source: trunk/libmpdemux/aviheader.h@ 269

Last change on this file since 269 was 269, checked in by vladest, 18 years ago

Fixed a couple of traps
Updated libavcodec/libavformat
File size: 14.7 KB
Line 
1#ifndef _aviheader_h
2#define _aviheader_h
3
4#include "libavutil/common.h"
5#include "libavutil/bswap.h"
6
7#pragma pack(1)
8
9#ifndef MIN
10#define MIN(a,b) (((a)<(b))?(a):(b))
11#endif
12
13#ifndef min
14#define min(a,b) (((a)<(b))?(a):(b))
15#endif
16
17 #ifndef max
18 #define max(a,b) (((a)>(b))?(a):(b))
19 #endif
20
21 #ifndef mmioFOURCC
22 #define mmioFOURCC( ch0, ch1, ch2, ch3 ) \
23 ( (uint32_t)(uint8_t)(ch0) | ( (uint32_t)(uint8_t)(ch1) << 8 ) | \
24 ( (uint32_t)(uint8_t)(ch2) << 16 ) | ( (uint32_t)(uint8_t)(ch3) << 24 ) )
25 #endif
26
27 /* Macro to make a TWOCC out of two characters */
28 #ifndef aviTWOCC
29 #define aviTWOCC(ch0, ch1) ((uint16_t)(uint8_t)(ch0) | ((uint16_t)(uint8_t)(ch1) << 8))
30 #endif
31
32// typedef uint16_t TWOCC;
33// typedef uint32_t FOURCC;
34
35 /* form types, list types, and chunk types */
36 #define formtypeAVI mmioFOURCC('A', 'V', 'I', ' ')
37 #define listtypeAVIHEADER mmioFOURCC('h', 'd', 'r', 'l')
38 #define ckidAVIMAINHDR mmioFOURCC('a', 'v', 'i', 'h')
39 #define listtypeSTREAMHEADER mmioFOURCC('s', 't', 'r', 'l')
40 #define ckidSTREAMHEADER mmioFOURCC('s', 't', 'r', 'h')
41 #define ckidSTREAMFORMAT mmioFOURCC('s', 't', 'r', 'f')
42 #define ckidSTREAMHANDLERDATA mmioFOURCC('s', 't', 'r', 'd')
43 #define ckidSTREAMNAME mmioFOURCC('s', 't', 'r', 'n')
44
45 #define listtypeAVIMOVIE mmioFOURCC('m', 'o', 'v', 'i')
46 #define listtypeAVIRECORD mmioFOURCC('r', 'e', 'c', ' ')
47
48 #define ckidAVINEWINDEX mmioFOURCC('i', 'd', 'x', '1')
49
50 /*
51 ** Stream types for the <fccType> field of the stream header.
52 */
53 #define streamtypeVIDEO mmioFOURCC('v', 'i', 'd', 's')
54 #define streamtypeAUDIO mmioFOURCC('a', 'u', 'd', 's')
55 #define streamtypeMIDI mmioFOURCC('m', 'i', 'd', 's')
56 #define streamtypeTEXT mmioFOURCC('t', 'x', 't', 's')
57#define streamtypeDVVIDEO mmioFOURCC('i', 'a', 'v', 's')
58 /* Basic chunk types */
59 #define cktypeDIBbits aviTWOCC('d', 'b')
60 #define cktypeDIBcompressed aviTWOCC('d', 'c')
61 #define cktypePALchange aviTWOCC('p', 'c')
62 #define cktypeWAVEbytes aviTWOCC('w', 'b')
63
64 /* Chunk id to use for extra chunks for padding. */
65 #define ckidAVIPADDING mmioFOURCC('J', 'U', 'N', 'K')
66
67 /* flags for use in <dwFlags> in AVIFileHdr */
68 #define AVIF_HASINDEX 0x00000010 // Index at end of file?
69 #define AVIF_MUSTUSEINDEX 0x00000020
70 #define AVIF_ISINTERLEAVED 0x00000100
71 #define AVIF_TRUSTCKTYPE 0x00000800 // Use CKType to find key frames?
72 #define AVIF_WASCAPTUREFILE 0x00010000
73 #define AVIF_COPYRIGHTED 0x00020000
74
75 typedef struct
76 {
77 uint32_t dwMicroSecPerFrame; // frame display rate (or 0L)
78 uint32_t dwMaxBytesPerSec; // max. transfer rate
79 uint32_t dwPaddingGranularity; // pad to multiples of this
80 // size; normally 2K.
