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/* Quicktime muxer plugin for GStreamer
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* Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
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* Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Unless otherwise indicated, Source Code is licensed under MIT license.
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* See further explanation attached in License Statement (distributed in the file
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* LICENSE).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* SECTION:gstqtmux
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* @short_description: Muxer for quicktime(.mov) files
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*
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* <refsect2>
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* <para>
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* This element merges streams (audio and video) into qt(.mov) files.
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* </para>
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* <title>Example pipelines</title>
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* <para>
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* <programlisting>
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* gst-launch v4l2src num-buffers=500 ! video/x-raw-yuv,width=320,height=240 ! ffmpegcolorspace ! qtmux ! filesink location=video.mov
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* </programlisting>
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* Records a video stream captured from a v4l2 device and muxes it into a qt file.
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* </para>
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* </refsect2>
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*
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* Last reviewed on 2008-08-27
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*/
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/*
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* Based on avimux
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib/gstdio.h>
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads.h>
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#include <sys/types.h>
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#ifdef G_OS_WIN32
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#include <io.h> /* lseek, open, close, read */
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#undef lseek
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#define lseek _lseeki64
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#undef off_t
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#define off_t guint64
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "gstqtmux.h"
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GST_DEBUG_CATEGORY_STATIC (gst_qt_mux_debug);
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#define GST_CAT_DEFAULT gst_qt_mux_debug
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/* QTMux signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_LARGE_FILE,
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PROP_MOVIE_TIMESCALE,
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PROP_DO_CTTS,
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PROP_FLAVOR,
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PROP_FAST_START,
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PROP_FAST_START_TEMP_FILE
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};
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/* some spare for header size as well */
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#define MDAT_LARGE_FILE_LIMIT ((guint64) 1024 * 1024 * 1024 * 2)
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#define DEFAULT_LARGE_FILE FALSE
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#define DEFAULT_MOVIE_TIMESCALE 1000
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#define DEFAULT_DO_CTTS FALSE
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#define DEFAULT_FAST_START FALSE
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#define DEFAULT_FAST_START_TEMP_FILE NULL
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static void gst_qt_mux_finalize (GObject * object);
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static GstStateChangeReturn gst_qt_mux_change_state (GstElement * element,
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GstStateChange transition);
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/* property functions */
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static void gst_qt_mux_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_qt_mux_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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/* pad functions */
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static GstPad *gst_qt_mux_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name);
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static void gst_qt_mux_release_pad (GstElement * element, GstPad * pad);
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/* event */
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static gboolean gst_qt_mux_sink_event (GstPad * pad, GstEvent * event);
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static GstFlowReturn gst_qt_mux_collected (GstCollectPads * pads,
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gpointer user_data);
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static GstFlowReturn gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad,
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GstBuffer * buf);
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static GstElementClass *parent_class = NULL;
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static void
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gst_qt_mux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GstQTMuxClass *klass = (GstQTMuxClass *) g_class;
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GstQTMuxClassParams *params;
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GstElementDetails details;
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GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
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params =
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(GstQTMuxClassParams *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
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GST_QT_MUX_PARAMS_QDATA);
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g_assert (params != NULL);
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/* construct the element details struct */
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details.longname = g_strdup_printf ("%s Muxer", params->prop->long_name);
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details.klass = g_strdup ("Codec/Muxer");
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details.description =
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g_strdup_printf ("Multiplex audio and video into a %s file",
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params->prop->long_name);
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details.author = "Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>";
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gst_element_class_set_details (element_class, &details);
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g_free (details.longname);
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g_free (details.klass);
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g_free (details.description);
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/* pad templates */
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srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
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GST_PAD_ALWAYS, params->src_caps);
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gst_element_class_add_pad_template (element_class, srctempl);
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if (params->audio_sink_caps) {
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audiosinktempl = gst_pad_template_new ("audio_%d",
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GST_PAD_SINK, GST_PAD_REQUEST, params->audio_sink_caps);
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gst_element_class_add_pad_template (element_class, audiosinktempl);
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}
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if (params->video_sink_caps) {
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videosinktempl = gst_pad_template_new ("video_%d",
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GST_PAD_SINK, GST_PAD_REQUEST, params->video_sink_caps);
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gst_element_class_add_pad_template (element_class, videosinktempl);
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}
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klass->format = params->prop->format;
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}
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static void
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gst_qt_mux_class_init (GstQTMuxClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = gst_qt_mux_finalize;
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gobject_class->get_property = gst_qt_mux_get_property;
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gobject_class->set_property = gst_qt_mux_set_property;
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g_object_class_install_property (gobject_class, PROP_LARGE_FILE,
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g_param_spec_boolean ("large-file", "Support for large files",
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"Uses 64bits to some fields instead of 32bits, "
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"providing support for large files",
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DEFAULT_LARGE_FILE, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_MOVIE_TIMESCALE,
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g_param_spec_uint ("movie-timescale", "Movie timescale",
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"Timescale to use in the movie (units per second)",
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1, G_MAXUINT32, DEFAULT_MOVIE_TIMESCALE,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_DO_CTTS,
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g_param_spec_boolean ("presentation-time",
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"Include presentation-time info",
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"Calculate and include presentation/composition time (in addition to decoding time)"
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" (use with caution)", DEFAULT_DO_CTTS,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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g_object_class_install_property (gobject_class, PROP_FAST_START,
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g_param_spec_boolean ("faststart", "Format file to faststart",
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"If the file should be formated for faststart (headers first). ",
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DEFAULT_FAST_START, G_PARAM_READWRITE));
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g_object_class_install_property (gobject_class, PROP_FAST_START_TEMP_FILE,
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g_param_spec_string ("faststart-file", "File to use for storing buffers",
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"File that will be used temporarily to store data from the stream when "
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"creating a faststart file. If null a filepath will be created automatically",
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DEFAULT_FAST_START_TEMP_FILE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
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gstelement_class->request_new_pad =
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GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad);
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gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_qt_mux_change_state);
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gstelement_class->release_pad = GST_DEBUG_FUNCPTR (gst_qt_mux_release_pad);
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}
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static void
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gst_qt_mux_pad_reset (GstQTPad * qtpad)
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{
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qtpad->fourcc = 0;
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qtpad->is_out_of_order = FALSE;
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qtpad->have_dts = FALSE;
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qtpad->sample_size = 0;
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qtpad->sync = FALSE;
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qtpad->last_dts = 0;
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if (qtpad->last_buf)
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gst_buffer_replace (&qtpad->last_buf, NULL);
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/* reference owned elsewhere */
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qtpad->trak = NULL;
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}
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/*
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* Takes GstQTMux back to its initial state
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*/
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static void
