Lines Matching refs:channel_layout

417  * @param[out] channel_layout   parsed channel layout (0 if unknown)
424 int av_get_extended_channel_layout(const char *name, uint64_t* channel_layout, int* nb_channels);
428  * If nb_channels is <= 0, it is guessed from the channel_layout.
435 void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout);
442 void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout);
449 int av_get_channel_layout_nb_channels(uint64_t channel_layout);
460  * Get the index of a channel in channel_layout.
463  *                present in channel_layout.
465  * @return index of channel in channel_layout on success, a negative AVERROR
471 int av_get_channel_layout_channel_index(uint64_t channel_layout,
475  * Get the channel with the given index in channel_layout.
479 uint64_t av_channel_layout_extract_channel(uint64_t channel_layout, int index);
565  * @param channel_layout the layout structure to be initialized
571 int av_channel_layout_from_mask(AVChannelLayout *channel_layout, uint64_t mask);
586  * @param channel_layout input channel layout
590 int av_channel_layout_from_string(AVChannelLayout *channel_layout,
596  * @param channel_layout the layout structure to be initialized
616  * @param channel_layout the layout structure to be uninitialized
618 void av_channel_layout_uninit(AVChannelLayout *channel_layout);
624  * @note the destination channel_layout will be always uninitialized before copy.
638  * @param channel_layout channel layout to be described
645 int av_channel_layout_describe(const AVChannelLayout *channel_layout,
654 int av_channel_layout_describe_bprint(const AVChannelLayout *channel_layout,
660  * @param channel_layout input channel layout
661  * @return channel with the index idx in channel_layout on success or
666 av_channel_layout_channel_from_index(const AVChannelLayout *channel_layout, unsigned int idx);
672  * @param channel_layout input channel layout
673  * @return index of channel in channel_layout on success or a negative number if
674  *         channel is not present in channel_layout.
676 int av_channel_layout_index_from_channel(const AVChannelLayout *channel_layout,
686  * @param channel_layout input channel layout
690 int av_channel_layout_index_from_string(const AVChannelLayout *channel_layout,
699  * @param channel_layout input channel layout
700  * @return a channel described by the given string in channel_layout on success
705 av_channel_layout_channel_from_string(const AVChannelLayout *channel_layout,
712  * @param channel_layout input channel layout
715  *         in channel_layout
717 uint64_t av_channel_layout_subset(const AVChannelLayout *channel_layout,
724  * @param channel_layout input channel layout
725  * @return 1 if channel_layout is valid, 0 otherwise.
727 int av_channel_layout_check(const AVChannelLayout *channel_layout);