diff options
author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
---|---|---|
committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libwmavoice/utils.c | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libwmavoice/utils.c')
-rw-r--r-- | lib/rbcodec/codecs/libwmavoice/utils.c | 1188 |
1 files changed, 1188 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libwmavoice/utils.c b/lib/rbcodec/codecs/libwmavoice/utils.c new file mode 100644 index 0000000000..ad098f4636 --- /dev/null +++ b/lib/rbcodec/codecs/libwmavoice/utils.c | |||
@@ -0,0 +1,1188 @@ | |||
1 | /* | ||
2 | * utils for libavcodec | ||
3 | * Copyright (c) 2001 Fabrice Bellard | ||
4 | * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | ||
5 | * | ||
6 | * This file is part of FFmpeg. | ||
7 | * | ||
8 | * FFmpeg is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public | ||
10 | * License as published by the Free Software Foundation; either | ||
11 | * version 2.1 of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * FFmpeg is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with FFmpeg; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | |||
23 | /** | ||
24 | * @file | ||
25 | * utils. | ||
26 | */ | ||
27 | |||
28 | //#include "libavutil/avstring.h" | ||
29 | //#include "libavutil/integer.h" | ||
30 | //#include "libavutil/crc.h" | ||
31 | //#include "libavutil/pixdesc.h" | ||
32 | //#include "libavcore/imgutils.h" | ||
33 | #include "avcodec.h" | ||
34 | //#include "dsputil.h" | ||
35 | //#include "opt.h" | ||
36 | //#include "imgconvert.h" | ||
37 | //#include "audioconvert.h" | ||
38 | #include "internal.h" | ||
39 | #include <stdlib.h> | ||
40 | #include <stdarg.h> | ||
41 | #include <limits.h> | ||
42 | #include <float.h> | ||
43 | |||
44 | #if 0 | ||
45 | static int volatile entangled_thread_counter=0; | ||
46 | int (*ff_lockmgr_cb)(void **mutex, enum AVLockOp op); | ||
47 | static void *codec_mutex; | ||
48 | |||
49 | void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size) | ||
50 | { | ||
51 | if(min_size < *size) | ||
52 | return ptr; | ||
53 | |||
54 | *size= FFMAX(17*min_size/16 + 32, min_size); | ||
55 | |||
56 | ptr= av_realloc(ptr, *size); | ||
57 | if(!ptr) //we could set this to the unmodified min_size but this is safer if the user lost the ptr and uses NULL now | ||
58 | *size= 0; | ||
59 | |||
60 | return ptr; | ||
61 | } | ||
62 | |||
63 | void av_fast_malloc(void *ptr, unsigned int *size, unsigned int min_size) | ||
64 | { | ||
65 | void **p = ptr; | ||
66 | if (min_size < *size) | ||
67 | return; | ||
68 | *size= FFMAX(17*min_size/16 + 32, min_size); | ||
69 | av_free(*p); | ||
70 | *p = av_malloc(*size); | ||
71 | if (!*p) *size = 0; | ||
72 | } | ||
73 | |||
74 | /* encoder management */ | ||
75 | static AVCodec *first_avcodec = NULL; | ||
76 | |||
77 | AVCodec *av_codec_next(AVCodec *c){ | ||
78 | if(c) return c->next; | ||
79 | else return first_avcodec; | ||
80 | } | ||
81 | |||
82 | void avcodec_register(AVCodec *codec) | ||
83 | { | ||
84 | AVCodec **p; | ||
85 | avcodec_init(); | ||
86 | p = &first_avcodec; | ||
87 | while (*p != NULL) p = &(*p)->next; | ||
88 | *p = codec; | ||
89 | codec->next = NULL; | ||
90 | } | ||
91 | |||
92 | #if LIBAVCODEC_VERSION_MAJOR < 53 | ||
93 | void register_avcodec(AVCodec *codec) | ||
94 | { | ||
95 | avcodec_register(codec); | ||
96 | } | ||
97 | #endif | ||
98 | |||
99 | unsigned avcodec_get_edge_width(void) | ||
100 | { | ||
101 | return EDGE_WIDTH; | ||
