scottk/UltraGrid
1
0
Fork 0
mirror of https://github.com/outbackdingo/UltraGrid.git synced 2026-03-21 18:40:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

vcompress/lavc: report delayed frames

Browse Source 
Can indicate a problem, eg. currently SVT HEVC when doesn't manage to
compress real-time.

It can also indicate eg. B-frames presence which may be desired (requested
by user parameters) but we can at least point it out.
This commit is contained in:
Martin Pulec
2024-04-12 13:37:52 +02:00
parent c30f9a3ce5
commit e3f64d5656
1 changed files with 16 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/video_compress/libavcodec.cpp
View File

@@ -39,7 +39,9 @@
#include <array>
#include <cassert>
#include <cinttypes>
#include <cmath>
#include <cstdint>
#include <list>
#include <map>
#include <regex>
@@ -289,7 +291,8 @@ struct state_video_compress_libav {
double mov_avg_comp_duration = 0;
long mov_avg_frames = 0;
time_ns_t duration_warn_last_print;
time_ns_t duration_warn_last_print = 0;
int64_t max_pts_diff_reported = 0;
map<int64_t, char[VF_METADATA_SIZE]> metadata_storage;
};
@@ -1395,6 +1398,7 @@ static shared_ptr<video_frame> libavcodec_compress_tile(struct module *mod, shar
return {};
}
int ret = avcodec_receive_packet(s->codec_ctx, s->pkt);
const int64_t pkt_pts = s->pkt->pts;
shared_ptr<video_frame> out{};
if (ret == 0) {
out = out_vf_from_pkt(s, s->pkt);
@@ -1409,6 +1413,17 @@ static shared_ptr<video_frame> libavcodec_compress_tile(struct module *mod, shar
" s, compression " << (t3 - t2) / (double) NS_IN_SEC << " s\n";
check_duration(s, t1 - t0, t3 - t0);
if (!out) {
return {};
}
const int64_t pts_diff = s->cur_pts - pkt_pts - 1;
if (pts_diff > s->max_pts_diff_reported) {
MSG(WARNING, "Frame delayed %" PRId64 " frames by the compression!\n",
pts_diff);
s->max_pts_diff_reported = pts_diff;
}
if (s->store_orig_format) {
write_orig_format(out.get(), tx->color_spec);
}