mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
0e141ff4ce
Original commit message from CVS: * ext/vorbis/vorbisdec.c: (vorbis_dec_chain): Initialise b_o_s and e_o_s variables * gst-libs/gst/riff/riff-media.c: (gst_riff_create_video_caps_with_data): Add some unusual fourcc's from mplayer avi's * gst/multipart/multipartmux.c: (gst_multipart_mux_plugin_init): Make the muxer have rank GST_RANK_NONE, so it doesn't mess up autoplugging.
567 lines
18 KiB
C
567 lines
18 KiB
C
/* GStreamer RIFF I/O
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* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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*
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* riff-media.h: RIFF-id to/from caps routines
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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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "riff-ids.h"
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#include "riff-media.h"
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/**
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* gst_riff_create_video_caps_with_data:
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* @codec_fcc: fourCC codec for this codec.
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* @strh: pointer to the strh stream header structure.
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* @strf: pointer to the strf stream header structure, including any
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* data that is within the range of strf.size, but excluding any
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* additional data withint this chunk but outside strf.size.
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* @strf_data: a #GstBuffer containing the additional data in the strf
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* chunk outside reach of strf.size. Ususally a palette.
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* @strd_data: a #GstBuffer containing the data in the strd stream header
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* chunk. Usually codec initialization data.
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* @codec_name: if given, will be filled with a human-readable codec name.
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*/
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GstCaps *
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gst_riff_create_video_caps_with_data (guint32 codec_fcc,
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gst_riff_strh * strh, gst_riff_strf_vids * strf,
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GstBuffer * strf_data, GstBuffer * strd_data, char **codec_name)
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{
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GstCaps *caps = NULL;
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switch (codec_fcc) {
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case GST_MAKE_FOURCC ('I', '4', '2', '0'):
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caps = gst_caps_new_simple ("video/x-raw-yuv",
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"format", GST_TYPE_FOURCC, codec_fcc, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Uncompressed planar YUV 4:2:0");
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break;
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case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
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caps = gst_caps_new_simple ("video/x-raw-yuv",
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"format", GST_TYPE_FOURCC, codec_fcc, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Uncompressed packed YUV 4:2:2");
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break;
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case GST_MAKE_FOURCC ('M', 'J', 'P', 'G'): /* YUY2 MJPEG */
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caps = gst_caps_new_simple ("image/jpeg", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Motion JPEG");
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break;
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case GST_MAKE_FOURCC ('J', 'P', 'E', 'G'): /* generic (mostly RGB) MJPEG */
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caps = gst_caps_new_simple ("image/jpeg", NULL);
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if (codec_name)
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*codec_name = g_strdup ("JPEG Still Image");
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break;
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case GST_MAKE_FOURCC ('P', 'I', 'X', 'L'): /* Miro/Pinnacle fourccs */
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case GST_MAKE_FOURCC ('V', 'I', 'X', 'L'): /* Miro/Pinnacle fourccs */
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caps = gst_caps_new_simple ("image/jpeg", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Miro/Pinnacle Motion JPEG Video");
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break;
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case GST_MAKE_FOURCC ('H', 'F', 'Y', 'U'):
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caps = gst_caps_new_simple ("video/x-huffyuv", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Huffman Lossless Codec");
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break;
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case GST_MAKE_FOURCC ('M', 'P', 'E', 'G'):
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case GST_MAKE_FOURCC ('M', 'P', 'G', 'I'):
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case GST_MAKE_FOURCC ('m', 'p', 'g', '1'):
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case GST_MAKE_FOURCC ('M', 'P', 'G', '1'):
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caps = gst_caps_new_simple ("video/mpeg",