81 uint32_t dwFlags; // the ever-present flags
82 uint32_t dwTotalFrames; // # frames in file
83 uint32_t dwInitialFrames;
84 uint32_t dwStreams;
85 uint32_t dwSuggestedBufferSize;
86
87 uint32_t dwWidth;
88 uint32_t dwHeight;
89
90 uint32_t dwReserved[4];
91 } MainAVIHeader;
92
93 /* The RECT structure */
94 typedef struct rectangle_t {
95 short left;
96 short top;
97 short right;
98 short bottom;
99 } rectangle_t;
100
101 typedef struct {
102 uint32_t fccType;
103 uint32_t fccHandler;
104 uint32_t dwFlags; /* Contains AVITF_* flags */
105 uint16_t wPriority;
106 uint16_t wLanguage;
107 uint32_t dwInitialFrames;
108 uint32_t dwScale;
109 uint32_t dwRate; /* dwRate / dwScale == samples/second */
110 uint32_t dwStart;
111 uint32_t dwLength; /* In units above... */
112 uint32_t dwSuggestedBufferSize;
113 uint32_t dwQuality;
114 uint32_t dwSampleSize;
115 rectangle_t rcFrame;
116 } AVIStreamHeader;
117
118 /* Flags for index */
119 #define AVIIF_LIST 0x00000001L // chunk is a 'LIST'
120 #define AVIIF_KEYFRAME 0x00000010L // this frame is a key frame.
121
122 #define AVIIF_NOTIME 0x00000100L // this frame doesn't take any time
123 #define AVIIF_COMPUSE 0x0FFF0000L // these bits are for compressor use
124
125// #define FOURCC_RIFF mmioFOURCC('R', 'I', 'F', 'F')
126// #define FOURCC_LIST mmioFOURCC('L', 'I', 'S', 'T')
127
128 typedef struct
129 {
130 uint32_t ckid;
131 uint32_t dwFlags;
132 uint32_t dwChunkOffset; // Position of chunk
133 uint32_t dwChunkLength; // Length of chunk
134 } AVIINDEXENTRY;
135
136
137typedef struct _avisuperindex_entry {
138 uint64_t qwOffset; // absolute file offset
139 uint32_t dwSize; // size of index chunk at this offset
140 uint32_t dwDuration; // time span in stream ticks
141} avisuperindex_entry;
142
143typedef struct _avistdindex_entry {
144 uint32_t dwOffset; // qwBaseOffset + this is absolute file offset
145 uint32_t dwSize; // bit 31 is set if this is NOT a keyframe
146} avistdindex_entry;
147
148// Standard index
149typedef struct __attribute__((packed)) _avistdindex_chunk {
150 char fcc[4]; // ix##
151 uint32_t dwSize; // size of this chunk
152 uint16_t wLongsPerEntry; // must be sizeof(aIndex[0])/sizeof(DWORD)
153 uint8_t bIndexSubType; // must be 0
154 uint8_t bIndexType; // must be AVI_INDEX_OF_CHUNKS
155 uint32_t nEntriesInUse; // first unused entry
156 char dwChunkId[4]; // '##dc' or '##db' or '##wb' etc..
157 uint64_t qwBaseOffset; // all dwOffsets in aIndex array are relative to this
158 uint32_t dwReserved3; // must be 0
159 avistdindex_entry *aIndex; // the actual frames
160} avistdindex_chunk;
161
162
163// Base Index Form 'indx'
164typedef struct _avisuperindex_chunk {
165 char fcc[4];
166 uint32_t dwSize; // size of this chunk
167 uint16_t wLongsPerEntry; // size of each entry in aIndex array (must be 4*4 for us)
168 uint8_t bIndexSubType; // future use. must be 0
169 uint8_t bIndexType; // one of AVI_INDEX_* codes
170 uint32_t nEntriesInUse; // index of first unused member in aIndex array
171 char dwChunkId[4]; // fcc of what is indexed
172 uint32_t dwReserved[3]; // meaning differs for each index type/subtype.
