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Diffstat (limited to 'apps/codecs/libmad/frame.h')
-rw-r--r--apps/codecs/libmad/frame.h74
1 files changed, 37 insertions, 37 deletions
diff --git a/apps/codecs/libmad/frame.h b/apps/codecs/libmad/frame.h
index d2d6dca3ef..4d23107d76 100644
--- a/apps/codecs/libmad/frame.h
+++ b/apps/codecs/libmad/frame.h
@@ -27,41 +27,41 @@
27# include "stream.h" 27# include "stream.h"
28 28
29enum mad_layer { 29enum mad_layer {
30 MAD_LAYER_I = 1, /* Layer I */ 30 MAD_LAYER_I = 1, /* Layer I */
31 MAD_LAYER_II = 2, /* Layer II */ 31 MAD_LAYER_II = 2, /* Layer II */
32 MAD_LAYER_III = 3 /* Layer III */ 32 MAD_LAYER_III = 3 /* Layer III */
33}; 33};
34 34
35enum mad_mode { 35enum mad_mode {
36 MAD_MODE_SINGLE_CHANNEL = 0, /* single channel */ 36 MAD_MODE_SINGLE_CHANNEL = 0, /* single channel */
37 MAD_MODE_DUAL_CHANNEL = 1, /* dual channel */ 37 MAD_MODE_DUAL_CHANNEL = 1, /* dual channel */
38 MAD_MODE_JOINT_STEREO = 2, /* joint (MS/intensity) stereo */ 38 MAD_MODE_JOINT_STEREO = 2, /* joint (MS/intensity) stereo */
39 MAD_MODE_STEREO = 3 /* normal LR stereo */ 39 MAD_MODE_STEREO = 3 /* normal LR stereo */
40}; 40};
41 41
42enum mad_emphasis { 42enum mad_emphasis {
43 MAD_EMPHASIS_NONE = 0, /* no emphasis */ 43 MAD_EMPHASIS_NONE = 0, /* no emphasis */
44 MAD_EMPHASIS_50_15_US = 1, /* 50/15 microseconds emphasis */ 44 MAD_EMPHASIS_50_15_US = 1, /* 50/15 microseconds emphasis */
45 MAD_EMPHASIS_CCITT_J_17 = 3, /* CCITT J.17 emphasis */ 45 MAD_EMPHASIS_CCITT_J_17 = 3, /* CCITT J.17 emphasis */
46 MAD_EMPHASIS_RESERVED = 2 /* unknown emphasis */ 46 MAD_EMPHASIS_RESERVED = 2 /* unknown emphasis */
47}; 47};
48 48
49struct mad_header { 49struct mad_header {
50 enum mad_layer layer; /* audio layer (1, 2, or 3) */ 50 enum mad_layer layer; /* audio layer (1, 2, or 3) */
51 enum mad_mode mode; /* channel mode (see above) */ 51 enum mad_mode mode; /* channel mode (see above) */
52 int mode_extension; /* additional mode info */ 52 int mode_extension; /* additional mode info */
53 enum mad_emphasis emphasis; /* de-emphasis to use (see above) */ 53 enum mad_emphasis emphasis; /* de-emphasis to use (see above) */
54 54
55 unsigned long bitrate; /* stream bitrate (bps) */ 55 unsigned long bitrate; /* stream bitrate (bps) */
56 unsigned int samplerate; /* sampling frequency (Hz) */ 56 unsigned int samplerate; /* sampling frequency (Hz) */
57 57
58 unsigned short crc_check; /* frame CRC accumulator */ 58 unsigned short crc_check; /* frame CRC accumulator */
59 unsigned short crc_target; /* final target CRC checksum */ 59 unsigned short crc_target; /* final target CRC checksum */
60 60
61 int flags; /* flags (see below) */ 61 int flags; /* flags (see below) */
62 int private_bits; /* private bits (see below) */ 62 int private_bits; /* private bits (see below) */
63 63