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gst_qt_mux_reset (GstQTMux * qtmux, gboolean alloc)
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{
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GSList *walk;
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qtmux->state = GST_QT_MUX_STATE_NONE;
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qtmux->header_size = 0;
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qtmux->mdat_size = 0;
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qtmux->mdat_pos = 0;
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qtmux->longest_chunk = GST_CLOCK_TIME_NONE;
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if (qtmux->ftyp) {
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atom_ftyp_free (qtmux->ftyp);
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qtmux->ftyp = NULL;
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}
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if (qtmux->moov) {
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atom_moov_free (qtmux->moov);
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qtmux->moov = NULL;
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}
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if (qtmux->fast_start_file) {
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fclose (qtmux->fast_start_file);
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qtmux->fast_start_file = NULL;
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}
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gst_tag_setter_reset_tags (GST_TAG_SETTER (qtmux));
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/* reset pad data */
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for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
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GstQTPad *qtpad = (GstQTPad *) walk->data;
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gst_qt_mux_pad_reset (qtpad);
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/* hm, moov_free above yanked the traks away from us,
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* so do not free, but do clear */
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qtpad->trak = NULL;
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}
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if (alloc) {
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qtmux->moov = atom_moov_new (qtmux->context);
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/* ensure all is as nice and fresh as request_new_pad would provide it */
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for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
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GstQTPad *qtpad = (GstQTPad *) walk->data;
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qtpad->trak = atom_trak_new (qtmux->context);
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atom_moov_add_trak (qtmux->moov, qtpad->trak);
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}
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}
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}
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static void
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gst_qt_mux_init (GstQTMux * qtmux, GstQTMuxClass * qtmux_klass)
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{
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GstElementClass *klass = GST_ELEMENT_CLASS (qtmux_klass);
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GstPadTemplate *templ;
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GstCaps *caps;
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315 |
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templ = gst_element_class_get_pad_template (klass, "src");
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qtmux->srcpad = gst_pad_new_from_template (templ, "src");
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caps = gst_caps_copy (gst_pad_get_pad_template_caps (qtmux->srcpad));
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gst_pad_set_caps (qtmux->srcpad, caps);
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gst_caps_unref (caps);
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gst_pad_use_fixed_caps (qtmux->srcpad);
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gst_element_add_pad (GST_ELEMENT (qtmux), qtmux->srcpad);
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323 |
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qtmux->collect = gst_collect_pads_new ();
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gst_collect_pads_set_function (qtmux->collect,
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(GstCollectPadsFunction) GST_DEBUG_FUNCPTR (gst_qt_mux_collected), qtmux);
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327 |
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/* properties set to default upon construction */
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329 |
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/* always need this */
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qtmux->context =
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atoms_context_new (gst_qt_mux_map_format_to_flavor (qtmux_klass->format));
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333 |
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/* internals to initial state */
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gst_qt_mux_reset (qtmux, TRUE);
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}
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337 |
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338 |
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static void
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gst_qt_mux_finalize (GObject * object)
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{
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GstQTMux *qtmux = GST_QT_MUX_CAST (object);
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343 |
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gst_qt_mux_reset (qtmux, FALSE);
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345 |
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if (qtmux->fast_start_file_path)
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g_free (qtmux->fast_start_file_path);
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348 |
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atoms_context_free (qtmux->context);
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gst_object_unref (qtmux->collect);
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351 |
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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354 |
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355 |
static void
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356 |
gst_qt_mux_add_mp4_tag (GstQTMux * qtmux, const GstTagList * list,
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357 |
const char *tag, const char *tag2, guint32 fourcc)
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358 |
{
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359 |
switch (gst_tag_get_type (tag)) {
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/* strings */
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361 |
case G_TYPE_STRING:
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362 |
{
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363 |
gchar *str = NULL;
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364 |
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365 |
if (!gst_tag_list_get_string (list, tag, &str) || !str)
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366 |
break;
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367 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
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368 |
GST_FOURCC_ARGS (fourcc), str);
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369 |
atom_moov_add_str_tag (qtmux->moov, fourcc, str);
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370 |
g_free (str);
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|
371 |
break;
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372 |
}
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|
373 |
/* double */
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374 |
case G_TYPE_DOUBLE:
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|
375 |
{
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376 |
gdouble value;
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|
377 |
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|
378 |
if (!gst_tag_list_get_double (list, tag, &value))
|
|
379 |
break;
|
|
380 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u",
|
|
381 |
GST_FOURCC_ARGS (fourcc), (gint) value);
|
|
382 |
atom_moov_add_uint_tag (qtmux->moov, fourcc, 21, (gint) value);
|
|
383 |
break;
|
|
384 |
}
|
|
385 |
/* paired unsigned integers */
|
|
386 |
case G_TYPE_UINT:
|
|
387 |
{
|
|
388 |
guint value;
|
|
389 |
guint count;
|
|
390 |
|
|
391 |
if (!gst_tag_list_get_uint (list, tag, &value) ||
|
|
392 |
!gst_tag_list_get_uint (list, tag2, &count))
|
|
393 |
break;
|
|
394 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u/%u",
|
|
395 |
GST_FOURCC_ARGS (fourcc), value, count);
|
|
396 |
atom_moov_add_uint_tag (qtmux->moov, fourcc, 0,
|
|
397 |
value << 16 | (count & 0xFFFF));
|
|
398 |
break;
|
|
399 |
}
|
|
400 |
default:
|
|
401 |
g_assert_not_reached ();
|
|
402 |
break;
|
|
403 |
}
|
|
404 |
}
|
|
405 |
|
|
406 |
static void
|
|
407 |
gst_qt_mux_add_mp4_date (GstQTMux * qtmux, const GstTagList * list,
|
|
408 |
const char *tag, const char *tag2, guint32 fourcc)
|
|
409 |
{
|
|
410 |
GDate *date = NULL;
|
|
411 |
GDateYear year;
|
|
412 |
GDateMonth month;
|
|
413 |
GDateDay day;
|
|
414 |
gchar *str;
|
|
415 |
|
|
416 |
g_return_if_fail (gst_tag_get_type (tag) == GST_TYPE_DATE);
|
|
417 |
|
|
418 |
if (!gst_tag_list_get_date (list, tag, &date) || !date)
|
|
419 |
return;
|
|
420 |
|
|
421 |
year = g_date_get_year (date);
|
|
422 |
month = g_date_get_month (date);
|
|
423 |
day = g_date_get_day (date);
|
|
424 |
|
|
425 |
if (year == G_DATE_BAD_YEAR && month == G_DATE_BAD_MONTH &&
|
|
426 |
day == G_DATE_BAD_DAY) {
|
|
427 |
GST_WARNING_OBJECT (qtmux, "invalid date in tag");
|
|
428 |
return;
|
|
429 |
}
|
|
430 |
|
|
431 |
str = g_strdup_printf ("%u-%u-%u", year, month, day);
|
|
432 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
433 |
GST_FOURCC_ARGS (fourcc), str);
|
|
434 |
atom_moov_add_str_tag (qtmux->moov, fourcc, str);
|
|
435 |
}
|
|
436 |
|
|
437 |
static void
|
|
438 |
gst_qt_mux_add_mp4_cover (GstQTMux * qtmux, const GstTagList * list,
|
|
439 |
const char *tag, const char *tag2, guint32 fourcc)
|
|
440 |
{
|
|
441 |
GValue value = { 0, };
|
|
442 |
GstBuffer *buf;
|
|
443 |
GstCaps *caps;
|
|
444 |
GstStructure *structure;
|
|
445 |
gint flags = 0;
|
|
446 |
|
|
447 |
g_return_if_fail (gst_tag_get_type (tag) == GST_TYPE_BUFFER);
|
|
448 |
|
|
449 |
if (!gst_tag_list_copy_value (&value, list, tag))
|
|
450 |
return;
|
|
451 |
|
|
452 |
buf = gst_value_get_buffer (&value);
|
|
453 |
if (!buf)
|
|
454 |
goto done;
|
|
455 |
|
|
456 |
caps = gst_buffer_get_caps (buf);
|
|
457 |
if (!caps) {
|
|
458 |
GST_WARNING_OBJECT (qtmux, "preview image without caps");
|
|
459 |
goto done;
|
|
460 |
}
|
|
461 |
|
|
462 |
GST_DEBUG_OBJECT (qtmux, "preview image caps %" GST_PTR_FORMAT, caps);
|
|
463 |
|
|
464 |
structure = gst_caps_get_structure (caps, 0);
|
|
465 |
if (gst_structure_has_name (structure, "image/jpeg"))
|
|
466 |
flags = 13;
|
|
467 |
else if (gst_structure_has_name (structure, "image/png"))
|
|
468 |
flags = 14;
|
|
469 |
gst_caps_unref (caps);
|
|
470 |
|
|
471 |
if (!flags) {
|
|
472 |
GST_WARNING_OBJECT (qtmux, "preview image format not supported");
|
|
473 |
goto done;
|
|
474 |
}
|
|
475 |
|
|
476 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT
|
|
477 |
" -> image size %d", GST_FOURCC_ARGS (fourcc), GST_BUFFER_SIZE (buf));
|
|
478 |
atom_moov_add_tag (qtmux->moov, fourcc, flags, GST_BUFFER_DATA (buf),
|
|
479 |
GST_BUFFER_SIZE (buf));
|
|
480 |
done:
|
|
481 |
g_value_unset (&value);
|
|
482 |
}
|
|
483 |
|
|
484 |
static void
|
|
485 |
gst_qt_mux_add_3gp_str (GstQTMux * qtmux, const GstTagList * list,
|
|
486 |
const char *tag, const char *tag2, guint32 fourcc)
|
|
487 |
{
|
|
488 |
gchar *str = NULL;
|
|
489 |
guint number;
|
|
490 |
|
|
491 |
g_return_if_fail (gst_tag_get_type (tag) == G_TYPE_STRING);
|
|
492 |
g_return_if_fail (!tag2 || gst_tag_get_type (tag2) == G_TYPE_UINT);
|
|
493 |
|
|
494 |
if (!gst_tag_list_get_string (list, tag, &str) || !str)
|
|
495 |
return;
|
|
496 |
|
|
497 |
if (tag2)
|
|
498 |
if (!gst_tag_list_get_uint (list, tag2, &number))
|
|
499 |
tag2 = NULL;
|
|
500 |
|
|
501 |
if (!tag2) {
|
|
502 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
503 |
GST_FOURCC_ARGS (fourcc), str);
|
|
504 |
atom_moov_add_3gp_str_tag (qtmux->moov, fourcc, str);
|
|
505 |
} else {
|
|
506 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s/%d",
|
|
507 |
GST_FOURCC_ARGS (fourcc), str, number);
|
|
508 |
atom_moov_add_3gp_str_int_tag (qtmux->moov, fourcc, str, number);
|
|
509 |
}
|
|
510 |
|
|
511 |
g_free (str);
|
|
512 |
}
|
|
513 |
|
|
514 |
static void
|
|
515 |
gst_qt_mux_add_3gp_date (GstQTMux * qtmux, const GstTagList * list,
|
|
516 |
const char *tag, const char *tag2, guint32 fourcc)
|
|
517 |
{
|
|
518 |
GDate *date = NULL;
|
|
519 |
GDateYear year;
|
|
520 |
|
|
521 |
g_return_if_fail (gst_tag_get_type (tag) == GST_TYPE_DATE);
|
|
522 |
|
|
523 |
if (!gst_tag_list_get_date (list, tag, &date) || !date)
|
|
524 |
return;
|
|
525 |
|
|
526 |
year = g_date_get_year (date);
|
|
527 |
|
|
528 |
if (year == G_DATE_BAD_YEAR) {
|
|
529 |
GST_WARNING_OBJECT (qtmux, "invalid date in tag");
|
|
530 |
return;
|
|
531 |
}
|
|
532 |
|
|
533 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %d",