102 | } | ||
103 | |||
104 | void avcodec_set_dimensions(AVCodecContext *s, int width, int height){ | ||
105 | s->coded_width = width; | ||
106 | s->coded_height= height; | ||
107 | s->width = -((-width )>>s->lowres); | ||
108 | s->height= -((-height)>>s->lowres); | ||
109 | } | ||
110 | |||
111 | typedef struct InternalBuffer{ | ||
112 | int last_pic_num; | ||
113 | uint8_t *base[4]; | ||
114 | uint8_t *data[4]; | ||
115 | int linesize[4]; | ||
116 | int width, height; | ||
117 | enum PixelFormat pix_fmt; | ||
118 | }InternalBuffer; | ||
119 | |||
120 | #define INTERNAL_BUFFER_SIZE 32 | ||
121 | |||
122 | void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, int linesize_align[4]){ | ||
123 | int w_align= 1; | ||
124 | int h_align= 1; | ||
125 | |||
126 | switch(s->pix_fmt){ | ||
127 | case PIX_FMT_YUV420P: | ||
128 | case PIX_FMT_YUYV422: | ||
129 | case PIX_FMT_UYVY422: | ||
130 | case PIX_FMT_YUV422P: | ||
131 | case PIX_FMT_YUV440P: | ||
132 | case PIX_FMT_YUV444P: | ||
133 | case PIX_FMT_GRAY8: | ||
134 | case PIX_FMT_GRAY16BE: | ||
135 | case PIX_FMT_GRAY16LE: | ||
136 | case PIX_FMT_YUVJ420P: | ||
137 | case PIX_FMT_YUVJ422P: | ||
138 | case PIX_FMT_YUVJ440P: | ||
139 | case PIX_FMT_YUVJ444P: | ||
140 | case PIX_FMT_YUVA420P: | ||
141 | w_align= 16; //FIXME check for non mpeg style codecs and use less alignment | ||
142 | h_align= 16; | ||
143 | if(s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id == CODEC_ID_AMV || s->codec_id == CODEC_ID_THP) | ||
144 | h_align= 32; // interlaced is rounded up to 2 MBs | ||
145 | break; | ||
146 | case PIX_FMT_YUV411P: | ||
147 | case PIX_FMT_UYYVYY411: | ||
148 | w_align=32; | ||
149 | h_align=8; | ||
150 | break; | ||
151 | case PIX_FMT_YUV410P: | ||
152 | if(s->codec_id == CODEC_ID_SVQ1){ | ||
153 | w_align=64; | ||
154 | h_align=64; | ||
155 | } | ||
156 | case PIX_FMT_RGB555: | ||
157 | if(s->codec_id == CODEC_ID_RPZA){ | ||
158 | w_align=4; | ||
159 | h_align=4; | ||
160 | } | ||
161 | case PIX_FMT_PAL8: | ||
162 | case PIX_FMT_BGR8: | ||
163 | case PIX_FMT_RGB8: | ||
164 | if(s->codec_id == CODEC_ID_SMC){ | ||
165 | w_align=4; | ||
166 | h_align=4; | ||
167 | } | ||
168 | break; | ||
169 | case PIX_FMT_BGR24: | ||
170 | if((s->codec_id == CODEC_ID_MSZH) || (s->codec_id == CODEC_ID_ZLIB)){ | ||
171 | w_align=4; | ||
172 | h_align=4; | ||
173 | } | ||
174 | break; | ||
175 | default: | ||
176 | w_align= 1; | ||
177 | h_align= 1; | ||
178 | break; | ||
179 | } | ||
180 | |||
181 | *width = FFALIGN(*width , w_align); | ||
182 | *height= FFALIGN(*height, h_align); | ||
183 | if(s->codec_id == CODEC_ID_H264) | ||
184 | *height+=2; // some of the optimized chroma MC reads one line too much | ||
185 | |||
186 | linesize_align[0] = | ||
187 | linesize_align[1] = | ||
188 | linesize_align[2] = | ||
189 | linesize_align[3] = STRIDE_ALIGN; | ||
190 | //STRIDE_ALIGN is 8 for SSE* but this does not work for SVQ1 chroma planes | ||
191 | //we could change STRIDE_ALIGN to 16 for x86/sse but it would increase the | ||
192 | //picture size unneccessarily in some cases. The solution here is not | ||
193 | //pretty and better ideas are welcome! | ||
194 | #if HAVE_MMX | ||
195 | if(s->codec_id == CODEC_ID_SVQ1 || s->codec_id == CODEC_ID_VP5 || | ||
196 | s->codec_id == CODEC_ID_VP6 || s->codec_id == CODEC_ID_VP6F || | ||
197 | s->codec_id == CODEC_ID_VP6A) { | ||
198 | linesize_align[0] = | ||
199 | linesize_align[1] = | ||
200 | linesize_align[2] = 16; | ||
201 | } | ||