173 // 0 if unused
174 avisuperindex_entry *aIndex; // position of ix## chunks
175 avistdindex_chunk *stdidx; // the actual std indices
176} avisuperindex_chunk;
177
178typedef struct {
179 uint32_t CompressedBMHeight;
180 uint32_t CompressedBMWidth;
181 uint32_t ValidBMHeight;
182 uint32_t ValidBMWidth;
183 uint32_t ValidBMXOffset;
184 uint32_t ValidBMYOffset;
185 uint32_t VideoXOffsetInT;
186 uint32_t VideoYValidStartLine;
187} VIDEO_FIELD_DESC;
188
189typedef struct {
190 uint32_t VideoFormatToken;
191 uint32_t VideoStandard;
192 uint32_t dwVerticalRefreshRate;
193 uint32_t dwHTotalInT;
194 uint32_t dwVTotalInLines;
195 uint32_t dwFrameAspectRatio;
196 uint32_t dwFrameWidthInPixels;
197 uint32_t dwFrameHeightInLines;
198 uint32_t nbFieldPerFrame;
199 VIDEO_FIELD_DESC FieldInfo[2];
200} VideoPropHeader;
201
202typedef enum {
203 FORMAT_UNKNOWN,
204 FORMAT_PAL_SQUARE,
205 FORMAT_PAL_CCIR_601,
206 FORMAT_NTSC_SQUARE,
207 FORMAT_NTSC_CCIR_601,
208} VIDEO_FORMAT;
209
210typedef enum {
211 STANDARD_UNKNOWN,
212 STANDARD_PAL,
213 STANDARD_NTSC,
214 STANDARD_SECAM
215} VIDEO_STANDARD;
216
217#define MAKE_AVI_ASPECT(a, b) (((a)<<16)|(b))
218#define GET_AVI_ASPECT(a) ((float)((a)>>16)/(float)((a)&0xffff))
219
220/*
221 * Some macros to swap little endian structures read from an AVI file
222 * into machine endian format
223 */
224#ifdef WORDS_BIGENDIAN
225#define le2me_MainAVIHeader(h) { \
226 (h)->dwMicroSecPerFrame = le2me_32((h)->dwMicroSecPerFrame); \
227 (h)->dwMaxBytesPerSec = le2me_32((h)->dwMaxBytesPerSec); \
228 (h)->dwPaddingGranularity = le2me_32((h)->dwPaddingGranularity); \
229 (h)->dwFlags = le2me_32((h)->dwFlags); \
230 (h)->dwTotalFrames = le2me_32((h)->dwTotalFrames); \
231 (h)->dwInitialFrames = le2me_32((h)->dwInitialFrames); \
232 (h)->dwStreams = le2me_32((h)->dwStreams); \
233 (h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize); \
234 (h)->dwWidth = le2me_32((h)->dwWidth); \
235 (h)->dwHeight = le2me_32((h)->dwHeight); \
236 }
237
238#define le2me_AVIStreamHeader(h) { \
239 (h)->fccType = le2me_32((h)->fccType); \
240 (h)->fccHandler = le2me_32((h)->fccHandler); \
241 (h)->dwFlags = le2me_32((h)->dwFlags); \
242 (h)->wPriority = le2me_16((h)->wPriority); \
243 (h)->wLanguage = le2me_16((h)->wLanguage); \
244 (h)->dwInitialFrames = le2me_32((h)->dwInitialFrames); \
245 (h)->dwScale = le2me_32((h)->dwScale); \
246 (h)->dwRate = le2me_32((h)->dwRate); \
247 (h)->dwStart = le2me_32((h)->dwStart); \
248 (h)->dwLength = le2me_32((h)->dwLength); \
249 (h)->dwSuggestedBufferSize = le2me_32((h)->dwSuggestedBufferSize); \
250 (h)->dwQuality = le2me_32((h)->dwQuality); \
251 (h)->dwSampleSize = le2me_32((h)->dwSampleSize); \
252 le2me_RECT(&(h)->rcFrame); \
253 }
254#define le2me_RECT(h) { \
255 (h)->left = le2me_16((h)->left); \
256 (h)->top = le2me_16((h)->top); \
257 (h)->right = le2me_16((h)->right); \
258 (h)->bottom = le2me_16((h)->bottom); \
259 }
260#define le2me_BITMAPINFOHEADER(h) { \
261 (h)->biSize = le2me_32((h)->biSize); \
262 (h)->biWidth = le2me_32((h)->biWidth); \
263 (h)->biHeight = le2me_32((h)->biHeight); \
264 (h)->biPlanes = le2me_16((h)->biPlanes); \
265 (h)->biBitCount = le2me_16((h)->biBitCount); \
266 (h)->biCompression = le2me_32((h)->biCompression); \
267 (h)->biSizeImage = le2me_32((h)->biSizeImage); \
268 (h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter); \
269 (h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter); \
270 (h)->biClrUsed = le2me_32((h)->biClrUsed); \
271 (h)->biClrImportant = le2me_32((h)->biClrImportant); \
272 }
273#define le2me_WAVEFORMATEX(h) { \
274 (h)->wFormatTag = le2me_16((h)->wFormatTag); \
275 (h)->nChannels = le2me_16((h)->nChannels); \
276 (h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec); \
