|
| #define | AV_CH_FRONT_LEFT (1ULL << AV_CHAN_FRONT_LEFT ) |
| |
| #define | AV_CH_FRONT_RIGHT (1ULL << AV_CHAN_FRONT_RIGHT ) |
| |
| #define | AV_CH_FRONT_CENTER (1ULL << AV_CHAN_FRONT_CENTER ) |
| |
| #define | AV_CH_LOW_FREQUENCY (1ULL << AV_CHAN_LOW_FREQUENCY ) |
| |
| #define | AV_CH_BACK_LEFT (1ULL << AV_CHAN_BACK_LEFT ) |
| |
| #define | AV_CH_BACK_RIGHT (1ULL << AV_CHAN_BACK_RIGHT ) |
| |
| #define | AV_CH_FRONT_LEFT_OF_CENTER (1ULL << AV_CHAN_FRONT_LEFT_OF_CENTER ) |
| |
| #define | AV_CH_FRONT_RIGHT_OF_CENTER (1ULL << AV_CHAN_FRONT_RIGHT_OF_CENTER) |
| |
| #define | AV_CH_BACK_CENTER (1ULL << AV_CHAN_BACK_CENTER ) |
| |
| #define | AV_CH_SIDE_LEFT (1ULL << AV_CHAN_SIDE_LEFT ) |
| |
| #define | AV_CH_SIDE_RIGHT (1ULL << AV_CHAN_SIDE_RIGHT ) |
| |
| #define | AV_CH_TOP_CENTER (1ULL << AV_CHAN_TOP_CENTER ) |
| |
| #define | AV_CH_TOP_FRONT_LEFT (1ULL << AV_CHAN_TOP_FRONT_LEFT ) |
| |
| #define | AV_CH_TOP_FRONT_CENTER (1ULL << AV_CHAN_TOP_FRONT_CENTER ) |
| |
| #define | AV_CH_TOP_FRONT_RIGHT (1ULL << AV_CHAN_TOP_FRONT_RIGHT ) |
| |
| #define | AV_CH_TOP_BACK_LEFT (1ULL << AV_CHAN_TOP_BACK_LEFT ) |
| |
| #define | AV_CH_TOP_BACK_CENTER (1ULL << AV_CHAN_TOP_BACK_CENTER ) |
| |
| #define | AV_CH_TOP_BACK_RIGHT (1ULL << AV_CHAN_TOP_BACK_RIGHT ) |
| |
| #define | AV_CH_STEREO_LEFT (1ULL << AV_CHAN_STEREO_LEFT ) |
| |
| #define | AV_CH_STEREO_RIGHT (1ULL << AV_CHAN_STEREO_RIGHT ) |
| |
| #define | AV_CH_WIDE_LEFT (1ULL << AV_CHAN_WIDE_LEFT ) |
| |
| #define | AV_CH_WIDE_RIGHT (1ULL << AV_CHAN_WIDE_RIGHT ) |
| |
| #define | AV_CH_SURROUND_DIRECT_LEFT (1ULL << AV_CHAN_SURROUND_DIRECT_LEFT ) |
| |
| #define | AV_CH_SURROUND_DIRECT_RIGHT (1ULL << AV_CHAN_SURROUND_DIRECT_RIGHT) |
| |
| #define | AV_CH_LOW_FREQUENCY_2 (1ULL << AV_CHAN_LOW_FREQUENCY_2 ) |
| |
| #define | AV_CH_TOP_SIDE_LEFT (1ULL << AV_CHAN_TOP_SIDE_LEFT ) |
| |
| #define | AV_CH_TOP_SIDE_RIGHT (1ULL << AV_CHAN_TOP_SIDE_RIGHT ) |
| |
| #define | AV_CH_BOTTOM_FRONT_CENTER (1ULL << AV_CHAN_BOTTOM_FRONT_CENTER ) |
| |
| #define | AV_CH_BOTTOM_FRONT_LEFT (1ULL << AV_CHAN_BOTTOM_FRONT_LEFT ) |
| |
| #define | AV_CH_BOTTOM_FRONT_RIGHT (1ULL << AV_CHAN_BOTTOM_FRONT_RIGHT ) |
| |
| #define | AV_CH_LAYOUT_NATIVE 0x8000000000000000ULL |
| | Channel mask value used for AVCodecContext.request_channel_layout to indicate that the user requests the channel order of the decoder output to be the native codec channel order. More...
