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avcodec/prores_aw : cosmetic indent and add comment to describe frame header value

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description are based on multimedia wiki documentation
This commit is contained in:
Martin Vignali 2018-11-08 22:05:18 +01:00
parent 105891cd58
commit 4d32c2b4e0
1 changed files with 5 additions and 5 deletions
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10
libavcodec/proresenc_anatoliy.c
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@ -541,7 +541,7 @@ static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
bytestream_put_buffer(&buf, "icpf", 4);
bytestream_put_be16(&buf, header_size);
bytestream_put_be16(&buf, 0);
bytestream_put_be16(&buf, 0); /* version */
bytestream_put_buffer(&buf, "fmpg", 4);
bytestream_put_be16(&buf, avctx->width);
bytestream_put_be16(&buf, avctx->height);
@ -550,7 +550,7 @@ static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
} else {
*buf++ = 0x82; // 422, not interlaced
}
*buf++ = 0;
*buf++ = 0; /* reserved */
*buf++ = pict->color_primaries;
*buf++ = pict->color_trc;
*buf++ = pict->colorspace;
@ -561,10 +561,10 @@ static int prores_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
*buf++ = 0xA2;/* src b64a and 16b alpha */
}
} else {
*buf++ = 32;
*buf++ = 32;/* src v210 and no alpha */
}
*buf++ = 0;
*buf++ = 3;
*buf++ = 0; /* reserved */
*buf++ = 3; /* luma and chroma matrix present */
bytestream_put_buffer(&buf, QMAT_LUMA[avctx->profile], 64);
bytestream_put_buffer(&buf, QMAT_CHROMA[avctx->profile], 64);