277 (h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec); \
278 (h)->nBlockAlign = le2me_16((h)->nBlockAlign); \
279 (h)->wBitsPerSample = le2me_16((h)->wBitsPerSample); \
280 (h)->cbSize = le2me_16((h)->cbSize); \
281 }
282#define le2me_AVIINDEXENTRY(h) { \
283 (h)->ckid = le2me_32((h)->ckid); \
284 (h)->dwFlags = le2me_32((h)->dwFlags); \
285 (h)->dwChunkOffset = le2me_32((h)->dwChunkOffset); \
286 (h)->dwChunkLength = le2me_32((h)->dwChunkLength); \
287 }
288#define le2me_AVISTDIDXCHUNK(h) {\
289 char c; \
290 c = (h)->fcc[0]; (h)->fcc[0] = (h)->fcc[3]; (h)->fcc[3] = c; \
291 c = (h)->fcc[1]; (h)->fcc[1] = (h)->fcc[2]; (h)->fcc[2] = c; \
292 (h)->dwSize = le2me_32((h)->dwSize); \
293 (h)->wLongsPerEntry = le2me_16((h)->wLongsPerEntry); \
294 (h)->nEntriesInUse = le2me_32((h)->nEntriesInUse); \
295 c = (h)->dwChunkId[0]; (h)->dwChunkId[0] = (h)->dwChunkId[3]; (h)->dwChunkId[3] = c; \
296 c = (h)->dwChunkId[1]; (h)->dwChunkId[1] = (h)->dwChunkId[2]; (h)->dwChunkId[2] = c; \
297 (h)->qwBaseOffset = le2me_64((h)->qwBaseOffset); \
298 (h)->dwReserved3 = le2me_32((h)->dwReserved3); \
299 }
300#define le2me_AVISTDIDXENTRY(h) {\
301 (h)->dwOffset = le2me_32((h)->dwOffset); \
302 (h)->dwSize = le2me_32((h)->dwSize); \
303 }
304#define le2me_VideoPropHeader(h) { \
305 (h)->VideoFormatToken = le2me_32((h)->VideoFormatToke) \
306 (h)->VideoStandrad = le2me_32((h)->VideoStandard) \
307 (h)->dwVerticalRefreshRate = le2me_32((h)->dwVerticalRefreshRate) \
308 (h)->dwHTotalInT = le2me_32((h)->dwHTotalInT) \
309 (h)->dwVTotalInLines = le2me_32((h)->dwVTotalInLines) \
310 (h)->dwFrameAspectRatio = le2me_32((h)->dwFrameAspectRatio) \
311 (h)->dwFrameWidthInPixels = le2me_32((h)->dwFrameWidthInPixels) \
312 (h)->dwFrameHeightInLines = le2me_32((h)->dwFrameHeightInLines) \
313 (h)->nbFieldPerFrame = le2me_32((h)->nbFieldPerFrame) \
314 }
315#define le2me_VIDEO_FIELD_DESC(h) { \
316 (h)->CompressedBMHeight = le2me_32((h)->CompressedBMHeight) \
317 (h)->CompressedBMWidth = le2me_32((h)->CompressedBMWidth) \
318 (h)->ValidBMHeight = le2me_32((h)->ValidBMHeight) \
319 (h)->ValidBMWidth = le2me_32((h)->ValidBMWidth) \
320 (h)->ValidBMXOffset = le2me_32((h)->ValidXOffset) \
321 (h)->ValidBMYOffset = le2me_32((h)->ValidYOffset) \
322 (h)->VideoXOffsetInT = le2me_32((h)->VideoXOffsetInT) \
323 (h)->VideoYValidStartLine = le2me_32((h)->VideoYValidStartLine) \
324 }
325#else
326#define le2me_MainAVIHeader(h) /**/
327#define le2me_AVIStreamHeader(h) /**/
328#define le2me_RECT(h) /**/
329#define le2me_BITMAPINFOHEADER(h) /**/
330#define le2me_WAVEFORMATEX(h) /**/
331#define le2me_AVIINDEXENTRY(h) /**/
332#define le2me_AVISTDIDXCHUNK(h) /**/
333#define le2me_AVISTDIDXENTRY(h) /**/
334#define le2me_VideoPropHeader(h) /**/
335#define le2me_VIDEO_FIELD_DESC(h) /**/
336#endif
337
338typedef struct {
339 // index stuff:
340 void* idx;
341 int idx_size;
342 off_t idx_pos;
343 off_t idx_pos_a;
344 off_t idx_pos_v;
345 off_t idx_offset; // ennyit kell hozzaadni az index offset ertekekhez
346 // bps-based PTS stuff:
347 int video_pack_no;
348 int audio_block_size;
349 off_t audio_block_no;
350 // interleaved PTS stuff:
351 int skip_video_frames;
352 int audio_streams;
353 float avi_audio_pts;
354 float avi_video_pts;
355 float pts_correction;
356 unsigned int pts_corr_bytes;
357 unsigned char pts_corrected;
358 unsigned char pts_has_video;
359 unsigned int numberofframes;
360 avisuperindex_chunk *suidx;
361 int suidx_size;
362 int isodml;
363} avi_priv_t;
364
365#pragma pack()
366
367#define AVI_PRIV ((avi_priv_t*)(demuxer->priv))
368#define AVI_IDX_OFFSET(x) ((((uint64_t)(x)->dwFlags&0xffff0000)<<16)+(x)->dwChunkOffset)
369
370#endif /* _aviheader_h */
371
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