202 | #endif | ||
203 | } | ||
204 | |||
205 | void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){ | ||
206 | int chroma_shift = av_pix_fmt_descriptors[s->pix_fmt].log2_chroma_w; | ||
207 | int linesize_align[4]; | ||
208 | int align; | ||
209 | avcodec_align_dimensions2(s, width, height, linesize_align); | ||
210 | align = FFMAX(linesize_align[0], linesize_align[3]); | ||
211 | linesize_align[1] <<= chroma_shift; | ||
212 | linesize_align[2] <<= chroma_shift; | ||
213 | align = FFMAX3(align, linesize_align[1], linesize_align[2]); | ||
214 | *width=FFALIGN(*width, align); | ||
215 | } | ||
216 | |||
217 | #if LIBAVCODEC_VERSION_MAJOR < 53 | ||
218 | int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){ | ||
219 | return av_check_image_size(w, h, 0, av_log_ctx); | ||
220 | } | ||
221 | #endif | ||
222 | |||
223 | int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){ | ||
224 | int i; | ||
225 | int w= s->width; | ||
226 | int h= s->height; | ||
227 | InternalBuffer *buf; | ||
228 | int *picture_number; | ||
229 | |||
230 | if(pic->data[0]!=NULL) { | ||
231 | av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n"); | ||
232 | return -1; | ||
233 | } | ||
234 | if(s->internal_buffer_count >= INTERNAL_BUFFER_SIZE) { | ||
235 | av_log(s, AV_LOG_ERROR, "internal_buffer_count overflow (missing release_buffer?)\n"); | ||
236 | return -1; | ||
237 | } | ||
238 | |||
239 | if(av_check_image_size(w, h, 0, s)) | ||
240 | return -1; | ||
241 | |||
242 | if(s->internal_buffer==NULL){ | ||
243 | s->internal_buffer= av_mallocz((INTERNAL_BUFFER_SIZE+1)*sizeof(InternalBuffer)); | ||
244 | } | ||
245 | #if 0 | ||
246 | s->internal_buffer= av_fast_realloc( | ||
247 | s->internal_buffer, | ||
248 | &s->internal_buffer_size, | ||
249 | sizeof(InternalBuffer)*FFMAX(99, s->internal_buffer_count+1)/*FIXME*/ | ||
250 | ); | ||
251 | #endif | ||
252 | |||
253 | buf= &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count]; | ||
254 | picture_number= &(((InternalBuffer*)s->internal_buffer)[INTERNAL_BUFFER_SIZE]).last_pic_num; //FIXME ugly hack | ||
255 | (*picture_number)++; | ||
256 | |||
257 | if(buf->base[0] && (buf->width != w || buf->height != h || buf->pix_fmt != s->pix_fmt)){ | ||
258 | for(i=0; i<4; i++){ | ||
259 | av_freep(&buf->base[i]); | ||
260 | buf->data[i]= NULL; | ||
261 | } | ||
262 | } | ||
263 | |||
264 | if(buf->base[0]){ | ||
265 | pic->age= *picture_number - buf->last_pic_num; | ||
266 | buf->last_pic_num= *picture_number; | ||
267 | }else{ | ||
268 | int h_chroma_shift, v_chroma_shift; | ||
269 | int size[4] = {0}; | ||
270 | int tmpsize; | ||
271 | int unaligned; | ||
272 | AVPicture picture; | ||
273 | int stride_align[4]; | ||
274 | |||
275 | avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift); | ||
276 | |||
277 | avcodec_align_dimensions2(s, &w, &h, stride_align); | ||
278 | |||
279 | if(!(s->flags&CODEC_FLAG_EMU_EDGE)){ | ||
280 | w+= EDGE_WIDTH*2; | ||
281 | h+= EDGE_WIDTH*2; | ||
282 | } | ||
283 | |||
284 | do { | ||
285 | // NOTE: do not align linesizes individually, this breaks e.g. assumptions | ||
286 | // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2 | ||
287 | av_fill_image_linesizes(picture.linesize, s->pix_fmt, w); | ||
288 | // increase alignment of w for next try (rhs gives the lowest bit set in w) | ||
289 | w += w & ~(w-1); | ||
290 | |||
291 | unaligned = 0; | ||
292 | for (i=0; i<4; i++){ | ||
293 | unaligned |= picture.linesize[i] % stride_align[i]; | ||