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"systemstream", G_TYPE_BOOLEAN, FALSE,
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"mpegversion", G_TYPE_INT, 1, NULL);
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if (codec_name)
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*codec_name = g_strdup ("MPEG video");
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break;
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case GST_MAKE_FOURCC ('M', 'P', 'G', '2'):
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case GST_MAKE_FOURCC ('m', 'p', 'g', '2'):
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caps = gst_caps_new_simple ("video/mpeg",
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"systemstream", G_TYPE_BOOLEAN, FALSE,
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"mpegversion", G_TYPE_INT, 2, NULL);
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if (codec_name)
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*codec_name = g_strdup ("MPEG 2 video");
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break;
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case GST_MAKE_FOURCC ('H', '2', '6', '3'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("ITU H.26n");
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break;
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case GST_MAKE_FOURCC ('i', '2', '6', '3'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("ITU H.263");
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break;
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case GST_MAKE_FOURCC ('L', '2', '6', '3'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Lead H.263");
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break;
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case GST_MAKE_FOURCC ('M', '2', '6', '3'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft H.263");
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break;
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case GST_MAKE_FOURCC ('V', 'D', 'O', 'W'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("VDOLive");
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break;
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case GST_MAKE_FOURCC ('V', 'I', 'V', 'O'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Vivo H.263");
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break;
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case GST_MAKE_FOURCC ('x', '2', '6', '3'):
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caps = gst_caps_new_simple ("video/x-h263", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Xirlink H.263");
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break;
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case GST_MAKE_FOURCC ('D', 'I', 'V', '3'):
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case GST_MAKE_FOURCC ('d', 'i', 'v', '3'):
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case GST_MAKE_FOURCC ('D', 'I', 'V', '4'):
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case GST_MAKE_FOURCC ('d', 'i', 'v', '4'):
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case GST_MAKE_FOURCC ('D', 'I', 'V', '5'):
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case GST_MAKE_FOURCC ('d', 'i', 'v', '5'):
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case GST_MAKE_FOURCC ('D', 'I', 'V', '6'):
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case GST_MAKE_FOURCC ('d', 'i', 'v', '6'):
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caps = gst_caps_new_simple ("video/x-divx",
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"divxversion", G_TYPE_INT, 3, NULL);
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if (codec_name)
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*codec_name = g_strdup ("DivX MS-MPEG-4 Version 3");
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break;
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case GST_MAKE_FOURCC ('d', 'i', 'v', 'x'):
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case GST_MAKE_FOURCC ('D', 'I', 'V', 'X'):
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caps = gst_caps_new_simple ("video/x-divx",
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"divxversion", G_TYPE_INT, 4, NULL);
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if (codec_name)
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*codec_name = g_strdup ("DivX MPEG-4 Version 4");
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break;
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case GST_MAKE_FOURCC ('D', 'X', '5', '0'):
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caps = gst_caps_new_simple ("video/x-divx",
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"divxversion", G_TYPE_INT, 5, NULL);
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if (codec_name)
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*codec_name = g_strdup ("DivX MPEG-4 Version 5");
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break;
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case GST_MAKE_FOURCC ('X', 'V', 'I', 'D'):
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case GST_MAKE_FOURCC ('x', 'v', 'i', 'd'):
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caps = gst_caps_new_simple ("video/x-xvid", NULL);
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if (codec_name)
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*codec_name = g_strdup ("XVID MPEG-4");
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break;
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case GST_MAKE_FOURCC ('M', 'P', 'G', '4'):
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caps = gst_caps_new_simple ("video/x-msmpeg",
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"msmpegversion", G_TYPE_INT, 41, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft MPEG-4 4.1");
