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avcodecmap: Take framerate restrictions into account for encoders

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This commit is contained in:
Sebastian Dröge 2012-12-11 18:56:24 +00:00
parent 86361bf6df
commit 736bda7350
1 changed files with 33 additions and 7 deletions
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40
ext/libav/gstavcodecmap.c
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@ -172,7 +172,6 @@ gst_ff_vid_caps_new (AVCodecContext * context, AVCodec * codec,
enum CodecID codec_id, gboolean encode, const char *mimetype,
const char *fieldname, ...)
{
GstStructure *structure = NULL;
GstCaps *caps = NULL;
va_list var_args;
gint i;
@ -284,7 +283,37 @@ gst_ff_vid_caps_new (AVCodecContext * context, AVCodec * codec,
break;
}
default:
{
if (codec && codec->supported_framerates
&& codec->supported_framerates[0].num != 0
&& codec->supported_framerates[0].den != 0) {
GValue va = { 0, };
GValue v = { 0, };
const AVRational *rates = codec->supported_framerates;
if (rates[1].num == 0 && rates[1].den == 0) {
caps =
gst_caps_new_simple (mimetype, "framerate", GST_TYPE_FRACTION,
rates[0].num, rates[0].den, NULL);
} else {
g_value_init (&va, GST_TYPE_LIST);
g_value_init (&v, GST_TYPE_FRACTION);
while (rates->num != 0 && rates->den != 0) {
gst_value_set_fraction (&v, rates->num, rates->den);
gst_value_list_append_value (&va, &v);
rates++;
}
caps = gst_caps_new_simple (mimetype, NULL, NULL, NULL);
gst_caps_set_value (caps, "framerate", &va);
g_value_unset (&va);
g_value_unset (&v);
}
}
break;
}
}
}
@ -295,12 +324,9 @@ gst_ff_vid_caps_new (AVCodecContext * context, AVCodec * codec,
caps = gst_caps_new_simple (mimetype, NULL, NULL, NULL);
}
for (i = 0; i < gst_caps_get_size (caps); i++) {
va_start (var_args, fieldname);
structure = gst_caps_get_structure (caps, i);
gst_structure_set_valist (structure, fieldname, var_args);
va_end (var_args);
}
va_start (var_args, fieldname);
gst_caps_set_simple_valist (caps, fieldname, var_args);
va_end (var_args);
return caps;
}