294 | } | ||
295 | } while (unaligned); | ||
296 | |||
297 | tmpsize = av_fill_image_pointers(picture.data, s->pix_fmt, h, NULL, picture.linesize); | ||
298 | if (tmpsize < 0) | ||
299 | return -1; | ||
300 | |||
301 | for (i=0; i<3 && picture.data[i+1]; i++) | ||
302 | size[i] = picture.data[i+1] - picture.data[i]; | ||
303 | size[i] = tmpsize - (picture.data[i] - picture.data[0]); | ||
304 | |||
305 | buf->last_pic_num= -256*256*256*64; | ||
306 | memset(buf->base, 0, sizeof(buf->base)); | ||
307 | memset(buf->data, 0, sizeof(buf->data)); | ||
308 | |||
309 | for(i=0; i<4 && size[i]; i++){ | ||
310 | const int h_shift= i==0 ? 0 : h_chroma_shift; | ||
311 | const int v_shift= i==0 ? 0 : v_chroma_shift; | ||
312 | |||
313 | buf->linesize[i]= picture.linesize[i]; | ||
314 | |||
315 | buf->base[i]= av_malloc(size[i]+16); //FIXME 16 | ||
316 | if(buf->base[i]==NULL) return -1; | ||
317 | memset(buf->base[i], 128, size[i]); | ||
318 | |||
319 | // no edge if EDGE EMU or not planar YUV | ||
320 | if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2]) | ||
321 | buf->data[i] = buf->base[i]; | ||
322 | else | ||
323 | buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]); | ||
324 | } | ||
325 | if(size[1] && !size[2]) | ||
326 | ff_set_systematic_pal((uint32_t*)buf->data[1], s->pix_fmt); | ||
327 | buf->width = s->width; | ||
328 | buf->height = s->height; | ||
329 | buf->pix_fmt= s->pix_fmt; | ||
330 | pic->age= 256*256*256*64; | ||
331 | } | ||
332 | pic->type= FF_BUFFER_TYPE_INTERNAL; | ||
333 | |||
334 | for(i=0; i<4; i++){ | ||
335 | pic->base[i]= buf->base[i]; | ||
336 | pic->data[i]= buf->data[i]; | ||
337 | pic->linesize[i]= buf->linesize[i]; | ||
338 | } | ||
339 | s->internal_buffer_count++; | ||
340 | |||
341 | pic->reordered_opaque= s->reordered_opaque; | ||
342 | |||
343 | if(s->debug&FF_DEBUG_BUFFERS) | ||
344 | av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count); | ||
345 | |||
346 | return 0; | ||
347 | } | ||
348 | |||
349 | void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){ | ||
350 | int i; | ||
351 | InternalBuffer *buf, *last; | ||
352 | |||
353 | assert(pic->type==FF_BUFFER_TYPE_INTERNAL); | ||
354 | assert(s->internal_buffer_count); | ||
355 | |||
356 | buf = NULL; /* avoids warning */ | ||
357 | for(i=0; i<s->internal_buffer_count; i++){ //just 3-5 checks so is not worth to optimize | ||
358 | buf= &((InternalBuffer*)s->internal_buffer)[i]; | ||
359 | if(buf->data[0] == pic->data[0]) | ||
360 | break; | ||
361 | } | ||
362 | assert(i < s->internal_buffer_count); | ||
363 | s->internal_buffer_count--; | ||
364 | last = &((InternalBuffer*)s->internal_buffer)[s->internal_buffer_count]; | ||
365 | |||
366 | FFSWAP(InternalBuffer, *buf, *last); | ||
367 | |||
368 | for(i=0; i<4; i++){ | ||
369 | pic->data[i]=NULL; | ||
370 | // pic->base[i]=NULL; | ||
371 | } | ||
372 | //printf("R%X\n", pic->opaque); | ||
373 | |||
374 | if(s->debug&FF_DEBUG_BUFFERS) | ||
375 | av_log(s, AV_LOG_DEBUG, "default_release_buffer called on pic %p, %d buffers used\n", pic, s->internal_buffer_count); | ||
376 | } | ||
377 | |||
378 | int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){ | ||
379 | AVFrame temp_pic; | ||
380 | int i; | ||
381 | |||
382 | /* If no picture return a new buffer */ | ||
383 | if(pic->data[0] == NULL) { | ||
384 | /* We will copy from buffer, so must be readable */ | ||
385 | pic->buffer_hints |= FF_BUFFER_HINTS_READABLE; | ||
386 | return s->get_buffer(s, pic); | ||
387 | } | ||