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break;
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case GST_MAKE_FOURCC ('M', 'P', '4', '2'):
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caps = gst_caps_new_simple ("video/x-msmpeg",
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"msmpegversion", G_TYPE_INT, 42, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft MPEG-4 4.2");
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break;
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case GST_MAKE_FOURCC ('M', 'P', '4', '3'):
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caps = gst_caps_new_simple ("video/x-msmpeg",
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"msmpegversion", G_TYPE_INT, 43, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft MPEG-4 4.3");
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break;
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case GST_MAKE_FOURCC ('3', 'I', 'V', '1'):
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case GST_MAKE_FOURCC ('3', 'I', 'V', '2'):
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caps = gst_caps_new_simple ("video/x-3ivx", NULL);
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if (codec_name)
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*codec_name = g_strdup ("3ivx");
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break;
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case GST_MAKE_FOURCC ('D', 'V', 'S', 'D'):
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case GST_MAKE_FOURCC ('d', 'v', 's', 'd'):
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caps = gst_caps_new_simple ("video/x-dv",
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"systemstream", G_TYPE_BOOLEAN, FALSE, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Generic DV");
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break;
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case GST_MAKE_FOURCC ('W', 'M', 'V', '1'):
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caps = gst_caps_new_simple ("video/x-wmv",
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"wmvversion", G_TYPE_INT, 1, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft Windows Media 7 (WMV1)");
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break;
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case GST_MAKE_FOURCC ('W', 'M', 'V', '2'):
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caps = gst_caps_new_simple ("video/x-wmv",
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"wmvversion", G_TYPE_INT, 2, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft Windows Media 8 (WMV2)");
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break;
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case GST_MAKE_FOURCC ('W', 'M', 'V', '3'):
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caps = gst_caps_new_simple ("video/x-wmv",
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"wmvversion", G_TYPE_INT, 3, NULL);
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if (codec_name)
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*codec_name = g_strdup ("Microsoft Windows Media 9 (WMV3)");
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break;
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case GST_MAKE_FOURCC ('c', 'v', 'i', 'd'):
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caps = gst_caps_new_simple ("video/x-cinepak", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Cinepak video");
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break;
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case GST_MAKE_FOURCC ('M', 'S', 'V', 'C'):
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case GST_MAKE_FOURCC ('m', 's', 'v', 'c'):
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case GST_MAKE_FOURCC ('C', 'R', 'A', 'M'):
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case GST_MAKE_FOURCC ('c', 'r', 'a', 'm'):
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case GST_MAKE_FOURCC ('W', 'H', 'A', 'M'):
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case GST_MAKE_FOURCC ('w', 'h', 'a', 'm'):
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caps = gst_caps_new_simple ("video/x-msvideocodec",
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"msvideoversion", G_TYPE_INT, 1, NULL);
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if (codec_name)
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*codec_name = g_strdup ("MS video v1");
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break;
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case GST_MAKE_FOURCC ('R', 'L', 'E', ' '):
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case GST_MAKE_FOURCC ('m', 'r', 'l', 'e'):
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case GST_MAKE_FOURCC (0x1, 0x0, 0x0, 0x0): /* why, why, why? */
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caps = gst_caps_new_simple ("video/x-rle",
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"layout", G_TYPE_STRING, "microsoft", NULL);
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if (strf_data && GST_BUFFER_SIZE (strf_data) >= 256 * 4) {
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GstBuffer *copy = gst_buffer_copy (strf_data);
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GValue value = { 0 };
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#if (G_BYTE_ORDER == G_BIG_ENDIAN)
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gint n;
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guint32 *data = (guint32 *) GST_BUFFER_DATA (copy);
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/* own endianness */
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for (n = 0; n < 256; n++)
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data[n] = GUINT32_FROM_LE (data[n]);