|
| |
| #define | AV_CH_LAYOUT_MONO (AV_CH_FRONT_CENTER) |
| |
| #define | AV_CH_LAYOUT_STEREO (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT) |
| |
| #define | AV_CH_LAYOUT_2POINT1 (AV_CH_LAYOUT_STEREO|AV_CH_LOW_FREQUENCY) |
| |
| #define | AV_CH_LAYOUT_2_1 (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER) |
| |
| #define | AV_CH_LAYOUT_SURROUND (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER) |
| |
| #define | AV_CH_LAYOUT_3POINT1 (AV_CH_LAYOUT_SURROUND|AV_CH_LOW_FREQUENCY) |
| |
| #define | AV_CH_LAYOUT_4POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER) |
| |
| #define | AV_CH_LAYOUT_4POINT1 (AV_CH_LAYOUT_4POINT0|AV_CH_LOW_FREQUENCY) |
| |
| #define | AV_CH_LAYOUT_2_2 (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT) |
| |
| #define | AV_CH_LAYOUT_QUAD (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
| |
| #define | AV_CH_LAYOUT_5POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT) |
| |
| #define | AV_CH_LAYOUT_5POINT1 (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY) |
| |
| #define | AV_CH_LAYOUT_5POINT0_BACK (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
| |
| #define | AV_CH_LAYOUT_5POINT1_BACK (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY) |
| |
| #define | AV_CH_LAYOUT_6POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_CENTER) |
| |
| #define | AV_CH_LAYOUT_6POINT0_FRONT (AV_CH_LAYOUT_2_2|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
| |
| #define | AV_CH_LAYOUT_HEXAGONAL (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_BACK_CENTER) |
| |
| #define | AV_CH_LAYOUT_6POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_CENTER) |
| |
| #define | AV_CH_LAYOUT_6POINT1_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_BACK_CENTER) |
| |
| #define | AV_CH_LAYOUT_6POINT1_FRONT (AV_CH_LAYOUT_6POINT0_FRONT|AV_CH_LOW_FREQUENCY) |
| |
| #define | AV_CH_LAYOUT_7POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
| |
| #define | AV_CH_LAYOUT_7POINT0_FRONT (AV_CH_LAYOUT_5POINT0|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
| |
| #define | AV_CH_LAYOUT_7POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT) |
| |
| #define | AV_CH_LAYOUT_7POINT1_WIDE (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
| |
| #define | AV_CH_LAYOUT_7POINT1_WIDE_BACK (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER) |
| |
| #define | AV_CH_LAYOUT_OCTAGONAL (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_CENTER|AV_CH_BACK_RIGHT) |
| |
