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- detect the real audio stream codec (not audio container fourcc)
Original commit message from CVS: - detect the real audio stream codec (not audio container fourcc) - list all known audio/video codecs, bind them to FOURCC and pads
This commit is contained in:
Stéphane Loeuillet
parent
d38f0983b0
commit
0bb14ff2f2
2 changed files with 118 additions and 13 deletions
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@ -505,23 +505,35 @@ gst_rmdemux_get_stream_by_id (GstRMDemux * rmdemux, int id)
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void
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gst_rmdemux_add_stream (GstRMDemux * rmdemux, GstRMDemuxStream * stream)
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{
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int version = 0;
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if (stream->subtype == GST_RMDEMUX_STREAM_VIDEO) {
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stream->pad =
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gst_pad_new_from_template (gst_static_pad_template_get
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(&gst_rmdemux_videosrc_template), g_strdup_printf ("video_%02d",
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rmdemux->n_video_streams));
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switch (stream->fourcc) {
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case GST_MAKE_FOURCC ('R', 'V', '1', '0'):
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case GST_MAKE_FOURCC ('R', 'V', '2', '0'):
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case GST_MAKE_FOURCC ('R', 'V', '3', '0'):
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case GST_MAKE_FOURCC ('R', 'V', '4', '0'):
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stream->caps = gst_caps_new_simple ("video/x-pn-realvideo", NULL);
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/* "systemstream", G_TYPE_BOOLEAN, FALSE,
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"rmversion", G_TYPE_INT, version, NULL); */
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case GST_RM_VDO_RV10:
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version = 1;
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break;
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case GST_RM_VDO_RV20:
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version = 2;
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break;
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case GST_RM_VDO_RV30:
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version = 3;
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break;
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case GST_RM_VDO_RV40:
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version = 4;
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break;
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default:
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g_print ("Unknown video FOURCC code\n");
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}
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if (version) {
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stream->caps =
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gst_caps_new_simple ("video/x-pn-realvideo", "rmversion", G_TYPE_INT,
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(int) version, NULL);
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}
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if (stream->caps) {
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gst_caps_set_simple (stream->caps,
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"width", G_TYPE_INT, stream->width,
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@ -534,14 +546,48 @@ gst_rmdemux_add_stream (GstRMDemux * rmdemux, GstRMDemuxStream * stream)
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(&gst_rmdemux_audiosrc_template), g_strdup_printf ("audio_%02d",
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rmdemux->n_audio_streams));
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switch (stream->fourcc) {
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case GST_MAKE_FOURCC ('.', 'r', 'a', '4'):
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case GST_MAKE_FOURCC ('.', 'r', 'a', '5'):
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stream->caps = gst_caps_new_simple ("audio/x-pn-realaudio", NULL);
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/* "raversion", G_TYPE_INT, version, NULL); */
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/* Older RealAudio Codecs */
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case GST_RM_AUD_14_4:
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version = 1;
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case GST_RM_AUD_28_8:
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version = 2;
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break;
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/* DolbyNet (Dolby AC3, low bitrate) */
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case GST_RM_AUD_DNET:
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stream->caps = gst_caps_new_simple ("audio/x-ac3", NULL);
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break;
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/* MPEG-4 based */
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case GST_RM_AUD_RAAC:
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case GST_RM_AUD_RACP:
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stream->caps =
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gst_caps_new_simple ("audio/mpeg", "mpegversion", G_TYPE_INT,
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(int) 4, NULL);
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break;
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/* RealAudio audio/RALF is lossless */
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case GST_RM_AUD_COOK:
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case GST_RM_AUD_RALF:
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/* Sipro/ACELP-NET Voice Codec */
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case GST_RM_AUD_SIPR:
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/* Sony ATRAC3 */
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case GST_RM_AUD_ATRC:
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g_print ("Nothing known to decode this audio FOURCC code\n");
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break;
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default:
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g_print ("Unknown audio FOURCC code\n");
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}
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if (version) {
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stream->caps =