|
|
534 |
GST_FOURCC_ARGS (fourcc), year);
|
|
535 |
atom_moov_add_3gp_uint_tag (qtmux->moov, fourcc, year);
|
|
536 |
}
|
|
537 |
|
|
538 |
static void
|
|
539 |
gst_qt_mux_add_3gp_location (GstQTMux * qtmux, const GstTagList * list,
|
|
540 |
const char *tag, const char *tag2, guint32 fourcc)
|
|
541 |
{
|
|
542 |
gdouble latitude = -360, longitude = -360, altitude = 0;
|
|
543 |
gchar *location = NULL;
|
|
544 |
guint8 *data, *ddata;
|
|
545 |
gint size = 0, len = 0;
|
|
546 |
gboolean ret = FALSE;
|
|
547 |
|
|
548 |
g_return_if_fail (strcmp (tag, GST_TAG_GEO_LOCATION_NAME) == 0);
|
|
549 |
|
|
550 |
ret = gst_tag_list_get_string (list, tag, &location);
|
|
551 |
ret |= gst_tag_list_get_double (list, GST_TAG_GEO_LOCATION_LONGITUDE,
|
|
552 |
&longitude);
|
|
553 |
ret |= gst_tag_list_get_double (list, GST_TAG_GEO_LOCATION_LATITUDE,
|
|
554 |
&latitude);
|
|
555 |
ret |= gst_tag_list_get_double (list, GST_TAG_GEO_LOCATION_ELEVATION,
|
|
556 |
&altitude);
|
|
557 |
|
|
558 |
if (!ret)
|
|
559 |
return;
|
|
560 |
|
|
561 |
if (location)
|
|
562 |
len = strlen (location);
|
|
563 |
size += len + 1 + 2;
|
|
564 |
|
|
565 |
/* role + (long, lat, alt) + body + notes */
|
|
566 |
size += 1 + 3 * 4 + 1 + 1;
|
|
567 |
|
|
568 |
data = ddata = g_malloc (size);
|
|
569 |
|
|
570 |
/* language tag */
|
|
571 |
GST_WRITE_UINT16_BE (data, language_code (GST_QT_MUX_DEFAULT_TAG_LANGUAGE));
|
|
572 |
/* location */
|
|
573 |
if (location)
|
|
574 |
memcpy (data + 2, location, len);
|
|
575 |
GST_WRITE_UINT8 (data + 2 + len, 0);
|
|
576 |
data += len + 1 + 2;
|
|
577 |
/* role */
|
|
578 |
GST_WRITE_UINT8 (data, 0);
|
|
579 |
/* long, lat, alt */
|
|
580 |
GST_WRITE_UINT32_BE (data + 1, (guint32) (longitude * 65536.0));
|
|
581 |
GST_WRITE_UINT32_BE (data + 5, (guint32) (latitude * 65536.0));
|
|
582 |
GST_WRITE_UINT32_BE (data + 9, (guint32) (altitude * 65536.0));
|
|
583 |
/* neither astronomical body nor notes */
|
|
584 |
GST_WRITE_UINT16_BE (data + 13, 0);
|
|
585 |
|
|
586 |
GST_DEBUG_OBJECT (qtmux, "Adding tag 'loci'");
|
|
587 |
atom_moov_add_3gp_tag (qtmux->moov, fourcc, ddata, size);
|
|
588 |
g_free (ddata);
|
|
589 |
}
|
|
590 |
|
|
591 |
static void
|
|
592 |
gst_qt_mux_add_3gp_keywords (GstQTMux * qtmux, const GstTagList * list,
|
|
593 |
const char *tag, const char *tag2, guint32 fourcc)
|
|
594 |
{
|
|
595 |
gchar *keywords = NULL;
|
|
596 |
guint8 *data, *ddata;
|
|
597 |
gint size = 0, i;
|
|
598 |
gchar **kwds;
|
|
599 |
|
|
600 |
g_return_if_fail (strcmp (tag, GST_TAG_KEYWORDS) == 0);
|
|
601 |
|
|
602 |
if (!gst_tag_list_get_string (list, tag, &keywords) || !keywords)
|
|
603 |
return;
|
|
604 |
|
|
605 |
kwds = g_strsplit (keywords, ",", 0);
|
|
606 |
|
|
607 |
size = 0;
|
|
608 |
for (i = 0; kwds[i]; i++) {
|
|
609 |
/* size byte + null-terminator */
|
|
610 |
size += strlen (kwds[i]) + 1 + 1;
|
|
611 |
}
|
|
612 |
|
|
613 |
/* language tag + count + keywords */
|
|
614 |
size += 2 + 1;
|
|
615 |
|
|
616 |
data = ddata = g_malloc (size);
|
|
617 |
|
|
618 |
/* language tag */
|
|
619 |
GST_WRITE_UINT16_BE (data, language_code (GST_QT_MUX_DEFAULT_TAG_LANGUAGE));
|
|
620 |
/* count */
|
|
621 |
GST_WRITE_UINT8 (data + 2, i);
|
|
622 |
data += 3;
|
|
623 |
/* keywords */
|
|
624 |
for (i = 0; kwds[i]; ++i) {
|
|
625 |
gint len = strlen (kwds[i]);
|
|
626 |
|
|
627 |
GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
|
|
628 |
GST_FOURCC_ARGS (fourcc), kwds[i]);
|
|
629 |
/* size */
|
|
630 |
GST_WRITE_UINT8 (data, len + 1);
|
|
631 |
memcpy (data + 1, kwds[i], len + 1);
|
|
632 |
data += len + 2;
|
|
633 |
}
|
|
634 |
|
|
635 |
g_strfreev (kwds);
|
|
636 |
|
|
637 |
atom_moov_add_3gp_tag (qtmux->moov, fourcc, ddata, size);
|
|
638 |
g_free (ddata);
|
|
639 |
}
|
|
640 |
|
|
641 |
|
|
642 |
typedef void (*GstQTMuxAddTagFunc) (GstQTMux * mux, const GstTagList * list,
|
|
643 |
const char *tag, const char *tag2, guint32 fourcc);
|
|
644 |
|
|
645 |
/*
|
|
646 |
* Struct to record mappings from gstreamer tags to fourcc codes
|
|
647 |
*/
|
|
648 |
typedef struct _GstTagToFourcc
|
|
649 |
{
|
|
650 |
guint32 fourcc;
|
|
651 |
const gchar *gsttag;
|
|
652 |
const gchar *gsttag2;
|
|
653 |
const GstQTMuxAddTagFunc func;
|
|
654 |
} GstTagToFourcc;
|
|
655 |
|
|
656 |
/* tag list tags to fourcc matching */
|
|
657 |
static const GstTagToFourcc tag_matches_mp4[] = {
|
|
658 |
{FOURCC__alb, GST_TAG_ALBUM, NULL, gst_qt_mux_add_mp4_tag},
|
|
659 |
{FOURCC__ART, GST_TAG_ARTIST, NULL, gst_qt_mux_add_mp4_tag},
|
|
660 |
{FOURCC__cmt, GST_TAG_COMMENT, NULL, gst_qt_mux_add_mp4_tag},
|
|
661 |
{FOURCC__wrt, GST_TAG_COMPOSER, NULL, gst_qt_mux_add_mp4_tag},
|
|
662 |
{FOURCC__gen, GST_TAG_GENRE, NULL, gst_qt_mux_add_mp4_tag},
|
|
663 |
{FOURCC__nam, GST_TAG_TITLE, NULL, gst_qt_mux_add_mp4_tag},
|
|
664 |
{FOURCC__des, GST_TAG_DESCRIPTION, NULL, gst_qt_mux_add_mp4_tag},
|
|
665 |
{FOURCC__too, GST_TAG_ENCODER, NULL, gst_qt_mux_add_mp4_tag},
|
|
666 |
{FOURCC_cprt, GST_TAG_COPYRIGHT, NULL, gst_qt_mux_add_mp4_tag},
|
|
667 |
{FOURCC_keyw, GST_TAG_KEYWORDS, NULL, gst_qt_mux_add_mp4_tag},
|
|
668 |
{FOURCC__day, GST_TAG_DATE, NULL, gst_qt_mux_add_mp4_date},
|
|
669 |
{FOURCC_tmpo, GST_TAG_BEATS_PER_MINUTE, NULL, gst_qt_mux_add_mp4_tag},
|
|
670 |
{FOURCC_trkn, GST_TAG_TRACK_NUMBER, GST_TAG_TRACK_COUNT,
|
|
671 |
gst_qt_mux_add_mp4_tag},
|
|
672 |
{FOURCC_disk, GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT,
|
|
673 |
gst_qt_mux_add_mp4_tag},
|
|
674 |
{FOURCC_covr, GST_TAG_PREVIEW_IMAGE, NULL, gst_qt_mux_add_mp4_cover},
|
|
675 |
{0, NULL,}
|
|
676 |
};
|
|
677 |
|
|
678 |
static const GstTagToFourcc tag_matches_3gp[] = {
|
|
679 |
{FOURCC_titl, GST_TAG_TITLE, NULL, gst_qt_mux_add_3gp_str},
|
|
680 |
{FOURCC_dscp, GST_TAG_DESCRIPTION, NULL, gst_qt_mux_add_3gp_str},
|
|
681 |
{FOURCC_cprt, GST_TAG_COPYRIGHT, NULL, gst_qt_mux_add_3gp_str},
|
|
682 |
{FOURCC_perf, GST_TAG_ARTIST, NULL, gst_qt_mux_add_3gp_str},
|
|
683 |
{FOURCC_auth, GST_TAG_COMPOSER, NULL, gst_qt_mux_add_3gp_str},
|
|
684 |
{FOURCC_gnre, GST_TAG_GENRE, NULL, gst_qt_mux_add_3gp_str},
|
|
685 |
{FOURCC_kywd, GST_TAG_KEYWORDS, NULL, gst_qt_mux_add_3gp_keywords},
|
|
686 |
{FOURCC_yrrc, GST_TAG_DATE, NULL, gst_qt_mux_add_3gp_date},
|
|
687 |
{FOURCC_albm, GST_TAG_ALBUM, GST_TAG_TRACK_NUMBER, gst_qt_mux_add_3gp_str},
|
|
688 |
{FOURCC_loci, GST_TAG_GEO_LOCATION_NAME, NULL, gst_qt_mux_add_3gp_location},
|
|
689 |
{0, NULL,}
|
|
690 |
};
|
|
691 |
|
|
692 |
/* qtdemux produces these for atoms it cannot parse */
|
|
693 |
#define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
|
|
694 |
|
|
695 |
static void
|
|
696 |
gst_qt_mux_add_metadata_tags (GstQTMux * qtmux, const GstTagList * list)
|
|
697 |
{
|
|
698 |
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
699 |
guint32 fourcc;
|
|
700 |
gint i;
|
|
701 |
const gchar *tag, *tag2;
|
|
702 |
const GstTagToFourcc *tag_matches;
|
|
703 |
|
|
704 |
switch (qtmux_klass->format) {
|
|
705 |
case GST_QT_MUX_FORMAT_3GP:
|
|
706 |
tag_matches = tag_matches_3gp;
|
|
707 |
break;
|
|
708 |
case GST_QT_MUX_FORMAT_MJ2:
|
|
709 |
tag_matches = NULL;
|
|
710 |
break;
|
|
711 |
default:
|
|
712 |
/* sort of iTunes style for mp4 and QT (?) */
|
|
713 |
tag_matches = tag_matches_mp4;
|
|
714 |
break;
|
|
715 |
}
|
|
716 |
|
|
717 |
if (!tag_matches)
|
|
718 |
return;
|
|
719 |
|
|
720 |
for (i = 0; tag_matches[i].fourcc; i++) {
|
|
721 |
fourcc = tag_matches[i].fourcc;
|
|
722 |
tag = tag_matches[i].gsttag;
|
|
723 |
tag2 = tag_matches[i].gsttag2;
|
|
724 |
|
|
725 |
g_assert (tag_matches[i].func);
|
|
726 |
tag_matches[i].func (qtmux, list, tag, tag2, fourcc);
|
|
727 |
}
|
|
728 |
|
|
729 |
/* add unparsed blobs if present */
|
|
730 |
if (gst_tag_exists (GST_QT_DEMUX_PRIVATE_TAG)) {
|
|
731 |
guint num_tags;
|
|
732 |
|
|
733 |
num_tags = gst_tag_list_get_tag_size (list, GST_QT_DEMUX_PRIVATE_TAG);
|
|
734 |
for (i = 0; i < num_tags; ++i) {
|
|
735 |
const GValue *val;
|
|
736 |
GstBuffer *buf;
|
|
737 |
GstCaps *caps = NULL;
|
|
738 |
|
|
739 |
val = gst_tag_list_get_value_index (list, GST_QT_DEMUX_PRIVATE_TAG, i);
|
|
740 |
buf = (GstBuffer *) gst_value_get_mini_object (val);
|
|
741 |
|
|
742 |
if (buf && (caps = gst_buffer_get_caps (buf))) {
|
|
743 |
GstStructure *s;
|
|
744 |
const gchar *style = NULL;
|
|
745 |
|
|
746 |
GST_DEBUG_OBJECT (qtmux, "Found private tag %d/%d; size %d, caps %"
|
|
747 |
GST_PTR_FORMAT, i, num_tags, GST_BUFFER_SIZE (buf), caps);
|
|
748 |
s = gst_caps_get_structure (caps, 0);
|
|
749 |
if (s && (style = gst_structure_get_string (s, "style"))) {
|
|
750 |
/* try to prevent some style tag ending up into another variant
|
|
751 |
* (todo: make into a list if more cases) */
|
|
752 |
if ((strcmp (style, "itunes") == 0 &&
|
|
753 |
qtmux_klass->format == GST_QT_MUX_FORMAT_MP4) ||
|
|
754 |
(strcmp (style, "iso") == 0 &&
|
|
755 |
qtmux_klass->format == GST_QT_MUX_FORMAT_3GP)) {
|
|
756 |
GST_DEBUG_OBJECT (qtmux, "Adding private tag");
|
|
757 |
atom_moov_add_blob_tag (qtmux->moov, GST_BUFFER_DATA (buf),
|
|
758 |
GST_BUFFER_SIZE (buf));
|
|
759 |
}
|
|
760 |
}
|
|
761 |
gst_caps_unref (caps);
|
|
762 |
}
|
|
763 |
}
|
|
764 |
}
|
|
765 |
|
|
766 |
return;
|
|
767 |
}
|
|
768 |
|
|
769 |
/*
|
|
770 |
* Gets the tagsetter iface taglist and puts the known tags
|
|
771 |
* into the output stream
|
|
772 |
*/
|
|
773 |
static void
|
|
774 |
gst_qt_mux_setup_metadata (GstQTMux * qtmux)
|
|
775 |
{
|
|
776 |
const GstTagList *tags;
|
|
777 |
|
|
778 |
tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (qtmux));
|
|
779 |
|
|
780 |
GST_LOG_OBJECT (qtmux, "tags: %" GST_PTR_FORMAT, tags);
|
|
781 |
|
|
782 |
if (tags && !gst_tag_list_is_empty (tags)) {
|
|
783 |
GST_DEBUG_OBJECT (qtmux, "Formatting tags");
|
|
784 |
gst_qt_mux_add_metadata_tags (qtmux, tags);
|
|
785 |
} else {
|
|
786 |
GST_DEBUG_OBJECT (qtmux, "No tags received");
|
|
787 |
}
|
|
788 |
}
|
|
789 |
|
|
790 |
static GstFlowReturn
|
|
791 |
gst_qt_mux_send_buffer (GstQTMux * qtmux, GstBuffer * buf, guint64 * offset,
|
|
792 |
gboolean mind_fast)
|
|
793 |
{
|
|
794 |
GstFlowReturn res;
|
|
795 |
guint8 *data;
|
|
796 |
guint size;
|
|
797 |
|
|
798 |
g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
|
|
799 |
|
|
800 |
data = GST_BUFFER_DATA (buf);
|
|
801 |
size = GST_BUFFER_SIZE (buf);
|
|
802 |
|
|
803 |
GST_LOG_OBJECT (qtmux, "sending buffer size %d", size);
|
|
804 |
|
|
805 |
if (mind_fast && qtmux->fast_start_file) {
|
|
806 |
gint ret;
|
|
807 |
|
|
808 |
GST_LOG_OBJECT (qtmux, "to temporary file");
|
|
809 |
ret = fwrite (data, sizeof (guint8), size, qtmux->fast_start_file);
|
|
810 |
gst_buffer_unref (buf);
|
|
811 |
if (ret != size)
|
|
812 |
goto write_error;
|
|
813 |
else
|
|
814 |
res = GST_FLOW_OK;
|
|
815 |
} else {
|
|
816 |
GST_LOG_OBJECT (qtmux, "downstream");
|
|
817 |
|
|
818 |
gst_buffer_set_caps (buf, GST_PAD_CAPS (qtmux->srcpad));
|
|
819 |
res = gst_pad_push (qtmux->srcpad, buf);
|
|
820 |
}
|
|
821 |
|
|
822 |
if (G_LIKELY (offset))
|
|
823 |
*offset += size;
|
|
824 |
|
|
825 |
return res;
|
|
826 |
|
|
827 |
/* ERRORS */
|
|
828 |
write_error:
|
|
829 |
{
|
|
830 |
GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
|
|
831 |
("Failed to write to temporary file"), GST_ERROR_SYSTEM);
|
|
832 |
return GST_FLOW_ERROR;
|
|
833 |
}
|
|
834 |
}
|
|
835 |
|
|
836 |
static GstFlowReturn
|
|
837 |
gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
|
|
838 |
{
|
|
839 |
GstFlowReturn ret = GST_FLOW_OK;
|
|
840 |
GstBuffer *buf = NULL;
|
|
841 |
|
|
842 |
if (fflush (qtmux->fast_start_file))
|
|
843 |
goto flush_failed;
|
|
844 |
|
|
845 |
#ifdef HAVE_FSEEKO
|
|
846 |
if (fseeko (qtmux->fast_start_file, (off_t) 0, SEEK_SET) != 0)
|
|
847 |
goto seek_failed;
|
|
848 |
#elif defined (G_OS_UNIX) || defined (G_OS_WIN32)
|
|
849 |
if (lseek (fileno (qtmux->fast_start_file), (off_t) 0,
|
|
850 |
SEEK_SET) == (off_t) - 1)
|
|
851 |
goto seek_failed;
|
|
852 |
#else
|
|
853 |
if (fseek (qtmux->fast_start_file, (long) 0, SEEK_SET) != 0)
|
|
854 |
goto seek_failed;
|
|
855 |
#endif
|
|
856 |
|
|
857 |
/* hm, this could all take a really really long time,
|
|
858 |
* but there may not be another way to get moov atom first
|
|
859 |
* (somehow optimize copy?) */
|
|
860 |
GST_DEBUG_OBJECT (qtmux, "Sending buffered data");
|
|
861 |
while (ret == GST_FLOW_OK) {
|
|
862 |
gint r;
|
|
863 |
const int bufsize = 4096;
|
|
864 |
|
|
865 |
buf = gst_buffer_new_and_alloc (bufsize);
|
|
866 |
r = fread (GST_BUFFER_DATA (buf), sizeof (guint8), bufsize,
|
|
867 |
qtmux->fast_start_file);
|
|
868 |
if (r == 0)
|
|
869 |
break;
|
|
870 |
GST_BUFFER_SIZE (buf) = r;
|
|
871 |
GST_LOG_OBJECT (qtmux, "Pushing buffered buffer of size %d", r);
|
|
872 |
ret = gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
|
|
873 |
buf = NULL;
|
|
874 |
}
|
|
875 |
if (buf)
|
|
876 |
gst_buffer_unref (buf);
|
|
877 |
|
|
878 |
exit:
|
|
879 |
/* best cleaning up effort, eat possible error */
|
|
880 |
fclose (qtmux->fast_start_file);
|
|
881 |
qtmux->fast_start_file = NULL;
|
|
882 |
|
|
883 |
/* FIXME maybe delete temporary file, or let the system handle that ? */
|
|
884 |
|
|
885 |
return ret;
|
|
886 |
|
|
887 |
/* ERRORS */
|
|
888 |
flush_failed:
|
|
889 |
{
|
|
890 |
GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
|
|
891 |
("Failed to flush temporary file"), GST_ERROR_SYSTEM);
|
|
892 |
ret = GST_FLOW_ERROR;
|
|
893 |
goto exit;
|
|
894 |
}
|
|
895 |
seek_failed:
|
|
896 |
{
|
|
897 |
GST_ELEMENT_ERROR (qtmux, RESOURCE, SEEK,
|
|
898 |
("Failed to seek temporary file"), GST_ERROR_SYSTEM);
|
|
899 |
ret = GST_FLOW_ERROR;
|
|
900 |
goto exit;
|
|
901 |
}
|
|
902 |
}
|
|
903 |
|
|
904 |
/*
|
|
905 |
* Sends the initial mdat atom fields (size fields and fourcc type),
|
|
906 |
* the subsequent buffers are considered part of it's data.
|
|
907 |
* As we can't predict the amount of data that we are going to place in mdat
|
|
908 |
* we need to record the position of the size field in the stream so we can
|
|
909 |
* seek back to it later and update when the streams have finished.
