diff options
| author | Georg Lippitsch <georg.lippitsch@gmx.at> | 2012-10-12 21:18:50 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-13 00:31:21 +0200 |
| commit | 24778c32d80e4045401e4c09ea3f9c12c431167e (patch) | |
| tree | 7531ecd05984c34ab94951cd6c56f2385432d198 | |
| parent | 05b7315412c3500edd525aa6e7f972f970dc692d (diff) | |
Fix writing 12 bit DPX
The DPX encoder now writes 12 DPX that open correctly (tested with
ImageMagick), and also correspond to the 12 bit sample files at
http://samples.ffmpeg.org/image-samples/dpx_samples.zip
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/dpxenc.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/libavcodec/dpxenc.c b/libavcodec/dpxenc.c index 8ef057f949..9b2cc6f94e 100644 --- a/libavcodec/dpxenc.c +++ b/libavcodec/dpxenc.c @@ -104,7 +104,7 @@ static void encode_rgb48_10bit(AVCodecContext *avctx, const AVPicture *pic, uint for (y = 0; y < avctx->height; y++) { for (x = 0; x < avctx->width; x++) { int value; - if ((avctx->pix_fmt & 1)) { + if (s->big_endian) { value = ((AV_RB16(src + 6*x + 4) & 0xFFC0) >> 4) | ((AV_RB16(src + 6*x + 2) & 0xFFC0) << 6) | ((AV_RB16(src + 6*x + 0) & 0xFFC0) << 16); @@ -129,7 +129,7 @@ static void encode_gbrp10(AVCodecContext *avctx, const AVPicture *pic, uint8_t * for (y = 0; y < avctx->height; y++) { for (x = 0; x < avctx->width; x++) { int value; - if ((avctx->pix_fmt & 1)) { + if (s->big_endian) { value = (AV_RB16(src[0] + 2*x) << 12) | (AV_RB16(src[1] + 2*x) << 2) | (AV_RB16(src[2] + 2*x) << 22); @@ -148,14 +148,25 @@ static void encode_gbrp10(AVCodecContext *avctx, const AVPicture *pic, uint8_t * static void encode_gbrp12(AVCodecContext *avctx, const AVPicture *pic, uint16_t *dst) { + DPXContext *s = avctx->priv_data; const uint16_t *src[3] = {(uint16_t*)pic->data[0], (uint16_t*)pic->data[1], (uint16_t*)pic->data[2]}; int x, y, i; for (y = 0; y < avctx->height; y++) { for (x = 0; x < avctx->width; x++) { + uint16_t value[3]; + if (s->big_endian) { + value[1] = AV_RB16(src[0] + x) << 4; + value[2] = AV_RB16(src[1] + x) << 4; + value[0] = AV_RB16(src[2] + x) << 4; + } else { + value[1] = AV_RL16(src[0] + x) << 4; + value[2] = AV_RL16(src[1] + x) << 4; + value[0] = AV_RL16(src[2] + x) << 4; + } for (i = 0; i < 3; i++) - *dst++ = *(src[i] + x); + write16(dst++, value[i]); } for (i = 0; i < 3; i++) src[i] += pic->linesize[i]/2; |