diff options
Diffstat (limited to 'apps/codecs/libmad/stream.h')
-rw-r--r-- | apps/codecs/libmad/stream.h | 98 |
1 files changed, 49 insertions, 49 deletions
diff --git a/apps/codecs/libmad/stream.h b/apps/codecs/libmad/stream.h index 5fca48fdb8..c89c40e088 100644 --- a/apps/codecs/libmad/stream.h +++ b/apps/codecs/libmad/stream.h | |||
@@ -24,70 +24,70 @@ | |||
24 | 24 | ||
25 | # include "bit.h" | 25 | # include "bit.h" |
26 | 26 | ||
27 | # define MAD_BUFFER_GUARD 8 | 27 | # define MAD_BUFFER_GUARD 8 |
28 | # define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD) | 28 | # define MAD_BUFFER_MDLEN (511 + 2048 + MAD_BUFFER_GUARD) |
29 | 29 | ||
30 | enum mad_error { | 30 | enum mad_error { |
31 | MAD_ERROR_NONE = 0x0000, /* no error */ | 31 | MAD_ERROR_NONE = 0x0000, /* no error */ |
32 | 32 | ||
33 | MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */ | 33 | MAD_ERROR_BUFLEN = 0x0001, /* input buffer too small (or EOF) */ |
34 | MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */ | 34 | MAD_ERROR_BUFPTR = 0x0002, /* invalid (null) buffer pointer */ |
35 | 35 | ||
36 | MAD_ERROR_NOMEM = 0x0031, /* not enough memory */ | 36 | MAD_ERROR_NOMEM = 0x0031, /* not enough memory */ |
37 | 37 | ||
38 | MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */ | 38 | MAD_ERROR_LOSTSYNC = 0x0101, /* lost synchronization */ |
39 | MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */ | 39 | MAD_ERROR_BADLAYER = 0x0102, /* reserved header layer value */ |
40 | MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */ | 40 | MAD_ERROR_BADBITRATE = 0x0103, /* forbidden bitrate value */ |
41 | MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */ | 41 | MAD_ERROR_BADSAMPLERATE = 0x0104, /* reserved sample frequency value */ |
42 | MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */ | 42 | MAD_ERROR_BADEMPHASIS = 0x0105, /* reserved emphasis value */ |
43 | 43 | ||
44 | MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */ | 44 | MAD_ERROR_BADCRC = 0x0201, /* CRC check failed */ |
45 | MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */ | 45 | MAD_ERROR_BADBITALLOC = 0x0211, /* forbidden bit allocation value */ |
46 | MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */ | 46 | MAD_ERROR_BADSCALEFACTOR = 0x0221, /* bad scalefactor index */ |
47 | MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */ | 47 | MAD_ERROR_BADMODE = 0x0222, /* bad bitrate/mode combination */ |
48 | MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */ | 48 | MAD_ERROR_BADFRAMELEN = 0x0231, /* bad frame length */ |
49 | MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */ | 49 | MAD_ERROR_BADBIGVALUES = 0x0232, /* bad big_values count */ |
50 | MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */ | 50 | MAD_ERROR_BADBLOCKTYPE = 0x0233, /* reserved block_type */ |
51 | MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */ | 51 | MAD_ERROR_BADSCFSI = 0x0234, /* bad scalefactor selection info */ |
52 | MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */ | 52 | MAD_ERROR_BADDATAPTR = 0x0235, /* bad main_data_begin pointer */ |
53 | MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */ | 53 | MAD_ERROR_BADPART3LEN = 0x0236, /* bad audio data length */ |
54 | MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */ | 54 | MAD_ERROR_BADHUFFTABLE = 0x0237, /* bad Huffman table select */ |
55 | MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */ | 55 | MAD_ERROR_BADHUFFDATA = 0x0238, /* Huffman data overrun */ |
56 | MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */ | 56 | MAD_ERROR_BADSTEREO = 0x0239 /* incompatible block_type for JS */ |