388 | |||
389 | /* If internal buffer type return the same buffer */ | ||
390 | if(pic->type == FF_BUFFER_TYPE_INTERNAL) { | ||
391 | pic->reordered_opaque= s->reordered_opaque; | ||
392 | return 0; | ||
393 | } | ||
394 | |||
395 | /* | ||
396 | * Not internal type and reget_buffer not overridden, emulate cr buffer | ||
397 | */ | ||
398 | temp_pic = *pic; | ||
399 | for(i = 0; i < 4; i++) | ||
400 | pic->data[i] = pic->base[i] = NULL; | ||
401 | pic->opaque = NULL; | ||
402 | /* Allocate new frame */ | ||
403 | if (s->get_buffer(s, pic)) | ||
404 | return -1; | ||
405 | /* Copy image data from old buffer to new buffer */ | ||
406 | av_picture_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width, | ||
407 | s->height); | ||
408 | s->release_buffer(s, &temp_pic); // Release old frame | ||
409 | return 0; | ||
410 | } | ||
411 | |||
412 | int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){ | ||
413 | int i; | ||
414 | |||
415 | for(i=0; i<count; i++){ | ||
416 | int r= func(c, (char*)arg + i*size); | ||
417 | if(ret) ret[i]= r; | ||
418 | } | ||
419 | return 0; | ||
420 | } | ||
421 | |||
422 | int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr),void *arg, int *ret, int count){ | ||
423 | int i; | ||
424 | |||
425 | for(i=0; i<count; i++){ | ||
426 | int r= func(c, arg, i, 0); | ||
427 | if(ret) ret[i]= r; | ||
428 | } | ||
429 | return 0; | ||
430 | } | ||
431 | |||
432 | enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat *fmt){ | ||
433 | while (*fmt != PIX_FMT_NONE && ff_is_hwaccel_pix_fmt(*fmt)) | ||
434 | ++fmt; | ||
435 | return fmt[0]; | ||
436 | } | ||
437 | |||
438 | void avcodec_get_frame_defaults(AVFrame *pic){ | ||
439 | memset(pic, 0, sizeof(AVFrame)); | ||
440 | |||
441 | pic->pts= AV_NOPTS_VALUE; | ||
442 | pic->key_frame= 1; | ||
443 | } | ||
444 | |||
445 | AVFrame *avcodec_alloc_frame(void){ | ||
446 | AVFrame *pic= av_malloc(sizeof(AVFrame)); | ||
447 | |||
448 | if(pic==NULL) return NULL; | ||
449 | |||
450 | avcodec_get_frame_defaults(pic); | ||
451 | |||
452 | return pic; | ||
453 | } | ||
454 | |||
455 | int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec) | ||
456 | { | ||
457 | int ret= -1; | ||
458 | |||
459 | /* If there is a user-supplied mutex locking routine, call it. */ | ||
460 | if (ff_lockmgr_cb) { | ||
461 | if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) | ||
462 | return -1; | ||
463 | } | ||
464 | |||
465 | entangled_thread_counter++; | ||
466 | if(entangled_thread_counter != 1){ | ||
467 | av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n"); | ||
468 | goto end; | ||
469 | } | ||
470 | |||
471 | if(avctx->codec || !codec) | ||
472 | goto end; | ||
473 | |||
474 | if (codec->priv_data_size > 0) { | ||
475 | avctx->priv_data = av_mallocz(codec->priv_data_size); | ||
476 | if (!avctx->priv_data) { | ||
477 | ret = AVERROR(ENOMEM); | ||
478 | goto end; | ||
479 | } | ||
480 | } else { | ||
481 | avctx->priv_data = NULL; | ||
482 | } | ||
483 | |||
484 | if(avctx->coded_width && avctx->coded_height) | ||
485 | avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height); | ||
486 | else if(avctx->width && avctx->height) | ||
487 | avcodec_set_dimensions(avctx, avctx->width, avctx->height); | ||
488 | |||
489 | #define SANE_NB_CHANNELS 128U | ||
490 | if (((avctx->coded_width || avctx->coded_height) | ||
491 | && av_check_image_size(avctx->coded_width, avctx->coded_height, 0, avctx)) | ||
492 | || avctx->channels > SANE_NB_CHANNELS) { | ||
