diff options
Diffstat (limited to 'libavutil/channel_layout.h')
| -rw-r--r-- | libavutil/channel_layout.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libavutil/channel_layout.h b/libavutil/channel_layout.h index 38c3337829..50bb8f03c5 100644 --- a/libavutil/channel_layout.h +++ b/libavutil/channel_layout.h @@ -142,6 +142,20 @@ enum AVMatrixEncoding { uint64_t av_get_channel_layout(const char *name); /** + * Return a channel layout and the number of channels based on the specified name. + * + * This function is similar to (@see av_get_channel_layout), but can also parse + * unknown channel layout specifications. + * + * @param[in] name channel layout specification string + * @param[out] channel_layout parsed channel layout (0 if unknown) + * @param[out] nb_channels number of channels + * + * @return 0 on success, AVERROR(EINVAL) if the parsing fails. + */ +int av_get_extended_channel_layout(const char *name, uint64_t* channel_layout, int* nb_channels); + +/** * Return a description of a channel layout. * If nb_channels is <= 0, it is guessed from the channel_layout. * |