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avcodec/mjpegdec: deprecate extern_huff option

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This commit is contained in:
Ramiro Polla
2026-01-19 18:24:30 +01:00
parent afcde6551c
commit 72167e5150
3 changed files with 11 additions and 1 deletions
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8
libavcodec/mjpegdec.c
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@@ -147,6 +147,7 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
if ((ret = init_default_huffman_tables(s)) < 0)
return ret;
#if FF_API_MJPEG_EXTERN_HUFF
if (s->extern_huff && avctx->extradata) {
av_log(avctx, AV_LOG_INFO, "using external huffman table\n");
bytestream2_init(&s->gB, avctx->extradata, avctx->extradata_size);
@@ -157,6 +158,7 @@ av_cold int ff_mjpeg_decode_init(AVCodecContext *avctx)
return ret;
}
}
#endif
if (avctx->field_order == AV_FIELD_BB) { /* quicktime icefloe 019 */
s->interlace_polarity = 1; /* bottom field first */
av_log(avctx, AV_LOG_DEBUG, "bottom field first\n");
@@ -2953,18 +2955,22 @@ static av_cold void decode_flush(AVCodecContext *avctx)
}
#if CONFIG_MJPEG_DECODER
#if FF_API_MJPEG_EXTERN_HUFF
#define OFFSET(x) offsetof(MJpegDecodeContext, x)
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption options[] = {
{ "extern_huff", "Use external huffman table.",
OFFSET(extern_huff), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
OFFSET(extern_huff), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD | AV_OPT_FLAG_DEPRECATED },
{ NULL },
};
#endif
static const AVClass mjpegdec_class = {
.class_name = "MJPEG decoder",
.item_name = av_default_item_name,
#if FF_API_MJPEG_EXTERN_HUFF
.option = options,
#endif
.version = LIBAVUTIL_VERSION_INT,
};

2
libavcodec/mjpegdec.h
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@@ -144,7 +144,9 @@ typedef struct MJpegDecodeContext {
uint16_t (*ljpeg_buffer)[4];
unsigned int ljpeg_buffer_size;
#if FF_API_MJPEG_EXTERN_HUFF
int extern_huff;
#endif
AVExifMetadata exif_metadata;
AVStereo3D *stereo3d; ///!< stereoscopic information (cached, since it is read before frame allocation)

2
libavcodec/version_major.h
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@@ -49,6 +49,8 @@
#define FF_API_PARSER_PRIVATE (LIBAVCODEC_VERSION_MAJOR < 63)
#define FF_API_PARSER_CODECID (LIBAVCODEC_VERSION_MAJOR < 63)
#define FF_API_MJPEG_EXTERN_HUFF (LIBAVCODEC_VERSION_MAJOR < 63)
// reminder to remove the OMX encoder on next major bump
#define FF_CODEC_OMX (LIBAVCODEC_VERSION_MAJOR < 63)
// reminder to remove Sonic Lossy/Lossless encoders on next major bump