diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/ffmpeg-0.10/libavcodec/audioconvert.pas | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/src/lib/ffmpeg-0.10/libavcodec/audioconvert.pas b/src/lib/ffmpeg-0.10/libavcodec/audioconvert.pas index f0c33e06..2d50e195 100644 --- a/src/lib/ffmpeg-0.10/libavcodec/audioconvert.pas +++ b/src/lib/ffmpeg-0.10/libavcodec/audioconvert.pas @@ -50,6 +50,10 @@ const AV_CH_TOP_BACK_RIGHT = $00020000; AV_CH_STEREO_LEFT = $20000000; ///< Stereo downmix. AV_CH_STEREO_RIGHT = $40000000; ///< See AV_CH_STEREO_LEFT. + AV_CH_WIDE_LEFT: cuint64 = $0000000080000000; + AV_CH_WIDE_RIGHT: cuint64 = $0000000100000000; + AV_CH_SURROUND_DIRECT_LEFT: cuint64 = $0000000200000000; + AV_CH_SURROUND_DIRECT_RIGHT: cuint64 = $0000000400000000; (** Channel mask value used for AVCodecContext.request_channel_layout * to indicate that the user requests the channel order of the decoder output @@ -57,12 +61,19 @@ const *) AV_CH_LAYOUT_NATIVE = $8000000000000000; -(* Audio channel convenience macros *) +(** + * @} + * @defgroup channel_mask_c Audio channel convenience macros + * @{ + * *) AV_CH_LAYOUT_MONO = (AV_CH_FRONT_CENTER); AV_CH_LAYOUT_STEREO = (AV_CH_FRONT_LEFT or AV_CH_FRONT_RIGHT); + AV_CH_LAYOUT_2POINT1 = (AV_CH_LAYOUT_STEREO or AV_CH_LOW_FREQUENCY); AV_CH_LAYOUT_2_1 = (AV_CH_LAYOUT_STEREO or AV_CH_BACK_CENTER); AV_CH_LAYOUT_SURROUND = (AV_CH_LAYOUT_STEREO or AV_CH_FRONT_CENTER); + AV_CH_LAYOUT_3POINT1 = (AV_CH_LAYOUT_SURROUND or AV_CH_LOW_FREQUENCY); AV_CH_LAYOUT_4POINT0 = (AV_CH_LAYOUT_SURROUND or AV_CH_BACK_CENTER); + AV_CH_LAYOUT_4POINT1 = (AV_CH_LAYOUT_4POINT0 or AV_CH_LOW_FREQUENCY); AV_CH_LAYOUT_2_2 = (AV_CH_LAYOUT_STEREO or AV_CH_SIDE_LEFT or AV_CH_SIDE_RIGHT); AV_CH_LAYOUT_QUAD = (AV_CH_LAYOUT_STEREO or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT); AV_CH_LAYOUT_5POINT0 = (AV_CH_LAYOUT_SURROUND or AV_CH_SIDE_LEFT or AV_CH_SIDE_RIGHT); @@ -70,17 +81,39 @@ const AV_CH_LAYOUT_5POINT0_BACK = (AV_CH_LAYOUT_SURROUND or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT); AV_CH_LAYOUT_5POINT1_BACK = (AV_CH_LAYOUT_5POINT0_BACK or AV_CH_LOW_FREQUENCY); + AV_CH_LAYOUT_6POINT0 = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_CENTER); + AV_CH_LAYOUT_6POINT0_FRONT = (AV_CH_LAYOUT_2_2 or AV_CH_FRONT_LEFT_OF_CENTER or + AV_CH_FRONT_RIGHT_OF_CENTER); + AV_CH_LAYOUT_HEXAGONAL = (AV_CH_LAYOUT_5POINT0_BACK or AV_CH_BACK_CENTER); + AV_CH_LAYOUT_6POINT1 = (AV_CH_LAYOUT_5POINT1 or AV_CH_BACK_CENTER); + AV_CH_LAYOUT_6POINT1_BACK = (AV_CH_LAYOUT_5POINT1_BACK or AV_CH_BACK_CENTER); + AV_CH_LAYOUT_6POINT1_FRONT = (AV_CH_LAYOUT_6POINT0_FRONT or AV_CH_LOW_FREQUENCY); AV_CH_LAYOUT_7POINT0 = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT); + AV_CH_LAYOUT_7POINT0_FRONT = (AV_CH_LAYOUT_5POINT0 or AV_CH_FRONT_LEFT_OF_CENTER or + AV_CH_FRONT_RIGHT_OF_CENTER); AV_CH_LAYOUT_7POINT1 = (AV_CH_LAYOUT_5POINT1 or AV_CH_BACK_LEFT or AV_CH_BACK_RIGHT); - AV_CH_LAYOUT_7POINT1_WIDE = (AV_CH_LAYOUT_5POINT1_BACK or - AV_CH_FRONT_LEFT_OF_CENTER or + AV_CH_LAYOUT_7POINT1_WIDE = (AV_CH_LAYOUT_5POINT1 or AV_CH_FRONT_LEFT_OF_CENTER or AV_CH_FRONT_RIGHT_OF_CENTER); + AV_CH_LAYOUT_OCTAGONAL = (AV_CH_LAYOUT_5POINT0 or AV_CH_BACK_LEFT or AV_CH_BACK_CENTER or + AV_CH_BACK_RIGHT); AV_CH_LAYOUT_STEREO_DOWNMIX = (AV_CH_STEREO_LEFT or AV_CH_STEREO_RIGHT); (** * Return a channel layout id that matches name, 0 if no match. + * name can be one or several of the following notations, + * separated by '+' or '|': + * - the name of an usual channel layout (mono, stereo, 4.0, quad, 5.0, + * 5.0(side), 5.1, 5.1(side), 7.1, 7.1(wide), downmix); + * - the name of a single channel (FL, FR, FC, LFE, BL, BR, FLC, FRC, BC, + * SL, SR, TC, TFL, TFC, TFR, TBL, TBC, TBR, DL, DR); + * - a number of channels, in decimal, optionnally followed by 'c', yielding + * the default channel layout for that number of channels (@see + * av_get_default_channel_layout); + * - a channel layout mask, in hexadecimal starting with "0x" (see the + * AV_CH_* macros). + + Example: "stereo+FC" = "2+FC" = "2c+1c" = "0x7" *) -function av_get_channel_layout(name: {const} PAnsiChar): cint64; +function av_get_channel_layout(name: {const} PAnsiChar): cuint64; cdecl; external av__util; (** @@ -90,11 +123,18 @@ function av_get_channel_layout(name: {const} PAnsiChar): cint64; * @param buf put here the string containing the channel layout * @param buf_size size in bytes of the buffer *) -procedure av_get_channel_layout_string(buf: PAnsiChar; buf_size: cint; nb_channels: cint; channel_layout: cint64); +procedure av_get_channel_layout_string(buf: PAnsiChar; buf_size: cint; nb_channels: cint; channel_layout: cuint64); cdecl; external av__util; (** * Return the number of channels in the channel layout. *) -function av_get_channel_layout_nb_channels(channel_layout: cint64): cint; +function av_get_channel_layout_nb_channels(channel_layout: cuint64): cint; cdecl; external av__util; + +(** + * Return default channel layout for a given number of channels. + *) +function av_get_default_channel_layout(nb_channels: cint): cint64_t; + cdecl; external av__util; + |