--- a/gst_plugins_good/gst/auparse/gstauparse.c Tue Jul 06 14:35:10 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,726 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- * Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-/**
- * SECTION:element-auparse
- *
- * Parses .au files mostly originating from sun os based computers.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "gstauparse.h"
-#include <gst/audio/audio.h>
-
-GST_DEBUG_CATEGORY_STATIC (auparse_debug);
-#define GST_CAT_DEFAULT (auparse_debug)
-
-static const GstElementDetails gst_au_parse_details =
-GST_ELEMENT_DETAILS ("AU audio demuxer",
- "Codec/Demuxer/Audio",
- "Parse an .au file into raw audio",
- "Erik Walthinsen <omega@cse.ogi.edu>");
-
-static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-au")
- );
-
-#define GST_AU_PARSE_ALAW_PAD_TEMPLATE_CAPS \
- "audio/x-alaw, " \
- "rate = (int) [ 8000, 192000 ], " \
- "channels = (int) [ 1, 2 ]"
-
-#define GST_AU_PARSE_MULAW_PAD_TEMPLATE_CAPS \
- "audio/x-mulaw, " \
- "rate = (int) [ 8000, 192000 ], " \
- "channels = (int) [ 1, 2 ]"
-
-/* Nothing to decode those ADPCM streams for now */
-#define GST_AU_PARSE_ADPCM_PAD_TEMPLATE_CAPS \
- "audio/x-adpcm, " \
- "layout = (string) { g721, g722, g723_3, g723_5 }"
-
-static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_SOMETIMES,
- GST_STATIC_CAPS (GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; "
- GST_AUDIO_FLOAT_PAD_TEMPLATE_CAPS ";"
- GST_AU_PARSE_ALAW_PAD_TEMPLATE_CAPS ";"
- GST_AU_PARSE_MULAW_PAD_TEMPLATE_CAPS ";"
- GST_AU_PARSE_ADPCM_PAD_TEMPLATE_CAPS));
-
-
-static void gst_au_parse_dispose (GObject * object);
-static GstFlowReturn gst_au_parse_chain (GstPad * pad, GstBuffer * buf);
-static GstStateChangeReturn gst_au_parse_change_state (GstElement * element,
- GstStateChange transition);
-static void gst_au_parse_reset (GstAuParse * auparse);
-static gboolean gst_au_parse_remove_srcpad (GstAuParse * auparse);
-static gboolean gst_au_parse_add_srcpad (GstAuParse * auparse, GstCaps * caps);
-static gboolean gst_au_parse_src_query (GstPad * pad, GstQuery * query);
-static gboolean gst_au_parse_src_event (GstPad * pad, GstEvent * event);
-static gboolean gst_au_parse_sink_event (GstPad * pad, GstEvent * event);
-
-GST_BOILERPLATE (GstAuParse, gst_au_parse, GstElement, GST_TYPE_ELEMENT);
-
-static void
-gst_au_parse_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_template));
- gst_element_class_set_details (element_class, &gst_au_parse_details);
-
- GST_DEBUG_CATEGORY_INIT (auparse_debug, "auparse", 0, ".au parser");
-}
-
-static void
-gst_au_parse_class_init (GstAuParseClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- gobject_class->dispose = gst_au_parse_dispose;
-
- gstelement_class->change_state =
- GST_DEBUG_FUNCPTR (gst_au_parse_change_state);
-}
-
-static void
-gst_au_parse_init (GstAuParse * auparse, GstAuParseClass * klass)
-{
- auparse->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
- gst_pad_set_chain_function (auparse->sinkpad,
- GST_DEBUG_FUNCPTR (gst_au_parse_chain));