493 | ret = AVERROR(EINVAL); | ||
494 | goto free_and_end; | ||
495 | } | ||
496 | |||
497 | avctx->codec = codec; | ||
498 | if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) && | ||
499 | avctx->codec_id == CODEC_ID_NONE) { | ||
500 | avctx->codec_type = codec->type; | ||
501 | avctx->codec_id = codec->id; | ||
502 | } | ||
503 | if(avctx->codec_id != codec->id || avctx->codec_type != codec->type){ | ||
504 | av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n"); | ||
505 | goto free_and_end; | ||
506 | } | ||
507 | avctx->frame_number = 0; | ||
508 | if(avctx->codec->init){ | ||
509 | if(avctx->codec_type == AVMEDIA_TYPE_VIDEO && | ||
510 | avctx->codec->max_lowres < avctx->lowres){ | ||
511 | av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n", | ||
512 | avctx->codec->max_lowres); | ||
513 | goto free_and_end; | ||
514 | } | ||
515 | |||
516 | ret = avctx->codec->init(avctx); | ||
517 | if (ret < 0) { | ||
518 | goto free_and_end; | ||
519 | } | ||
520 | } | ||
521 | ret=0; | ||
522 | end: | ||
523 | entangled_thread_counter--; | ||
524 | |||
525 | /* Release any user-supplied mutex. */ | ||
526 | if (ff_lockmgr_cb) { | ||
527 | (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); | ||
528 | } | ||
529 | return ret; | ||
530 | free_and_end: | ||
531 | av_freep(&avctx->priv_data); | ||
532 | avctx->codec= NULL; | ||
533 | goto end; | ||
534 | } | ||
535 | |||
536 | int attribute_align_arg avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, | ||
537 | const short *samples) | ||
538 | { | ||
539 | if(buf_size < FF_MIN_BUFFER_SIZE && 0){ | ||
540 | av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n"); | ||
541 | return -1; | ||
542 | } | ||
543 | if((avctx->codec->capabilities & CODEC_CAP_DELAY) || samples){ | ||
544 | int ret = avctx->codec->encode(avctx, buf, buf_size, samples); | ||
545 | avctx->frame_number++; | ||
546 | return ret; | ||
547 | }else | ||
548 | return 0; | ||
549 | } | ||
550 | |||
551 | int attribute_align_arg avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size, | ||
552 | const AVFrame *pict) | ||
553 | { | ||
554 | if(buf_size < FF_MIN_BUFFER_SIZE){ | ||
555 | av_log(avctx, AV_LOG_ERROR, "buffer smaller than minimum size\n"); | ||
556 | return -1; | ||
557 | } | ||
558 | if(av_check_image_size(avctx->width, avctx->height, 0, avctx)) | ||
559 | return -1; | ||
560 | if((avctx->codec->capabilities & CODEC_CAP_DELAY) || pict){ | ||
561 | int ret = avctx->codec->encode(avctx, buf, buf_size, pict); | ||
562 | avctx->frame_number++; | ||
563 | emms_c(); //needed to avoid an emms_c() call before every return; | ||
564 | |||
565 | return ret; | ||
566 | }else | ||
567 | return 0; | ||
568 | } | ||
569 | |||
570 | int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, | ||
571 | const AVSubtitle *sub) | ||
572 | { | ||
573 | int ret; | ||
574 | if(sub->start_display_time) { | ||
575 | av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n"); | ||
576 | return -1; | ||
577 | } | ||
578 | if(sub->num_rects == 0 || !sub->rects) | ||
579 | return -1; | ||
580 | ret = avctx->codec->encode(avctx, buf, buf_size, sub); | ||
581 | avctx->frame_number++; | ||
582 | return ret; | ||
583 | } | ||
584 | |||
585 | #if LIBAVCODEC_VERSION_MAJOR < 53 | ||
586 | int attribute_align_arg avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture, | ||
587 | int *got_picture_ptr, | ||
588 | const uint8_t *buf, int buf_size) | ||
589 | { | ||
590 | AVPacket avpkt; | ||
