Add gst_base_video_decoder_update_src_caps().

Don't forcibly set "interlaced" field if upstream
elements did not have any.
This commit is contained in:
gb 2010-06-22 15:15:46 +00:00 committed by Gwenole Beauchesne
parent e708f89b67
commit 781a7edd57
2 changed files with 25 additions and 6 deletions

View file

@ -1448,18 +1448,26 @@ gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder * base_video_decoder)
if (base_video_decoder->have_src_caps)
return;
caps = gst_pad_get_allowed_caps
(GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder));
if (!caps)
goto null_caps;
if (gst_caps_is_empty (caps))
goto empty_caps;
caps = GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder));
if (caps)
caps = gst_caps_copy (caps);
else {
caps = gst_pad_get_allowed_caps
(GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder));
if (!caps)
goto null_caps;
if (gst_caps_is_empty (caps))
goto empty_caps;
}
gst_caps_set_simple (caps,
"width", G_TYPE_INT, state->width,
"height", G_TYPE_INT, state->height,
"framerate", GST_TYPE_FRACTION, state->fps_n, state->fps_d,
"pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n, state->par_d,
NULL);
if (state->have_interlaced)
gst_caps_set_simple (caps,
"interlaced", G_TYPE_BOOLEAN, state->interlaced, NULL);
gst_pad_fixate_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder), caps);
@ -1482,6 +1490,16 @@ empty_caps:
return;
}
void
gst_base_video_decoder_update_src_caps (GstBaseVideoDecoder *
base_video_decoder)
{
g_return_if_fail (GST_IS_BASE_VIDEO_DECODER (base_video_decoder));
base_video_decoder->have_src_caps = FALSE;
gst_base_video_decoder_set_src_caps (base_video_decoder);
}
GstFlowReturn
gst_base_video_decoder_alloc_src_frame (GstBaseVideoDecoder *
base_video_decoder, GstVideoFrame * frame)

View file

@ -167,6 +167,7 @@ void gst_base_video_decoder_lost_sync (GstBaseVideoDecoder *base_video_decoder);
void gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder *base_video_decoder);
void gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder *base_video_decoder);
void gst_base_video_decoder_update_src_caps (GstBaseVideoDecoder *base_video_decoder);
GstFlowReturn gst_base_video_decoder_alloc_src_frame (GstBaseVideoDecoder *base_video_decoder,
GstVideoFrame *frame);