- gst_pad_set_event_function (auparse->sinkpad,
- GST_DEBUG_FUNCPTR (gst_au_parse_sink_event));
- gst_element_add_pad (GST_ELEMENT (auparse), auparse->sinkpad);
-
- auparse->srcpad = NULL;
- auparse->adapter = gst_adapter_new ();
- gst_au_parse_reset (auparse);
-}
-
-static void
-gst_au_parse_dispose (GObject * object)
-{
- GstAuParse *au = GST_AU_PARSE (object);
-
- if (au->adapter != NULL) {
- g_object_unref (au->adapter);
- au->adapter = NULL;
- }
- G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-gst_au_parse_reset (GstAuParse * auparse)
-{
- gst_au_parse_remove_srcpad (auparse);
-
- auparse->offset = 0;
- auparse->buffer_offset = 0;
- auparse->encoding = 0;
- auparse->samplerate = 0;
- auparse->channels = 0;
-
- gst_adapter_clear (auparse->adapter);
-
- /* gst_segment_init (&auparse->segment, GST_FORMAT_TIME); */
-}
-
-static gboolean
-gst_au_parse_add_srcpad (GstAuParse * auparse, GstCaps * new_caps)
-{
- if (auparse->src_caps && gst_caps_is_equal (new_caps, auparse->src_caps)) {
- GST_LOG_OBJECT (auparse, "same caps, nothing to do");
- return TRUE;
- }
-
- gst_caps_replace (&auparse->src_caps, new_caps);
- if (auparse->srcpad != NULL) {
- GST_DEBUG_OBJECT (auparse, "Changing src pad caps to %" GST_PTR_FORMAT,
- auparse->src_caps);
- gst_pad_set_caps (auparse->srcpad, auparse->src_caps);
- }
-
- if (auparse->srcpad == NULL) {
- auparse->srcpad = gst_pad_new_from_static_template (&src_template, "src");
- g_return_val_if_fail (auparse->srcpad != NULL, FALSE);
-
-#if 0
- gst_pad_set_query_type_function (auparse->srcpad,
- GST_DEBUG_FUNCPTR (gst_au_parse_src_get_query_types));
-#endif
- gst_pad_set_query_function (auparse->srcpad,
- GST_DEBUG_FUNCPTR (gst_au_parse_src_query));
- gst_pad_set_event_function (auparse->srcpad,
- GST_DEBUG_FUNCPTR (gst_au_parse_src_event));
-
- gst_pad_use_fixed_caps (auparse->srcpad);
- gst_pad_set_active (auparse->srcpad, TRUE);
-
- if (auparse->src_caps)
- gst_pad_set_caps (auparse->srcpad, auparse->src_caps);
-
- GST_DEBUG_OBJECT (auparse, "Adding src pad with caps %" GST_PTR_FORMAT,
- auparse->src_caps);
-
- gst_object_ref (auparse->srcpad);
- if (!gst_element_add_pad (GST_ELEMENT (auparse), auparse->srcpad))
- return FALSE;
- gst_element_no_more_pads (GST_ELEMENT (auparse));
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_au_parse_remove_srcpad (GstAuParse * auparse)
-{
- gboolean res = TRUE;
-
- if (auparse->srcpad != NULL) {
- GST_DEBUG_OBJECT (auparse, "Removing src pad");
- res = gst_element_remove_pad (GST_ELEMENT (auparse), auparse->srcpad);
- g_return_val_if_fail (res != FALSE, FALSE);
- gst_object_unref (auparse->srcpad);
- auparse->srcpad = NULL;
- }
-
- return res;
-}
-
-static GstFlowReturn
-gst_au_parse_parse_header (GstAuParse * auparse)
-{
- GstCaps *tempcaps;
- guint32 size;
- guint8 *head;
- gchar layout[7] = { 0, };
- gint law = 0, depth = 0, ieee = 0;
-
- head = (guint8 *) gst_adapter_peek (auparse->adapter, 24);
- g_assert (head != NULL);
-
- GST_DEBUG_OBJECT (auparse, "[%c%c%c%c]", head[0], head[1], head[2], head[3]);
