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Support decoding yuv dpx images.

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This commit is contained in:
Carl Eugen Hoyos 2015-02-08 00:12:46 +01:00
parent ea329b60f5
commit 2efaaf9476
1 changed files with 31 additions and 0 deletions
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31
libavcodec/dpx.c
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@ -173,11 +173,16 @@ static int decode_frame(AVCodecContext *avctx,
break;
case 52: // ABGR
case 51: // RGBA
case 103: // UYVA4444
elements = 4;
break;
case 50: // RGB
case 102: // UYV444
elements = 3;
break;
case 100: // UYVY422
elements = 2;
break;
default:
avpriv_report_missing_feature(avctx, "Descriptor %d", descriptor);
return AVERROR_PATCHWELCOME;
@ -280,6 +285,15 @@ static int decode_frame(AVCodecContext *avctx,
case 51160:
avctx->pix_fmt = AV_PIX_FMT_RGBA64LE;
break;
case 100081:
avctx->pix_fmt = AV_PIX_FMT_UYVY422;
break;
case 102081:
avctx->pix_fmt = AV_PIX_FMT_YUV444P;
break;
case 103081:
avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported format\n");
return AVERROR_PATCHWELCOME;
@ -344,9 +358,26 @@ static int decode_frame(AVCodecContext *avctx,
case 16:
elements *= 2;
case 8:
if ( avctx->pix_fmt == AV_PIX_FMT_YUVA444P
|| avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
for (x = 0; x < avctx->height; x++) {
ptr[0] = p->data[0] + x * p->linesize[0];
ptr[1] = p->data[1] + x * p->linesize[1];
ptr[2] = p->data[2] + x * p->linesize[2];
ptr[3] = p->data[3] + x * p->linesize[3];
for (y = 0; y < avctx->width; y++) {
*ptr[1]++ = *buf++;
*ptr[0]++ = *buf++;
*ptr[2]++ = *buf++;
if (avctx->pix_fmt == AV_PIX_FMT_YUVA444P)
*ptr[3]++ = *buf++;
}
}
} else {
av_image_copy_plane(ptr[0], p->linesize[0],
buf, stride,
elements * avctx->width, avctx->height);
}
break;
}