diff options
Diffstat (limited to 'include/opus.h')
| -rw-r--r-- | include/opus.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/opus.h b/include/opus.h index 38817b4..93a53a2 100644 --- a/include/opus.h +++ b/include/opus.h @@ -911,6 +911,64 @@ OPUS_EXPORT OPUS_WARN_UNUSED_RESULT int opus_repacketizer_get_nb_frames(OpusRepa */ OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_repacketizer_out(OpusRepacketizer *rp, unsigned char *data, opus_int32 maxlen) OPUS_ARG_NONNULL(1); +/** Pads a given Opus packet to a larger size (possibly changing the TOC sequence). + * @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the + * packet to pad. + * @param len <tt>opus_int32</tt>: The size of the packet. + * This must be at least 1. + * @param new_len <tt>opus_int32</tt>: The desired size of the packet after padding. + * This must be at least as large as len. + * @returns an error code + * @retval #OPUS_OK \a on success. + * @retval #OPUS_BAD_ARG \a len was less than 1 or new_len was less than len. + * @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet. + */ +OPUS_EXPORT int opus_packet_pad(unsigned char *data, opus_int32 len, opus_int32 new_len); + +/** Remove all padding from a given Opus packet and rewrite the TOC sequence to + * minimize space usage. + * @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the + * packet to strip. + * @param len <tt>opus_int32</tt>: The size of the packet. + * This must be at least 1. + * @returns The new size of the output packet on success, or an error code + * on failure. + * @retval #OPUS_BAD_ARG \a len was less than 1. + * @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet. + */ +OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_packet_unpad(unsigned char *data, opus_int32 len); + +/** Pads a given Opus multi-stream packet to a larger size (possibly changing the TOC sequence). + * @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the + * packet to pad. + * @param len <tt>opus_int32</tt>: The size of the packet. + * This must be at least 1. + * @param new_len <tt>opus_int32</tt>: The desired size of the packet after padding. + * This must be at least 1. + * @param nb_streams <tt>opus_int32</tt>: The number of streams (not channels) in the packet. + * This must be at least as large as len. + * @returns an error code + * @retval #OPUS_OK \a on success. + * @retval #OPUS_BAD_ARG \a len was less than 1. + * @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet. + */ +OPUS_EXPORT int opus_multistream_packet_pad(unsigned char *data, opus_int32 len, opus_int32 new_len, int nb_streams); + +/** Remove all padding from a given Opus multi-stream packet and rewrite the TOC sequence to + * minimize space usage. + * @param[in,out] data <tt>const unsigned char*</tt>: The buffer containing the + * packet to strip. + * @param len <tt>opus_int32</tt>: The size of the packet. + * This must be at least 1. + * @param nb_streams <tt>opus_int32</tt>: The number of streams (not channels) in the packet. + * This must be at least 1. + * @returns The new size of the output packet on success, or an error code + * on failure. + * @retval #OPUS_BAD_ARG \a len was less than 1 or new_len was less than len. + * @retval #OPUS_INVALID_PACKET \a data did not contain a valid Opus packet. + */ +OPUS_EXPORT OPUS_WARN_UNUSED_RESULT opus_int32 opus_multistream_packet_unpad(unsigned char *data, opus_int32 len, int nb_streams); + /**@}*/ #ifdef __cplusplus |