-
- switch (GST_READ_UINT32_BE (head)) {
- /* normal format is big endian (au is a Sparc format) */
- case 0x2e736e64:{ /* ".snd" */
- auparse->endianness = G_BIG_ENDIAN;
- break;
- }
- /* and of course, someone had to invent a little endian
- * version. Used by DEC systems. */
- case 0x646e732e: /* dns. */
- case 0x0064732e:{ /* other source say it is "dns." */
- auparse->endianness = G_LITTLE_ENDIAN;
- break;
- }
- default:{
- goto unknown_header;
- }
- }
-
- auparse->offset = GST_READ_UINT32_BE (head + 4);
- /* Do not trust size, could be set to -1 : unknown */
- size = GST_READ_UINT32_BE (head + 8);
- auparse->encoding = GST_READ_UINT32_BE (head + 12);
- auparse->samplerate = GST_READ_UINT32_BE (head + 16);
- auparse->channels = GST_READ_UINT32_BE (head + 20);
-
- if (auparse->samplerate < 8000 || auparse->samplerate > 192000)
- goto unsupported_sample_rate;
-
- if (auparse->channels < 1 || auparse->channels > 2)
- goto unsupported_number_of_channels;
-
- GST_DEBUG_OBJECT (auparse, "offset %" G_GINT64_FORMAT ", size %u, "
- "encoding %u, frequency %u, channels %u", auparse->offset, size,
- auparse->encoding, auparse->samplerate, auparse->channels);
-
- /* Docs:
- * http://www.opengroup.org/public/pubs/external/auformat.html
- * http://astronomy.swin.edu.au/~pbourke/dataformats/au/
- * Solaris headers : /usr/include/audio/au.h
- * libsndfile : src/au.c
- *
- * Samples :
- * http://www.tsp.ece.mcgill.ca/MMSP/Documents/AudioFormats/AU/Samples.html
- */
-
- switch (auparse->encoding) {
- case 1: /* 8-bit ISDN mu-law G.711 */
- law = 1;
- depth = 8;
- break;
- case 27: /* 8-bit ISDN A-law G.711 */
- law = 2;
- depth = 8;
- break;
-
- case 2: /* 8-bit linear PCM */
- depth = 8;
- break;
- case 3: /* 16-bit linear PCM */
- depth = 16;
- break;
- case 4: /* 24-bit linear PCM */
- depth = 24;
- break;
- case 5: /* 32-bit linear PCM */
- depth = 32;
- break;
-
- case 6: /* 32-bit IEEE floating point */
- ieee = 1;
- depth = 32;
- break;
- case 7: /* 64-bit IEEE floating point */
- ieee = 1;
- depth = 64;
- break;
-
- case 23: /* 4-bit CCITT G.721 ADPCM 32kbps -> modplug/libsndfile (compressed 8-bit mu-law) */
- strcpy (layout, "g721");
- break;
- case 24: /* 8-bit CCITT G.722 ADPCM -> rtp */
- strcpy (layout, "g722");
- break;
- case 25: /* 3-bit CCITT G.723.3 ADPCM 24kbps -> rtp/xine/modplug/libsndfile */
- strcpy (layout, "g723_3");
- break;
- case 26: /* 5-bit CCITT G.723.5 ADPCM 40kbps -> rtp/xine/modplug/libsndfile */
- strcpy (layout, "g723_5");
- break;
-
- case 8: /* Fragmented sample data */
- case 9: /* AU_ENCODING_NESTED */
-
- case 10: /* DSP program */
- case 11: /* DSP 8-bit fixed point */
- case 12: /* DSP 16-bit fixed point */
- case 13: /* DSP 24-bit fixed point */
- case 14: /* DSP 32-bit fixed point */
-
- case 16: /* AU_ENCODING_DISPLAY : non-audio display data */
- case 17: /* AU_ENCODING_MULAW_SQUELCH */
-
- case 18: /* 16-bit linear with emphasis */
- case 19: /* 16-bit linear compressed (NeXT) */
- case 20: /* 16-bit linear with emphasis and compression */
