[FFmpeg-devel] [PATCH 24/28] ffmpeg_mux: drop a useless check and reduce indentation
Anton Khirnov
anton at khirnov.net
Tue Jan 18 12:25:12 EET 2022
Quoting Andreas Rheinhardt (2022-01-18 11:18:24)
> Anton Khirnov:
> > Quoting Andreas Rheinhardt (2022-01-13 11:54:59)
> >> Anton Khirnov:
> >>> do_video_stats() is only ever called for video.
> >>> ---
> >>> fftools/ffmpeg_mux.c | 42 ++++++++++++++++++++----------------------
> >>> 1 file changed, 20 insertions(+), 22 deletions(-)
> >>>
> >>> diff --git a/fftools/ffmpeg_mux.c b/fftools/ffmpeg_mux.c
> >>> index 76d9d4b9c4..8a64661c9c 100644
> >>> --- a/fftools/ffmpeg_mux.c
> >>> +++ b/fftools/ffmpeg_mux.c
> >>> @@ -72,31 +72,29 @@ static void do_video_stats(OutputStream *ost, int frame_size)
> >>> }
> >>>
> >>> enc = ost->enc_ctx;
> >>> - if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
> >>> - frame_number = ost->st->nb_frames;
> >>> - if (vstats_version <= 1) {
> >>> - fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
> >>> - ost->quality / (float)FF_QP2LAMBDA);
> >>> - } else {
> >>> - fprintf(vstats_file, "out= %2d st= %2d frame= %5d q= %2.1f ", ost->file_index, ost->index, frame_number,
> >>> - ost->quality / (float)FF_QP2LAMBDA);
> >>> - }
> >>> + frame_number = ost->st->nb_frames;
> >>> + if (vstats_version <= 1) {
> >>> + fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
> >>> + ost->quality / (float)FF_QP2LAMBDA);
> >>> + } else {
> >>> + fprintf(vstats_file, "out= %2d st= %2d frame= %5d q= %2.1f ", ost->file_index, ost->index, frame_number,
> >>> + ost->quality / (float)FF_QP2LAMBDA);
> >>> + }
> >>>
> >>> - 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)));
> >>> + 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);
> >>> - /* compute pts value */
> >>> - ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
> >>> - if (ti1 < 0.01)
> >>> - ti1 = 0.01;
> >>> + fprintf(vstats_file,"f_size= %6d ", frame_size);
> >>> + /* compute pts value */
> >>> + ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
> >>> + if (ti1 < 0.01)
> >>> + ti1 = 0.01;
> >>>
> >>> - bitrate = (frame_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);
> >>> - fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
> >>> - }
> >>> + bitrate = (frame_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);
> >>> + fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(ost->pict_type));
> >>> }
> >>>
> >>> static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
> >>>
> >>
> >> LGTM to removing the check, but it would be better if you removed the
> >> check before moving the code to ffmpeg_mux.c and then fixed the
> >> indentation while moving the code to ffmpeg_mux.c.
> >
> > Better why? What's the point of essentially re-doing these commits and
> > dealing with rebase conflicts, just to get the same result in the end?
> >
>
> A smaller diff.
Doesn't seem worth the trouble. git show -w is already just two lines.
--
Anton Khirnov
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