| #define | AV_CH_LAYOUT_HEXADECAGONAL (AV_CH_LAYOUT_OCTAGONAL|AV_CH_WIDE_LEFT|AV_CH_WIDE_RIGHT|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT|AV_CH_TOP_BACK_CENTER|AV_CH_TOP_FRONT_CENTER|AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT) |
| |
| #define | AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT) |
| |
| #define | AV_CH_LAYOUT_22POINT2 (AV_CH_LAYOUT_5POINT1_BACK|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER|AV_CH_BACK_CENTER|AV_CH_LOW_FREQUENCY_2|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT|AV_CH_TOP_FRONT_LEFT|AV_CH_TOP_FRONT_RIGHT|AV_CH_TOP_FRONT_CENTER|AV_CH_TOP_CENTER|AV_CH_TOP_BACK_LEFT|AV_CH_TOP_BACK_RIGHT|AV_CH_TOP_SIDE_LEFT|AV_CH_TOP_SIDE_RIGHT|AV_CH_TOP_BACK_CENTER|AV_CH_BOTTOM_FRONT_CENTER|AV_CH_BOTTOM_FRONT_LEFT|AV_CH_BOTTOM_FRONT_RIGHT) |
| |
| #define | AV_CHANNEL_LAYOUT_MASK(nb, m) { .order = AV_CHANNEL_ORDER_NATIVE, .nb_channels = (nb), .u = { .mask = (m) }} |
| |
| #define | AV_CHANNEL_LAYOUT_MONO AV_CHANNEL_LAYOUT_MASK(1, AV_CH_LAYOUT_MONO) |
| |
| #define | AV_CHANNEL_LAYOUT_STEREO AV_CHANNEL_LAYOUT_MASK(2, AV_CH_LAYOUT_STEREO) |
| |
| #define | AV_CHANNEL_LAYOUT_2POINT1 AV_CHANNEL_LAYOUT_MASK(3, AV_CH_LAYOUT_2POINT1) |
| |
| #define | AV_CHANNEL_LAYOUT_2_1 AV_CHANNEL_LAYOUT_MASK(3, AV_CH_LAYOUT_2_1) |
| |
| #define | AV_CHANNEL_LAYOUT_SURROUND AV_CHANNEL_LAYOUT_MASK(3, AV_CH_LAYOUT_SURROUND) |
| |
| #define | AV_CHANNEL_LAYOUT_3POINT1 AV_CHANNEL_LAYOUT_MASK(4, AV_CH_LAYOUT_3POINT1) |
| |
| #define | AV_CHANNEL_LAYOUT_4POINT0 AV_CHANNEL_LAYOUT_MASK(4, AV_CH_LAYOUT_4POINT0) |
| |
| #define | AV_CHANNEL_LAYOUT_4POINT1 AV_CHANNEL_LAYOUT_MASK(5, AV_CH_LAYOUT_4POINT1) |
| |
| #define | AV_CHANNEL_LAYOUT_2_2 AV_CHANNEL_LAYOUT_MASK(4, AV_CH_LAYOUT_2_2) |
| |
| #define | AV_CHANNEL_LAYOUT_QUAD AV_CHANNEL_LAYOUT_MASK(4, AV_CH_LAYOUT_QUAD) |
| |
| #define | AV_CHANNEL_LAYOUT_5POINT0 AV_CHANNEL_LAYOUT_MASK(5, AV_CH_LAYOUT_5POINT0) |
| |
| #define | AV_CHANNEL_LAYOUT_5POINT1 AV_CHANNEL_LAYOUT_MASK(6, AV_CH_LAYOUT_5POINT1) |
| |
| #define | AV_CHANNEL_LAYOUT_5POINT0_BACK AV_CHANNEL_LAYOUT_MASK(5, AV_CH_LAYOUT_5POINT0_BACK) |
| |
| #define | AV_CHANNEL_LAYOUT_5POINT1_BACK AV_CHANNEL_LAYOUT_MASK(6, AV_CH_LAYOUT_5POINT1_BACK) |
| |
| #define | AV_CHANNEL_LAYOUT_6POINT0 AV_CHANNEL_LAYOUT_MASK(6, AV_CH_LAYOUT_6POINT0) |
| |
| #define | AV_CHANNEL_LAYOUT_6POINT0_FRONT AV_CHANNEL_LAYOUT_MASK(6, AV_CH_LAYOUT_6POINT0_FRONT) |
| |
| #define | AV_CHANNEL_LAYOUT_HEXAGONAL AV_CHANNEL_LAYOUT_MASK(6, AV_CH_LAYOUT_HEXAGONAL) |
| |
| #define | AV_CHANNEL_LAYOUT_6POINT1 AV_CHANNEL_LAYOUT_MASK(7, AV_CH_LAYOUT_6POINT1) |
| |
| #define | AV_CHANNEL_LAYOUT_6POINT1_BACK AV_CHANNEL_LAYOUT_MASK(7, AV_CH_LAYOUT_6POINT1_BACK) |
| |
