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huffyuv: return meaningful error codes 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-12-06 16:56:40 +00:00
parent 4a722a5cab
commit 4d1912ff4d
1 changed files with 16 additions and 16 deletions
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32
libavcodec/huffyuv.c
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@ -472,7 +472,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
if ( read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4,
avctx->extradata_size - 4) < 0)
return -1;
return AVERROR_INVALIDDATA;
}else{
switch (avctx->bits_per_coded_sample & 7) {
case 1:
@ -500,7 +500,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
s->context = 0;
if (read_old_huffman_tables(s) < 0)
return -1;
return AVERROR_INVALIDDATA;
}
switch (s->bitstream_bpp) {
@ -559,10 +559,10 @@ static av_cold int decode_init_thread_copy(AVCodecContext *avctx)
if (s->version == 2) {
if (read_huffman_tables(s, ((uint8_t*)avctx->extradata) + 4,
avctx->extradata_size) < 0)
return -1;
return AVERROR_INVALIDDATA;
} else {
if (read_old_huffman_tables(s) < 0)
return -1;
return AVERROR_INVALIDDATA;
}
return 0;
@ -628,7 +628,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
break;
default:
av_log(avctx, AV_LOG_ERROR, "format not supported\n");
return -1;
return AVERROR(EINVAL);
}
avctx->bits_per_coded_sample = s->bitstream_bpp;
s->decorrelate = s->bitstream_bpp >= 24;
@ -640,7 +640,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR,
"context=1 is not compatible with "
"2 pass huffyuv encoding\n");
return -1;
return AVERROR(EINVAL);
}
}else s->context= 0;
@ -649,13 +649,13 @@ static av_cold int encode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR,
"Error: YV12 is not supported by huffyuv; use "
"vcodec=ffvhuff or format=422p\n");
return -1;
return AVERROR(EINVAL);
}
if (avctx->context_model) {
av_log(avctx, AV_LOG_ERROR,
"Error: per-frame huffman tables are not supported "
"by huffyuv; use vcodec=ffvhuff\n");
return -1;
return AVERROR(EINVAL);
}
if (s->interlaced != ( s->height > 288 ))
av_log(avctx, AV_LOG_INFO,
@ -665,7 +665,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
if (s->bitstream_bpp >= 24 && s->predictor == MEDIAN) {
av_log(avctx, AV_LOG_ERROR,
"Error: RGB is incompatible with median predictor\n");
return -1;
return AVERROR(EINVAL);
}
((uint8_t*)avctx->extradata)[0] = s->predictor | (s->decorrelate << 6);
@ -1017,7 +1017,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
const int height = s->height;
int fake_ystride, fake_ustride, fake_vstride;
AVFrame * const p = &s->picture;
int table_size = 0;
int table_size = 0, ret;
AVFrame *picture = data;
@ -1034,19 +1034,19 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
ff_thread_release_buffer(avctx, p);
p->reference = 0;
if (ff_thread_get_buffer(avctx, p) < 0) {
if ((ret = ff_thread_get_buffer(avctx, p)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
return ret;
}
if (s->context) {
table_size = read_huffman_tables(s, s->bitstream_buffer, buf_size);
if (table_size < 0)
return -1;
return AVERROR_INVALIDDATA;
}
if ((unsigned)(buf_size-table_size) >= INT_MAX / 8)
return -1;
return AVERROR_INVALIDDATA;
init_get_bits(&s->gb, s->bitstream_buffer+table_size,
(buf_size-table_size) * 8);
@ -1070,7 +1070,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
av_log(avctx, AV_LOG_ERROR,
"YUY2 output is not implemented yet\n");
return -1;
return AVERROR_PATCHWELCOME;
} else {
leftv = p->data[2][0] = get_bits(&s->gb, 8);
@ -1252,7 +1252,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
}else{
av_log(avctx, AV_LOG_ERROR,
"BGR24 output is not implemented yet\n");
return -1;
return AVERROR_PATCHWELCOME;
}
}
emms_c();