diff options
| -rw-r--r-- | libavcodec/aacdec_template.c | 2 | ||||
| -rw-r--r-- | libavcodec/mpeg4audio.c | 22 | ||||
| -rw-r--r-- | libavcodec/mpeg4audio.h | 17 |
3 files changed, 37 insertions, 4 deletions
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c index 6e086e00df..8726c8b828 100644 --- a/libavcodec/aacdec_template.c +++ b/libavcodec/aacdec_template.c @@ -975,7 +975,7 @@ static int decode_audio_specific_config_gb(AACContext *ac, int i, ret; GetBitContext gbc = *gb; - if ((i = ff_mpeg4audio_get_config_gb(m4ac, &gbc, sync_extension)) < 0) + if ((i = ff_mpeg4audio_get_config_gb(m4ac, &gbc, sync_extension, avctx)) < 0) return AVERROR_INVALIDDATA; if (m4ac->sampling_index > 12) { diff --git a/libavcodec/mpeg4audio.c b/libavcodec/mpeg4audio.c index 219714752f..6962a42537 100644 --- a/libavcodec/mpeg4audio.c +++ b/libavcodec/mpeg4audio.c @@ -84,7 +84,7 @@ static inline int get_sample_rate(GetBitContext *gb, int *index) } int ff_mpeg4audio_get_config_gb(MPEG4AudioConfig *c, GetBitContext *gb, - int sync_extension) + int sync_extension, void *logctx) { int specific_config_bitindex, ret; int start_bit_index = get_bits_count(gb); @@ -152,6 +152,7 @@ int ff_mpeg4audio_get_config_gb(MPEG4AudioConfig *c, GetBitContext *gb, return specific_config_bitindex - start_bit_index; } +#if LIBAVCODEC_VERSION_MAJOR < 59 int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension) { @@ -165,5 +166,22 @@ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, if (ret < 0) return ret; - return ff_mpeg4audio_get_config_gb(c, &gb, sync_extension); + return ff_mpeg4audio_get_config_gb(c, &gb, sync_extension, NULL); +} +#endif + +int avpriv_mpeg4audio_get_config2(MPEG4AudioConfig *c, const uint8_t *buf, + int size, int sync_extension, void *logctx) +{ + GetBitContext gb; + int ret; + + if (size <= 0) + return AVERROR_INVALIDDATA; + + ret = init_get_bits8(&gb, buf, size); + if (ret < 0) + return ret; + + return ff_mpeg4audio_get_config_gb(c, &gb, sync_extension, logctx); } diff --git a/libavcodec/mpeg4audio.h b/libavcodec/mpeg4audio.h index b9cea8af17..00aa680c13 100644 --- a/libavcodec/mpeg4audio.h +++ b/libavcodec/mpeg4audio.h @@ -53,11 +53,13 @@ extern const uint8_t ff_mpeg4audio_channels[8]; * @param[in] c MPEG4AudioConfig structure to fill. * @param[in] gb Extradata from container. * @param[in] sync_extension look for a sync extension after config if true. + * @param[in] logctx opaque struct starting with an AVClass element, used for logging. * @return On error -1 is returned, on success AudioSpecificConfig bit index in extradata. */ int ff_mpeg4audio_get_config_gb(MPEG4AudioConfig *c, GetBitContext *gb, - int sync_extension); + int sync_extension, void *logctx); +#if LIBAVCODEC_VERSION_MAJOR < 59 /** * Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. * @param[in] c MPEG4AudioConfig structure to fill. @@ -68,6 +70,19 @@ int ff_mpeg4audio_get_config_gb(MPEG4AudioConfig *c, GetBitContext *gb, */ int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int bit_size, int sync_extension); +#endif + +/** + * Parse MPEG-4 systems extradata from a raw buffer to retrieve audio configuration. + * @param[in] c MPEG4AudioConfig structure to fill. + * @param[in] buf Extradata from container. + * @param[in] size Extradata size in bytes. + * @param[in] sync_extension look for a sync extension after config if true. + * @param[in] logctx opaque struct starting with an AVClass element, used for logging. + * @return negative AVERROR code on error, AudioSpecificConfig bit index in extradata on success. + */ +int avpriv_mpeg4audio_get_config2(MPEG4AudioConfig *c, const uint8_t *buf, + int size, int sync_extension, void *logctx); enum AudioObjectType { AOT_NULL, |