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Code Issues Releases Activity

lavc/dpx: Support decoding 10 bit colourspace with transparency information.

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Fixes one sample from ticket #5639.
This commit is contained in:
Carl Eugen Hoyos 2016-06-14 17:02:34 +02:00
parent 6bcc6fd55d
commit d5ded429f2
1 changed files with 9 additions and 6 deletions
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15
libavcodec/dpx.c
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@ -256,11 +256,13 @@ static int decode_frame(AVCodecContext *avctx,
avctx->pix_fmt = AV_PIX_FMT_RGBA;
break;
case 50100:
case 51100:
case 50101:
case 51101:
avctx->pix_fmt = AV_PIX_FMT_GBRP10;
break;
case 51100:
case 51101:
avctx->pix_fmt = AV_PIX_FMT_GBRAP10;
break;
case 50120:
case 51120:
case 50121:
@ -313,9 +315,10 @@ static int decode_frame(AVCodecContext *avctx,
switch (bits_per_color) {
case 10:
for (x = 0; x < avctx->height; x++) {
uint16_t *dst[3] = {(uint16_t*)ptr[0],
uint16_t *dst[4] = {(uint16_t*)ptr[0],
(uint16_t*)ptr[1],
(uint16_t*)ptr[2]};
(uint16_t*)ptr[2],
(uint16_t*)ptr[3]};
for (y = 0; y < avctx->width; y++) {
*dst[2]++ = read10in32(&buf, &rgbBuffer,
&n_datum, endian);
@ -323,13 +326,13 @@ static int decode_frame(AVCodecContext *avctx,
&n_datum, endian);
*dst[1]++ = read10in32(&buf, &rgbBuffer,
&n_datum, endian);
// For 10 bit, ignore alpha
if (elements == 4)
*dst[3]++ =
read10in32(&buf, &rgbBuffer,
&n_datum, endian);
}
n_datum = 0;
for (i = 0; i < 3; i++)
for (i = 0; i < elements; i++)
ptr[i] += p->linesize[i];
}
break;