1 /* GStreamer |
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2 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> |
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3 * |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Library General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Library General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Library General Public |
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15 * License along with this library; if not, write to the |
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16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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17 * Boston, MA 02111-1307, USA. |
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18 */ |
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19 |
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20 |
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21 #ifndef __GST_JPEGENC_H__ |
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22 #define __GST_JPEGENC_H__ |
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23 |
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24 |
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25 #include <gst/gst.h> |
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26 /* this is a hack hack hack to get around jpeglib header bugs... */ |
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27 #ifdef HAVE_STDLIB_H |
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28 # undef HAVE_STDLIB_H |
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29 #endif |
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30 #include <jpeglib.h> |
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31 |
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32 G_BEGIN_DECLS |
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33 |
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34 #define GST_TYPE_JPEGENC \ |
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35 (gst_jpegenc_get_type()) |
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36 #define GST_JPEGENC(obj) \ |
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37 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEGENC,GstJpegEnc)) |
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38 #define GST_JPEGENC_CLASS(klass) \ |
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39 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEGENC,GstJpegEnc)) |
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40 #define GST_IS_JPEGENC(obj) \ |
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41 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEGENC)) |
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42 #define GST_IS_JPEGENC_CLASS(obj) \ |
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43 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGENC)) |
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44 |
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45 typedef struct _GstJpegEnc GstJpegEnc; |
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46 typedef struct _GstJpegEncClass GstJpegEncClass; |
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47 |
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48 struct _GstJpegEnc { |
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49 GstElement element; |
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50 |
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51 /* pads */ |
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52 GstPad *sinkpad,*srcpad; |
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53 |
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54 /* video state */ |
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55 gint format; |
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56 gint width; |
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57 gint height; |
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58 /* the video buffer */ |
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59 gint bufsize; |
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60 GstBuffer *buffer; |
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61 guint row_stride; |
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62 /* the jpeg line buffer */ |
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63 guchar **line[3]; |
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64 |
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65 struct jpeg_compress_struct cinfo; |
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66 struct jpeg_error_mgr jerr; |
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67 struct jpeg_destination_mgr jdest; |
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68 |
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69 int quality; |
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70 int smoothing; |
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71 }; |
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72 |
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73 struct _GstJpegEncClass { |
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74 GstElementClass parent_class; |
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75 |
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76 /* signals */ |
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77 void (*frame_encoded) (GstElement *element); |
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78 }; |
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79 |
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80 GType gst_jpegenc_get_type(void); |
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81 |
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82 G_END_DECLS |
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83 |
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84 #endif /* __GST_JPEGENC_H__ */ |
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