[FFmpeg-devel] [PATCH 11/24] ffmpeg: set want_sdp when initializing the muxer

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Thu Dec 16 23:40:31 EET 2021


Anton Khirnov:
> Allows making the variable local to ffmpeg_mux.
> ---
>  fftools/ffmpeg.c     | 9 +--------
>  fftools/ffmpeg.h     | 1 -
>  fftools/ffmpeg_mux.c | 5 +++++
>  3 files changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/fftools/ffmpeg.c b/fftools/ffmpeg.c
> index 3ed1201fda..f76e5df8d2 100644
> --- a/fftools/ffmpeg.c
> +++ b/fftools/ffmpeg.c
> @@ -138,8 +138,6 @@ static int nb_frames_drop = 0;
>  static int64_t decode_error_stat[2];
>  unsigned nb_output_dumped = 0;
>  
> -int want_sdp = 1;
> -
>  static BenchmarkTimeStamps current_time;
>  AVIOContext *progress_avio = NULL;
>  
> @@ -4557,7 +4555,7 @@ static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
>  
>  int main(int argc, char **argv)
>  {
> -    int i, ret;
> +    int ret;
>      BenchmarkTimeStamps ti;
>  
>      init_dynload();
> @@ -4600,11 +4598,6 @@ int main(int argc, char **argv)
>          exit_program(1);
>      }
>  
> -    for (i = 0; i < nb_output_files; i++) {
> -        if (strcmp(output_files[i]->format->name, "rtp"))
> -            want_sdp = 0;
> -    }
> -
>      current_time = ti = get_benchmark_time_stamps();
>      if (transcode() < 0)
>          exit_program(1);
> diff --git a/fftools/ffmpeg.h b/fftools/ffmpeg.h
> index 67ff391334..4aed24c2a7 100644
> --- a/fftools/ffmpeg.h
> +++ b/fftools/ffmpeg.h
> @@ -646,7 +646,6 @@ extern char *qsv_device;
>  #endif
>  extern HWDevice *filter_hw_device;
>  
> -extern int want_sdp;
>  extern unsigned nb_output_dumped;
>  extern int main_return_code;
>  
> diff --git a/fftools/ffmpeg_mux.c b/fftools/ffmpeg_mux.c
> index aba4b563a4..e6417cdb8c 100644
> --- a/fftools/ffmpeg_mux.c
> +++ b/fftools/ffmpeg_mux.c
> @@ -38,6 +38,8 @@ struct Muxer {
>      int header_written;
>  };
>  
> +static int want_sdp = 1;
> +
>  static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
>  {
>      int i;
> @@ -349,6 +351,9 @@ int of_muxer_init(OutputFile *of, uint64_t limit_filesize)
>  
>      mux->limit_filesize = limit_filesize;
>  
> +    if (strcmp(of->format->name, "rtp"))
> +        want_sdp = 0;
> +
>      return 0;
>  }
>  
> 

This variable could actually be completely local to
check_init_output_file()/of_check_init().

- Andreas


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