diff options
| author | Paul B Mahol <onemda@gmail.com> | 2023-09-27 15:41:01 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2023-09-28 19:37:58 +0200 |
| commit | eaffbd9ac4d975f1c6330c17af27fadf0bc3d0c3 (patch) | |
| tree | d1db853d191686e39527c231954638c7e127b59d /libavcodec/magicyuv.c | |
| parent | 29b673bdcfe1cd37de40b1714bfbcc03817cef7e (diff) | |
| download | ffmpeg-eaffbd9ac4d975f1c6330c17af27fadf0bc3d0c3.tar.gz | |
avcodec/magicyuv: add 14bit rgb(a) support
Diffstat (limited to 'libavcodec/magicyuv.c')
| -rw-r--r-- | libavcodec/magicyuv.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c index 539da54c2f..3573db0f0a 100644 --- a/libavcodec/magicyuv.c +++ b/libavcodec/magicyuv.c @@ -73,12 +73,16 @@ typedef struct MagicYUVContext { int (*magy_decode_slice)(AVCodecContext *avctx, void *tdata, int j, int threadnr); LLVidDSPContext llviddsp; + HuffEntry he[1 << 14]; + uint8_t len[1 << 14]; } MagicYUVContext; -static int huff_build(const uint8_t len[], uint16_t codes_pos[33], +static int huff_build(AVCodecContext *avctx, + const uint8_t len[], uint16_t codes_pos[33], VLC *vlc, VLC_MULTI *multi, int nb_elems, void *logctx) { - HuffEntry he[4096]; + MagicYUVContext *s = avctx->priv_data; + HuffEntry *he = s->he; for (int i = 31; i > 0; i--) codes_pos[i] += codes_pos[i + 1]; @@ -381,7 +385,7 @@ static int build_huffman(AVCodecContext *avctx, const uint8_t *table, { MagicYUVContext *s = avctx->priv_data; GetByteContext gb; - uint8_t len[4096]; + uint8_t *len = s->len; uint16_t length_count[33] = { 0 }; int i = 0, j = 0, k; @@ -409,7 +413,7 @@ static int build_huffman(AVCodecContext *avctx, const uint8_t *table, if (j == max) { j = 0; - if (huff_build(len, length_count, &s->vlc[i], &s->multi[i], max, avctx)) { + if (huff_build(avctx, len, length_count, &s->vlc[i], &s->multi[i], max, avctx)) { av_log(avctx, AV_LOG_ERROR, "Cannot build Huffman codes\n"); return AVERROR_INVALIDDATA; } @@ -526,6 +530,16 @@ static int magy_decode_frame(AVCodecContext *avctx, AVFrame *p, s->decorrelate = 1; s->bps = 12; break; + case 0x71: + avctx->pix_fmt = AV_PIX_FMT_GBRP14; + s->decorrelate = 1; + s->bps = 14; + break; + case 0x72: + avctx->pix_fmt = AV_PIX_FMT_GBRAP14; + s->decorrelate = 1; + s->bps = 14; + break; case 0x73: avctx->pix_fmt = AV_PIX_FMT_GRAY10; s->bps = 10; @@ -653,7 +667,9 @@ static int magy_decode_frame(AVCodecContext *avctx, AVFrame *p, avctx->pix_fmt == AV_PIX_FMT_GBRP10 || avctx->pix_fmt == AV_PIX_FMT_GBRAP10|| avctx->pix_fmt == AV_PIX_FMT_GBRAP12|| - avctx->pix_fmt == AV_PIX_FMT_GBRP12) { + avctx->pix_fmt == AV_PIX_FMT_GBRAP14|| + avctx->pix_fmt == AV_PIX_FMT_GBRP12|| + avctx->pix_fmt == AV_PIX_FMT_GBRP14) { FFSWAP(uint8_t*, p->data[0], p->data[1]); FFSWAP(int, p->linesize[0], p->linesize[1]); } else { |