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FFmpeg
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A channel layout is a 64-bits integer with a bit set for every channel. More...
Macros | |
| #define | AV_CH_FRONT_LEFT 0x00000001 |
| #define | AV_CH_FRONT_RIGHT 0x00000002 |
| #define | AV_CH_FRONT_CENTER 0x00000004 |
| #define | AV_CH_LOW_FREQUENCY 0x00000008 |
| #define | AV_CH_BACK_LEFT 0x00000010 |
| #define | AV_CH_BACK_RIGHT 0x00000020 |
| #define | AV_CH_FRONT_LEFT_OF_CENTER 0x00000040 |
| #define | AV_CH_FRONT_RIGHT_OF_CENTER 0x00000080 |
| #define | AV_CH_BACK_CENTER 0x00000100 |
| #define | AV_CH_SIDE_LEFT 0x00000200 |
| #define | AV_CH_SIDE_RIGHT 0x00000400 |
| #define | AV_CH_TOP_CENTER 0x00000800 |
| #define | AV_CH_TOP_FRONT_LEFT 0x00001000 |
| #define | AV_CH_TOP_FRONT_CENTER 0x00002000 |
| #define | AV_CH_TOP_FRONT_RIGHT 0x00004000 |
| #define | AV_CH_TOP_BACK_LEFT 0x00008000 |
| #define | AV_CH_TOP_BACK_CENTER 0x00010000 |
| #define | AV_CH_TOP_BACK_RIGHT 0x00020000 |
| #define | AV_CH_STEREO_LEFT 0x20000000 |
| Stereo downmix. | |
| #define | AV_CH_STEREO_RIGHT 0x40000000 |
| See AV_CH_STEREO_LEFT. | |
| #define | AV_CH_WIDE_LEFT 0x0000000080000000ULL |
| #define | AV_CH_WIDE_RIGHT 0x0000000100000000ULL |
| #define | AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL |
| #define | AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL |
| #define | AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL |
| #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. | |
A channel layout is a 64-bits integer with a bit set for every channel.
The number of bits set must be equal to the number of channels. The value 0 means that the channel layout is not known.
| #define AV_CH_FRONT_LEFT 0x00000001 |
Definition at line 49 of file channel_layout.h.
Referenced by aac_decode_frame_int(), auto_matrix(), avresample_build_matrix(), output_configure(), pulse_map_channels_to_pulse(), sane_layout(), set_channel_params(), and sniff_channel_order().
| #define AV_CH_FRONT_RIGHT 0x00000002 |
Definition at line 50 of file channel_layout.h.
Referenced by aac_decode_frame_int(), output_configure(), pulse_map_channels_to_pulse(), sane_layout(), and sniff_channel_order().
| #define AV_CH_FRONT_CENTER 0x00000004 |
Definition at line 51 of file channel_layout.h.
Referenced by auto_matrix(), avresample_build_matrix(), clean_layout(), flac_encode_init(), get_stream_info(), libvorbis_setup(), output_configure(), pulse_map_channels_to_pulse(), and sniff_channel_order().
| #define AV_CH_LOW_FREQUENCY 0x00000008 |
Definition at line 52 of file channel_layout.h.
Referenced by ac3_decode_frame(), auto_matrix(), avpriv_ac3_parse_header2(), avresample_build_matrix(), config_audio_output(), dca_decode_frame(), get_stream_info(), mov_read_dac3(), mov_read_dec3(), pulse_map_channels_to_pulse(), read_restart_header(), set_channel_info(), sniff_channel_order(), and swap_channel_layouts_on_filter().
| #define AV_CH_BACK_LEFT 0x00000010 |
Definition at line 53 of file channel_layout.h.
Referenced by auto_matrix(), avresample_build_matrix(), get_stream_info(), pulse_map_channels_to_pulse(), sane_layout(), and sniff_channel_order().
| #define AV_CH_BACK_RIGHT 0x00000020 |
Definition at line 54 of file channel_layout.h.
Referenced by get_stream_info(), pulse_map_channels_to_pulse(), sane_layout(), and sniff_channel_order().
| #define AV_CH_FRONT_LEFT_OF_CENTER 0x00000040 |
Definition at line 55 of file channel_layout.h.
Referenced by auto_matrix(), avresample_build_matrix(), get_stream_info(), pulse_map_channels_to_pulse(), sane_layout(), and sniff_channel_order().
| #define AV_CH_FRONT_RIGHT_OF_CENTER 0x00000080 |
Definition at line 56 of file channel_layout.h.
Referenced by get_stream_info(), pulse_map_channels_to_pulse(), sane_layout(), and sniff_channel_order().
| #define AV_CH_BACK_CENTER 0x00000100 |
Definition at line 57 of file channel_layout.h.
Referenced by auto_matrix(), avresample_build_matrix(), dca_decode_frame(), get_stream_info(), libvorbis_setup(), pulse_map_channels_to_pulse(), and sniff_channel_order().
| #define AV_CH_SIDE_LEFT 0x00000200 |
Definition at line 58 of file channel_layout.h.
Referenced by auto_matrix(), avresample_build_matrix(), get_stream_info(), pulse_map_channels_to_pulse(), read_major_sync(), sane_layout(), and sniff_channel_order().
| #define AV_CH_SIDE_RIGHT 0x00000400 |
Definition at line 59 of file channel_layout.h.
Referenced by get_stream_info(), pulse_map_channels_to_pulse(), read_major_sync(), sane_layout(), and sniff_channel_order().
| #define AV_CH_TOP_CENTER 0x00000800 |
Definition at line 60 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse().
| #define AV_CH_TOP_FRONT_LEFT 0x00001000 |
Definition at line 61 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_TOP_FRONT_CENTER 0x00002000 |
Definition at line 62 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse().
| #define AV_CH_TOP_FRONT_RIGHT 0x00004000 |
Definition at line 63 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_TOP_BACK_LEFT 0x00008000 |
Definition at line 64 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_TOP_BACK_CENTER 0x00010000 |
Definition at line 65 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse().
| #define AV_CH_TOP_BACK_RIGHT 0x00020000 |
Definition at line 66 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_STEREO_LEFT 0x20000000 |
Stereo downmix.
Definition at line 67 of file channel_layout.h.
Referenced by mov_get_channel_label(), pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_STEREO_RIGHT 0x40000000 |
See AV_CH_STEREO_LEFT.
Definition at line 68 of file channel_layout.h.
Referenced by mov_get_channel_label(), pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_WIDE_LEFT 0x0000000080000000ULL |
Definition at line 69 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_WIDE_RIGHT 0x0000000100000000ULL |
Definition at line 70 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL |
Definition at line 71 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL |
Definition at line 72 of file channel_layout.h.
Referenced by pulse_map_channels_to_pulse(), and sane_layout().
| #define AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL |
Definition at line 73 of file channel_layout.h.
Referenced by config_audio_output(), and pulse_map_channels_to_pulse().
| #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.
Definition at line 78 of file channel_layout.h.
Referenced by dca_decode_frame(), and output_configure().
1.8.2