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#endif
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g_value_init (&value, GST_TYPE_BUFFER);
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g_value_set_boxed (&value, copy);
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gst_structure_set_value (gst_caps_get_structure (caps, 0),
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"palette_data", &value);
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g_value_unset (&value);
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gst_buffer_unref (copy);
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}
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if (strf) {
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gst_caps_set_simple (caps,
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"depth", G_TYPE_INT, (gint) strf->bit_cnt, NULL);
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} else {
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gst_caps_set_simple (caps, "depth", GST_TYPE_INT_RANGE, 1, 64, NULL);
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}
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if (codec_name)
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*codec_name = g_strdup ("Mcrosoft RLE");
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break;
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default:
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GST_WARNING ("Unknown video fourcc " GST_FOURCC_FORMAT,
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GST_FOURCC_ARGS (codec_fcc));
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return NULL;
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}
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if (strh != NULL) {
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gdouble fps = 1. * strh->rate / strh->scale;
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gst_caps_set_simple (caps, "framerate", G_TYPE_DOUBLE, fps, NULL);
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} else {
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gst_caps_set_simple (caps,
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"framerate", GST_TYPE_DOUBLE_RANGE, 0., G_MAXDOUBLE, NULL);
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}
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if (strf != NULL) {
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gst_caps_set_simple (caps,
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"width", G_TYPE_INT, strf->width,
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"height", G_TYPE_INT, strf->height, NULL);
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} else {
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gst_caps_set_simple (caps,
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"width", GST_TYPE_INT_RANGE, 16, 4096,
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"height", GST_TYPE_INT_RANGE, 16, 4096, NULL);
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}
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return caps;
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}
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GstCaps *
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gst_riff_create_video_caps (guint32 codec_fcc,
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gst_riff_strh * strh, gst_riff_strf_vids * strf, char **codec_name)
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{
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return gst_riff_create_video_caps_with_data (codec_fcc,
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strh, strf, NULL, NULL, codec_name);
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}
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GstCaps *
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gst_riff_create_audio_caps (guint16 codec_id,
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gst_riff_strh * strh, gst_riff_strf_auds * strf, char **codec_name)
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{
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gboolean block_align = FALSE;
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GstCaps *caps = NULL;
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switch (codec_id) {
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case GST_RIFF_WAVE_FORMAT_MPEGL3: /* mp3 */
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caps = gst_caps_new_simple ("audio/mpeg",
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"mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, 3, NULL);
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if (codec_name)
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*codec_name = g_strdup ("MPEG 1 layer 3");
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break;
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case GST_RIFF_WAVE_FORMAT_MPEGL12: /* mp1 or mp2 */
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caps = gst_caps_new_simple ("audio/mpeg",
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"mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, 2, NULL);
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if (codec_name)
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*codec_name = g_strdup ("MPEG 1 layer 2");
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break;
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case GST_RIFF_WAVE_FORMAT_PCM: /* PCM */
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if (strf != NULL) {
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gint ba = GUINT16_FROM_LE (strf->blockalign);
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gint ch = GUINT16_FROM_LE (strf->channels);
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gint ws = GUINT16_FROM_LE (strf->size);
