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Change multichannel API define prefix from "CHANNEL_" to "CH_".

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Originally committed as revision 15768 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Andreas Öman 2008-11-02 21:04:28 +00:00
parent 7cebed70a8
commit 9d9b9d32e6
3 changed files with 80 additions and 80 deletions
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34
libavcodec/audioconvert.c
View File

@ -89,13 +89,13 @@ const char *get_channel_name(int channel_id)
int64_t avcodec_guess_channel_layout(int nb_channels, enum CodecID codec_id, const char *fmt_name) int64_t avcodec_guess_channel_layout(int nb_channels, enum CodecID codec_id, const char *fmt_name)
{ {
switch(nb_channels) { switch(nb_channels) {
case 1: return CHANNEL_LAYOUT_MONO; case 1: return CH_LAYOUT_MONO;
case 2: return CHANNEL_LAYOUT_STEREO; case 2: return CH_LAYOUT_STEREO;
case 3: return CHANNEL_LAYOUT_SURROUND; case 3: return CH_LAYOUT_SURROUND;
case 4: return CHANNEL_LAYOUT_QUAD; case 4: return CH_LAYOUT_QUAD;
case 5: return CHANNEL_LAYOUT_5POINT0; case 5: return CH_LAYOUT_5POINT0;
case 6: return CHANNEL_LAYOUT_5POINT1; case 6: return CH_LAYOUT_5POINT1;
case 8: return CHANNEL_LAYOUT_7POINT1; case 8: return CH_LAYOUT_7POINT1;
default: return 0; default: return 0;
} }
} }
@ -105,16 +105,16 @@ static const struct {
int nb_channels; int nb_channels;
int64_t layout; int64_t layout;
} const channel_layout_map[] = { } const channel_layout_map[] = {
{ "mono", 1, CHANNEL_LAYOUT_MONO }, { "mono", 1, CH_LAYOUT_MONO },
{ "stereo", 2, CHANNEL_LAYOUT_STEREO }, { "stereo", 2, CH_LAYOUT_STEREO },
{ "surround", 3, CHANNEL_LAYOUT_SURROUND }, { "surround", 3, CH_LAYOUT_SURROUND },
{ "quad", 4, CHANNEL_LAYOUT_QUAD }, { "quad", 4, CH_LAYOUT_QUAD },
{ "5.0", 5, CHANNEL_LAYOUT_5POINT0 }, { "5.0", 5, CH_LAYOUT_5POINT0 },
{ "5.1", 6, CHANNEL_LAYOUT_5POINT1 }, { "5.1", 6, CH_LAYOUT_5POINT1 },
{ "5.1+downmix", 8, CHANNEL_LAYOUT_5POINT1|CHANNEL_LAYOUT_STEREO_DOWNMIX, }, { "5.1+downmix", 8, CH_LAYOUT_5POINT1|CH_LAYOUT_STEREO_DOWNMIX, },
{ "7.1", 8, CHANNEL_LAYOUT_7POINT1 }, { "7.1", 8, CH_LAYOUT_7POINT1 },
{ "7.1(wide)", 8, CHANNEL_LAYOUT_7POINT1_WIDE }, { "7.1(wide)", 8, CH_LAYOUT_7POINT1_WIDE },
{ "7.1+downmix", 10, CHANNEL_LAYOUT_7POINT1|CHANNEL_LAYOUT_STEREO_DOWNMIX, }, { "7.1+downmix", 10, CH_LAYOUT_7POINT1|CH_LAYOUT_STEREO_DOWNMIX, },
{ 0 } { 0 }
}; };

62
libavcodec/avcodec.h
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@ -347,39 +347,39 @@ enum SampleFormat {
}; };
/* Audio channel masks */ /* Audio channel masks */
#define CHANNEL_FRONT_LEFT 0x00000001 #define CH_FRONT_LEFT 0x00000001
#define CHANNEL_FRONT_RIGHT 0x00000002 #define CH_FRONT_RIGHT 0x00000002
#define CHANNEL_FRONT_CENTER 0x00000004 #define CH_FRONT_CENTER 0x00000004
#define CHANNEL_LOW_FREQUENCY 0x00000008 #define CH_LOW_FREQUENCY 0x00000008
#define CHANNEL_BACK_LEFT 0x00000010 #define CH_BACK_LEFT 0x00000010
#define CHANNEL_BACK_RIGHT 0x00000020 #define CH_BACK_RIGHT 0x00000020
#define CHANNEL_FRONT_LEFT_OF_CENTER 0x00000040 #define CH_FRONT_LEFT_OF_CENTER 0x00000040