-
- case 21: /* Music kit DSP commands */
- case 22: /* Music kit DSP commands samples */
-
- default:
- goto unknown_format;
- }
-
- if (law) {
- tempcaps =
- gst_caps_new_simple ((law == 1) ? "audio/x-mulaw" : "audio/x-alaw",
- "rate", G_TYPE_INT, auparse->samplerate,
- "channels", G_TYPE_INT, auparse->channels, NULL);
- auparse->sample_size = auparse->channels;
- } else if (ieee) {
- tempcaps = gst_caps_new_simple ("audio/x-raw-float",
- "rate", G_TYPE_INT, auparse->samplerate,
- "channels", G_TYPE_INT, auparse->channels,
- "endianness", G_TYPE_INT, auparse->endianness,
- "width", G_TYPE_INT, depth, NULL);
- auparse->sample_size = auparse->channels * depth / 8;
- } else if (layout[0]) {
- tempcaps = gst_caps_new_simple ("audio/x-adpcm",
- "layout", G_TYPE_STRING, layout, NULL);
- auparse->sample_size = 0;
- } else {
- tempcaps = gst_caps_new_simple ("audio/x-raw-int",
- "rate", G_TYPE_INT, auparse->samplerate,
- "channels", G_TYPE_INT, auparse->channels,
- "endianness", G_TYPE_INT, auparse->endianness,
- "depth", G_TYPE_INT, depth, "width", G_TYPE_INT, depth,
- /* FIXME: signed TRUE even for 8-bit PCM? */
- "signed", G_TYPE_BOOLEAN, TRUE, NULL);
- auparse->sample_size = auparse->channels * depth / 8;
- }
-
- GST_DEBUG_OBJECT (auparse, "sample_size=%d", auparse->sample_size);
-
- if (!gst_au_parse_add_srcpad (auparse, tempcaps))
- goto add_pad_failed;
-
- GST_DEBUG_OBJECT (auparse, "offset=%" G_GINT64_FORMAT, auparse->offset);
- gst_adapter_flush (auparse->adapter, auparse->offset);
-
- gst_caps_unref (tempcaps);
- return GST_FLOW_OK;
-
- /* ERRORS */
-unknown_header:
- {
- GST_ELEMENT_ERROR (auparse, STREAM, WRONG_TYPE, (NULL), (NULL));
- return GST_FLOW_ERROR;
- }
-unsupported_sample_rate:
- {
- GST_ELEMENT_ERROR (auparse, STREAM, FORMAT, (NULL),
- ("Unsupported samplerate: %u", auparse->samplerate));
- return GST_FLOW_ERROR;
- }
-unsupported_number_of_channels:
- {
- GST_ELEMENT_ERROR (auparse, STREAM, FORMAT, (NULL),
- ("Unsupported number of channels: %u", auparse->channels));
- return GST_FLOW_ERROR;
- }
-unknown_format:
- {
- GST_ELEMENT_ERROR (auparse, STREAM, FORMAT, (NULL),
- ("Unsupported encoding: %u", auparse->encoding));
- return GST_FLOW_ERROR;
- }
-add_pad_failed:
- {
- GST_ELEMENT_ERROR (auparse, STREAM, FAILED, (NULL),
- ("Failed to add srcpad"));
- gst_caps_unref (tempcaps);
- return GST_FLOW_ERROR;
- }
-}
-
-#define AU_HEADER_SIZE 24
-
-static GstFlowReturn
-gst_au_parse_chain (GstPad * pad, GstBuffer * buf)
-{
- GstFlowReturn ret = GST_FLOW_OK;
- GstAuParse *auparse;
- gint avail, sendnow = 0;
-
- auparse = GST_AU_PARSE (gst_pad_get_parent (pad));
-
- GST_LOG_OBJECT (auparse, "got buffer of size %u", GST_BUFFER_SIZE (buf));
-
- gst_adapter_push (auparse->adapter, buf);
- buf = NULL;
-
- /* if we haven't seen any data yet... */
- if (auparse->srcpad == NULL) {
- if (gst_adapter_available (auparse->adapter) < AU_HEADER_SIZE) {
- GST_DEBUG_OBJECT (auparse, "need more data to parse header");
- ret = GST_FLOW_OK;
- goto out;
- }
-
- ret = gst_au_parse_parse_header (auparse);