| #define | AV_CHANNEL_LAYOUT_6POINT1_FRONT AV_CHANNEL_LAYOUT_MASK(7, AV_CH_LAYOUT_6POINT1_FRONT) |
| |
| #define | AV_CHANNEL_LAYOUT_7POINT0 AV_CHANNEL_LAYOUT_MASK(7, AV_CH_LAYOUT_7POINT0) |
| |
| #define | AV_CHANNEL_LAYOUT_7POINT0_FRONT AV_CHANNEL_LAYOUT_MASK(7, AV_CH_LAYOUT_7POINT0_FRONT) |
| |
| #define | AV_CHANNEL_LAYOUT_7POINT1 AV_CHANNEL_LAYOUT_MASK(8, AV_CH_LAYOUT_7POINT1) |
| |
| #define | AV_CHANNEL_LAYOUT_7POINT1_WIDE AV_CHANNEL_LAYOUT_MASK(8, AV_CH_LAYOUT_7POINT1_WIDE) |
| |
| #define | AV_CHANNEL_LAYOUT_7POINT1_WIDE_BACK AV_CHANNEL_LAYOUT_MASK(8, AV_CH_LAYOUT_7POINT1_WIDE_BACK) |
| |
| #define | AV_CHANNEL_LAYOUT_OCTAGONAL AV_CHANNEL_LAYOUT_MASK(8, AV_CH_LAYOUT_OCTAGONAL) |
| |
| #define | AV_CHANNEL_LAYOUT_HEXADECAGONAL AV_CHANNEL_LAYOUT_MASK(16, AV_CH_LAYOUT_HEXADECAGONAL) |
| |
| #define | AV_CHANNEL_LAYOUT_STEREO_DOWNMIX AV_CHANNEL_LAYOUT_MASK(2, AV_CH_LAYOUT_STEREO_DOWNMIX) |
| |
| #define | AV_CHANNEL_LAYOUT_22POINT2 AV_CHANNEL_LAYOUT_MASK(24, AV_CH_LAYOUT_22POINT2) |
| |
| #define | AV_CHANNEL_LAYOUT_AMBISONIC_FIRST_ORDER { .order = AV_CHANNEL_ORDER_AMBISONIC, .nb_channels = 4, .u = { .mask = 0 }} |
| |
|
| attribute_deprecated uint64_t | av_get_channel_layout (const char *name) |
| | Return a channel layout id that matches name, or 0 if no match is found. More...
|
| |
| attribute_deprecated int | av_get_extended_channel_layout (const char *name, uint64_t *channel_layout, int *nb_channels) |
| | Return a channel layout and the number of channels based on the specified name. More...
|
| |
| attribute_deprecated void | av_get_channel_layout_string (char *buf, int buf_size, int nb_channels, uint64_t channel_layout) |
| | Return a description of a channel layout. More...
|
| |
| attribute_deprecated void | av_bprint_channel_layout (struct AVBPrint *bp, int nb_channels, uint64_t channel_layout) |
| | Append a description of a channel layout to a bprint buffer. More...
|
| |
| attribute_deprecated int | av_get_channel_layout_nb_channels (uint64_t channel_layout) |
| | Return the number of channels in the channel layout. More...
|
| |
| attribute_deprecated int64_t | av_get_default_channel_layout (int nb_channels) |
| | Return default channel layout for a given number of channels. More...
|
| |
| attribute_deprecated int | av_get_channel_layout_channel_index (uint64_t channel_layout, uint64_t channel) |
| | Get the index of a channel in channel_layout. More...
|
| |
| attribute_deprecated uint64_t | av_channel_layout_extract_channel (uint64_t channel_layout, int index) |
| | Get the channel with the given index in channel_layout. More...