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caps = gst_caps_new_simple ("audio/x-raw-int",
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"endianness", G_TYPE_INT, G_LITTLE_ENDIAN,
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"width", G_TYPE_INT, (int) (ba * 8 / ch),
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"depth", G_TYPE_INT, ws, "signed", G_TYPE_BOOLEAN, ws != 8, NULL);
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} else {
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caps = gst_caps_from_string ("audio/x-raw-int, "
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"endianness = (int) LITTLE_ENDIAN, "
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"signed = (boolean) { true, false }, "
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"width = (int) { 8, 16 }, " "depth = (int) { 8, 16 }");
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}
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if (codec_name)
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*codec_name = g_strdup ("Uncompressed PCM audio");
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break;
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case GST_RIFF_WAVE_FORMAT_ADPCM:
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caps = gst_caps_new_simple ("audio/x-adpcm",
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"layout", G_TYPE_STRING, "microsoft", NULL);
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if (codec_name)
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*codec_name = g_strdup ("ADPCM audio");
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block_align = TRUE;
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break;
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case GST_RIFF_WAVE_FORMAT_DVI_ADPCM:
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caps = gst_caps_new_simple ("audio/x-adpcm",
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"layout", G_TYPE_STRING, "dvi", NULL);
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if (codec_name)
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*codec_name = g_strdup ("DVI ADPCM audio");
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block_align = TRUE;
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break;
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case GST_RIFF_WAVE_FORMAT_MULAW:
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if (strf != NULL && strf->size != 8) {
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GST_WARNING ("invalid depth (%d) of mulaw audio, overwriting.",
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strf->size);
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}
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caps = gst_caps_new_simple ("audio/x-mulaw", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Mulaw");
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break;
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case GST_RIFF_WAVE_FORMAT_ALAW:
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if (strf != NULL && strf->size != 8) {
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GST_WARNING ("invalid depth (%d) of alaw audio, overwriting.",
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strf->size);
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}
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caps = gst_caps_new_simple ("audio/x-alaw", NULL);
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if (codec_name)
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*codec_name = g_strdup ("Alaw");
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break;
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case GST_RIFF_WAVE_FORMAT_VORBIS1: /* ogg/vorbis mode 1 */
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case GST_RIFF_WAVE_FORMAT_VORBIS2: /* ogg/vorbis mode 2 */
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case GST_RIFF_WAVE_FORMAT_VORBIS3: /* ogg/vorbis mode 3 */
|
|
case GST_RIFF_WAVE_FORMAT_VORBIS1PLUS: /* ogg/vorbis mode 1+ */
|
|
case GST_RIFF_WAVE_FORMAT_VORBIS2PLUS: /* ogg/vorbis mode 2+ */
|
|
case GST_RIFF_WAVE_FORMAT_VORBIS3PLUS: /* ogg/vorbis mode 3+ */
|
|
caps = gst_caps_new_simple ("audio/x-vorbis", NULL);
|
|
if (codec_name)
|
|
*codec_name = g_strdup ("Vorbis");
|
|
break;
|
|
|
|
case GST_RIFF_WAVE_FORMAT_A52:
|
|
caps = gst_caps_new_simple ("audio/x-ac3", NULL);
|
|
if (codec_name)
|
|
*codec_name = g_strdup ("AC3");
|
|
break;
|
|
|
|
default:
|
|
GST_WARNING ("Unknown audio tag 0x%04x", codec_id);
|
|
return NULL;
|
|
}
|
|
|
|
if (strf != NULL) {
|
|
gst_caps_set_simple (caps,
|
|
"rate", G_TYPE_INT, strf->rate,
|
|
"channels", G_TYPE_INT, strf->channels, NULL);
|
|
if (block_align)
|
|
gst_caps_set_simple (caps,
|
|
"block_align", G_TYPE_INT, strf->blockalign, NULL);
|
|
} else {
|
|
gst_caps_set_simple (caps,
|
|
"rate", GST_TYPE_INT_RANGE, 8000, 96000,
|
|
"channels", GST_TYPE_INT_RANGE, 1, 2, NULL);
|
|
if (block_align)
|
|
gst_caps_set_simple (caps,
|
|
"block_align", GST_TYPE_INT_RANGE, 1, 8192, NULL);
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_riff_create_iavs_caps (guint32 codec_fcc,
|
|
gst_riff_strh * strh, gst_riff_strf_iavs * strf, char **codec_name)
|
|
{
|
|
GstCaps *caps = NULL;
|
|
|
|
switch (codec_fcc) {
|
|
/* is this correct? */
|
|
case GST_MAKE_FOURCC ('D', 'V', 'S', 'D'):
|
|
case GST_MAKE_FOURCC ('d', 'v', 's', 'd'):
|
|
caps = gst_caps_new_simple ("video/x-dv",
|
|
"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
|
|
if (codec_name)
|
|
*codec_name = g_strdup ("Generic DV");
|
|
break;
|
|
|
|
default:
|
|
GST_WARNING ("Unknown IAVS fourcc " GST_FOURCC_FORMAT,
|
|
GST_FOURCC_ARGS (codec_fcc));
|
|
return NULL;
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
/*
|
|
* Functions below are for template caps. All is variable.
