mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/avformat: Constify AVFormatContext.*_codec pointers
This also allows to exclusively use pointers to const AVCodec in fftools/ffmpeg_opt.c. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com> Signed-off-by: James Almer <jamrial@gmail.com>
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@ -14,6 +14,9 @@ libavutil: 2017-10-21
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API changes, most recent first:
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API changes, most recent first:
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2021-04-27 - xxxxxxxxxx - lavf yyyyyyyyy - avformat.h
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Constified AVFormatContext.*_codec.
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2021-04-27 - xxxxxxxxxx - lavf yyyyyyyyy - avformat.h
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2021-04-27 - xxxxxxxxxx - lavf yyyyyyyyy - avformat.h
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Constified the pointers to AVInputFormats and AVOutputFormats
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Constified the pointers to AVInputFormats and AVOutputFormats
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in AVFormatContext, avformat_alloc_output_context2(),
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in AVFormatContext, avformat_alloc_output_context2(),
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@ -737,11 +737,11 @@ static int opt_recording_timestamp(void *optctx, const char *opt, const char *ar
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return 0;
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return 0;
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}
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}
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static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
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static const AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
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{
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{
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const AVCodecDescriptor *desc;
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const AVCodecDescriptor *desc;
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const char *codec_string = encoder ? "encoder" : "decoder";
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const char *codec_string = encoder ? "encoder" : "decoder";
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AVCodec *codec;
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const AVCodec *codec;
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codec = encoder ?
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codec = encoder ?
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avcodec_find_encoder_by_name(name) :
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avcodec_find_encoder_by_name(name) :
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@ -1598,7 +1598,7 @@ typedef struct AVFormatContext {
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* the same codec_id.
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* the same codec_id.
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* Demuxing: Set by user
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* Demuxing: Set by user
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*/
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*/
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AVCodec *video_codec;
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const AVCodec *video_codec;
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/**
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/**
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* Forced audio codec.
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* Forced audio codec.
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@ -1606,7 +1606,7 @@ typedef struct AVFormatContext {
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* the same codec_id.
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* the same codec_id.
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* Demuxing: Set by user
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* Demuxing: Set by user
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*/
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*/
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AVCodec *audio_codec;
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const AVCodec *audio_codec;
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/**
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/**
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* Forced subtitle codec.
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* Forced subtitle codec.
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@ -1614,7 +1614,7 @@ typedef struct AVFormatContext {
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* the same codec_id.
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* the same codec_id.
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* Demuxing: Set by user
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* Demuxing: Set by user
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*/
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*/
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AVCodec *subtitle_codec;
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const AVCodec *subtitle_codec;
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/**
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/**
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* Forced data codec.
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* Forced data codec.
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@ -1622,7 +1622,7 @@ typedef struct AVFormatContext {
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* the same codec_id.
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* the same codec_id.
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* Demuxing: Set by user
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* Demuxing: Set by user
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*/
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*/
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AVCodec *data_codec;
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const AVCodec *data_codec;
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/**
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/**
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* Number of bytes to be written as padding in a metadata header.
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* Number of bytes to be written as padding in a metadata header.
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