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Expose skipped frames to the consumer

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A skipped frame is detected when the producer offers a frame while the
current pending frame has not been consumed.

However, the producer (in practice the decoder) is not interested in the
fact that a frame has been skipped, only the consumer (the renderer) is.
Therefore, expose the skipped count in consumer_take_frame() instead of
a flag in the producer_offer_frame().

This allows to manage the skipped and rendered frames count at the same
place, and remove fps_counter from decoder.
This commit is contained in:
Romain Vimont 2021-02-19 22:31:44 +01:00
parent b1c7c71160
commit 6627459cc5
8 changed files with 31 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

11
app/src/decoder.c
View file

@ -14,19 +14,12 @@
// set the decoded frame as ready for rendering, and notify
static void
push_frame(struct decoder *decoder) {
bool previous_frame_skipped;
video_buffer_producer_offer_frame(decoder->video_buffer,
&previous_frame_skipped);
if (previous_frame_skipped) {
fps_counter_add_skipped_frame(decoder->fps_counter);
}
video_buffer_producer_offer_frame(decoder->video_buffer);
}
void
decoder_init(struct decoder *decoder, struct video_buffer *vb,
struct fps_counter *fps_counter) {
decoder_init(struct decoder *decoder, struct video_buffer *vb) {
decoder->video_buffer = vb;
decoder->fps_counter = fps_counter;
}
bool