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MPEG4AAC is MPEG-4 audio, not video, and implement a _formatid_to_caps() function which tracks a GstCaps to a format ...

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Original commit message from CVS:
MPEG4AAC is MPEG-4 audio, not video, and implement a _formatid_to_caps() function which tracks a GstCaps to a format name (muxing format etc.), useful for setting caps on demuxers
This commit is contained in:
Ronald S. Bultje 2003-06-08 13:30:10 +00:00
parent 40deef896e
commit aede10be3e
2 changed files with 87 additions and 1 deletions
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79
ext/ffmpeg/gstffmpegcodecmap.c
View file

@ -290,7 +290,7 @@ gst_ffmpeg_codecid_to_caps (enum CodecID codec_id,
case CODEC_ID_MPEG4AAC:
caps = GST_FF_VID_CAPS_NEW ("ffmpeg_mpeg4aac",
"video/mpeg",
"audio/mpeg",
"systemstream", GST_PROPS_BOOLEAN (FALSE),
"mpegversion", GST_PROPS_INT (4)
);
@ -691,3 +691,80 @@ gst_ffmpeg_caps_to_codectype (enum CodecType type,
break;
}
}
/* _formatid_to_caps () is meant for muxers/demuxers, it
* transforms a name (ffmpeg way of ID'ing these, why don't
* they have unique numerical IDs?) to the corresponding
* caps belonging to that mux-format
*
* Note: we don't need any additional info because the caps
* isn't supposed to contain any useful info besides the
* media type anyway
*/
GstCaps *
gst_ffmpeg_formatid_to_caps (const gchar *format_name)
{
GstCaps *caps = NULL;
if (!strcmp (format_name, "mpeg")) {
caps = GST_CAPS_NEW ("ffmpeg_mpeg",
"video/mpeg",
"systemstream", GST_PROPS_BOOLEAN (TRUE)
);
} else if (!strcmp (format_name, "mpegts")) {
caps = GST_CAPS_NEW ("ffmpeg_mpegts",
"video/mpegts",
"systemstream", GST_PROPS_BOOLEAN (TRUE)
);
} else if (!strcmp (format_name, "rm")) {
caps = GST_CAPS_NEW ("ffmpeg_rm",
"audio/x-pn-realaudio",
NULL
);
} else if (!strcmp (format_name, "asf")) {
caps = GST_CAPS_NEW ("ffmpeg_asf",
"video/x-ms-asf",
NULL
);
} else if (!strcmp (format_name, "avi")) {
caps = GST_CAPS_NEW ("ffmpeg_avi",
"video/avi",
NULL
);
} else if (!strcmp (format_name, "wav")) {
caps = GST_CAPS_NEW ("ffmpeg_wav",
"video/x-wav",
NULL
);
} else if (!strcmp (format_name, "swf")) {
caps = GST_CAPS_NEW ("ffmpeg_swf",
"application/x-shockwave-flash",
NULL
);
} else if (!strcmp (format_name, "au")) {
caps = GST_CAPS_NEW ("ffmpeg_au",
"audio/basic",
NULL
);
} else if (!strcmp (format_name, "mov")) {
caps = GST_CAPS_NEW ("ffmpeg_quicktime",
"video/quicktime",
NULL
);
} else if (!strcmp (format_name, "dv")) {
caps = GST_CAPS_NEW ("ffmpeg_dv",
"video/dv",
"systemstream", GST_PROPS_BOOLEAN (TRUE)
);
} else if (!strcmp (format_name, "4xm")) {
caps = GST_CAPS_NEW ("ffmpeg_4xm",
"video/x-4xm",
NULL
);
} else {
/* unknown! */
}
return caps;
}

9
ext/ffmpeg/gstffmpegcodecmap.h
View file

@ -52,4 +52,13 @@ gst_ffmpeg_caps_to_codectype (enum CodecType type,
GstCaps *caps,
AVCodecContext *context);
/* _formatid_to_caps () is meant for muxers/demuxers, it
* transforms a name (ffmpeg way of ID'ing these, why don't
* they have unique numerical IDs?) to the corresponding
* caps belonging to that mux-format
*/
GstCaps *
gst_ffmpeg_formatid_to_caps (const gchar *format_name);
#endif /* __GST_FFMPEG_CODECMAP_H__ */