[FFmpeg-devel] [PATCH] ffprobe: Initialize coded_width/height

[Li, Zhong]

> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Hendrik Leppkes
> Sent: Friday, January 19, 2018 6:10 PM
> To: FFmpeg development discussions and patches
> <ffmpeg-devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH] ffprobe: Initialize coded_width/height
> 
> On Fri, Jan 19, 2018 at 6:05 AM, Zhong Li <zhong.li at intel.com> wrote:
> > coded_width/height are unnitialized and will be overwritten by
> > dec_ctx->width/height in avcodec_open2()
> >
> > This fixes tiket #6958.
> >
> > Signed-off-by: Zhong Li <zhong.li at intel.com>
> > ---
> >  fftools/ffprobe.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> >
> > diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c index
> > 0e7a771..233760d 100644
> > --- a/fftools/ffprobe.c
> > +++ b/fftools/ffprobe.c
> > @@ -2512,10 +2512,12 @@ static int show_stream(WriterContext *w,
> AVFormatContext *fmt_ctx, int stream_id
> >      case AVMEDIA_TYPE_VIDEO:
> >          print_int("width",        par->width);
> >          print_int("height",       par->height);
> > +#if FF_API_LAVF_AVCTX
> >          if (dec_ctx) {
> >              print_int("coded_width",  dec_ctx->coded_width);
> >              print_int("coded_height", dec_ctx->coded_height);
> >          }
> > +#endif
> >          print_int("has_b_frames", par->video_delay);
> >          sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
> >          if (sar.den) {
> > @@ -2912,6 +2914,10 @@ static int open_input_file(InputFile *ifile,
> > const char *filename)
> >
> >              ist->dec_ctx->pkt_timebase = stream->time_base;
> >              ist->dec_ctx->framerate = stream->avg_frame_rate;
> > +#if FF_API_LAVF_AVCTX
> > +            ist->dec_ctx->coded_width =
> stream->codec->coded_width;
> > +            ist->dec_ctx->coded_height =
> stream->codec->coded_height;
> > +#endif
> >
> >              if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
> >                  av_log(NULL, AV_LOG_WARNING, "Could not open
> codec
> > for input stream %d\n",
> 
> Lets not write new code based on deprecated API.
> 
> - Hendrik

Refer the discussion on https://patchwork.ffmpeg.org/patch/7342/