- if (ret != GST_FLOW_OK)
- goto out;
-
- gst_pad_push_event (auparse->srcpad,
- gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_DEFAULT,
- 0, GST_CLOCK_TIME_NONE, 0));
- }
-
- avail = gst_adapter_available (auparse->adapter);
-
- if (auparse->sample_size > 0) {
- /* Ensure we push a buffer that's a multiple of the frame size downstream */
- sendnow = avail - (avail % auparse->sample_size);
- } else {
- /* It's something non-trivial (such as ADPCM), we don't understand it, so
- * just push downstream and assume it will know what to do with it */
- sendnow = avail;
- }
-
- if (sendnow > 0) {
- GstBuffer *outbuf;
- const guint8 *data;
-
- ret = gst_pad_alloc_buffer_and_set_caps (auparse->srcpad,
- auparse->buffer_offset, sendnow, GST_PAD_CAPS (auparse->srcpad),
- &outbuf);
-
- if (ret != GST_FLOW_OK) {
- GST_DEBUG_OBJECT (auparse, "pad alloc flow: %s", gst_flow_get_name (ret));
- goto out;
- }
-
- data = gst_adapter_peek (auparse->adapter, sendnow);
- memcpy (GST_BUFFER_DATA (outbuf), data, sendnow);
- gst_adapter_flush (auparse->adapter, sendnow);
-
- auparse->buffer_offset += sendnow;
-
- ret = gst_pad_push (auparse->srcpad, outbuf);
- }
-
-out:
-
- gst_object_unref (auparse);
- return ret;
-}
-
-static gboolean
-gst_au_parse_src_convert (GstAuParse * auparse, GstFormat src_format,
- gint64 srcval, GstFormat dest_format, gint64 * destval)
-{
- gboolean ret = TRUE;
- guint samplesize, rate;
-
- if (dest_format == src_format) {
- *destval = srcval;
- return TRUE;
- }
-
- GST_OBJECT_LOCK (auparse);
- samplesize = auparse->sample_size;
- rate = auparse->samplerate;
- GST_OBJECT_UNLOCK (auparse);
-
- if (samplesize == 0 || rate == 0) {
- GST_LOG_OBJECT (auparse, "cannot convert, sample_size or rate unknown");
- return FALSE;
- }
-
- switch (src_format) {
- case GST_FORMAT_BYTES:
- srcval /= samplesize;
- /* fallthrough */
- case GST_FORMAT_DEFAULT:{
- switch (dest_format) {
- case GST_FORMAT_BYTES:
- *destval = srcval * samplesize;
- break;
- case GST_FORMAT_TIME:
- *destval = gst_util_uint64_scale_int (srcval, GST_SECOND, rate);
- break;
- default:
- ret = FALSE;
- break;
- }
- break;
- }
- case GST_FORMAT_TIME:{
- switch (dest_format) {
- case GST_FORMAT_BYTES:
- *destval =
- gst_util_uint64_scale_int (srcval, rate * samplesize, GST_SECOND);
- break;
- case GST_FORMAT_DEFAULT:
- *destval = gst_util_uint64_scale_int (srcval, rate, GST_SECOND);
- break;
- default:
- ret = FALSE;
- break;
- }
- break;
- }
- default:{
- ret = FALSE;
- break;
- }
- }
-
- if (!ret) {
- GST_DEBUG_OBJECT (auparse, "could not convert from %s to %s format",
- gst_format_get_name (src_format), gst_format_get_name (dest_format));
- }
-
- return ret;
-}
-
-static gboolean
-gst_au_parse_src_query (GstPad * pad, GstQuery * query)
-{
- GstAuParse *auparse;
- gboolean ret = FALSE;
-
- auparse = GST_AU_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_DURATION:{
- GstFormat bformat = GST_FORMAT_BYTES;
- GstFormat format;
- gint64 len, val;
-
- gst_query_parse_duration (query, &format, NULL);
