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avcodec/ffv1enc: check encode_line()s return code

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-09-09 18:05:52 +02:00
parent 3728603f18
commit 77f521d9e5
1 changed files with 14 additions and 7 deletions
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21
libavcodec/ffv1enc.c
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@ -353,10 +353,10 @@ static av_always_inline int encode_line(FFV1Context *s, int w,
return 0;
}
static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
int stride, int plane_index)
{
int x, y, i;
int x, y, i, ret;
const int ring_size = s->avctx->context_model ? 3 : 2;
int16_t *sample[3];
s->run_index = 0;
@ -373,7 +373,8 @@ static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
if (s->bits_per_raw_sample <= 8) {
for (x = 0; x < w; x++)
sample[0][x] = src[x + stride * y];
encode_line(s, w, sample, plane_index, 8);
if((ret = encode_line(s, w, sample, plane_index, 8)) < 0)
return ret;
} else {
if (s->packed_at_lsb) {
for (x = 0; x < w; x++) {
@ -384,13 +385,15 @@ static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h,
sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - s->bits_per_raw_sample);
}
}
encode_line(s, w, sample, plane_index, s->bits_per_raw_sample);
if((ret = encode_line(s, w, sample, plane_index, s->bits_per_raw_sample)) < 0)
return ret;
}
// STOP_TIMER("encode line") }
}
return 0;
}
static void encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3])
static int encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3])
{
int x, y, p, i;
const int ring_size = s->avctx->context_model ? 3 : 2;
@ -435,14 +438,18 @@ static void encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int
sample[3][0][x] = a;
}
for (p = 0; p < 3 + s->transparency; p++) {
int ret;
sample[p][0][-1] = sample[p][1][0 ];
sample[p][1][ w] = sample[p][1][w-1];
if (lbd)
encode_line(s, w, sample[p], (p + 1) / 2, 9);
ret = encode_line(s, w, sample[p], (p + 1) / 2, 9);
else
encode_line(s, w, sample[p], (p + 1) / 2, bits + 1);
ret = encode_line(s, w, sample[p], (p + 1) / 2, bits + 1);
if (ret < 0)
return ret;
}
}
return 0;
}
static void write_quant_table(RangeCoder *c, int16_t *quant_table)