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authorAneesh Dogra <lionaneesh@gmail.com>2012-02-08 23:18:40 +0530
committerJustin Ruggles <justin.ruggles@gmail.com>2012-02-10 15:38:24 -0500
commiteeb9e61a518f6b3a1a85dd44e44d55e395e015f6 (patch)
tree3111dd6ea6cc49c1a80b3f12a0ec6b154d4c7714 /libavcodec/v210enc.c
parentaf701d42c3550c9927652986229a96404346b1e4 (diff)
downloadffmpeg-eeb9e61a518f6b3a1a85dd44e44d55e395e015f6.tar.gz
v210enc: Use Bytestream2 functions
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
Diffstat (limited to 'libavcodec/v210enc.c')
-rw-r--r--libavcodec/v210enc.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/libavcodec/v210enc.c b/libavcodec/v210enc.c
index 77cb30bbfe..714b6fb551 100644
--- a/libavcodec/v210enc.c
+++ b/libavcodec/v210enc.c
@@ -55,18 +55,20 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
const AVFrame *pic = data;
int aligned_width = ((avctx->width + 47) / 48) * 48;
int stride = aligned_width * 8 / 3;
+ int line_padding = stride - ((avctx->width * 8 + 11) / 12) * 4;
int h, w;
const uint16_t *y = (const uint16_t*)pic->data[0];
const uint16_t *u = (const uint16_t*)pic->data[1];
const uint16_t *v = (const uint16_t*)pic->data[2];
- uint8_t *p = buf;
- uint8_t *pdst = buf;
+ PutByteContext p;
if (buf_size < avctx->height * stride) {
av_log(avctx, AV_LOG_ERROR, "output buffer too small\n");
return AVERROR(ENOMEM);
}
+ bytestream2_init_writer(&p, buf, buf_size);
+
#define CLIP(v) av_clip(v, 4, 1019)
#define WRITE_PIXELS(a, b, c) \
@@ -74,7 +76,7 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
val = CLIP(*a++); \
val |= (CLIP(*b++) << 10) | \
(CLIP(*c++) << 20); \
- bytestream_put_le32(&p, val); \
+ bytestream2_put_le32u(&p, val); \
} while (0)
for (h = 0; h < avctx->height; h++) {
@@ -90,25 +92,24 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
val = CLIP(*y++);
if (w == avctx->width - 2)
- bytestream_put_le32(&p, val);
+ bytestream2_put_le32u(&p, val);
}
if (w < avctx->width - 3) {
val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20);
- bytestream_put_le32(&p, val);
+ bytestream2_put_le32u(&p, val);
val = CLIP(*v++) | (CLIP(*y++) << 10);
- bytestream_put_le32(&p, val);
+ bytestream2_put_le32u(&p, val);
}
- pdst += stride;
- memset(p, 0, pdst - p);
- p = pdst;
+ bytestream2_set_buffer(&p, 0, line_padding);
+
y += pic->linesize[0] / 2 - avctx->width;
u += pic->linesize[1] / 2 - avctx->width / 2;
v += pic->linesize[2] / 2 - avctx->width / 2;
}
- return p - buf;
+ return bytestream2_tell_p(&p);
}
static av_cold int encode_close(AVCodecContext *avctx)