#define CHANNEL_FRONT_RIGHT_OF_CENTER 0x00000080 #define CH_FRONT_RIGHT_OF_CENTER 0x00000080
#define CHANNEL_BACK_CENTER 0x00000100 #define CH_BACK_CENTER 0x00000100
#define CHANNEL_SIDE_LEFT 0x00000200 #define CH_SIDE_LEFT 0x00000200
#define CHANNEL_SIDE_RIGHT 0x00000400 #define CH_SIDE_RIGHT 0x00000400
#define CHANNEL_TOP_CENTER 0x00000800 #define CH_TOP_CENTER 0x00000800
#define CHANNEL_TOP_FRONT_LEFT 0x00001000 #define CH_TOP_FRONT_LEFT 0x00001000
#define CHANNEL_TOP_FRONT_CENTER 0x00002000 #define CH_TOP_FRONT_CENTER 0x00002000
#define CHANNEL_TOP_FRONT_RIGHT 0x00004000 #define CH_TOP_FRONT_RIGHT 0x00004000
#define CHANNEL_TOP_BACK_LEFT 0x00008000 #define CH_TOP_BACK_LEFT 0x00008000
#define CHANNEL_TOP_BACK_CENTER 0x00010000 #define CH_TOP_BACK_CENTER 0x00010000
#define CHANNEL_TOP_BACK_RIGHT 0x00020000 #define CH_TOP_BACK_RIGHT 0x00020000
#define CHANNEL_STEREO_LEFT 0x20000000 ///< Stereo downmix. #define CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
#define CHANNEL_STEREO_RIGHT 0x40000000 ///< See CHANNEL_STEREO_LEFT. #define CH_STEREO_RIGHT 0x40000000 ///< See CH_STEREO_LEFT.
/* Audio channel convenience macros */ /* Audio channel convenience macros */
#define CHANNEL_LAYOUT_MONO (CHANNEL_FRONT_CENTER) #define CH_LAYOUT_MONO (CH_FRONT_CENTER)
#define CHANNEL_LAYOUT_STEREO (CHANNEL_FRONT_LEFT|CHANNEL_FRONT_RIGHT) #define CH_LAYOUT_STEREO (CH_FRONT_LEFT|CH_FRONT_RIGHT)
#define CHANNEL_LAYOUT_SURROUND (CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER) #define CH_LAYOUT_SURROUND (CH_LAYOUT_STEREO|CH_FRONT_CENTER)
#define CHANNEL_LAYOUT_QUAD (CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT) #define CH_LAYOUT_QUAD (CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT)
#define CHANNEL_LAYOUT_5POINT0 (CHANNEL_LAYOUT_SURROUND|CHANNEL_SIDE_LEFT|CHANNEL_SIDE_RIGHT) #define CH_LAYOUT_5POINT0 (CH_LAYOUT_SURROUND|CH_SIDE_LEFT|CH_SIDE_RIGHT)
#define CHANNEL_LAYOUT_5POINT1 (CHANNEL_LAYOUT_5POINT0|CHANNEL_LOW_FREQUENCY) #define CH_LAYOUT_5POINT1 (CH_LAYOUT_5POINT0|CH_LOW_FREQUENCY)
#define CHANNEL_LAYOUT_7POINT1 (CHANNEL_LAYOUT_5POINT1|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT) #define CH_LAYOUT_7POINT1 (CH_LAYOUT_5POINT1|CH_BACK_LEFT|CH_BACK_RIGHT)
#define CHANNEL_LAYOUT_7POINT1_WIDE (CHANNEL_LAYOUT_SURROUND|CHANNEL_LOW_FREQUENCY|\ #define CH_LAYOUT_7POINT1_WIDE (CH_LAYOUT_SURROUND|CH_LOW_FREQUENCY|\
CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|\ CH_BACK_LEFT|CH_BACK_RIGHT|\
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER) CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER)
#define CHANNEL_LAYOUT_STEREO_DOWNMIX (CHANNEL_STEREO_LEFT|CHANNEL_STEREO_RIGHT) #define CH_LAYOUT_STEREO_DOWNMIX (CH_STEREO_LEFT|CH_STEREO_RIGHT)
/* in bytes */ /* in bytes */
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio #define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio

64
libavcodec/dca.c
View File

@ -66,41 +66,41 @@ enum DCAMode {
* L = left, R = right, C = center, S = surround, F = front, R = rear, T = total, OV = overhead. * L = left, R = right, C = center, S = surround, F = front, R = rear, T = total, OV = overhead.
