[FFmpeg-devel] [PATCH]lavfi/movie: Use filter threads as decoding threads

[James Almer]

On 8/25/2019 1:27 PM, Carl Eugen Hoyos wrote:
> Hi!
> 
> Attached patch should fix ticket #7542.
> 
> Please comment, Carl Eugen
> 
> 
> 0001-lavfi-movie-Use-filter-thread-count-for-decoding-thr.patch
> 
> From 21f3c281dbd9d97ac47ed611958a85881c4b7fba Mon Sep 17 00:00:00 2001
> From: Carl Eugen Hoyos <ceffmpeg at gmail.com>
> Date: Sun, 25 Aug 2019 18:12:30 +0200
> Subject: [PATCH] lavfi/movie: Use filter thread count for decoding threads.
> 
> Fixes ticket #7542.
> ---
>  libavfilter/src_movie.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libavfilter/src_movie.c b/libavfilter/src_movie.c
> index bcabfcc4c2..78c73e78a4 100644
> --- a/libavfilter/src_movie.c
> +++ b/libavfilter/src_movie.c
> @@ -153,7 +153,7 @@ static AVStream *find_stream(void *log, AVFormatContext *avf, const char *spec)
>      return found;
>  }
>  
> -static int open_stream(void *log, MovieStream *st)
> +static int open_stream(AVFilterContext *ctx, MovieStream *st)

log is now undeclared. Or rather, it still is for some reason (i guess
the function parameter overloaded some global declaration), just not
pointing to what you wanted it to.

>  {
>      AVCodec *codec;
>      int ret;
> @@ -173,6 +173,7 @@ static int open_stream(void *log, MovieStream *st)
>          return ret;
>  
>      st->codec_ctx->refcounted_frames = 1;
> +    st->codec_ctx->thread_count = ff_filter_get_nb_threads(ctx);
>  
>      if ((ret = avcodec_open2(st->codec_ctx, codec, NULL)) < 0) {
>          av_log(log, AV_LOG_ERROR, "Failed to open codec\n");
> -- 2.22.1
> 
> 
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