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fix(encoder): read pix_fmts from AVCodec->pix_fmts for old libavformat

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Signed-off-by: k4yt3x <i@k4yt3x.com>
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k4yt3x 2024-11-10 00:00:00 +00:00
parent e393910f21
commit 4c919de6ba
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2 changed files with 6 additions and 0 deletions
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2
include/libvideo2x/avutils.h
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@ -5,6 +5,8 @@ extern "C" {
#include <libavformat/avformat.h>
}
#define CALC_FFMPEG_VERSION(a, b, c) (a << 16 | b << 8 | c)
int64_t get_video_frame_count(AVFormatContext *ifmt_ctx, int in_vstream_idx);
enum AVPixelFormat

4
src/avutils.cpp
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@ -60,6 +60,7 @@ get_encoder_default_pix_fmt(const AVCodec *encoder, AVPixelFormat target_pix_fmt
char errbuf[AV_ERROR_MAX_STRING_SIZE];
// Retrieve the list of supported pixel formats
#if LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(61, 13, 100)
const enum AVPixelFormat *supported_pix_fmts = nullptr;
ret = avcodec_get_supported_config(
nullptr, encoder, AV_CODEC_CONFIG_PIX_FORMAT, 0, (const void **)&supported_pix_fmts, nullptr
@ -79,6 +80,9 @@ get_encoder_default_pix_fmt(const AVCodec *encoder, AVPixelFormat target_pix_fmt
return target_pix_fmt;
}
}
#else
const enum AVPixelFormat *supported_pix_fmts = encoder->pix_fmts;
#endif
// Determine if the target pixel format has an alpha channel
const AVPixFmtDescriptor *desc = nullptr;