|
|
910 |
*/
|
|
911 |
static GstFlowReturn
|
|
912 |
gst_qt_mux_send_mdat_header (GstQTMux * qtmux, guint64 * off, guint64 size,
|
|
913 |
gboolean extended)
|
|
914 |
{
|
|
915 |
Atom *node_header;
|
|
916 |
GstBuffer *buf;
|
|
917 |
guint8 *data = NULL;
|
|
918 |
guint64 offset = 0;
|
|
919 |
|
|
920 |
GST_DEBUG_OBJECT (qtmux, "Sending mdat's atom header, "
|
|
921 |
"size %" G_GUINT64_FORMAT, size);
|
|
922 |
|
|
923 |
node_header = g_malloc0 (sizeof (Atom));
|
|
924 |
node_header->type = FOURCC_mdat;
|
|
925 |
if (extended) {
|
|
926 |
/* use extended size */
|
|
927 |
node_header->size = 1;
|
|
928 |
node_header->extended_size = 0;
|
|
929 |
if (size)
|
|
930 |
node_header->extended_size = size + 16;
|
|
931 |
} else {
|
|
932 |
node_header->size = size + 8;
|
|
933 |
}
|
|
934 |
|
|
935 |
size = offset = 0;
|
|
936 |
if (atom_copy_data (node_header, &data, &size, &offset) == 0)
|
|
937 |
goto serialize_error;
|
|
938 |
|
|
939 |
buf = gst_buffer_new ();
|
|
940 |
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
|
|
941 |
GST_BUFFER_SIZE (buf) = offset;
|
|
942 |
|
|
943 |
g_free (node_header);
|
|
944 |
|
|
945 |
GST_LOG_OBJECT (qtmux, "Pushing mdat start");
|
|
946 |
return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
|
|
947 |
|
|
948 |
/* ERRORS */
|
|
949 |
serialize_error:
|
|
950 |
{
|
|
951 |
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
952 |
("Failed to serialize ftyp"));
|
|
953 |
return GST_FLOW_ERROR;
|
|
954 |
}
|
|
955 |
}
|
|
956 |
|
|
957 |
/*
|
|
958 |
* We get the position of the mdat size field, seek back to it
|
|
959 |
* and overwrite with the real value
|
|
960 |
*/
|
|
961 |
static GstFlowReturn
|
|
962 |
gst_qt_mux_update_mdat_size (GstQTMux * qtmux, guint64 mdat_pos,
|
|
963 |
guint64 mdat_size, guint64 * offset)
|
|
964 |
{
|
|
965 |
GstEvent *event;
|
|
966 |
GstBuffer *buf;
|
|
967 |
gboolean large_file;
|
|
968 |
|
|
969 |
large_file = (mdat_size > MDAT_LARGE_FILE_LIMIT);
|
|
970 |
|
|
971 |
if (large_file)
|
|
972 |
mdat_pos += 8;
|
|
973 |
|
|
974 |
/* seek and rewrite the header */
|
|
975 |
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
976 |
mdat_pos, GST_CLOCK_TIME_NONE, 0);
|
|
977 |
gst_pad_push_event (qtmux->srcpad, event);
|
|
978 |
|
|
979 |
if (large_file) {
|
|
980 |
buf = gst_buffer_new_and_alloc (sizeof (guint64));
|
|
981 |
GST_WRITE_UINT64_BE (GST_BUFFER_DATA (buf), mdat_size + 16);
|
|
982 |
} else {
|
|
983 |
guint8 *data;
|
|
984 |
|
|
985 |
buf = gst_buffer_new_and_alloc (16);
|
|
986 |
data = GST_BUFFER_DATA (buf);
|
|
987 |
GST_WRITE_UINT32_BE (data, 8);
|
|
988 |
GST_WRITE_UINT32_LE (data + 4, FOURCC_free);
|
|
989 |
GST_WRITE_UINT32_BE (data + 8, mdat_size + 8);
|
|
990 |
GST_WRITE_UINT32_LE (data + 12, FOURCC_mdat);
|
|
991 |
}
|
|
992 |
|
|
993 |
return gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
|
|
994 |
}
|
|
995 |
|
|
996 |
static GstFlowReturn
|
|
997 |
gst_qt_mux_send_ftyp (GstQTMux * qtmux, guint64 * off)
|
|
998 |
{
|
|
999 |
GstBuffer *buf;
|
|
1000 |
guint64 size = 0, offset = 0;
|
|
1001 |
guint8 *data = NULL;
|
|
1002 |
|
|
1003 |
GST_DEBUG_OBJECT (qtmux, "Sending ftyp atom");
|
|
1004 |
|
|
1005 |
if (!atom_ftyp_copy_data (qtmux->ftyp, &data, &size, &offset))
|
|
1006 |
goto serialize_error;
|
|
1007 |
|
|
1008 |
buf = gst_buffer_new ();
|
|
1009 |
GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
|
|
1010 |
GST_BUFFER_SIZE (buf) = offset;
|
|
1011 |
|
|
1012 |
GST_LOG_OBJECT (qtmux, "Pushing ftyp");
|
|
1013 |
return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
|
|
1014 |
|
|
1015 |
/* ERRORS */
|
|
1016 |
serialize_error:
|
|
1017 |
{
|
|
1018 |
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
1019 |
("Failed to serialize ftyp"));
|
|
1020 |
return GST_FLOW_ERROR;
|
|
1021 |
}
|
|
1022 |
}
|
|
1023 |
|
|
1024 |
static GstFlowReturn
|
|
1025 |
gst_qt_mux_prepare_and_send_ftyp (GstQTMux * qtmux)
|
|
1026 |
{
|
|
1027 |
GstFlowReturn ret = GST_FLOW_OK;
|
|
1028 |
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
1029 |
guint32 major, version;
|
|
1030 |
GList *comp;
|
|
1031 |
GstBuffer *prefix;
|
|
1032 |
|
|
1033 |
GST_DEBUG_OBJECT (qtmux, "Preparing to send ftyp atom");
|
|
1034 |
|
|
1035 |
/* init and send context and ftyp based on current property state */
|
|
1036 |
if (qtmux->ftyp)
|
|
1037 |
atom_ftyp_free (qtmux->ftyp);
|
|
1038 |
gst_qt_mux_map_format_to_header (qtmux_klass->format, &prefix, &major,
|
|
1039 |
&version, &comp, qtmux->moov, qtmux->longest_chunk,
|
|
1040 |
qtmux->fast_start_file != NULL);
|
|
1041 |
qtmux->ftyp = atom_ftyp_new (qtmux->context, major, version, comp);
|
|
1042 |
if (comp)
|
|
1043 |
g_list_free (comp);
|
|
1044 |
if (prefix) {
|
|
1045 |
ret = gst_qt_mux_send_buffer (qtmux, prefix, &qtmux->header_size, FALSE);
|
|
1046 |
if (ret != GST_FLOW_OK)
|
|
1047 |
return ret;
|
|
1048 |
}
|
|
1049 |
return gst_qt_mux_send_ftyp (qtmux, &qtmux->header_size);
|
|
1050 |
}
|
|
1051 |
|
|
1052 |
static GstFlowReturn
|
|
1053 |
gst_qt_mux_start_file (GstQTMux * qtmux)
|
|
1054 |
{
|
|
1055 |
GstFlowReturn ret = GST_FLOW_OK;
|
|
1056 |
|
|
1057 |
GST_DEBUG_OBJECT (qtmux, "starting file");
|
|
1058 |
|
|
1059 |
/* let downstream know we think in BYTES and expect to do seeking later on */
|
|
1060 |
gst_pad_push_event (qtmux->srcpad,
|
|
1061 |
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
|
|
1062 |
|
|
1063 |
/*
|
|
1064 |
* send mdat header if already needed, and mark position for later update.
|
|
1065 |
* We don't send ftyp now if we are on fast start mode, because we can
|
|
1066 |
* better fine tune using the information we gather to create the whole moov
|
|
1067 |
* atom.
|
|
1068 |
*/
|
|
1069 |
if (qtmux->fast_start) {
|
|
1070 |
GST_OBJECT_LOCK (qtmux);
|
|
1071 |
qtmux->fast_start_file = g_fopen (qtmux->fast_start_file_path, "wb+");
|
|
1072 |
if (!qtmux->fast_start_file)
|
|
1073 |
goto open_failed;
|
|
1074 |
GST_OBJECT_UNLOCK (qtmux);
|
|
1075 |
|
|
1076 |
/* send a dummy buffer for preroll */
|
|
1077 |
ret = gst_qt_mux_send_buffer (qtmux, gst_buffer_new (), NULL, FALSE);
|
|
1078 |
if (ret != GST_FLOW_OK)
|
|
1079 |
goto exit;
|
|
1080 |
|
|
1081 |
} else {
|
|
1082 |
ret = gst_qt_mux_prepare_and_send_ftyp (qtmux);
|
|
1083 |
if (ret != GST_FLOW_OK) {
|
|
1084 |
goto exit;
|
|
1085 |
}
|
|
1086 |
|
|
1087 |
/* extended to ensure some spare space */
|
|
1088 |
qtmux->mdat_pos = qtmux->header_size;
|
|
1089 |
ret = gst_qt_mux_send_mdat_header (qtmux, &qtmux->header_size, 0, TRUE);
|
|
1090 |
}
|
|
1091 |
|
|
1092 |
exit:
|
|
1093 |
return ret;
|
|
1094 |
|
|
1095 |
/* ERRORS */
|
|
1096 |
open_failed:
|
|
1097 |
{
|
|
1098 |
GST_ELEMENT_ERROR (qtmux, RESOURCE, OPEN_READ_WRITE,
|
|
1099 |
(("Could not open temporary file \"%s\""), qtmux->fast_start_file_path),
|
|
1100 |
GST_ERROR_SYSTEM);
|
|
1101 |
GST_OBJECT_UNLOCK (qtmux);
|
|
1102 |
return GST_FLOW_ERROR;
|
|
1103 |
}
|
|
1104 |
}
|
|
1105 |
|
|
1106 |
static GstFlowReturn
|
|
1107 |
gst_qt_mux_stop_file (GstQTMux * qtmux)
|
|
1108 |
{
|
|
1109 |
gboolean ret = GST_FLOW_OK;
|
|
1110 |
GstBuffer *buffer = NULL;
|
|
1111 |
guint64 offset = 0, size = 0;
|
|
1112 |
guint8 *data;
|
|
1113 |
GSList *walk;
|
|
1114 |
gboolean large_file;
|
|
1115 |
guint32 timescale;
|
|
1116 |
|
|
1117 |
GST_DEBUG_OBJECT (qtmux, "Updating remaining values and sending last data");
|
|
1118 |
|
|
1119 |
/* pushing last buffers for each pad */
|
|
1120 |
for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
|
|
1121 |
GstCollectData *cdata = (GstCollectData *) walk->data;
|
|
1122 |
GstQTPad *qtpad = (GstQTPad *) cdata;
|
|
1123 |
|
|
1124 |
/* send last buffer */
|
|
1125 |
GST_DEBUG_OBJECT (qtmux, "Sending the last buffer for pad %s",
|
|
1126 |
GST_PAD_NAME (qtpad->collect.pad));
|
|
1127 |
ret = gst_qt_mux_add_buffer (qtmux, qtpad, NULL);
|
|
1128 |
if (ret != GST_FLOW_OK)
|
|
1129 |
GST_WARNING_OBJECT (qtmux, "Failed to send last buffer for %s, "
|
|
1130 |
"flow return: %s", GST_PAD_NAME (qtpad->collect.pad),
|
|
1131 |
gst_flow_get_name (ret));
|
|
1132 |
}
|
|
1133 |
|
|
1134 |
GST_OBJECT_LOCK (qtmux);
|
|
1135 |
timescale = qtmux->timescale;
|
|
1136 |
large_file = qtmux->large_file;
|
|
1137 |
GST_OBJECT_UNLOCK (qtmux);
|
|
1138 |
|
|
1139 |
/* inform lower layers of our property wishes, and determine duration.
|
|
1140 |
* Let moov take care of this using its list of traks;
|
|
1141 |
* so that released pads are also included */
|
|
1142 |
GST_DEBUG_OBJECT (qtmux, "Large file support: %d", large_file);
|
|
1143 |
GST_DEBUG_OBJECT (qtmux, "Updating timescale to %" G_GUINT32_FORMAT,
|
|
1144 |
timescale);
|
|
1145 |
atom_moov_update_timescale (qtmux->moov, timescale);
|
|
1146 |
atom_moov_set_64bits (qtmux->moov, large_file);
|
|
1147 |
atom_moov_update_duration (qtmux->moov);
|
|
1148 |
|
|
1149 |
/* tags into file metadata */
|
|
1150 |
gst_qt_mux_setup_metadata (qtmux);
|
|
1151 |
|
|
1152 |
large_file = (qtmux->mdat_size > MDAT_LARGE_FILE_LIMIT);
|
|
1153 |
/* if faststart, update the offset of the atoms in the movie with the offset
|
|
1154 |
* that the movie headers before mdat will cause.
