diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-11-30 21:08:47 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-11-30 21:09:42 +0100 |
| commit | a3b9f53d7b2faa0d60fa2308351c5aef3381630f (patch) | |
| tree | 18d424501c153aae0fa07ae1e4ccc67874d1f163 /libavcodec/dcadec.c | |
| parent | d43d627a24dba944c3c6bf08146ad4945c2bc9b3 (diff) | |
| parent | 7dc827b7091b1ca85508b536fa776b49f363b0f4 (diff) | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
dcadec: Add some logging before returning on error
Conflicts:
libavcodec/dcadec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dcadec.c')
| -rw-r--r-- | libavcodec/dcadec.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c index 16a83171e9..cc2fa0af12 100644 --- a/libavcodec/dcadec.c +++ b/libavcodec/dcadec.c @@ -326,6 +326,8 @@ static const int8_t dca_channel_reorder_nolfe_xch[][9] = { #define DCA_BUFFER_PADDING_SIZE 1024 +#define DCA_NSYNCAUX 0x9A1105A0 + /** Bit allocation */ typedef struct { int offset; ///< code values offset @@ -1444,6 +1446,7 @@ static int dca_filter_channels(DCAContext *s, int block_index) static int dca_subframe_footer(DCAContext *s, int base_channel) { int in, out, aux_data_count, aux_data_end, reserved; + uint32_t nsyncaux; /* * Unpack optional information @@ -1462,8 +1465,9 @@ static int dca_subframe_footer(DCAContext *s, int base_channel) aux_data_end = 8 * aux_data_count + get_bits_count(&s->gb); - if (get_bits_long(&s->gb, 32) != 0x9A1105A0) { // nSYNCAUX - av_log(s->avctx,AV_LOG_ERROR, "nSYNCAUX mismatching\n"); + if ((nsyncaux = get_bits_long(&s->gb, 32)) != DCA_NSYNCAUX) { + av_log(s->avctx, AV_LOG_ERROR, "nSYNCAUX mismatch %#"PRIx32"\n", + nsyncaux); return AVERROR_INVALIDDATA; } @@ -1477,7 +1481,8 @@ static int dca_subframe_footer(DCAContext *s, int base_channel) } if ((s->core_downmix = get_bits1(&s->gb))) { - switch (get_bits(&s->gb, 3)) { + int am = get_bits(&s->gb, 3); + switch (am) { case 0: s->core_downmix_amode = DCA_MONO; break; @@ -1500,13 +1505,20 @@ static int dca_subframe_footer(DCAContext *s, int base_channel) s->core_downmix_amode = DCA_3F1R; break; default: + av_log(s->avctx, AV_LOG_ERROR, + "Invalid mode %d for embedded downmix coefficients\n", + am); return AVERROR_INVALIDDATA; } for (out = 0; out < dca_channels[s->core_downmix_amode]; out++) { for (in = 0; in < s->prim_channels + !!s->lfe; in++) { uint16_t tmp = get_bits(&s->gb, 9); - if ((tmp & 0xFF) > 241) + if ((tmp & 0xFF) > 241) { + av_log(s->avctx, AV_LOG_ERROR, + "Invalid downmix coefficient code %"PRIu16"\n", + tmp); return AVERROR_INVALIDDATA; + } s->core_downmix_codes[in][out] = tmp; } } @@ -1517,7 +1529,8 @@ static int dca_subframe_footer(DCAContext *s, int base_channel) // additional data (reserved, cf. ETSI TS 102 114 V1.4.1) if ((reserved = (aux_data_end - get_bits_count(&s->gb))) < 0) { - av_log(s->avctx, AV_LOG_ERROR, "overread aux by %d bits\n", -reserved); + av_log(s->avctx, AV_LOG_ERROR, + "Overread auxiliary data by %d bits\n", -reserved); return AVERROR_INVALIDDATA; } else if (reserved) { avpriv_request_sample(s->avctx, |