|
|
*/
|
|
|
|
GstCaps *
|
|
gst_riff_create_video_template_caps (void)
|
|
{
|
|
guint32 tags[] = {
|
|
GST_MAKE_FOURCC ('I', '4', '2', '0'),
|
|
GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'),
|
|
GST_MAKE_FOURCC ('M', 'J', 'P', 'G'),
|
|
GST_MAKE_FOURCC ('D', 'V', 'S', 'D'),
|
|
GST_MAKE_FOURCC ('W', 'M', 'V', '1'),
|
|
GST_MAKE_FOURCC ('W', 'M', 'V', '2'),
|
|
GST_MAKE_FOURCC ('M', 'P', 'G', '4'),
|
|
GST_MAKE_FOURCC ('M', 'P', '4', '2'),
|
|
GST_MAKE_FOURCC ('M', 'P', '4', '3'),
|
|
GST_MAKE_FOURCC ('H', 'F', 'Y', 'U'),
|
|
GST_MAKE_FOURCC ('D', 'I', 'V', '3'),
|
|
GST_MAKE_FOURCC ('M', 'P', 'E', 'G'),
|
|
GST_MAKE_FOURCC ('H', '2', '6', '3'),
|
|
GST_MAKE_FOURCC ('D', 'I', 'V', 'X'),
|
|
GST_MAKE_FOURCC ('X', 'V', 'I', 'D'),
|
|
GST_MAKE_FOURCC ('3', 'I', 'V', '1'),
|
|
GST_MAKE_FOURCC ('c', 'v', 'i', 'd'),
|
|
GST_MAKE_FOURCC ('m', 's', 'v', 'c'),
|
|
GST_MAKE_FOURCC ('R', 'L', 'E', ' '),
|
|
/* FILL ME */
|
|
0
|
|
};
|
|
guint i;
|
|
GstCaps *caps, *one;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 0; tags[i] != 0; i++) {
|
|
one = gst_riff_create_video_caps (tags[i], NULL, NULL, NULL);
|
|
if (one)
|
|
gst_caps_append (caps, one);
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_riff_create_audio_template_caps (void)
|
|
{
|
|
guint16 tags[] = {
|
|
GST_RIFF_WAVE_FORMAT_MPEGL3,
|
|
GST_RIFF_WAVE_FORMAT_MPEGL12,
|
|
GST_RIFF_WAVE_FORMAT_PCM,
|
|
GST_RIFF_WAVE_FORMAT_VORBIS1,
|
|
GST_RIFF_WAVE_FORMAT_A52,
|
|
GST_RIFF_WAVE_FORMAT_ALAW,
|
|
GST_RIFF_WAVE_FORMAT_MULAW,
|
|
GST_RIFF_WAVE_FORMAT_ADPCM,
|
|
GST_RIFF_WAVE_FORMAT_DVI_ADPCM,
|
|
/* FILL ME */
|
|
0
|
|
};
|
|
guint i;
|
|
GstCaps *caps, *one;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 0; tags[i] != 0; i++) {
|
|
one = gst_riff_create_audio_caps (tags[i], NULL, NULL, NULL);
|
|
if (one)
|
|
gst_caps_append (caps, one);
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
GstCaps *
|
|
gst_riff_create_iavs_template_caps (void)
|
|
{
|
|
guint32 tags[] = {
|
|
GST_MAKE_FOURCC ('D', 'V', 'S', 'D'),
|
|
/* FILL ME */
|
|
0
|
|
};
|
|
guint i;
|
|
GstCaps *caps, *one;
|
|
|
|
caps = gst_caps_new_empty ();
|
|
for (i = 0; tags[i] != 0; i++) {
|
|
one = gst_riff_create_iavs_caps (tags[i], NULL, NULL, NULL);
|
|
if (one)
|
|
gst_caps_append (caps, one);
|
|
}
|
|
|
|
return caps;
|
|
}
|