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avcodec: deprecate thread_safe_callbacks

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They add considerable complexity to frame-threading implementation,
which includes an unavoidably leaking error path, while the advantages
of this option to the users are highly dubious.

It should be always possible and desirable for the callers to make their
get_buffer2() implementation thread-safe, so deprecate this option.
This commit is contained in:
Anton Khirnov
2020-05-22 15:59:46 +02:00
parent 551ca67afe
commit a83098ab03
8 changed files with 102 additions and 11 deletions
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fftools/ffmpeg.c
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@@ -2927,7 +2927,9 @@ static int init_input_stream(int ist_index, char *error, int error_len)
ist->dec_ctx->opaque = ist;
ist->dec_ctx->get_format = get_format;
ist->dec_ctx->get_buffer2 = get_buffer;
#if LIBAVCODEC_VERSION_MAJOR < 60
ist->dec_ctx->thread_safe_callbacks = 1;
#endif
av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&