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gst_caps_new_simple ("audio/x-pn-realaudio", "raversion", G_TYPE_INT,
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(int) version, NULL);
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}
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if (stream->caps) {
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gst_caps_set_simple (stream->caps,
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"rate", G_TYPE_INT, (int) stream->rate,
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@ -731,6 +777,8 @@ gst_rmdemux_parse_mdpr (GstRMDemux * rmdemux, void *data, int length)
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stream->subtype = stream_type;
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switch (stream_type) {
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int audio_fourcc_offset;
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case GST_RMDEMUX_STREAM_VIDEO:
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/* RV10/RV20/RV30/RV40 => video/x-pn-realvideo, version=1,2,3,4 */
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stream->fourcc = RMDEMUX_FOURCC_GET (data + offset + 8);
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@ -740,11 +788,25 @@ gst_rmdemux_parse_mdpr (GstRMDemux * rmdemux, void *data, int length)
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stream->rate = RMDEMUX_GUINT16_GET (data + offset + 16);
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break;
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case GST_RMDEMUX_STREAM_AUDIO:
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/* .ra4/.ra5 => audio/x-pn-realaudio, version=4,5 */
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/* .ra4/.ra5 */
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stream->fourcc = RMDEMUX_FOURCC_GET (data + offset + 8);
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stream->rate = RMDEMUX_GUINT32_GET (data + offset + 48);
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/* cook (cook), sipro (sipr), dnet (dnet) */
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switch (stream->fourcc) {
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case GST_RM_AUD_xRA4:
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audio_fourcc_offset = 62;
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break;
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case GST_RM_AUD_xRA5:
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audio_fourcc_offset = 66;
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break;
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default:
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g_print ("Unknown audio stream format\n");
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}
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/* 14_4, 28_8, cook, dnet, sipr, raac, racp, ralf, atrc */
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stream->fourcc = RMDEMUX_FOURCC_GET (data + offset + audio_fourcc_offset);
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break;
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case GST_RMDEMUX_STREAM_FILEINFO:
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{
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@ -81,6 +81,49 @@ struct _GstRMDemuxClass {
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GstElementClass parent_class;
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};
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/* RealMedia VideoCodec FOURCC codes */
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#define GST_RM_VDO_RV10 GST_MAKE_FOURCC('R','V','1','0') // RealVideo 1
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#define GST_RM_VDO_RV20 GST_MAKE_FOURCC('R','V','2','0') // RealVideo G2
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#define GST_RM_VDO_RV30 GST_MAKE_FOURCC('R','V','3','0') // RealVideo 8
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#define GST_RM_VDO_RV40 GST_MAKE_FOURCC('R','V','4','0') // RealVideo 9+10
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/* RealMedia AudioCodec FOURCC codes */
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#define GST_RM_AUD_14_4 GST_MAKE_FOURCC('1','4','_','4') // 14.4 Audio Codec
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#define GST_RM_AUD_28_8 GST_MAKE_FOURCC('2','8','_','8') // 28.8 Audio Codec
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#define GST_RM_AUD_COOK GST_MAKE_FOURCC('c','o','o','k') // Cooker G2 Audio Codec
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#define GST_RM_AUD_DNET GST_MAKE_FOURCC('d','n','e','t') // DolbyNet Audio Codec (low bitrate Dolby AC3)
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#define GST_RM_AUD_SIPR GST_MAKE_FOURCC('s','i','p','r') // Sipro/ACELP-NET Voice Codec
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#define GST_RM_AUD_RAAC GST_MAKE_FOURCC('r','a','a','c') // LE-AAC Audio Codec
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#define GST_RM_AUD_RACP GST_MAKE_FOURCC('r','a','c','p') // HE-AAC Audio Codec
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#define GST_RM_AUD_RALF GST_MAKE_FOURCC('r','a','l','f') // RealAudio Lossless
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#define GST_RM_AUD_ATRC GST_MAKE_FOURCC('a','t','r','c') // Sony ATRAC3 Audio Codec
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#define GST_RM_AUD_xRA4 GST_MAKE_FOURCC('.','r','a','4') // Not a real audio codec
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#define GST_RM_AUD_xRA5 GST_MAKE_FOURCC('.','r','a','5') // Not a real audio codec
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/*
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enum GstRMVideoCodecs {
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GST_RM_VDO_RV10,
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GST_RM_VDO_RV20,
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GST_RM_VDO_RV30,
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GST_RM_VDO_RV40
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};
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enum GstRMAudioCodecs {
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GST_RM_AUD_14_4,
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GST_RM_AUD_28_8,
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GST_RM_AUD_COOK,
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GST_RM_AUD_DNET,
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GST_RM_AUD_SIPR,
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GST_RM_AUD_RAAC,
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GST_RM_AUD_RACP,
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GST_RM_AUD_RALF,
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GST_RM_AUD_ATRC
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};
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*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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