Commit c3b5d3f3 authored by Ronald S. Bultje's avatar Ronald S. Bultje

Add a caps_to_codecid() function to read properties from a caps function for...

Add a caps_to_codecid() function to read properties from a caps function for use in _connect() functions

Original commit message from CVS:
Add a caps_to_codecid() function to read properties from a caps function for use in _connect() functions
parent b17e5621
......@@ -147,7 +147,7 @@ gst_ffmpeg_codecid_to_caps (enum CodecID codec_id,
caps = gst_caps_append(caps,
GST_FF_VID_CAPS_NEW ("ffmpeg_divx",
"video/divx",
"divxversion", GST_PROPS_INT (5)
"divxversion", GST_PROPS_INT (5)
));
caps = gst_caps_append(caps,
GST_FF_VID_CAPS_NEW ("ffmpeg_xvid",
......@@ -535,3 +535,159 @@ gst_ffmpeg_codectype_to_caps (enum CodecType codec_type,
return caps;
}
/* Convert a GstCaps (audio/raw) to a FFMPEG SampleFmt
* and other audio properties in a AVCodecContext.
*
* For usefullness, see below
*/
static void
gst_ffmpeg_caps_to_smpfmt (GstCaps *caps,
AVCodecContext *context)
{
if (gst_caps_has_property_typed (caps, "width",
GST_PROPS_INT_TYPE) &&
gst_caps_has_property_typed (caps, "depth",
GST_PROPS_INT_TYPE) &&
gst_caps_has_property_typed (caps, "signed",
GST_PROPS_BOOLEAN_TYPE) &&
gst_caps_has_property_typed (caps, "endianness",
GST_PROPS_INT_TYPE)) {
gint depth = 0, width = 0, endianness = 0;
gboolean signedness = FALSE;
gst_caps_get (caps,
"width", &width,
"depth", &depth,
"endianness", &endianness,
"signed", &signedness,
NULL);
if (width == 16 && depth == 16 &&
endianness == G_BYTE_ORDER && signedness == TRUE) {
context->sample_fmt = SAMPLE_FMT_S16;
}
}
if (gst_caps_has_property_typed (caps, "channels",
GST_PROPS_INT_TYPE)) {
gst_caps_get_int (caps, "rate", &context->channels);
}
if (gst_caps_has_property_typed (caps, "rate",
GST_PROPS_INT_TYPE)) {
gst_caps_get_int (caps, "rate", &context->sample_rate);
}
}
/* Convert a GstCaps (video/raw) to a FFMPEG PixFmt
* and other video properties in a AVCodecContext.
*
* For usefullness, see below
*/
static void
gst_ffmpeg_caps_to_pixfmt (GstCaps *caps,
AVCodecContext *context)
{
if (gst_caps_has_property_typed (caps, "width",
GST_PROPS_INT_TYPE) &&
gst_caps_has_property_typed (caps, "height",
GST_PROPS_INT_TYPE)) {
gst_caps_get (caps,
"width", &context->width,
"height", &context->height,
NULL);
}
if (gst_caps_has_property_typed (caps, "format",
GST_PROPS_FOURCC_TYPE)) {
guint32 fourcc;
gst_caps_get_fourcc_int (caps, "format", &fourcc);
switch (fourcc) {
case GST_MAKE_FOURCC ('Y','U','Y','2'):
context->pix_fmt = PIX_FMT_YUV422;
break;
case GST_MAKE_FOURCC ('I','4','2','0'):
context->pix_fmt = PIX_FMT_YUV420P;
break;
case GST_MAKE_FOURCC ('Y','4','1','P'):
context->pix_fmt = PIX_FMT_YUV411P;
break;
case GST_MAKE_FOURCC ('R','G','B',' '):
if (gst_caps_has_property_typed (caps, "depth",
GST_PROPS_INT_TYPE) &&
gst_caps_has_property_typed (caps, "endianness",
GST_PROPS_INT_TYPE)) {
gint depth = 0, endianness = 0;
gst_caps_get_int (caps, "depth", &depth);
gst_caps_get_int (caps, "endianness", &endianness);
switch (depth) {
case 32:
if (endianness == G_BYTE_ORDER)
context->pix_fmt = PIX_FMT_RGBA32;
break;
case 24:
switch (endianness) {
case G_LITTLE_ENDIAN:
context->pix_fmt = PIX_FMT_BGR24;
break;
case G_BIG_ENDIAN:
context->pix_fmt = PIX_FMT_RGB24;
break;
default:
/* nothing */
break;
}
break;
case 16:
if (endianness == G_BYTE_ORDER)
context->pix_fmt = PIX_FMT_RGB565;
break;
case 15:
if (endianness == G_BYTE_ORDER)
context->pix_fmt = PIX_FMT_RGB555;
break;
default:
/* nothing */
break;
}
}
break;
default:
/* nothing */
break;
}
}
}
/* Convert a GstCaps and a FFMPEG codec Type to a
* AVCodecContext. If the context is ommitted, no fixed values
* for video/audio size will be included in the context
*
* CodecType is primarily meant for uncompressed data GstCaps!
*/
void
gst_ffmpeg_caps_to_codectype (enum CodecType type,
GstCaps *caps,
AVCodecContext *context)
{
if (context == NULL)
return;
switch (type) {
case CODEC_TYPE_VIDEO:
gst_ffmpeg_caps_to_pixfmt (caps, context);
break;
case CODEC_TYPE_AUDIO:
gst_ffmpeg_caps_to_smpfmt (caps, context);
break;
default:
/* unknown */
break;
}
}
......@@ -43,4 +43,13 @@ GstCaps *
gst_ffmpeg_codectype_to_caps (enum CodecType codec_type,
AVCodecContext *context);
/* caps_to_codectype () transforms a GstCaps that belongs to
* a pad for uncompressed data to a filled-in context
*/
void
gst_ffmpeg_caps_to_codectype (enum CodecType type,
GstCaps *caps,
AVCodecContext *context);
#endif /* __GST_FFMPEG_CODECMAP_H__ */
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