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openh264dec: Fix up EOS handling

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If the last frame(s) produce errors, then we need to drop them
or else we spin forever failing to decode a frame and thinking
it'll get better if we wait for more data that's never coming.
This commit is contained in:
Jan Schmidt 2017-03-25 03:37:35 +11:00
parent f9c04f3987
commit 984b150e65
1 changed files with 17 additions and 4 deletions
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21
ext/openh264/gstopenh264dec.cpp
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@ -202,6 +202,7 @@ gst_openh264dec_handle_frame (GstVideoDecoder * decoder,
guint i;
guint8 *p;
guint row_stride, component_width, component_height, src_width, row;
gboolean at_eos = (frame == NULL);
if (frame) {
if (!gst_buffer_map (frame->input_buffer, &map_info, GST_MAP_READ)) {
@ -247,6 +248,15 @@ gst_openh264dec_handle_frame (GstVideoDecoder * decoder,
}
}
/* No output available yet */
if (dst_buf_info.iBufferStatus != 1) {
if (at_eos)
return GST_FLOW_EOS;
gst_video_codec_frame_unref (frame);
return GST_FLOW_OK;
}
/* FIXME: openh264 has no way for us to get a connection
* between the input and output frames, we just have to
* guess based on the input. Fortunately openh264 can
@ -257,10 +267,13 @@ gst_openh264dec_handle_frame (GstVideoDecoder * decoder,
return GST_FLOW_EOS;
}
/* No output available yet */
if (dst_buf_info.iBufferStatus != 1) {
gst_video_codec_frame_unref (frame);
return GST_FLOW_OK;
{
GstClockTime pts = dst_buf_info.uiOutYuvTimeStamp;
if (pts != frame->pts) {
GST_DEBUG_OBJECT (decoder, "Got output PTS %" GST_TIME_FORMAT
" but expected %" GST_TIME_FORMAT, GST_TIME_ARGS (pts),
GST_TIME_ARGS (frame->pts));
}
}
actual_width = dst_buf_info.UsrData.sSystemBuffer.iWidth;