[FFmpeg-devel] [PATCH v3] lavc: convert frame threading to the receive_frame() pattern

[Michael Niedermayer]

On Wed, Dec 07, 2022 at 02:20:23PM +0100, Timo Rothenpieler wrote:
> From: Anton Khirnov <anton at khirnov.net>
> 
> Reorganize the code such that the frame threading code does not call the
> decoders directly, but instead calls back into the generic decoding
> code. This avoids duplicating the logic that wraps the decoder
> invocation and will be useful in the following commits.
> ---
>  libavcodec/decode.c        |  57 +++++----
>  libavcodec/decode.h        |   7 +
>  libavcodec/internal.h      |   7 +
>  libavcodec/pthread_frame.c | 256 ++++++++++++++++++++++++-------------
>  libavcodec/thread.h        |  18 +--
>  5 files changed, 222 insertions(+), 123 deletions(-)

This breaks on arm (probably lack of pthread support) in this env

libavcodec/libavcodec.a(decode.o): In function `decode_receive_frame_internal':
arm/src/libavcodec/decode.c:616: undefined reference to `ff_thread_receive_frame'
arm/src/libavcodec/decode.c:616: undefined reference to `ff_thread_receive_frame'
collect2: error: ld returned 1 exit status
Makefile:131: recipe for target 'ffprobe_g' failed
make: *** [ffprobe_g] Error 1

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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