|
|
1155 |
* Also, send the ftyp */
|
|
1156 |
if (qtmux->fast_start_file) {
|
|
1157 |
GstFlowReturn flow_ret;
|
|
1158 |
offset = size = 0;
|
|
1159 |
|
|
1160 |
flow_ret = gst_qt_mux_prepare_and_send_ftyp (qtmux);
|
|
1161 |
if (flow_ret != GST_FLOW_OK) {
|
|
1162 |
goto ftyp_error;
|
|
1163 |
}
|
|
1164 |
/* copy into NULL to obtain size */
|
|
1165 |
if (!atom_moov_copy_data (qtmux->moov, NULL, &size, &offset))
|
|
1166 |
goto serialize_error;
|
|
1167 |
GST_DEBUG_OBJECT (qtmux, "calculated moov atom size %" G_GUINT64_FORMAT,
|
|
1168 |
size);
|
|
1169 |
offset += qtmux->header_size + (large_file ? 16 : 8);
|
|
1170 |
} else
|
|
1171 |
offset = qtmux->header_size;
|
|
1172 |
atom_moov_chunks_add_offset (qtmux->moov, offset);
|
|
1173 |
|
|
1174 |
/* serialize moov */
|
|
1175 |
offset = size = 0;
|
|
1176 |
data = NULL;
|
|
1177 |
GST_LOG_OBJECT (qtmux, "Copying movie header into buffer");
|
|
1178 |
ret = atom_moov_copy_data (qtmux->moov, &data, &size, &offset);
|
|
1179 |
if (!ret)
|
|
1180 |
goto serialize_error;
|
|
1181 |
|
|
1182 |
buffer = gst_buffer_new ();
|
|
1183 |
GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer) = data;
|
|
1184 |
GST_BUFFER_SIZE (buffer) = offset;
|
|
1185 |
/* note: as of this point, we no longer care about tracking written data size,
|
|
1186 |
* since there is no more use for it anyway */
|
|
1187 |
GST_DEBUG_OBJECT (qtmux, "Pushing movie atoms");
|
|
1188 |
gst_qt_mux_send_buffer (qtmux, buffer, NULL, FALSE);
|
|
1189 |
|
|
1190 |
/* if needed, send mdat atom and move buffered data into it */
|
|
1191 |
if (qtmux->fast_start_file) {
|
|
1192 |
/* mdat size = accumulated (buffered data) + mdat atom header */
|
|
1193 |
ret = gst_qt_mux_send_mdat_header (qtmux, NULL, qtmux->mdat_size,
|
|
1194 |
large_file);
|
|
1195 |
if (ret != GST_FLOW_OK)
|
|
1196 |
return ret;
|
|
1197 |
ret = gst_qt_mux_send_buffered_data (qtmux, NULL);
|
|
1198 |
if (ret != GST_FLOW_OK)
|
|
1199 |
return ret;
|
|
1200 |
} else {
|
|
1201 |
/* mdata needs update iff not using faststart */
|
|
1202 |
GST_DEBUG_OBJECT (qtmux, "updating mdata size");
|
|
1203 |
ret = gst_qt_mux_update_mdat_size (qtmux, qtmux->mdat_pos,
|
|
1204 |
qtmux->mdat_size, NULL);
|
|
1205 |
/* note; no seeking back to the end of file is done,
|
|
1206 |
* since we longer write anything anyway */
|
|
1207 |
}
|
|
1208 |
|
|
1209 |
return ret;
|
|
1210 |
|
|
1211 |
/* ERRORS */
|
|
1212 |
serialize_error:
|
|
1213 |
{
|
|
1214 |
gst_buffer_unref (buffer);
|
|
1215 |
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
1216 |
("Failed to serialize moov"));
|
|
1217 |
return GST_FLOW_ERROR;
|
|
1218 |
}
|
|
1219 |
ftyp_error:
|
|
1220 |
{
|
|
1221 |
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL), ("Failed to send ftyp"));
|
|
1222 |
return GST_FLOW_ERROR;
|
|
1223 |
}
|
|
1224 |
}
|
|
1225 |
|
|
1226 |
/*
|
|
1227 |
* Here we push the buffer and update the tables in the track atoms
|
|
1228 |
*/
|
|
1229 |
static GstFlowReturn
|
|
1230 |
gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
|
|
1231 |
{
|
|
1232 |
GstBuffer *last_buf = NULL;
|
|
1233 |
GstClockTime duration;
|
|
1234 |
guint nsamples, sample_size;
|
|
1235 |
guint64 scaled_duration, chunk_offset;
|
|
1236 |
gint64 last_dts;
|
|
1237 |
gint64 pts_offset = 0;
|
|
1238 |
gboolean sync = FALSE, do_pts = FALSE;
|
|
1239 |
|
|
1240 |
if (!pad->fourcc)
|
|
1241 |
goto not_negotiated;
|
|
1242 |
|
|
1243 |
last_buf = pad->last_buf;
|
|
1244 |
if (last_buf == NULL) {
|
|
1245 |
#ifndef GST_DISABLE_GST_DEBUG
|
|
1246 |
if (buf == NULL) {
|
|
1247 |
GST_DEBUG_OBJECT (qtmux, "Pad %s has no previous buffer stored and "
|
|
1248 |
"received NULL buffer, doing nothing",
|
|
1249 |
GST_PAD_NAME (pad->collect.pad));
|
|
1250 |
} else {
|
|
1251 |
GST_LOG_OBJECT (qtmux,
|
|
1252 |
"Pad %s has no previous buffer stored, storing now",
|
|
1253 |
GST_PAD_NAME (pad->collect.pad));
|
|
1254 |
}
|
|
1255 |
#endif
|
|
1256 |
pad->last_buf = buf;
|
|
1257 |
return GST_FLOW_OK;
|
|
1258 |
} else
|
|
1259 |
gst_buffer_ref (last_buf);
|
|
1260 |
|
|
1261 |
/* fall back to duration if:
|
|
1262 |
* - last bufer
|
|
1263 |
* - this format has out of order buffers (e.g. MPEG-4),
|
|
1264 |
* - lack of valid time forces fall back */
|
|
1265 |
if (buf == NULL || pad->is_out_of_order ||
|
|
1266 |
!GST_BUFFER_TIMESTAMP_IS_VALID (last_buf) ||
|
|
1267 |
!GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
|
|
1268 |
if (!GST_BUFFER_DURATION_IS_VALID (last_buf)) {
|
|
1269 |
/* be forgiving for some possibly last upstream flushed buffer */
|
|
1270 |
if (buf)
|
|
1271 |
goto no_time;
|
|
1272 |
GST_WARNING_OBJECT (qtmux, "no duration for last buffer");
|
|
1273 |
/* iso spec recommends some small value, try 0 */
|
|
1274 |
duration = 0;
|
|
1275 |
} else {
|
|
1276 |
duration = GST_BUFFER_DURATION (last_buf);
|
|
1277 |
}
|
|
1278 |
} else {
|
|
1279 |
duration = GST_BUFFER_TIMESTAMP (buf) - GST_BUFFER_TIMESTAMP (last_buf);
|
|
1280 |
}
|
|
1281 |
|
|
1282 |
gst_buffer_replace (&pad->last_buf, buf);
|
|
1283 |
|
|
1284 |
last_dts = gst_util_uint64_scale (pad->last_dts,
|
|
1285 |
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
1286 |
|
|
1287 |
/* raw audio has many samples per buffer (= chunk) */
|
|
1288 |
if (pad->sample_size) {
|
|
1289 |
sample_size = pad->sample_size;
|
|
1290 |
if (GST_BUFFER_SIZE (last_buf) % sample_size != 0)
|
|
1291 |
goto fragmented_sample;
|
|
1292 |
/* note: qt raw audio storage warps it implicitly into a timewise
|
|
1293 |
* perfect stream, discarding buffer times */
|
|
1294 |
nsamples = GST_BUFFER_SIZE (last_buf) / sample_size;
|
|
1295 |
duration = GST_BUFFER_DURATION (last_buf) / nsamples;
|
|
1296 |
/* timescale = samplerate */
|
|
1297 |
scaled_duration = 1;
|
|
1298 |
pad->last_dts += duration * nsamples;
|
|
1299 |
} else {
|
|
1300 |
nsamples = 1;
|
|
1301 |
sample_size = GST_BUFFER_SIZE (last_buf);
|
|
1302 |
if (pad->have_dts) {
|
|
1303 |
gint64 scaled_dts;
|
|
1304 |
pad->last_dts = GST_BUFFER_OFFSET_END (last_buf);
|
|
1305 |
if ((gint64) (pad->last_dts) < 0) {
|
|
1306 |
scaled_dts = -gst_util_uint64_scale (-pad->last_dts,
|
|
1307 |
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
1308 |
} else {
|
|
1309 |
scaled_dts = gst_util_uint64_scale (pad->last_dts,
|
|
1310 |
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
1311 |
}
|
|
1312 |
scaled_duration = scaled_dts - last_dts;
|
|
1313 |
last_dts = scaled_dts;
|
|
1314 |
} else {
|
|
1315 |
/* first convert intended timestamp (in GstClockTime resolution) to
|
|
1316 |
* trak timescale, then derive delta;
|
|
1317 |
* this ensures sums of (scale)delta add up to converted timestamp,
|
|
1318 |
* which only deviates at most 1/scale from timestamp itself */
|
|
1319 |
scaled_duration = gst_util_uint64_scale (pad->last_dts + duration,
|
|
1320 |
atom_trak_get_timescale (pad->trak), GST_SECOND) - last_dts;
|
|
1321 |
pad->last_dts += duration;
|
|
1322 |
}
|
|
1323 |
}
|
|
1324 |
chunk_offset = qtmux->mdat_size;
|
|
1325 |
|
|
1326 |
GST_LOG_OBJECT (qtmux,
|
|
1327 |
"Pad (%s) dts updated to %" GST_TIME_FORMAT,
|
|
1328 |
GST_PAD_NAME (pad->collect.pad), GST_TIME_ARGS (pad->last_dts));
|
|
1329 |
GST_LOG_OBJECT (qtmux,
|
|
1330 |
"Adding %d samples to track, duration: %" G_GUINT64_FORMAT
|
|
1331 |
" size: %" G_GUINT32_FORMAT " chunk offset: %" G_GUINT64_FORMAT,
|
|
1332 |
nsamples, scaled_duration, sample_size, chunk_offset);
|
|
1333 |
|
|
1334 |
/* might be a sync sample */
|
|
1335 |
if (pad->sync &&
|
|
1336 |
!GST_BUFFER_FLAG_IS_SET (last_buf, GST_BUFFER_FLAG_DELTA_UNIT)) {
|
|
1337 |
GST_LOG_OBJECT (qtmux, "Adding new sync sample entry for track of pad %s",
|
|
1338 |
GST_PAD_NAME (pad->collect.pad));
|
|
1339 |
sync = TRUE;
|
|
1340 |
}
|
|
1341 |
|
|
1342 |
/* optionally calculate ctts entry values
|
|
1343 |
* (if composition-time expected different from decoding-time) */
|
|
1344 |
/* really not recommended:
|
|
1345 |
* - decoder typically takes care of dts/pts issues
|
|
1346 |
* - in case of out-of-order, dts may only be determined as above
|
|
1347 |
* (e.g. sum of duration), which may be totally different from
|
|
1348 |
* buffer timestamps in case of multiple segment, non-perfect streams
|
|
1349 |
* (and just perhaps maybe with some luck segment_to_running_time
|
|
1350 |
* or segment_to_media_time might get near to it) */
|
|
1351 |
if ((pad->have_dts || qtmux->guess_pts) && pad->is_out_of_order) {
|
|
1352 |
guint64 pts;
|
|
1353 |
|
|
1354 |
pts = gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (last_buf),
|
|
1355 |
atom_trak_get_timescale (pad->trak), GST_SECOND);
|
|
1356 |
pts_offset = (gint64) (pts - last_dts);
|
|
1357 |
do_pts = TRUE;
|
|
1358 |
GST_LOG_OBJECT (qtmux, "Adding ctts entry for pad %s: %" G_GINT64_FORMAT,
|
|
1359 |
GST_PAD_NAME (pad->collect.pad), pts_offset);
|
|
1360 |
}
|
|
1361 |
|
|
1362 |
/*
|
|
1363 |
* Each buffer starts a new chunk, so we can assume the buffer
|
|
1364 |
* duration is the chunk duration
|
|
1365 |
*/
|
|
1366 |
if (GST_CLOCK_TIME_IS_VALID (duration) && (duration > qtmux->longest_chunk ||
|
|
1367 |
!GST_CLOCK_TIME_IS_VALID (qtmux->longest_chunk))) {
|
|
1368 |
GST_DEBUG_OBJECT (qtmux, "New longest chunk found: %" GST_TIME_FORMAT
|
|
1369 |
", pad %s", GST_TIME_ARGS (duration), GST_PAD_NAME (pad->collect.pad));
|
|
1370 |
qtmux->longest_chunk = duration;
|
|
1371 |
}
|
|
1372 |
|
|
1373 |
/* now we go and register this buffer/sample all over */
|
|
1374 |
/* note that a new chunk is started each time (not fancy but works) */
|
|
1375 |
atom_trak_add_samples (pad->trak, nsamples, scaled_duration, sample_size,
|
|
1376 |
chunk_offset, sync, do_pts, pts_offset);
|
|
1377 |
|
|
1378 |
if (buf)
|
|
1379 |
gst_buffer_unref (buf);
|
|
1380 |
|
|
1381 |
return gst_qt_mux_send_buffer (qtmux, last_buf, &qtmux->mdat_size, TRUE);
|
|
1382 |
|
|
1383 |
/* ERRORS */
|
|
1384 |
bail:
|
|
1385 |
{
|
|
1386 |
if (buf)
|
|
1387 |
gst_buffer_unref (buf);
|
|
1388 |
gst_buffer_unref (last_buf);
|
|
1389 |
return GST_FLOW_ERROR;
|
|
1390 |
}
|
|
1391 |
no_time:
|
|
1392 |
{
|
|
1393 |
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
1394 |
("Received buffer without timestamp/duration."));
|
|
1395 |
goto bail;
|
|
1396 |
}
|
|
1397 |
fragmented_sample:
|
|
1398 |
{
|
|
1399 |
GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
|
|
1400 |
("Audio buffer contains fragmented sample."));
|
|
1401 |
goto bail;
|
|
1402 |
}
|
|
1403 |
not_negotiated:
|
|
1404 |
{
|
|
1405 |
GST_ELEMENT_ERROR (qtmux, CORE, NEGOTIATION, (NULL),
|
|
1406 |
("format wasn't negotiated before buffer flow on pad %s",
|
|
1407 |
GST_PAD_NAME (pad->collect.pad)));
|
|
1408 |
if (buf)
|
|
1409 |
gst_buffer_unref (buf);
|
|
1410 |
return GST_FLOW_NOT_NEGOTIATED;
|
|
1411 |
}
|
|
1412 |
}
|
|
1413 |
|
|
1414 |
static GstFlowReturn
|
|
1415 |
gst_qt_mux_collected (GstCollectPads * pads, gpointer user_data)
|
|
1416 |
{
|
|
1417 |
GstFlowReturn ret = GST_FLOW_OK;
|
|
1418 |
GstQTMux *qtmux = GST_QT_MUX_CAST (user_data);
|
|
1419 |
GSList *walk;
|
|
1420 |
GstQTPad *best_pad = NULL;
|
|
1421 |
