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fftools/ffmpeg: stop using av_stream_get_end_pts() in do_video_stats()

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It retrieves libavformat's internal dts value (contrary to the
function's name), which is not only incorrect in general, but also
unnecessary because we can access the packet directly.
This commit is contained in:
Anton Khirnov 2021-12-16 11:16:11 +01:00
parent 3d4d355375
commit 9acce2afcf
1 changed files with 5 additions and 5 deletions
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10
fftools/ffmpeg.c
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@ -835,7 +835,7 @@ static double psnr(double d)
return -10.0 * log10(d);
}
static void do_video_stats(OutputStream *ost, int frame_size)
static void do_video_stats(OutputStream *ost, const AVPacket *pkt)
{
AVCodecContext *enc;
int frame_number;
@ -863,13 +863,13 @@ static void do_video_stats(OutputStream *ost, int frame_size)
if (ost->error[0]>=0 && (enc->flags & AV_CODEC_FLAG_PSNR))
fprintf(vstats_file, "PSNR= %6.2f ", psnr(ost->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
fprintf(vstats_file,"f_size= %6d ", pkt->size);
/* compute pts value */
ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
ti1 = pkt->dts * av_q2d(ost->mux_timebase);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
bitrate = (pkt->size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
@ -948,7 +948,7 @@ static int encode_frame(OutputFile *of, OutputStream *ost, AVFrame *frame)
}
if (enc->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename)
do_video_stats(ost, pkt->size);
do_video_stats(ost, pkt);
ost->packets_encoded++;