void
gst_base_video_decoder_skip_frame (GstBaseVideoDecoder * base_video_decoder,
GstVideoFrame * frame)
{
GstClockTime presentation_timestamp;
GstClockTime presentation_duration;
GST_DEBUG ("skip frame");
gst_base_video_decoder_calculate_timestamps (base_video_decoder, frame,
&presentation_timestamp, &presentation_duration);
GST_DEBUG ("skipping frame %" GST_TIME_FORMAT,
GST_TIME_ARGS (presentation_timestamp));
gst_video_frame_unref (frame);
}
GstFlowReturn
gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
GstVideoFrame * frame)
{
GstBaseVideoDecoderClass *base_video_decoder_class;
GstClockTime presentation_timestamp;
GstClockTime presentation_duration;
GstBuffer *src_buffer;
GST_DEBUG ("finish frame");
base_video_decoder_class =
GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
gst_base_video_decoder_calculate_timestamps (base_video_decoder, frame,
&presentation_timestamp, &presentation_duration);
src_buffer = frame->src_buffer;
GST_BUFFER_FLAG_UNSET (src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
if (base_video_decoder->state.interlaced) {
#ifndef GST_VIDEO_BUFFER_TFF
#define GST_VIDEO_BUFFER_TFF (GST_MINI_OBJECT_FLAG_LAST << 5)
#endif
#ifndef GST_VIDEO_BUFFER_RFF
#define GST_VIDEO_BUFFER_RFF (GST_MINI_OBJECT_FLAG_LAST << 6)
#endif
#ifndef GST_VIDEO_BUFFER_ONEFIELD
#define GST_VIDEO_BUFFER_ONEFIELD (GST_MINI_OBJECT_FLAG_LAST << 7)
#endif
if (GST_VIDEO_FRAME_FLAG_IS_SET (frame, GST_VIDEO_FRAME_FLAG_TFF)) {
GST_BUFFER_FLAG_SET (src_buffer, GST_VIDEO_BUFFER_TFF);
} else {
GST_BUFFER_FLAG_UNSET (src_buffer, GST_VIDEO_BUFFER_TFF);
}
GST_BUFFER_FLAG_UNSET (src_buffer, GST_VIDEO_BUFFER_RFF);
GST_BUFFER_FLAG_UNSET (src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
if (frame->n_fields == 3) {
GST_BUFFER_FLAG_SET (src_buffer, GST_VIDEO_BUFFER_RFF);
} else if (frame->n_fields == 1) {
GST_BUFFER_FLAG_SET (src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
}
}
if (base_video_decoder->discont) {
GST_BUFFER_FLAG_UNSET (src_buffer, GST_BUFFER_FLAG_DISCONT);
base_video_decoder->discont = FALSE;
}
GST_BUFFER_TIMESTAMP (src_buffer) = presentation_timestamp;
GST_BUFFER_DURATION (src_buffer) = presentation_duration;
GST_BUFFER_OFFSET (src_buffer) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (src_buffer) = GST_BUFFER_OFFSET_NONE;
GST_DEBUG ("pushing frame %" GST_TIME_FORMAT,
GST_TIME_ARGS (presentation_timestamp));
gst_base_video_decoder_set_src_caps (base_video_decoder);
if (base_video_decoder->sink_clipping) {
gint64 start = GST_BUFFER_TIMESTAMP (src_buffer);
gint64 stop = GST_BUFFER_TIMESTAMP (src_buffer) +
GST_BUFFER_DURATION (src_buffer);
if (gst_segment_clip (&base_video_decoder->segment, GST_FORMAT_TIME,
start, stop, &start, &stop)) {
GST_BUFFER_TIMESTAMP (src_buffer) = start;
GST_BUFFER_DURATION (src_buffer) = stop - start;
GST_DEBUG ("accepting buffer inside segment: %" GST_TIME_FORMAT
" %" GST_TIME_FORMAT
" seg %" GST_TIME_FORMAT " to %" GST_TIME_FORMAT
" time %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer) +
GST_BUFFER_DURATION (src_buffer)),
GST_TIME_ARGS (base_video_decoder->segment.start),
GST_TIME_ARGS (base_video_decoder->segment.stop),
GST_TIME_ARGS (base_video_decoder->segment.time));
} else {
GST_DEBUG ("dropping buffer outside segment: %" GST_TIME_FORMAT
" %" GST_TIME_FORMAT
" seg %" GST_TIME_FORMAT " to %" GST_TIME_FORMAT
" time %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer)),
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (src_buffer) +
GST_BUFFER_DURATION (src_buffer)),
GST_TIME_ARGS (base_video_decoder->segment.start),
GST_TIME_ARGS (base_video_decoder->segment.stop),
GST_TIME_ARGS (base_video_decoder->segment.time));
gst_video_frame_unref (frame);
return GST_FLOW_OK;
}
}
gst_buffer_ref (src_buffer);
gst_video_frame_unref (frame);
if (base_video_decoder_class->shape_output)
return base_video_decoder_class->shape_output (base_video_decoder,
src_buffer);
return gst_pad_push (GST_BASE_VIDEO_DECODER_SRC_PAD (base_video_decoder),
src_buffer);
}