591 | av_init_packet(&avpkt); | ||
592 | avpkt.data = buf; | ||
593 | avpkt.size = buf_size; | ||
594 | // HACK for CorePNG to decode as normal PNG by default | ||
595 | avpkt.flags = AV_PKT_FLAG_KEY; | ||
596 | |||
597 | return avcodec_decode_video2(avctx, picture, got_picture_ptr, &avpkt); | ||
598 | } | ||
599 | #endif | ||
600 | |||
601 | int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, | ||
602 | int *got_picture_ptr, | ||
603 | AVPacket *avpkt) | ||
604 | { | ||
605 | int ret; | ||
606 | |||
607 | *got_picture_ptr= 0; | ||
608 | if((avctx->coded_width||avctx->coded_height) && av_check_image_size(avctx->coded_width, avctx->coded_height, 0, avctx)) | ||
609 | return -1; | ||
610 | if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){ | ||
611 | ret = avctx->codec->decode(avctx, picture, got_picture_ptr, | ||
612 | avpkt); | ||
613 | |||
614 | emms_c(); //needed to avoid an emms_c() call before every return; | ||
615 | |||
616 | if (*got_picture_ptr) | ||
617 | avctx->frame_number++; | ||
618 | }else | ||
619 | ret= 0; | ||
620 | |||
621 | return ret; | ||
622 | } | ||
623 | |||
624 | #if LIBAVCODEC_VERSION_MAJOR < 53 | ||
625 | int attribute_align_arg avcodec_decode_audio2(AVCodecContext *avctx, int16_t *samples, | ||
626 | int *frame_size_ptr, | ||
627 | const uint8_t *buf, int buf_size) | ||
628 | { | ||
629 | AVPacket avpkt; | ||
630 | av_init_packet(&avpkt); | ||
631 | avpkt.data = buf; | ||
632 | avpkt.size = buf_size; | ||
633 | |||
634 | return avcodec_decode_audio3(avctx, samples, frame_size_ptr, &avpkt); | ||
635 | } | ||
636 | #endif | ||
637 | |||
638 | int attribute_align_arg avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples, | ||
639 | int *frame_size_ptr, | ||
640 | AVPacket *avpkt) | ||
641 | { | ||
642 | int ret; | ||
643 | |||
644 | if((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size){ | ||
645 | //FIXME remove the check below _after_ ensuring that all audio check that the available space is enough | ||
646 | if(*frame_size_ptr < AVCODEC_MAX_AUDIO_FRAME_SIZE){ | ||
647 | av_log(avctx, AV_LOG_ERROR, "buffer smaller than AVCODEC_MAX_AUDIO_FRAME_SIZE\n"); | ||
648 | return -1; | ||
649 | } | ||
650 | if(*frame_size_ptr < FF_MIN_BUFFER_SIZE || | ||
651 | *frame_size_ptr < avctx->channels * avctx->frame_size * sizeof(int16_t)){ | ||
652 | av_log(avctx, AV_LOG_ERROR, "buffer %d too small\n", *frame_size_ptr); | ||
653 | return -1; | ||
654 | } | ||
655 | |||
656 | ret = avctx->codec->decode(avctx, samples, frame_size_ptr, avpkt); | ||
657 | avctx->frame_number++; | ||
658 | }else{ | ||
659 | ret= 0; | ||
660 | *frame_size_ptr=0; | ||
661 | } | ||
662 | return ret; | ||
663 | } | ||
664 | |||
665 | #if LIBAVCODEC_VERSION_MAJOR < 53 | ||
666 | int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub, | ||
667 | int *got_sub_ptr, | ||
668 | const uint8_t *buf, int buf_size) | ||
669 | { | ||
670 | AVPacket avpkt; | ||
671 | av_init_packet(&avpkt); | ||
672 | avpkt.data = buf; | ||
673 | avpkt.size = buf_size; | ||
674 | |||
675 | return avcodec_decode_subtitle2(avctx, sub, got_sub_ptr, &avpkt); | ||
676 | } | ||
677 | #endif | ||
678 | |||
679 | int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, | ||
680 | int *got_sub_ptr, | ||
681 | AVPacket *avpkt) | ||
682 | { | ||
683 | int ret; | ||
684 | |||
685 | *got_sub_ptr = 0; | ||
686 | ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt); | ||
687 | if (*got_sub_ptr) | ||
688 | avctx->frame_number++; | ||
689 | return ret; | ||