* S -> back, when both rear and back are configured move one of them to the side channel * S -> back, when both rear and back are configured move one of them to the side channel
* OV -> center back * OV -> center back
* All 2 channel configurations -> CHANNEL_LAYOUT_STEREO * All 2 channel configurations -> CH_LAYOUT_STEREO
*/ */
static const int64_t dca_core_channel_layout[] = { static const int64_t dca_core_channel_layout[] = {
CHANNEL_FRONT_CENTER, ///< 1, A CH_FRONT_CENTER, ///< 1, A
CHANNEL_LAYOUT_STEREO, ///< 2, A + B (dual mono) CH_LAYOUT_STEREO, ///< 2, A + B (dual mono)
CHANNEL_LAYOUT_STEREO, ///< 2, L + R (stereo) CH_LAYOUT_STEREO, ///< 2, L + R (stereo)
CHANNEL_LAYOUT_STEREO, ///< 2, (L+R) + (L-R) (sum-difference) CH_LAYOUT_STEREO, ///< 2, (L+R) + (L-R) (sum-difference)
CHANNEL_LAYOUT_STEREO, ///< 2, LT +RT (left and right total) CH_LAYOUT_STEREO, ///< 2, LT +RT (left and right total)
CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER, ///< 3, C+L+R CH_LAYOUT_STEREO|CH_FRONT_CENTER, ///< 3, C+L+R
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_CENTER, ///< 3, L+R+S CH_LAYOUT_STEREO|CH_BACK_CENTER, ///< 3, L+R+S
CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER|CHANNEL_BACK_CENTER, ///< 4, C + L + R+ S CH_LAYOUT_STEREO|CH_FRONT_CENTER|CH_BACK_CENTER, ///< 4, C + L + R+ S
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT, ///< 4, L + R+ SL+SR CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT, ///< 4, L + R+ SL+SR
CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT, ///< 5, C + L + R+ SL+SR CH_LAYOUT_STEREO|CH_FRONT_CENTER|CH_BACK_LEFT|CH_BACK_RIGHT, ///< 5, C + L + R+ SL+SR
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER, ///< 6, CL + CR + L + R + SL + SR CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT|CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER, ///< 6, CL + CR + L + R + SL + SR
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_FRONT_CENTER|CHANNEL_BACK_CENTER, ///< 6, C + L + R+ LR + RR + OV CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT|CH_FRONT_CENTER|CH_BACK_CENTER, ///< 6, C + L + R+ LR + RR + OV
CHANNEL_FRONT_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_BACK_CENTER|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT, ///< 6, CF+ CR+LF+ RF+LR + RR CH_FRONT_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_FRONT_LEFT_OF_CENTER|CH_BACK_CENTER|CH_BACK_LEFT|CH_BACK_RIGHT, ///< 6, CF+ CR+LF+ RF+LR + RR
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT, ///< 7, CL + C + CR + L + R + SL + SR CH_FRONT_LEFT_OF_CENTER|CH_FRONT_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT, ///< 7, CL + C + CR + L + R + SL + SR
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LAYOUT_STEREO|CHANNEL_SIDE_LEFT|CHANNEL_SIDE_RIGHT|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT, ///< 8, CL + CR + L + R + SL1 + SL2+ SR1 + SR2 CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT|CH_BACK_LEFT|CH_BACK_RIGHT, ///< 8, CL + CR + L + R + SL1 + SL2+ SR1 + SR2
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_CENTER|CHANNEL_BACK_RIGHT, ///< 8, CL + C+ CR + L + R + SL + S+ SR CH_FRONT_LEFT_OF_CENTER|CH_FRONT_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_CENTER|CH_BACK_RIGHT, ///< 8, CL + C+ CR + L + R + SL + S+ SR