GstClockTime time, best_time = GST_CLOCK_TIME_NONE;
|
|
1422 |
GstBuffer *buf;
|
|
1423 |
|
|
1424 |
if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_STARTED)) {
|
|
1425 |
if ((ret = gst_qt_mux_start_file (qtmux)) != GST_FLOW_OK)
|
|
1426 |
return ret;
|
|
1427 |
else
|
|
1428 |
qtmux->state = GST_QT_MUX_STATE_DATA;
|
|
1429 |
}
|
|
1430 |
|
|
1431 |
if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_EOS))
|
|
1432 |
return GST_FLOW_UNEXPECTED;
|
|
1433 |
|
|
1434 |
/* select the best buffer */
|
|
1435 |
walk = qtmux->collect->data;
|
|
1436 |
while (walk) {
|
|
1437 |
GstQTPad *pad;
|
|
1438 |
GstCollectData *data;
|
|
1439 |
|
|
1440 |
data = (GstCollectData *) walk->data;
|
|
1441 |
pad = (GstQTPad *) data;
|
|
1442 |
|
|
1443 |
walk = g_slist_next (walk);
|
|
1444 |
|
|
1445 |
buf = gst_collect_pads_peek (pads, data);
|
|
1446 |
if (buf == NULL) {
|
|
1447 |
GST_LOG_OBJECT (qtmux, "Pad %s has no buffers",
|
|
1448 |
GST_PAD_NAME (pad->collect.pad));
|
|
1449 |
continue;
|
|
1450 |
}
|
|
1451 |
time = GST_BUFFER_TIMESTAMP (buf);
|
|
1452 |
gst_buffer_unref (buf);
|
|
1453 |
|
|
1454 |
if (best_pad == NULL || !GST_CLOCK_TIME_IS_VALID (time) ||
|
|
1455 |
(GST_CLOCK_TIME_IS_VALID (best_time) && time < best_time)) {
|
|
1456 |
best_pad = pad;
|
|
1457 |
best_time = time;
|
|
1458 |
}
|
|
1459 |
}
|
|
1460 |
|
|
1461 |
if (best_pad != NULL) {
|
|
1462 |
GST_LOG_OBJECT (qtmux, "selected pad %s with time %" GST_TIME_FORMAT,
|
|
1463 |
GST_PAD_NAME (best_pad->collect.pad), GST_TIME_ARGS (best_time));
|
|
1464 |
buf = gst_collect_pads_pop (pads, &best_pad->collect);
|
|
1465 |
ret = gst_qt_mux_add_buffer (qtmux, best_pad, buf);
|
|
1466 |
} else {
|
|
1467 |
ret = gst_qt_mux_stop_file (qtmux);
|
|
1468 |
if (ret == GST_FLOW_OK) {
|
|
1469 |
gst_pad_push_event (qtmux->srcpad, gst_event_new_eos ());
|
|
1470 |
ret = GST_FLOW_UNEXPECTED;
|
|
1471 |
}
|
|
1472 |
qtmux->state = GST_QT_MUX_STATE_EOS;
|
|
1473 |
}
|
|
1474 |
|
|
1475 |
return ret;
|
|
1476 |
}
|
|
1477 |
|
|
1478 |
static gboolean
|
|
1479 |
gst_qt_mux_audio_sink_set_caps (GstPad * pad, GstCaps * caps)
|
|
1480 |
{
|
|
1481 |
GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
|
|
1482 |
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
1483 |
GstQTPad *qtpad = NULL;
|
|
1484 |
GstStructure *structure;
|
|
1485 |
const gchar *mimetype;
|
|
1486 |
gint rate, channels;
|
|
1487 |
const GValue *value = NULL;
|
|
1488 |
const GstBuffer *codec_data = NULL;
|
|
1489 |
GstQTMuxFormat format;
|
|
1490 |
AudioSampleEntry entry = { 0, };
|
|
1491 |
AtomInfo *ext_atom = NULL;
|
|
1492 |
gint constant_size = 0;
|
|
1493 |
|
|
1494 |
/* find stream data */
|
|
1495 |
qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
|
|
1496 |
g_assert (qtpad);
|
|
1497 |
|
|
1498 |
/* does not go well to renegotiate stream mid-way */
|
|
1499 |
if (qtpad->fourcc)
|
|
1500 |
goto refuse_renegotiation;
|
|
1501 |
|
|
1502 |
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
|
|
1503 |
GST_DEBUG_PAD_NAME (pad), caps);
|
|
1504 |
|
|
1505 |
format = qtmux_klass->format;
|
|
1506 |
structure = gst_caps_get_structure (caps, 0);
|
|
1507 |
mimetype = gst_structure_get_name (structure);
|
|
1508 |
|
|
1509 |
/* common info */
|
|
1510 |
if (!gst_structure_get_int (structure, "channels", &channels) ||
|
|
1511 |
!gst_structure_get_int (structure, "rate", &rate)) {
|
|
1512 |
goto refuse_caps;
|
|
1513 |
}
|
|
1514 |
|
|
1515 |
/* optional */
|
|
1516 |
value = gst_structure_get_value (structure, "codec_data");
|
|
1517 |
if (value != NULL)
|
|
1518 |
codec_data = gst_value_get_buffer (value);
|
|
1519 |
|
|
1520 |
qtpad->is_out_of_order = FALSE;
|
|
1521 |
qtpad->have_dts = FALSE;
|
|
1522 |
|
|
1523 |
/* set common properties */
|
|
1524 |
entry.sample_rate = rate;
|
|
1525 |
entry.channels = channels;
|
|
1526 |
/* default */
|
|
1527 |
entry.sample_size = 16;
|
|
1528 |
/* this is the typical compressed case */
|
|
1529 |
if (format == GST_QT_MUX_FORMAT_QT) {
|
|
1530 |
entry.version = 1;
|
|
1531 |
entry.compression_id = -2;
|
|
1532 |
}
|
|
1533 |
|
|
1534 |
/* now map onto a fourcc, and some extra properties */
|
|
1535 |
if (strcmp (mimetype, "audio/mpeg") == 0) {
|
|
1536 |
gint mpegversion = 0;
|
|
1537 |
gint layer = -1;
|
|
1538 |
|
|
1539 |
gst_structure_get_int (structure, "mpegversion", &mpegversion);
|
|
1540 |
switch (mpegversion) {
|
|
1541 |
case 1:
|
|
1542 |
gst_structure_get_int (structure, "layer", &layer);
|
|
1543 |
switch (layer) {
|
|
1544 |
case 3:
|
|
1545 |
/* mp3 */
|
|
1546 |
/* note: QuickTime player does not like mp3 either way in iso/mp4 */
|
|
1547 |
if (format == GST_QT_MUX_FORMAT_QT)
|
|
1548 |
entry.fourcc = FOURCC__mp3;
|
|
1549 |
else {
|
|
1550 |
entry.fourcc = FOURCC_mp4a;
|
|
1551 |
ext_atom =
|
|
1552 |
build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG1_P3,
|
|
1553 |
ESDS_STREAM_TYPE_AUDIO, codec_data);
|
|
1554 |
}
|
|
1555 |
entry.samples_per_packet = 1152;
|
|
1556 |
entry.bytes_per_sample = 2;
|
|
1557 |
break;
|
|
1558 |
}
|
|
1559 |
break;
|
|
1560 |
case 4:
|
|
1561 |
/* AAC */
|
|
1562 |
entry.fourcc = FOURCC_mp4a;
|
|
1563 |
if (!codec_data || GST_BUFFER_SIZE (codec_data) < 2)
|
|
1564 |
GST_WARNING_OBJECT (qtmux, "no (valid) codec_data for AAC audio");
|
|
1565 |
else {
|
|
1566 |
guint8 profile = GST_READ_UINT8 (GST_BUFFER_DATA (codec_data));
|
|
1567 |
|
|
1568 |
/* warn if not Low Complexity profile */
|
|
1569 |
profile >>= 3;
|
|
1570 |
if (profile != 2)
|
|
1571 |
GST_WARNING_OBJECT (qtmux,
|
|
1572 |
"non-LC AAC may not run well on (Apple) QuickTime/iTunes");
|
|
1573 |
}
|
|
1574 |
if (format == GST_QT_MUX_FORMAT_QT)
|
|
1575 |
ext_atom = build_mov_aac_extension (qtpad->trak, codec_data);
|
|
1576 |
else
|
|
1577 |
ext_atom =
|
|
1578 |
build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG4_P3,
|
|
1579 |
ESDS_STREAM_TYPE_AUDIO, codec_data);
|
|
1580 |
break;
|
|
1581 |
default:
|
|
1582 |
break;
|
|
1583 |
}
|
|
1584 |
} else if (strcmp (mimetype, "audio/AMR") == 0) {
|
|
1585 |
entry.fourcc = FOURCC_samr;
|
|
1586 |
entry.sample_size = 16;
|
|
1587 |
entry.samples_per_packet = 160;
|
|
1588 |
entry.bytes_per_sample = 2;
|
|
1589 |
ext_atom = build_amr_extension ();
|
|
1590 |
} else if (strcmp (mimetype, "audio/AMR-WB") == 0) {
|
|
1591 |
entry.fourcc = FOURCC_sawb;
|
|
1592 |
entry.sample_size = 16;
|
|
1593 |
entry.samples_per_packet = 320;
|
|
1594 |
entry.bytes_per_sample = 2;
|
|
1595 |
ext_atom = build_amr_extension ();
|
|
1596 |
} else if (strcmp (mimetype, "audio/x-raw-int") == 0) {
|
|
1597 |
gint width;
|
|
1598 |
gint depth;
|
|
1599 |
gint endianness;
|
|
1600 |
gboolean sign;
|
|
1601 |
|
|
1602 |
if (!gst_structure_get_int (structure, "width", &width) ||
|
|
1603 |
!gst_structure_get_int (structure, "depth", &depth) ||
|
|
1604 |
!gst_structure_get_boolean (structure, "signed", &sign)) {
|
|
1605 |
GST_DEBUG_OBJECT (qtmux, "broken caps, width/depth/signed field missing");
|
|
1606 |
goto refuse_caps;
|
|
1607 |
}
|
|
1608 |
|
|
1609 |
if (depth <= 8) {
|
|
1610 |
endianness = G_BYTE_ORDER;
|
|
1611 |
} else if (!gst_structure_get_boolean (structure,
|
|
1612 |
"endianness", &endianness)) {
|
|
1613 |
GST_DEBUG_OBJECT (qtmux, "broken caps, endianness field missing");
|
|
1614 |
goto refuse_caps;
|
|
1615 |
}
|
|
1616 |
|
|
1617 |
/* spec has no place for a distinction in these */
|
|
1618 |
if (width != depth) {
|
|
1619 |
GST_DEBUG_OBJECT (qtmux, "width must be same as depth!");
|
|
1620 |
goto refuse_caps;
|
|
1621 |
}
|
|
1622 |
|
|
1623 |
if (sign) {
|
|
1624 |
if (endianness == G_LITTLE_ENDIAN)
|
|
1625 |
entry.fourcc = FOURCC_sowt;
|
|
1626 |
else if (endianness == G_BIG_ENDIAN)
|
|
1627 |
entry.fourcc = FOURCC_twos;
|
|
1628 |
/* maximum backward compatibility; only new version for > 16 bit */
|
|
1629 |
if (depth <= 16)
|
|
1630 |
entry.version = 0;
|
|
1631 |
/* not compressed in any case */
|
|
1632 |
entry.compression_id = 0;
|
|
1633 |
/* QT spec says: max at 16 bit even if sample size were actually larger,
|
|
1634 |
* however, most players (e.g. QuickTime!) seem to disagree, so ... */
|
|
1635 |
entry.sample_size = depth;
|
|
1636 |
entry.bytes_per_sample = depth / 8;
|
|
1637 |
entry.samples_per_packet = 1;
|
|
1638 |
entry.bytes_per_packet = depth / 8;
|
|
1639 |
entry.bytes_per_frame = entry.bytes_per_packet * channels;
|
|
1640 |
} else {
|
|
1641 |
if (width == 8 && depth == 8) {
|
|
1642 |
/* fall back to old 8-bit version */
|
|
1643 |
entry.fourcc = FOURCC_raw_;
|
|
1644 |
entry.version = 0;
|
|
1645 |
entry.compression_id = 0;
|
|
1646 |
entry.sample_size = 8;
|
|
1647 |
} else {
|
|
1648 |
GST_DEBUG_OBJECT (qtmux, "non 8-bit PCM must be signed");
|
|
1649 |
goto refuse_caps;
|
|
1650 |
}
|
|
1651 |
}
|
|
1652 |
constant_size = (depth / 8) * channels;
|
|
1653 |
} else if (strcmp (mimetype, "audio/x-alaw") == 0) {
|
|
1654 |
entry.fourcc = FOURCC_alaw;
|
|
1655 |
entry.samples_per_packet = 1023;
|
|
1656 |
entry.bytes_per_sample = 2;
|
|
1657 |
} else if (strcmp (mimetype, "audio/x-mulaw") == 0) {
|
|
1658 |
entry.fourcc = FOURCC_ulaw;
|
|
1659 |
entry.samples_per_packet = 1023;
|
|
1660 |
entry.bytes_per_sample = 2;
|
|
1661 |
}
|
|
1662 |
|
|
1663 |
if (!entry.fourcc)
|
|
1664 |
goto refuse_caps;
|
|
1665 |
|
|
1666 |
/* ok, set the pad info accordingly */
|
|
1667 |
qtpad->fourcc = entry.fourcc;
|
|
1668 |
qtpad->sample_size = constant_size;
|
|
1669 |
atom_trak_set_audio_type (qtpad->trak, qtmux->context, &entry,
|
|
1670 |
entry.sample_rate, ext_atom, constant_size);
|
|
1671 |
|
|
1672 |
gst_object_unref (qtmux);
|
|
1673 |
return TRUE;
|
|
1674 |
|
|
1675 |
/* ERRORS */
|
|
1676 |
refuse_caps:
|
|
1677 |
{
|
|
1678 |
GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
|
|
1679 |
GST_PAD_NAME (pad), caps);
|
|
1680 |
gst_object_unref (qtmux);
|
|
1681 |
return FALSE;
|
|
1682 |
}
|
|
1683 |
refuse_renegotiation:
|
|
1684 |
{
|
|
1685 |
GST_WARNING_OBJECT (qtmux,
|
|
1686 |
"pad %s refused renegotiation to %" GST_PTR_FORMAT,
|
|
1687 |
GST_PAD_NAME (pad), caps);
|
|
1688 |
gst_object_unref (qtmux);
|
|
1689 |
return FALSE;
|
|
1690 |
}
|
|
1691 |
}
|
|
1692 |
|
|
1693 |
/* scale rate up or down by factor of 10 to fit into [1000,10000] interval */
|
|
1694 |
static guint32
|
|
1695 |
adjust_rate (guint64 rate)
|
|
1696 |
{
|
|
1697 |
while (rate >= 10000)
|
|
1698 |
rate /= 10;
|
|
1699 |
|
|
1700 |
while (rate < 1000)
|
|
1701 |
rate *= 10;
|
|
1702 |
|
|
1703 |
return (guint32) rate;
|
|
1704 |
}
|
|
1705 |
|
|
1706 |
static gboolean
|
|
1707 |
gst_qt_mux_video_sink_set_caps (GstPad * pad, GstCaps * caps)
|
|
1708 |
{
|
|
1709 |
GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
|
|
1710 |
GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
|
|
1711 |
GstQTPad *qtpad = NULL;
|
|
1712 |
GstStructure *structure;
|
|
1713 |
const gchar *mimetype;
|
|
1714 |
gint width, height, depth = -1;
|
|
1715 |
gint framerate_num, framerate_den;
|
|
1716 |
guint32 rate;
|
|
1717 |
const GValue *value = NULL;
|
|
1718 |
const GstBuffer *codec_data = NULL;
|
|
1719 |
VisualSampleEntry entry = { 0, };
|
|
1720 |
GstQTMuxFormat format;