|
| |
| attribute_deprecated const char * | av_get_channel_name (uint64_t channel) |
| | Get the name of a given channel. More...
|
| |
| attribute_deprecated const char * | av_get_channel_description (uint64_t channel) |
| | Get the description of a given channel. More...
|
| |
| attribute_deprecated int | av_get_standard_channel_layout (unsigned index, uint64_t *layout, const char **name) |
| | Get the value and name of a standard channel layout. More...
|
| |
| int | av_channel_name (char *buf, size_t buf_size, enum AVChannel channel) |
| | Get a human readable string in an abbreviated form describing a given channel. More...
|
| |
| void | av_channel_name_bprint (struct AVBPrint *bp, enum AVChannel channel_id) |
| | bprint variant of av_channel_name(). More...
|
| |
| int | av_channel_description (char *buf, size_t buf_size, enum AVChannel channel) |
| | Get a human readable string describing a given channel. More...
|
| |
| void | av_channel_description_bprint (struct AVBPrint *bp, enum AVChannel channel_id) |
| | bprint variant of av_channel_description(). More...
|
| |
| enum AVChannel | av_channel_from_string (const char *name) |
| | This is the inverse function of av_channel_name(). More...
|
| |
| int | av_channel_layout_from_mask (AVChannelLayout *channel_layout, uint64_t mask) |
| | Initialize a native channel layout from a bitmask indicating which channels are present. More...
|
| |
| int | av_channel_layout_from_string (AVChannelLayout *channel_layout, const char *str) |
| | Initialize a channel layout from a given string description. More...
|
| |
| void | av_channel_layout_default (AVChannelLayout *ch_layout, int nb_channels) |
| | Get the default channel layout for a given number of channels. More...
|
| |
| const AVChannelLayout * | av_channel_layout_standard (void **opaque) |
| | Iterate over all standard channel layouts. More...
|
| |
| void | av_channel_layout_uninit (AVChannelLayout *channel_layout) |
| | Free any allocated data in the channel layout and reset the channel count to 0. More...
|
| |
| int | av_channel_layout_copy (AVChannelLayout *dst, const AVChannelLayout *src) |
| | Make a copy of a channel layout. More...
|
| |
| int | av_channel_layout_describe (const AVChannelLayout *channel_layout, char *buf, size_t buf_size) |
| | Get a human-readable string describing the channel layout properties. More...
|
| |
| int | av_channel_layout_describe_bprint (const AVChannelLayout *channel_layout, struct AVBPrint *bp) |
| | bprint variant of av_channel_layout_describe(). More...
|
| |
| enum AVChannel | av_channel_layout_channel_from_index (const AVChannelLayout *channel_layout, unsigned int idx) |
| | Get the channel with the given index in a channel layout. More...
|
| |
| int | av_channel_layout_index_from_channel (const AVChannelLayout *channel_layout, enum AVChannel channel) |
| | Get the index of a given channel in a channel layout. More...
|
| |
| int | av_channel_layout_index_from_string (const AVChannelLayout *channel_layout, const char *name) |
| | Get the index in a channel layout of a channel described by the given string. More...
|
| |
| enum AVChannel | av_channel_layout_channel_from_string (const AVChannelLayout *channel_layout, const char *name) |
| | Get a channel described by the given string. More...
|
| |
| uint64_t | av_channel_layout_subset (const AVChannelLayout *channel_layout, uint64_t mask) |
| | Find out what channels from a given set are present in a channel layout, without regard for their positions. More...
|
| |
| int | av_channel_layout_check (const AVChannelLayout *channel_layout) |
| | Check whether a channel layout is valid, i.e. More...
|
| |
| int | av_channel_layout_compare (const AVChannelLayout *chl, const AVChannelLayout *chl1) |
| | Check whether two channel layouts are semantically the same, i.e. More...
|
| |
audio channel layout utility functions
Definition in file channel_layout.h.