64 mad_timer_t duration; /* audio playing time of frame */ 64 mad_timer_t duration; /* audio playing time of frame */
65}; 65};
66 66
67struct mad_frame { 67struct mad_frame {
@@ -76,33 +76,33 @@ struct mad_frame {
76 mad_fixed_t (*overlap)[2][32][18]; /* Layer III block overlap data */ 76 mad_fixed_t (*overlap)[2][32][18]; /* Layer III block overlap data */
77}; 77};
78 78
79# define MAD_NCHANNELS(header) ((header)->mode ? 2 : 1) 79# define MAD_NCHANNELS(header) ((header)->mode ? 2 : 1)
80# define MAD_NSBSAMPLES(header) \ 80# define MAD_NSBSAMPLES(header) \
81 ((header)->layer == MAD_LAYER_I ? 12 : \ 81 ((header)->layer == MAD_LAYER_I ? 12 : \
82 (((header)->layer == MAD_LAYER_III && \ 82 (((header)->layer == MAD_LAYER_III && \
83 ((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36)) 83 ((header)->flags & MAD_FLAG_LSF_EXT)) ? 18 : 36))
84 84
85enum { 85enum {
86 MAD_FLAG_NPRIVATE_III = 0x0007, /* number of Layer III private bits */ 86 MAD_FLAG_NPRIVATE_III = 0x0007, /* number of Layer III private bits */
87 MAD_FLAG_INCOMPLETE = 0x0008, /* header but not data is decoded */ 87 MAD_FLAG_INCOMPLETE = 0x0008, /* header but not data is decoded */
88 88
89 MAD_FLAG_PROTECTION = 0x0010, /* frame has CRC protection */ 89 MAD_FLAG_PROTECTION = 0x0010, /* frame has CRC protection */
90 MAD_FLAG_COPYRIGHT = 0x0020, /* frame is copyright */ 90 MAD_FLAG_COPYRIGHT = 0x0020, /* frame is copyright */
91 MAD_FLAG_ORIGINAL = 0x0040, /* frame is original (else copy) */ 91 MAD_FLAG_ORIGINAL = 0x0040, /* frame is original (else copy) */
92 MAD_FLAG_PADDING = 0x0080, /* frame has additional slot */ 92 MAD_FLAG_PADDING = 0x0080, /* frame has additional slot */
93 93
94 MAD_FLAG_I_STEREO = 0x0100, /* uses intensity joint stereo */ 94 MAD_FLAG_I_STEREO = 0x0100, /* uses intensity joint stereo */
95 MAD_FLAG_MS_STEREO = 0x0200, /* uses middle/side joint stereo */ 95 MAD_FLAG_MS_STEREO = 0x0200, /* uses middle/side joint stereo */
96 MAD_FLAG_FREEFORMAT = 0x0400, /* uses free format bitrate */ 96 MAD_FLAG_FREEFORMAT = 0x0400, /* uses free format bitrate */
97 97
98 MAD_FLAG_LSF_EXT = 0x1000, /* lower sampling freq. extension */ 98 MAD_FLAG_LSF_EXT = 0x1000, /* lower sampling freq. extension */
99 MAD_FLAG_MC_EXT = 0x2000, /* multichannel audio extension */ 99 MAD_FLAG_MC_EXT = 0x2000, /* multichannel audio extension */
100 MAD_FLAG_MPEG_2_5_EXT = 0x4000 /* MPEG 2.5 (unofficial) extension */ 100 MAD_FLAG_MPEG_2_5_EXT = 0x4000 /* MPEG 2.5 (unofficial) extension */
101}; 101};
102 102
103enum { 103enum {
104 MAD_PRIVATE_HEADER = 0x0100, /* header private bit */ 104 MAD_PRIVATE_HEADER = 0x0100, /* header private bit */
105 MAD_PRIVATE_III = 0x001f /* Layer III private bits (up to 5) */ 105 MAD_PRIVATE_III = 0x001f /* Layer III private bits (up to 5) */
106}; 106};
107 107
108void mad_header_init(struct mad_header *); 108void mad_header_init(struct mad_header *);