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| author | Nick Renieris <velocityra@gmail.com> | 2019-08-29 16:10:50 +0300 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2019-09-02 09:26:52 +0200 |
| commit | c44aa7f1761bc836f74727e70dc16409e8ccbb9c (patch) | |
| tree | d67b908d2f17de944bd204ab88a9ad40825ce47d /libavcodec/tiff.c | |
| parent | 31acdf4351a13195baa8ab453f4429d150dc25a2 (diff) | |
| download | ffmpeg-c44aa7f1761bc836f74727e70dc16409e8ccbb9c.tar.gz | |
lavc/tiff: Decode 10-bit and 14-bit DNG images
10-bit sample: http://www.rawsamples.ch/raws/phones/RAW_ONEPLUS_ONE-A0001.DNG
14-bit sample: https://drive.google.com/open?id=0B4JyRT3Lth5HVndyOTVOdWktM3J4TFEydTk1MnY3RWlpSzVB
Signed-off-by: Nick Renieris <velocityra@gmail.com>
Diffstat (limited to 'libavcodec/tiff.c')
| -rw-r--r-- | libavcodec/tiff.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index 4b40df73f9..f199fa27e8 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -309,14 +309,19 @@ static void av_always_inline horizontal_fill(TiffContext *s, dst[(width+offset)*2+0] = (usePtr ? src[width] : c) >> 4; } break; - case 12: { - uint16_t *dst16 = (uint16_t *)dst; - GetBitContext gb; - init_get_bits8(&gb, src, width); - for (int i = 0; i < s->width; i++) { - dst16[i] = get_bits(&gb, 12) << 4; - } - } + case 10: + case 12: + case 14: { + uint16_t *dst16 = (uint16_t *)dst; + int is_dng = (s->tiff_type == TIFF_TYPE_DNG || s->tiff_type == TIFF_TYPE_CINEMADNG); + uint8_t shift = is_dng ? 0 : 16 - bpp; + GetBitContext gb; + + init_get_bits8(&gb, src, width); + for (int i = 0; i < s->width; i++) { + dst16[i] = get_bits(&gb, bpp) << shift; + } + } break; default: if (usePtr) { @@ -1067,7 +1072,9 @@ static int init_image(TiffContext *s, ThreadFrame *frame) return AVERROR_PATCHWELCOME; } break; + case 10101: case 10121: + case 10141: switch (AV_RL32(s->pattern)) { case 0x02010100: s->avctx->pix_fmt = s->le ? AV_PIX_FMT_BAYER_RGGB16LE : AV_PIX_FMT_BAYER_RGGB16BE; |