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Code Issues Releases Activity

avcodec/avcodec: Avoid relocations for color ranges

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-11-03 07:41:40 +01:00
committed by James Almer
parent 1d68ae7389
commit df1b6f9cfd
1 changed files with 13 additions and 16 deletions
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29
libavcodec/avcodec.c
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@@ -732,22 +732,15 @@ int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *fr
return 0; \
} while (0)
static const enum AVColorRange color_range_jpeg[] = {
AVCOL_RANGE_JPEG, AVCOL_RANGE_UNSPECIFIED
static const enum AVColorRange color_range_tab[] = {
AVCOL_RANGE_MPEG, AVCOL_RANGE_JPEG, AVCOL_RANGE_UNSPECIFIED,
AVCOL_RANGE_MPEG, AVCOL_RANGE_UNSPECIFIED,
};
static const enum AVColorRange color_range_mpeg[] = {
AVCOL_RANGE_MPEG, AVCOL_RANGE_UNSPECIFIED
};
static const enum AVColorRange color_range_all[] = {
AVCOL_RANGE_MPEG, AVCOL_RANGE_JPEG, AVCOL_RANGE_UNSPECIFIED
};
static const enum AVColorRange *color_range_table[] = {
[AVCOL_RANGE_MPEG] = color_range_mpeg,
[AVCOL_RANGE_JPEG] = color_range_jpeg,
[AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG] = color_range_all,
static const uint8_t color_range_offsets[] = {
[AVCOL_RANGE_MPEG] = 3,
[AVCOL_RANGE_JPEG] = 1,
[AVCOL_RANGE_MPEG | AVCOL_RANGE_JPEG] = 0,
};
int ff_default_get_supported_config(const AVCodecContext *avctx,
@@ -776,8 +769,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
case AV_CODEC_CONFIG_COLOR_RANGE:
if (codec->type != AVMEDIA_TYPE_VIDEO)
return AVERROR(EINVAL);
*out_configs = color_range_table[ffcodec(codec)->color_ranges];
*out_num_configs = av_popcount(ffcodec(codec)->color_ranges);
unsigned color_ranges = codec2->color_ranges;
if (color_ranges)
*out_configs = color_range_tab + color_range_offsets[color_ranges];
else
*out_configs = NULL;
*out_num_configs = av_popcount(color_ranges);
return 0;
case AV_CODEC_CONFIG_COLOR_SPACE: