diff options
author | Luca Barbato <lu_zero@gentoo.org> | 2013-03-05 19:34:16 +0400 |
---|---|---|
committer | Luca Barbato <lu_zero@gentoo.org> | 2013-03-06 04:04:02 +0400 |
commit | 4c364eb2b856fc33cf7b42f7c7b979e69fde5f3a (patch) | |
tree | 07f6065b8aa0c139abeaf67cf32a564f42e60092 /libavcodec/shorten.c | |
parent | a2ad554def214d2d03b7c16f68dc081a8622f9ca (diff) |
shorten: report meaningful errors
Diffstat (limited to 'libavcodec/shorten.c')
-rw-r--r-- | libavcodec/shorten.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/libavcodec/shorten.c b/libavcodec/shorten.c index 69a61dea67..dd3551624a 100644 --- a/libavcodec/shorten.c +++ b/libavcodec/shorten.c @@ -126,13 +126,13 @@ static int allocate_buffers(ShortenContext *s) for (chan = 0; chan < s->channels; chan++) { if (FFMAX(1, s->nmean) >= UINT_MAX / sizeof(int32_t)) { av_log(s->avctx, AV_LOG_ERROR, "nmean too large\n"); - return -1; + return AVERROR_INVALIDDATA; } if (s->blocksize + s->nwrap >= UINT_MAX / sizeof(int32_t) || s->blocksize + s->nwrap <= (unsigned)s->nwrap) { av_log(s->avctx, AV_LOG_ERROR, "s->blocksize + s->nwrap too large\n"); - return -1; + return AVERROR_INVALIDDATA; } tmp_ptr = @@ -205,14 +205,14 @@ static int decode_wave_header(AVCodecContext *avctx, const uint8_t *header, if (bytestream_get_le32(&header) != MKTAG('R', 'I', 'F', 'F')) { av_log(avctx, AV_LOG_ERROR, "missing RIFF tag\n"); - return -1; + return AVERROR_INVALIDDATA; } header += 4; /* chunk size */ if (bytestream_get_le32(&header) != MKTAG('W', 'A', 'V', 'E')) { av_log(avctx, AV_LOG_ERROR, "missing WAVE tag\n"); - return -1; + return AVERROR_INVALIDDATA; } while (bytestream_get_le32(&header) != MKTAG('f', 'm', 't', ' ')) { @@ -223,7 +223,7 @@ static int decode_wave_header(AVCodecContext *avctx, const uint8_t *header, if (len < 16) { av_log(avctx, AV_LOG_ERROR, "fmt chunk was too short\n"); - return -1; + return AVERROR_INVALIDDATA; } wave_format = bytestream_get_le16(&header); @@ -233,7 +233,7 @@ static int decode_wave_header(AVCodecContext *avctx, const uint8_t *header, break; default: av_log(avctx, AV_LOG_ERROR, "unsupported wave format\n"); - return -1; + return AVERROR(ENOSYS); } header += 2; // skip channels (already got from shorten header) @@ -244,7 +244,7 @@ static int decode_wave_header(AVCodecContext *avctx, const uint8_t *header, if (avctx->bits_per_coded_sample != 16) { av_log(avctx, AV_LOG_ERROR, "unsupported number of bits per sample\n"); - return -1; + return AVERROR(ENOSYS); } len -= 16; @@ -329,7 +329,7 @@ static int read_header(ShortenContext *s) /* shorten signature */ if (get_bits_long(&s->gb, 32) != AV_RB32("ajkg")) { av_log(s->avctx, AV_LOG_ERROR, "missing shorten magic 'ajkg'\n"); - return -1; + return AVERROR_INVALIDDATA; } s->lpcqoffset = 0; @@ -342,7 +342,7 @@ static int read_header(ShortenContext *s) if (s->channels <= 0 || s->channels > MAX_CHANNELS) { av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels); s->channels = 0; - return -1; + return AVERROR_INVALIDDATA; } s->avctx->channels = s->channels; @@ -380,7 +380,7 @@ static int read_header(ShortenContext *s) if (get_ur_golomb_shorten(&s->gb, FNSIZE) != FN_VERBATIM) { av_log(s->avctx, AV_LOG_ERROR, "missing verbatim section at beginning of stream\n"); - return -1; + return AVERROR_INVALIDDATA; } s->header_size = get_ur_golomb_shorten(&s->gb, VERBATIM_CKSIZE_SIZE); @@ -388,14 +388,14 @@ static int read_header(ShortenContext *s) s->header_size < CANONICAL_HEADER_SIZE) { av_log(s->avctx, AV_LOG_ERROR, "header is wrong size: %d\n", s->header_size); - return -1; + return AVERROR_INVALIDDATA; } for (i = 0; i < s->header_size; i++) s->header[i] = (char)get_ur_golomb_shorten(&s->gb, VERBATIM_BYTE_SIZE); - if (decode_wave_header(s->avctx, s->header, s->header_size) < 0) - return -1; + if ((ret = decode_wave_header(s->avctx, s->header, s->header_size)) < 0) + return ret; s->cur_chan = 0; s->bitshift = 0; @@ -610,7 +610,7 @@ finish_frame: av_log(s->avctx, AV_LOG_ERROR, "overread: %d\n", i - buf_size); s->bitstream_size = 0; s->bitstream_index = 0; - return -1; + return AVERROR_INVALIDDATA; } if (s->bitstream_size) { s->bitstream_index += i; |