|
|
1721 |
AtomInfo *ext_atom = NULL;
|
|
1722 |
gboolean sync = FALSE;
|
|
1723 |
int par_num, par_den;
|
|
1724 |
|
|
1725 |
/* find stream data */
|
|
1726 |
qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
|
|
1727 |
g_assert (qtpad);
|
|
1728 |
|
|
1729 |
/* does not go well to renegotiate stream mid-way */
|
|
1730 |
if (qtpad->fourcc)
|
|
1731 |
goto refuse_renegotiation;
|
|
1732 |
|
|
1733 |
GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
|
|
1734 |
GST_DEBUG_PAD_NAME (pad), caps);
|
|
1735 |
|
|
1736 |
format = qtmux_klass->format;
|
|
1737 |
structure = gst_caps_get_structure (caps, 0);
|
|
1738 |
mimetype = gst_structure_get_name (structure);
|
|
1739 |
|
|
1740 |
/* required parts */
|
|
1741 |
if (!gst_structure_get_int (structure, "width", &width) ||
|
|
1742 |
!gst_structure_get_int (structure, "height", &height))
|
|
1743 |
goto refuse_caps;
|
|
1744 |
|
|
1745 |
/* optional */
|
|
1746 |
depth = -1;
|
|
1747 |
/* works as a default timebase */
|
|
1748 |
framerate_num = 10000;
|
|
1749 |
framerate_den = 1;
|
|
1750 |
gst_structure_get_fraction (structure, "framerate", &framerate_num,
|
|
1751 |
&framerate_den);
|
|
1752 |
gst_structure_get_int (structure, "depth", &depth);
|
|
1753 |
value = gst_structure_get_value (structure, "codec_data");
|
|
1754 |
if (value != NULL)
|
|
1755 |
codec_data = gst_value_get_buffer (value);
|
|
1756 |
|
|
1757 |
par_num = 1;
|
|
1758 |
par_den = 1;
|
|
1759 |
gst_structure_get_fraction (structure, "pixel-aspect-ratio", &par_num,
|
|
1760 |
&par_den);
|
|
1761 |
|
|
1762 |
qtpad->is_out_of_order = FALSE;
|
|
1763 |
|
|
1764 |
/* bring frame numerator into a range that ensures both reasonable resolution
|
|
1765 |
* as well as a fair duration */
|
|
1766 |
rate = adjust_rate (framerate_num);
|
|
1767 |
GST_DEBUG_OBJECT (qtmux, "Rate of video track selected: %" G_GUINT32_FORMAT,
|
|
1768 |
rate);
|
|
1769 |
|
|
1770 |
/* set common properties */
|
|
1771 |
entry.width = width;
|
|
1772 |
entry.height = height;
|
|
1773 |
entry.par_n = par_num;
|
|
1774 |
entry.par_d = par_den;
|
|
1775 |
/* should be OK according to qt and iso spec, override if really needed */
|
|
1776 |
entry.color_table_id = -1;
|
|
1777 |
entry.frame_count = 1;
|
|
1778 |
entry.depth = 24;
|
|
1779 |
|
|
1780 |
/* sync entries by default */
|
|
1781 |
sync = TRUE;
|
|
1782 |
|
|
1783 |
/* now map onto a fourcc, and some extra properties */
|
|
1784 |
if (strcmp (mimetype, "video/x-raw-rgb") == 0) {
|
|
1785 |
gint bpp;
|
|
1786 |
|
|
1787 |
entry.fourcc = FOURCC_raw_;
|
|
1788 |
gst_structure_get_int (structure, "bpp", &bpp);
|
|
1789 |
entry.depth = bpp;
|
|
1790 |
sync = FALSE;
|
|
1791 |
} else if (strcmp (mimetype, "video/x-raw-yuv") == 0) {
|
|
1792 |
guint32 format = 0;
|
|
1793 |
|
|
1794 |
sync = FALSE;
|
|
1795 |
gst_structure_get_fourcc (structure, "format", &format);
|
|
1796 |
switch (format) {
|
|
1797 |
case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
|
|
1798 |
if (depth == -1)
|
|
1799 |
depth = 24;
|
|
1800 |
entry.fourcc = FOURCC_2vuy;
|
|
1801 |
entry.depth = depth;
|
|
1802 |
break;
|
|
1803 |
}
|
|
1804 |
} else if (strcmp (mimetype, "video/x-h263") == 0) {
|
|
1805 |
if (format == GST_QT_MUX_FORMAT_QT)
|
|
1806 |
entry.fourcc = FOURCC_h263;
|
|
1807 |
else
|
|
1808 |
entry.fourcc = FOURCC_s263;
|
|
1809 |
ext_atom = build_h263_extension ();
|
|
1810 |
} else if (strcmp (mimetype, "video/x-divx") == 0 ||
|
|
1811 |
strcmp (mimetype, "video/mpeg") == 0) {
|
|
1812 |
gint version = 0;
|
|
1813 |
|
|
1814 |
if (strcmp (mimetype, "video/x-divx") == 0) {
|
|
1815 |
gst_structure_get_int (structure, "divxversion", &version);
|
|
1816 |
version = version == 5 ? 1 : 0;
|
|
1817 |
} else {
|
|
1818 |
gst_structure_get_int (structure, "mpegversion", &version);
|
|
1819 |
version = version == 4 ? 1 : 0;
|
|
1820 |
}
|
|
1821 |
if (version) {
|
|
1822 |
entry.fourcc = FOURCC_mp4v;
|
|
1823 |
ext_atom =
|
|
1824 |
build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG4_P2,
|
|
1825 |
ESDS_STREAM_TYPE_VISUAL, codec_data);
|
|
1826 |
if (!codec_data)
|
|
1827 |
GST_WARNING_OBJECT (qtmux, "no codec_data for MPEG4 video; "
|
|
1828 |
"output might not play in Apple QuickTime (try global-headers?)");
|
|
1829 |
}
|
|
1830 |
} else if (strcmp (mimetype, "video/x-h264") == 0) {
|
|
1831 |
entry.fourcc = FOURCC_avc1;
|
|
1832 |
qtpad->is_out_of_order = TRUE;
|
|
1833 |
if (!codec_data)
|
|
1834 |
GST_WARNING_OBJECT (qtmux, "no codec_data in h264 caps");
|
|
1835 |
ext_atom = build_codec_data_extension (FOURCC_avcC, codec_data);
|
|
1836 |
} else if (strcmp (mimetype, "video/x-dv") == 0) {
|
|
1837 |
gint version = 0;
|
|
1838 |
gboolean pal = TRUE;
|
|
1839 |
|
|
1840 |
sync = FALSE;
|
|
1841 |
if (framerate_num != 25 || framerate_den != 1)
|
|
1842 |
pal = FALSE;
|
|
1843 |
gst_structure_get_int (structure, "dvversion", &version);
|
|
1844 |
/* fall back to typical one */
|
|
1845 |
if (!version)
|
|
1846 |
version = 25;
|
|
1847 |
switch (version) {
|
|
1848 |
case 25:
|
|
1849 |
if (pal)
|
|
1850 |
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', 'p');
|
|
1851 |
else
|
|
1852 |
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', ' ');
|
|
1853 |
break;
|
|
1854 |
case 50:
|
|
1855 |
if (pal)
|
|
1856 |
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'p');
|
|
1857 |
else
|
|
1858 |
entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'n');
|
|
1859 |
break;
|
|
1860 |
default:
|
|
1861 |
GST_WARNING_OBJECT (qtmux, "unrecognized dv version");
|
|
1862 |
break;
|
|
1863 |
}
|
|
1864 |
} else if (strcmp (mimetype, "image/jpeg") == 0) {
|
|
1865 |
entry.fourcc = FOURCC_jpeg;
|
|
1866 |
sync = FALSE;
|
|
1867 |
} else if (strcmp (mimetype, "image/x-j2c") == 0) {
|
|
1868 |
guint32 fourcc;
|
|
1869 |
|
|
1870 |
entry.fourcc = FOURCC_mjp2;
|
|
1871 |
sync = FALSE;
|
|
1872 |
if (!gst_structure_get_fourcc (structure, "fourcc", &fourcc) ||
|
|
1873 |
!(ext_atom =
|
|
1874 |
build_jp2h_extension (qtpad->trak, width, height, fourcc))) {
|
|
1875 |
GST_DEBUG_OBJECT (qtmux, "missing or invalid fourcc in jp2 caps");
|
|
1876 |
goto refuse_caps;
|
|
1877 |
}
|
|
1878 |
} else if (strcmp (mimetype, "video/x-qt-part") == 0) {
|
|
1879 |
guint32 fourcc;
|
|
1880 |
|
|
1881 |
gst_structure_get_fourcc (structure, "format", &fourcc);
|
|
1882 |
entry.fourcc = fourcc;
|
|
1883 |
qtpad->is_out_of_order = TRUE;
|
|
1884 |
qtpad->have_dts = TRUE;
|
|
1885 |
} else if (strcmp (mimetype, "video/x-mp4-part") == 0) {
|
|
1886 |
guint32 fourcc;
|
|
1887 |
|
|
1888 |
gst_structure_get_fourcc (structure, "format", &fourcc);
|
|
1889 |
entry.fourcc = fourcc;
|
|
1890 |
qtpad->is_out_of_order = TRUE;
|
|
1891 |
qtpad->have_dts = TRUE;
|
|
1892 |
}
|
|
1893 |
|
|
1894 |
if (!entry.fourcc)
|
|
1895 |
goto refuse_caps;
|
|
1896 |
|
|
1897 |
/* ok, set the pad info accordingly */
|
|
1898 |
qtpad->fourcc = entry.fourcc;
|
|
1899 |
qtpad->sync = sync;
|
|
1900 |
atom_trak_set_video_type (qtpad->trak, qtmux->context, &entry, rate,
|
|
1901 |
ext_atom);
|
|
1902 |
|
|
1903 |
gst_object_unref (qtmux);
|
|
1904 |
return TRUE;
|
|
1905 |
|
|
1906 |
/* ERRORS */
|
|
1907 |
refuse_caps:
|
|
1908 |
{
|
|
1909 |
GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
|
|
1910 |
GST_PAD_NAME (pad), caps);
|
|
1911 |
gst_object_unref (qtmux);
|
|
1912 |
return FALSE;
|
|
1913 |
}
|
|
1914 |
refuse_renegotiation:
|
|
1915 |
{
|
|
1916 |
GST_WARNING_OBJECT (qtmux,
|
|
1917 |
"pad %s refused renegotiation to %" GST_PTR_FORMAT " from %"
|
|
1918 |
GST_PTR_FORMAT, GST_PAD_NAME (pad), caps, GST_PAD_CAPS (pad));
|
|
1919 |
gst_object_unref (qtmux);
|
|
1920 |
return FALSE;
|
|
1921 |
}
|
|
1922 |
}
|
|
1923 |
|
|
1924 |
static gboolean
|
|
1925 |
gst_qt_mux_sink_event (GstPad * pad, GstEvent * event)
|
|
1926 |
{
|
|
1927 |
gboolean ret;
|
|
1928 |
GstQTMux *qtmux;
|
|
1929 |
|
|
1930 |
qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
|
|
1931 |
switch (GST_EVENT_TYPE (event)) {
|
|
1932 |
case GST_EVENT_TAG:{
|
|
1933 |
GstTagList *list;
|
|
1934 |
GstTagSetter *setter = GST_TAG_SETTER (qtmux);
|
|
1935 |
const GstTagMergeMode mode = gst_tag_setter_get_tag_merge_mode (setter);
|
|
1936 |
|
|
1937 |
GST_DEBUG_OBJECT (qtmux, "received tag event");
|
|
1938 |
gst_event_parse_tag (event, &list);
|
|
1939 |
gst_tag_setter_merge_tags (setter, list, mode);
|
|
1940 |
break;
|
|
1941 |
}
|
|
1942 |
default:
|
|
1943 |
break;
|
|
1944 |
}
|
|
1945 |
|
|
1946 |
ret = qtmux->collect_event (pad, event);
|
|
1947 |
gst_object_unref (qtmux);
|
|
1948 |
|
|
1949 |
return ret;
|
|
1950 |
}
|
|
1951 |
|
|
1952 |
static void
|
|
1953 |
gst_qt_mux_release_pad (GstElement * element, GstPad * pad)
|
|
1954 |
{
|
|
1955 |
GstQTMux *mux = GST_QT_MUX_CAST (element);
|
|
1956 |
|
|
1957 |
/* let GstCollectPads complain if it is some unknown pad */
|
|
1958 |
if (gst_collect_pads_remove_pad (mux->collect, pad))
|
|
1959 |
gst_element_remove_pad (element, pad);
|
|
1960 |
}
|
|
1961 |
|
|
1962 |
static GstPad *
|
|
1963 |
gst_qt_mux_request_new_pad (GstElement * element,
|
|
1964 |
GstPadTemplate * templ, const gchar * req_name)
|
|
1965 |
{
|
|
1966 |
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
|
|
1967 |
GstQTMux *qtmux = GST_QT_MUX_CAST (element);
|
|
1968 |
GstQTPad *collect_pad;
|
|
1969 |
GstPad *newpad;
|
|
1970 |
gboolean audio;
|
|
1971 |
gchar *name;
|
|
1972 |
|
|
1973 |
if (templ->direction != GST_PAD_SINK)
|
|
1974 |
goto wrong_direction;
|
|
1975 |
|
|
1976 |
// if (qtmux->state != GST_QT_MUX_STATE_NONE)
|
|
1977 |
// goto too_late;
|
|
1978 |
|
|
1979 |
if (templ == gst_element_class_get_pad_template (klass, "audio_%d")) {
|
|
1980 |
audio = TRUE;
|
|
1981 |
name = g_strdup_printf ("audio_%02d", qtmux->audio_pads++);
|
|
1982 |
} else if (templ == gst_element_class_get_pad_template (klass, "video_%d")) {
|
|
1983 |
audio = FALSE;
|
|
1984 |
name = g_strdup_printf ("video_%02d", qtmux->video_pads++);
|
|
1985 |
} else
|
|
1986 |
goto wrong_template;
|
|
1987 |
|
|
1988 |
GST_DEBUG_OBJECT (qtmux, "Requested pad: %s", name);
|
|
1989 |
|
|
1990 |
/* create pad and add to collections */
|
|
1991 |
newpad = gst_pad_new_from_template (templ, name);
|
|
1992 |
g_free (name);
|
|
1993 |
collect_pad = (GstQTPad *)
|
|
1994 |
gst_collect_pads_add_pad_full (qtmux->collect, newpad, sizeof (GstQTPad),
|
|
1995 |
(GstCollectDataDestroyNotify) (gst_qt_mux_pad_reset));
|
|
1996 |
/* set up pad */
|
|
1997 |
gst_qt_mux_pad_reset (collect_pad);
|
|
1998 |
collect_pad->trak = atom_trak_new (qtmux->context);
|
|
1999 |
atom_moov_add_trak (qtmux->moov, collect_pad->trak);
|
|
2000 |
|
|
2001 |
/* set up pad functions */
|
|
2002 |
if (audio)
|
|
2003 |
gst_pad_set_setcaps_function (newpad,
|
|
2004 |
GST_DEBUG_FUNCPTR (gst_qt_mux_audio_sink_set_caps));
|
|
2005 |
else
|
|
2006 |
gst_pad_set_setcaps_function (newpad,
|
|
2007 |
GST_DEBUG_FUNCPTR (gst_qt_mux_video_sink_set_caps));
|
|
2008 |
|
|
2009 |
/* FIXME: hacked way to override/extend the event function of
|
|
2010 |
* GstCollectPads; because it sets its own event function giving the
|
|
2011 |
* element no access to events.