- if (!gst_pad_query_peer_duration (auparse->sinkpad, &bformat, &len)) {
- GST_DEBUG_OBJECT (auparse, "failed to query upstream length");
- break;
- }
- GST_OBJECT_LOCK (auparse);
- len -= auparse->offset;
- GST_OBJECT_UNLOCK (auparse);
-
- ret = gst_au_parse_src_convert (auparse, GST_FORMAT_BYTES, len,
- format, &val);
-
- if (ret) {
- gst_query_set_duration (query, format, val);
- }
- break;
- }
- case GST_QUERY_POSITION:{
- GstFormat bformat = GST_FORMAT_BYTES;
- GstFormat format;
- gint64 pos, val;
-
- gst_query_parse_position (query, &format, NULL);
- if (!gst_pad_query_peer_position (auparse->sinkpad, &bformat, &pos)) {
- GST_DEBUG_OBJECT (auparse, "failed to query upstream position");
- break;
- }
- GST_OBJECT_LOCK (auparse);
- pos -= auparse->offset;
- GST_OBJECT_UNLOCK (auparse);
-
- ret = gst_au_parse_src_convert (auparse, GST_FORMAT_BYTES, pos,
- format, &val);
-
- if (ret) {
- gst_query_set_position (query, format, val);
- }
- break;
- }
- default:
- ret = gst_pad_query_default (pad, query);
- break;
- }
-
- gst_object_unref (auparse);
- return ret;
-}
-
-static gboolean
-gst_au_parse_handle_seek (GstAuParse * auparse, GstEvent * event)
-{
- GstSeekType start_type, stop_type;
- GstSeekFlags flags;
- GstFormat format;
- gdouble rate;
- gint64 start, stop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
- &stop_type, &stop);
-
- if (format != GST_FORMAT_TIME) {
- GST_DEBUG_OBJECT (auparse, "only support seeks in TIME format");
- return FALSE;
- }
-
- /* FIXME: implement seeking */
- return FALSE;
-}
-
-static gboolean
-gst_au_parse_sink_event (GstPad * pad, GstEvent * event)
-{
- GstAuParse *auparse;
- gboolean ret;
-
- auparse = GST_AU_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- default:
- ret = gst_pad_event_default (pad, event);
- break;
- }
-
- gst_object_unref (auparse);
- return ret;
-}
-
-static gboolean
-gst_au_parse_src_event (GstPad * pad, GstEvent * event)
-{
- GstAuParse *auparse;
- gboolean ret;
-
- auparse = GST_AU_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- ret = gst_au_parse_handle_seek (auparse, event);
- break;
- default:
- ret = gst_pad_event_default (pad, event);
- break;
- }
-
- gst_object_unref (auparse);
- return ret;
-}
-
-static GstStateChangeReturn
-gst_au_parse_change_state (GstElement * element, GstStateChange transition)
-{
- GstAuParse *auparse = GST_AU_PARSE (element);
- GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
-
- ret = parent_class->change_state (element, transition);
- if (ret == GST_STATE_CHANGE_FAILURE)
- return ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_au_parse_reset (auparse);
- default:
- break;
- }
-
- return ret;
-}
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- if (!gst_element_register (plugin, "auparse", GST_RANK_SECONDARY,
- GST_TYPE_AU_PARSE)) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "auparse",
- "parses au streams", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME,
- GST_PACKAGE_ORIGIN)
-
-EXPORT_C GstPluginDesc* _GST_PLUGIN_DESC()
-{
- return &gst_plugin_desc;
-}