/* The following entries adds the LFE layouts, this way we can reuse the table for the AVCodec channel_layouts member*/ /* The following entries adds the LFE layouts, this way we can reuse the table for the AVCodec channel_layouts member*/
CHANNEL_FRONT_CENTER|CHANNEL_LOW_FREQUENCY, CH_FRONT_CENTER|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_FRONT_CENTER|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_CENTER|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_BACK_CENTER|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER|CHANNEL_BACK_CENTER|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_FRONT_CENTER|CH_BACK_CENTER|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_FRONT_CENTER|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_FRONT_CENTER|CH_BACK_LEFT|CH_BACK_RIGHT|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT|CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LOW_FREQUENCY,
CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_FRONT_CENTER|CHANNEL_BACK_CENTER|CHANNEL_LOW_FREQUENCY, CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT|CH_FRONT_CENTER|CH_BACK_CENTER|CH_LOW_FREQUENCY,
CHANNEL_FRONT_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_BACK_CENTER|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_LOW_FREQUENCY, CH_FRONT_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_FRONT_LEFT_OF_CENTER|CH_BACK_CENTER|CH_BACK_LEFT|CH_BACK_RIGHT|CH_LOW_FREQUENCY,
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_LOW_FREQUENCY, CH_FRONT_LEFT_OF_CENTER|CH_FRONT_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_RIGHT|CH_LOW_FREQUENCY,
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LAYOUT_STEREO|CHANNEL_SIDE_LEFT|CHANNEL_SIDE_RIGHT|CHANNEL_BACK_LEFT|CHANNEL_BACK_RIGHT|CHANNEL_LOW_FREQUENCY, CH_FRONT_LEFT_OF_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LAYOUT_STEREO|CH_SIDE_LEFT|CH_SIDE_RIGHT|CH_BACK_LEFT|CH_BACK_RIGHT|CH_LOW_FREQUENCY,
CHANNEL_FRONT_LEFT_OF_CENTER|CHANNEL_FRONT_CENTER|CHANNEL_FRONT_RIGHT_OF_CENTER|CHANNEL_LAYOUT_STEREO|CHANNEL_BACK_LEFT|CHANNEL_BACK_CENTER|CHANNEL_BACK_RIGHT|CHANNEL_LOW_FREQUENCY, CH_FRONT_LEFT_OF_CENTER|CH_FRONT_CENTER|CH_FRONT_RIGHT_OF_CENTER|CH_LAYOUT_STEREO|CH_BACK_LEFT|CH_BACK_CENTER|CH_BACK_RIGHT|CH_LOW_FREQUENCY,
0, 0,
}; };
@ -1211,12 +1211,12 @@ static int dca_decode_frame(AVCodecContext * avctx,
if(avctx->request_channels == 2 && s->prim_channels > 2) { if(avctx->request_channels == 2 && s->prim_channels > 2) {
channels = 2; channels = 2;
s->output = DCA_STEREO; s->output = DCA_STEREO;
avctx->channel_layout = CHANNEL_LAYOUT_STEREO; avctx->channel_layout = CH_LAYOUT_STEREO;
} }
if (s->amode<16) if (s->amode<16)
avctx->channel_layout = dca_core_channel_layout[s->amode]; avctx->channel_layout = dca_core_channel_layout[s->amode];
if (s->lfe) avctx->channel_layout |= CHANNEL_LOW_FREQUENCY; if (s->lfe) avctx->channel_layout |= CH_LOW_FREQUENCY;
/* There is nothing that prevents a dts frame to change channel configuration /* There is nothing that prevents a dts frame to change channel configuration
but FFmpeg doesn't support that so only set the channels if it is previously but FFmpeg doesn't support that so only set the channels if it is previously