|
|
2012 |
*/
|
|
2013 |
qtmux->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (newpad);
|
|
2014 |
gst_pad_set_event_function (newpad,
|
|
2015 |
GST_DEBUG_FUNCPTR (gst_qt_mux_sink_event));
|
|
2016 |
|
|
2017 |
gst_pad_set_active (newpad, TRUE);
|
|
2018 |
gst_element_add_pad (element, newpad);
|
|
2019 |
|
|
2020 |
return newpad;
|
|
2021 |
|
|
2022 |
/* ERRORS */
|
|
2023 |
wrong_direction:
|
|
2024 |
{
|
|
2025 |
GST_WARNING_OBJECT (qtmux, "Request pad that is not a SINK pad.");
|
|
2026 |
return NULL;
|
|
2027 |
}
|
|
2028 |
too_late:
|
|
2029 |
{
|
|
2030 |
GST_WARNING_OBJECT (qtmux, "Not providing request pad after stream start.");
|
|
2031 |
return NULL;
|
|
2032 |
}
|
|
2033 |
wrong_template:
|
|
2034 |
{
|
|
2035 |
GST_WARNING_OBJECT (qtmux, "This is not our template!");
|
|
2036 |
return NULL;
|
|
2037 |
}
|
|
2038 |
}
|
|
2039 |
|
|
2040 |
static void
|
|
2041 |
gst_qt_mux_get_property (GObject * object,
|
|
2042 |
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
2043 |
{
|
|
2044 |
GstQTMux *qtmux = GST_QT_MUX_CAST (object);
|
|
2045 |
|
|
2046 |
GST_OBJECT_LOCK (qtmux);
|
|
2047 |
switch (prop_id) {
|
|
2048 |
case PROP_LARGE_FILE:
|
|
2049 |
g_value_set_boolean (value, qtmux->large_file);
|
|
2050 |
break;
|
|
2051 |
case PROP_MOVIE_TIMESCALE:
|
|
2052 |
g_value_set_uint (value, qtmux->timescale);
|
|
2053 |
break;
|
|
2054 |
case PROP_DO_CTTS:
|
|
2055 |
g_value_set_boolean (value, qtmux->guess_pts);
|
|
2056 |
break;
|
|
2057 |
case PROP_FAST_START:
|
|
2058 |
g_value_set_boolean (value, qtmux->fast_start);
|
|
2059 |
break;
|
|
2060 |
case PROP_FAST_START_TEMP_FILE:
|
|
2061 |
g_value_set_string (value, qtmux->fast_start_file_path);
|
|
2062 |
break;
|
|
2063 |
default:
|
|
2064 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
2065 |
break;
|
|
2066 |
}
|
|
2067 |
GST_OBJECT_UNLOCK (qtmux);
|
|
2068 |
}
|
|
2069 |
|
|
2070 |
static void
|
|
2071 |
gst_qt_mux_generate_fast_start_file_path (GstQTMux * qtmux)
|
|
2072 |
{
|
|
2073 |
gchar *tmp;
|
|
2074 |
|
|
2075 |
if (qtmux->fast_start_file_path) {
|
|
2076 |
g_free (qtmux->fast_start_file_path);
|
|
2077 |
qtmux->fast_start_file_path = NULL;
|
|
2078 |
}
|
|
2079 |
|
|
2080 |
tmp = g_strdup_printf ("%s%d", "qtmux", g_random_int ());
|
|
2081 |
qtmux->fast_start_file_path = g_build_filename (g_get_tmp_dir (), tmp, NULL);
|
|
2082 |
g_free (tmp);
|
|
2083 |
}
|
|
2084 |
|
|
2085 |
static void
|
|
2086 |
gst_qt_mux_set_property (GObject * object,
|
|
2087 |
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
2088 |
{
|
|
2089 |
GstQTMux *qtmux = GST_QT_MUX_CAST (object);
|
|
2090 |
|
|
2091 |
GST_OBJECT_LOCK (qtmux);
|
|
2092 |
switch (prop_id) {
|
|
2093 |
case PROP_LARGE_FILE:
|
|
2094 |
qtmux->large_file = g_value_get_boolean (value);
|
|
2095 |
break;
|
|
2096 |
case PROP_MOVIE_TIMESCALE:
|
|
2097 |
qtmux->timescale = g_value_get_uint (value);
|
|
2098 |
break;
|
|
2099 |
case PROP_DO_CTTS:
|
|
2100 |
qtmux->guess_pts = g_value_get_boolean (value);
|
|
2101 |
break;
|
|
2102 |
case PROP_FAST_START:
|
|
2103 |
qtmux->fast_start = g_value_get_boolean (value);
|
|
2104 |
break;
|
|
2105 |
case PROP_FAST_START_TEMP_FILE:
|
|
2106 |
if (qtmux->fast_start_file_path) {
|
|
2107 |
g_free (qtmux->fast_start_file_path);
|
|
2108 |
}
|
|
2109 |
qtmux->fast_start_file_path = g_value_dup_string (value);
|
|
2110 |
/* NULL means to generate a random one */
|
|
2111 |
if (!qtmux->fast_start_file_path) {
|
|
2112 |
gst_qt_mux_generate_fast_start_file_path (qtmux);
|
|
2113 |
}
|
|
2114 |
break;
|
|
2115 |
default:
|
|
2116 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
2117 |
break;
|
|
2118 |
}
|
|
2119 |
GST_OBJECT_UNLOCK (qtmux);
|
|
2120 |
}
|
|
2121 |
|
|
2122 |
static GstStateChangeReturn
|
|
2123 |
gst_qt_mux_change_state (GstElement * element, GstStateChange transition)
|
|
2124 |
{
|
|
2125 |
GstStateChangeReturn ret;
|
|
2126 |
GstQTMux *qtmux = GST_QT_MUX_CAST (element);
|
|
2127 |
|
|
2128 |
switch (transition) {
|
|
2129 |
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
2130 |
break;
|
|
2131 |
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
2132 |
gst_collect_pads_start (qtmux->collect);
|
|
2133 |
qtmux->state = GST_QT_MUX_STATE_STARTED;
|
|
2134 |
break;
|
|
2135 |
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
2136 |
break;
|
|
2137 |
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
2138 |
gst_collect_pads_stop (qtmux->collect);
|
|
2139 |
break;
|
|
2140 |
default:
|
|
2141 |
break;
|
|
2142 |
}
|
|
2143 |
|
|
2144 |
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
2145 |
|
|
2146 |
switch (transition) {
|
|
2147 |
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
2148 |
break;
|
|
2149 |
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
2150 |
gst_qt_mux_reset (qtmux, TRUE);
|
|
2151 |
break;
|
|
2152 |
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
2153 |
break;
|
|
2154 |
default:
|
|
2155 |
break;
|
|
2156 |
}
|
|
2157 |
|
|
2158 |
return ret;
|
|
2159 |
}
|
|
2160 |
|
|
2161 |
|
|
2162 |
gboolean
|
|
2163 |
gst_qt_mux_register (GstPlugin * plugin)
|
|
2164 |
{
|
|
2165 |
GTypeInfo typeinfo = {
|
|
2166 |
sizeof (GstQTMuxClass),
|
|
2167 |
(GBaseInitFunc) gst_qt_mux_base_init,
|
|
2168 |
NULL,
|
|
2169 |
(GClassInitFunc) gst_qt_mux_class_init,
|
|
2170 |
NULL,
|
|
2171 |
NULL,
|
|
2172 |
sizeof (GstQTMux),
|
|
2173 |
0,
|
|
2174 |
(GInstanceInitFunc) gst_qt_mux_init,
|
|
2175 |
};
|
|
2176 |
static const GInterfaceInfo tag_setter_info = {
|
|
2177 |
NULL, NULL, NULL
|
|
2178 |
};
|
|
2179 |
GType type;
|
|
2180 |
GstQTMuxFormat format;
|
|
2181 |
GstQTMuxClassParams *params;
|
|
2182 |
guint i = 0;
|
|
2183 |
|
|
2184 |
GST_LOG ("Registering muxers");
|
|
2185 |
|
|
2186 |
while (TRUE) {
|
|
2187 |
GstQTMuxFormatProp *prop;
|
|
2188 |
|
|
2189 |
prop = &gst_qt_mux_format_list[i];
|
|
2190 |
format = prop->format;
|
|
2191 |
if (format == GST_QT_MUX_FORMAT_NONE)
|
|
2192 |
break;
|
|
2193 |
|
|
2194 |
/* create a cache for these properties */
|
|
2195 |
params = g_new0 (GstQTMuxClassParams, 1);
|
|
2196 |
params->prop = prop;
|
|
2197 |
params->src_caps = gst_static_caps_get (&prop->src_caps);
|
|
2198 |
params->video_sink_caps = gst_static_caps_get (&prop->video_sink_caps);
|
|
2199 |
params->audio_sink_caps = gst_static_caps_get (&prop->audio_sink_caps);
|
|
2200 |
|
|
2201 |
/* create the type now */
|
|
2202 |
type = g_type_register_static (GST_TYPE_ELEMENT, prop->type_name, &typeinfo,
|
|
2203 |
0);
|
|
2204 |
g_type_set_qdata (type, GST_QT_MUX_PARAMS_QDATA, (gpointer) params);
|
|
2205 |
g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
|
|
2206 |
|
|
2207 |
if (!gst_element_register (plugin, prop->name, GST_RANK_PRIMARY, type))
|
|
2208 |
return FALSE;
|
|
2209 |
|
|
2210 |
i++;
|
|
2211 |
}
|
|
2212 |
|
|
2213 |
GST_LOG ("Finished registering muxers");
|
|
2214 |
|
|
2215 |
return TRUE;
|
|
2216 |
}
|
|
2217 |
|
|
2218 |
gboolean
|
|
2219 |
gst_qt_mux_plugin_init (GstPlugin * plugin)
|
|
2220 |
{
|
|
2221 |
GST_DEBUG_CATEGORY_INIT (gst_qt_mux_debug, "qtmux", 0, "QT Muxer");
|
|
2222 |
|
|
2223 |
return gst_qt_mux_register (plugin);
|
|
2224 |
}
|
|
2225 |
|
|
2226 |
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
2227 |
GST_VERSION_MINOR,
|
|
2228 |
"qtmux",
|
|
2229 |
"Quicktime Muxer plugin",
|
|
2230 |
gst_qt_mux_plugin_init, VERSION, "LGPL", "gsoc2008 package",
|
|
2231 |
"embedded.ufcg.edu.br")
|
|
2232 |
|
|
2233 |
EXPORT_C GstPluginDesc* _GST_PLUGIN_DESC()
|
|
2234 |
{
|
|
2235 |
return &gst_plugin_desc;
|
|
2236 |
}
|