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fftools/ffmpeg: rename OutputStream.sync_opts to next_pts

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The current name is confusing.
This commit is contained in:
Anton Khirnov
2022-09-04 14:38:52 +02:00
parent 3c0f532cbc
commit 29188f9c62
2 changed files with 15 additions and 13 deletions
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22
fftools/ffmpeg.c
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@@ -1044,12 +1044,12 @@ static void do_audio_out(OutputFile *of, OutputStream *ost,
adjust_frame_pts_to_encoder_tb(of, ost, frame); adjust_frame_pts_to_encoder_tb(of, ost, frame);
if (!check_recording_time(ost, ost->sync_opts, ost->enc_ctx->time_base)) if (!check_recording_time(ost, ost->next_pts, ost->enc_ctx->time_base))
return; return;
if (frame->pts == AV_NOPTS_VALUE) if (frame->pts == AV_NOPTS_VALUE)
frame->pts = ost->sync_opts; frame->pts = ost->next_pts;
ost->sync_opts = frame->pts + frame->nb_samples; ost->next_pts = frame->pts + frame->nb_samples;
ret = submit_encode_frame(of, ost, frame); ret = submit_encode_frame(of, ost, frame);
if (ret < 0 && ret != AVERROR_EOF) if (ret < 0 && ret != AVERROR_EOF)
@@ -1230,7 +1230,9 @@ static void do_video_out(OutputFile *of,
ost->last_nb0_frames[1], ost->last_nb0_frames[1],
ost->last_nb0_frames[2]); ost->last_nb0_frames[2]);
} else { } else {
delta0 = sync_ipts - ost->sync_opts; // delta0 is the "drift" between the input frame (next_picture) and where it would fall in the output. /* delta0 is the "drift" between the input frame (next_picture) and
* where it would fall in the output. */
delta0 = sync_ipts - ost->next_pts;
delta = delta0 + duration; delta = delta0 + duration;
/* by default, we output a single frame */ /* by default, we output a single frame */
@@ -1245,7 +1247,7 @@ static void do_video_out(OutputFile *of,
av_log(NULL, AV_LOG_VERBOSE, "Past duration %f too large\n", -delta0); av_log(NULL, AV_LOG_VERBOSE, "Past duration %f too large\n", -delta0);
} else } else
av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0); av_log(NULL, AV_LOG_DEBUG, "Clipping frame in rate conversion by %f\n", -delta0);
sync_ipts = ost->sync_opts; sync_ipts = ost->next_pts;
duration += delta0; duration += delta0;
delta0 = 0; delta0 = 0;
} }
@@ -1256,7 +1258,7 @@ static void do_video_out(OutputFile *of,
av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0)); av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta0));
delta = duration; delta = duration;
delta0 = 0; delta0 = 0;
ost->sync_opts = llrint(sync_ipts); ost->next_pts = llrint(sync_ipts);
} }
case VSYNC_CFR: case VSYNC_CFR:
// FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
@@ -1275,13 +1277,13 @@ static void do_video_out(OutputFile *of,
if (delta <= -0.6) if (delta <= -0.6)
nb_frames = 0; nb_frames = 0;
else if (delta > 0.6) else if (delta > 0.6)
ost->sync_opts = llrint(sync_ipts); ost->next_pts = llrint(sync_ipts);
next_picture->duration = duration; next_picture->duration = duration;
break; break;
case VSYNC_DROP: case VSYNC_DROP:
case VSYNC_PASSTHROUGH: case VSYNC_PASSTHROUGH:
next_picture->duration = duration; next_picture->duration = duration;
ost->sync_opts = llrint(sync_ipts); ost->next_pts = llrint(sync_ipts);
break; break;
default: default:
av_assert0(0); av_assert0(0);
@@ -1335,7 +1337,7 @@ static void do_video_out(OutputFile *of,
if (!in_picture) if (!in_picture)
return; return;
in_picture->pts = ost->sync_opts; in_picture->pts = ost->next_pts;
if (!check_recording_time(ost, in_picture->pts, ost->enc_ctx->time_base)) if (!check_recording_time(ost, in_picture->pts, ost->enc_ctx->time_base))
return; return;
@@ -1347,7 +1349,7 @@ static void do_video_out(OutputFile *of,
if (ret < 0 && ret != AVERROR_EOF) if (ret < 0 && ret != AVERROR_EOF)
exit_program(1); exit_program(1);
ost->sync_opts++; ost->next_pts++;
ost->vsync_frame_number++; ost->vsync_frame_number++;
} }

6
fftools/ffmpeg.h
View File

@@ -492,9 +492,9 @@ typedef struct OutputStream {
AVStream *st; /* stream in the output file */ AVStream *st; /* stream in the output file */
/* number of frames emitted by the video-encoding sync code */ /* number of frames emitted by the video-encoding sync code */
int64_t vsync_frame_number; int64_t vsync_frame_number;
/* input pts and corresponding output pts /* predicted pts of the next frame to be encoded
for A/V sync */ * audio/video encoding only */
int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number int64_t next_pts;
/* dts of the last packet sent to the muxing queue, in AV_TIME_BASE_Q */ /* dts of the last packet sent to the muxing queue, in AV_TIME_BASE_Q */
int64_t last_mux_dts; int64_t last_mux_dts;
/* pts of the last frame received from the filters, in AV_TIME_BASE_Q */ /* pts of the last frame received from the filters, in AV_TIME_BASE_Q */