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common/av_common: constify mp_codec_params related getters 

They should not be modifying the argument, so clearly marking it
as const makes sure we don't do it in the future as well as allows
for read-only optimizations.
This commit is contained in:
Jan Ekström 2023-02-20 23:22:25 +02:00
parent 0da0acdae8
commit ef7b711bed
2 changed files with 6 additions and 6 deletions
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6
common/av_common.c
View File

@ -64,7 +64,7 @@ enum AVMediaType mp_to_av_stream_type(int type)
}
}
AVCodecParameters *mp_codec_params_to_av(struct mp_codec_params *c)
AVCodecParameters *mp_codec_params_to_av(const struct mp_codec_params *c)
{
AVCodecParameters *avp = avcodec_parameters_alloc();
if (!avp)
@ -125,7 +125,7 @@ error:
}
// Set avctx codec headers for decoding. Returns <0 on failure.
int mp_set_avctx_codec_headers(AVCodecContext *avctx, struct mp_codec_params *c)
int mp_set_avctx_codec_headers(AVCodecContext *avctx, const struct mp_codec_params *c)
{
enum AVMediaType codec_type = avctx->codec_type;
enum AVCodecID codec_id = avctx->codec_id;
@ -145,7 +145,7 @@ int mp_set_avctx_codec_headers(AVCodecContext *avctx, struct mp_codec_params *c)
// Pick a "good" timebase, which will be used to convert double timestamps
// back to fractions for passing them through libavcodec.
AVRational mp_get_codec_timebase(struct mp_codec_params *c)
AVRational mp_get_codec_timebase(const struct mp_codec_params *c)
{
AVRational tb = {c->native_tb_num, c->native_tb_den};
if (tb.num < 1 || tb.den < 1) {

6
common/av_common.h
View File

@ -33,9 +33,9 @@ struct mp_log;
int mp_lavc_set_extradata(AVCodecContext *avctx, void *ptr, int size);
enum AVMediaType mp_to_av_stream_type(int type);
AVCodecParameters *mp_codec_params_to_av(struct mp_codec_params *c);
int mp_set_avctx_codec_headers(AVCodecContext *avctx, struct mp_codec_params *c);
AVRational mp_get_codec_timebase(struct mp_codec_params *c);
AVCodecParameters *mp_codec_params_to_av(const struct mp_codec_params *c);
int mp_set_avctx_codec_headers(AVCodecContext *avctx, const struct mp_codec_params *c);
AVRational mp_get_codec_timebase(const struct mp_codec_params *c);
void mp_set_av_packet(AVPacket *dst, struct demux_packet *mpkt, AVRational *tb);
int64_t mp_pts_to_av(double mp_pts, AVRational *tb);
double mp_pts_from_av(int64_t av_pts, AVRational *tb);