57 | }; | 57 | }; |
58 | 58 | ||
59 | # define MAD_RECOVERABLE(error) ((error) & 0xff00) | 59 | # define MAD_RECOVERABLE(error) ((error) & 0xff00) |
60 | 60 | ||
61 | struct mad_stream { | 61 | struct mad_stream { |
62 | unsigned char const *buffer; /* input bitstream buffer */ | 62 | unsigned char const *buffer; /* input bitstream buffer */ |
63 | unsigned char const *bufend; /* end of buffer */ | 63 | unsigned char const *bufend; /* end of buffer */ |
64 | unsigned long skiplen; /* bytes to skip before next frame */ | 64 | unsigned long skiplen; /* bytes to skip before next frame */ |
65 | 65 | ||
66 | int sync; /* stream sync found */ | 66 | int sync; /* stream sync found */ |
67 | unsigned long freerate; /* free bitrate (fixed) */ | 67 | unsigned long freerate; /* free bitrate (fixed) */ |
68 | 68 | ||
69 | unsigned char const *this_frame; /* start of current frame */ | 69 | unsigned char const *this_frame; /* start of current frame */ |
70 | unsigned char const *next_frame; /* start of next frame */ | 70 | unsigned char const *next_frame; /* start of next frame */ |
71 | struct mad_bitptr ptr; /* current processing bit pointer */ | 71 | struct mad_bitptr ptr; /* current processing bit pointer */ |
72 | 72 | ||
73 | struct mad_bitptr anc_ptr; /* ancillary bits pointer */ | 73 | struct mad_bitptr anc_ptr; /* ancillary bits pointer */ |
74 | unsigned int anc_bitlen; /* number of ancillary bits */ | 74 | unsigned int anc_bitlen; /* number of ancillary bits */ |
75 | 75 | ||
76 | unsigned char (*main_data)[MAD_BUFFER_MDLEN]; | 76 | unsigned char (*main_data)[MAD_BUFFER_MDLEN]; |
77 | /* Layer III main_data() */ | 77 | /* Layer III main_data() */ |
78 | unsigned int md_len; /* bytes in main_data */ | 78 | unsigned int md_len; /* bytes in main_data */ |
79 | 79 | ||
80 | int options; /* decoding options (see below) */ | 80 | int options; /* decoding options (see below) */ |
81 | enum mad_error error; /* error code (see above) */ | 81 | enum mad_error error; /* error code (see above) */ |
82 | }; | 82 | }; |
83 | 83 | ||
84 | enum { | 84 | enum { |
85 | MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */ | 85 | MAD_OPTION_IGNORECRC = 0x0001, /* ignore CRC errors */ |
86 | MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */ | 86 | MAD_OPTION_HALFSAMPLERATE = 0x0002 /* generate PCM at 1/2 sample rate */ |
87 | # if 0 /* not yet implemented */ | 87 | # if 0 /* not yet implemented */ |
88 | MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */ | 88 | MAD_OPTION_LEFTCHANNEL = 0x0010, /* decode left channel only */ |
89 | MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */ | 89 | MAD_OPTION_RIGHTCHANNEL = 0x0020, /* decode right channel only */ |
90 | MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */ | 90 | MAD_OPTION_SINGLECHANNEL = 0x0030 /* combine channels */ |
91 | # endif | 91 | # endif |
92 | }; | 92 | }; |
93 | 93 | ||
@@ -98,7 +98,7 @@ void mad_stream_finish(struct mad_stream *); | |||
98 | ((void) ((stream)->options = (opts))) | 98 | ((void) ((stream)->options = (opts))) |
99 | 99 | ||
100 | void mad_stream_buffer(struct mad_stream *, | 100 | void mad_stream_buffer(struct mad_stream *, |
101 | unsigned char const *, unsigned long); | 101 | unsigned char const *, unsigned long); |
102 | void mad_stream_skip(struct mad_stream *, unsigned long); | 102 | void mad_stream_skip(struct mad_stream *, unsigned long); |
103 | 103 | ||
104 | int mad_stream_sync(struct mad_stream *); | 104 | int mad_stream_sync(struct mad_stream *); |