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| author | Anton Khirnov <anton@khirnov.net> | 2012-11-15 10:29:28 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-01-06 13:31:39 +0100 |
| commit | 11c3f2047e94719765dae8b19a8023689056e767 (patch) | |
| tree | 20d21986aec5dad9978314698c17fb5e72dc95d8 /libavcodec | |
| parent | 2b011a43e9e56065052418c3b151226fb8bc8de9 (diff) | |
| download | ffmpeg-11c3f2047e94719765dae8b19a8023689056e767.tar.gz | |
c93: return meaningful error codes.
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/c93.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/libavcodec/c93.c b/libavcodec/c93.c index b820f5a9da..b7205855bb 100644 --- a/libavcodec/c93.c +++ b/libavcodec/c93.c @@ -79,7 +79,7 @@ static inline int copy_block(AVCodecContext *avctx, uint8_t *to, if (from_y + height > HEIGHT) { av_log(avctx, AV_LOG_ERROR, "invalid offset %d during C93 decoding\n", offset); - return -1; + return AVERROR_INVALIDDATA; } if (overflow > 0) { @@ -123,16 +123,16 @@ static int decode_frame(AVCodecContext *avctx, void *data, AVFrame *picture = data; GetByteContext gb; uint8_t *out; - int stride, i, x, y, b, bt = 0; + int stride, ret, i, x, y, b, bt = 0; c93->currentpic ^= 1; newpic->reference = 1; newpic->buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE | FF_BUFFER_HINTS_READABLE; - if (avctx->reget_buffer(avctx, newpic)) { + if ((ret = avctx->reget_buffer(avctx, newpic)) < 0) { av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n"); - return -1; + return ret; } stride = newpic->linesize[0]; @@ -162,8 +162,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, switch (block_type) { case C93_8X8_FROM_PREV: offset = bytestream2_get_le16(&gb); - if (copy_block(avctx, out, copy_from, offset, 8, stride)) - return -1; + if ((ret = copy_block(avctx, out, copy_from, offset, 8, stride)) < 0) + return ret; break; case C93_4X4_FROM_CURR: @@ -172,9 +172,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, for (j = 0; j < 8; j += 4) { for (i = 0; i < 8; i += 4) { offset = bytestream2_get_le16(&gb); - if (copy_block(avctx, &out[j*stride+i], - copy_from, offset, 4, stride)) - return -1; + if ((ret = copy_block(avctx, &out[j*stride+i], + copy_from, offset, 4, stride)) < 0) + return ret; } } break; @@ -221,7 +221,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, default: av_log(avctx, AV_LOG_ERROR, "unexpected type %x at %dx%d\n", block_type, x, y); - return -1; + return AVERROR_INVALIDDATA; } bt >>= 4; out += 8; |