690 | } | ||
691 | |||
692 | void avsubtitle_free(AVSubtitle *sub) | ||
693 | { | ||
694 | int i; | ||
695 | |||
696 | for (i = 0; i < sub->num_rects; i++) | ||
697 | { | ||
698 | av_freep(&sub->rects[i]->pict.data[0]); | ||
699 | av_freep(&sub->rects[i]->pict.data[1]); | ||
700 | av_freep(&sub->rects[i]->pict.data[2]); | ||
701 | av_freep(&sub->rects[i]->pict.data[3]); | ||
702 | av_freep(&sub->rects[i]->text); | ||
703 | av_freep(&sub->rects[i]->ass); | ||
704 | av_freep(&sub->rects[i]); | ||
705 | } | ||
706 | |||
707 | av_freep(&sub->rects); | ||
708 | |||
709 | memset(sub, 0, sizeof(AVSubtitle)); | ||
710 | } | ||
711 | |||
712 | av_cold int avcodec_close(AVCodecContext *avctx) | ||
713 | { | ||
714 | /* If there is a user-supplied mutex locking routine, call it. */ | ||
715 | if (ff_lockmgr_cb) { | ||
716 | if ((*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN)) | ||
717 | return -1; | ||
718 | } | ||
719 | |||
720 | entangled_thread_counter++; | ||
721 | if(entangled_thread_counter != 1){ | ||
722 | av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n"); | ||
723 | entangled_thread_counter--; | ||
724 | return -1; | ||
725 | } | ||
726 | |||
727 | if (HAVE_THREADS && avctx->thread_opaque) | ||
728 | avcodec_thread_free(avctx); | ||
729 | if (avctx->codec && avctx->codec->close) | ||
730 | avctx->codec->close(avctx); | ||
731 | avcodec_default_free_buffers(avctx); | ||
732 | avctx->coded_frame = NULL; | ||
733 | av_freep(&avctx->priv_data); | ||
734 | if(avctx->codec && avctx->codec->encode) | ||
735 | av_freep(&avctx->extradata); | ||
736 | avctx->codec = NULL; | ||
737 | entangled_thread_counter--; | ||
738 | |||
739 | /* Release any user-supplied mutex. */ | ||
740 | if (ff_lockmgr_cb) { | ||
741 | (*ff_lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE); | ||
742 | } | ||
743 | return 0; | ||
744 | } | ||
745 | |||
746 | AVCodec *avcodec_find_encoder(enum CodecID id) | ||
747 | { | ||
748 | AVCodec *p, *experimental=NULL; | ||
749 | p = first_avcodec; | ||
750 | while (p) { | ||
751 | if (p->encode != NULL && p->id == id) { | ||
752 | if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) { | ||
753 | experimental = p; | ||
754 | } else | ||
755 | return p; | ||
756 | } | ||
757 | p = p->next; | ||
758 | } | ||
759 | return experimental; | ||
760 | } | ||
761 | |||
762 | AVCodec *avcodec_find_encoder_by_name(const char *name) | ||
763 | { | ||
764 | AVCodec *p; | ||
765 | if (!name) | ||
766 | return NULL; | ||
767 | p = first_avcodec; | ||
768 | while (p) { | ||
769 | if (p->encode != NULL && strcmp(name,p->name) == 0) | ||
770 | return p; | ||
771 | p = p->next; | ||
772 | } | ||
773 | return NULL; | ||
774 | } | ||
775 | |||
776 | AVCodec *avcodec_find_decoder(enum CodecID id) | ||
777 | { | ||
778 | AVCodec *p; | ||
779 | p = first_avcodec; | ||
780 | while (p) { | ||
781 | if (p->decode != NULL && p->id == id) | ||
782 | return p; | ||
783 | p = p->next; | ||
784 | } | ||
785 | return NULL; | ||
786 | } | ||
787 | |||
788 | AVCodec *avcodec_find_decoder_by_name(const char *name) | ||
789 | { | ||
790 | AVCodec *p; | ||
791 | if (!name) | ||
792 | return NULL; | ||
793 | p = first_avcodec; | ||
794 | while (p) { | ||
795 | if (p->decode != NULL && strcmp(name,p->name) == 0) | ||
796 | return p; | ||
797 | p = p->next; | ||
798 | } | ||
799 | return NULL; | ||
800 | } | ||
801 | |||
802 | static int get_bit_rate(AVCodecContext *ctx) | ||
803 | { | ||
804 | int bit_rate; | ||
805 | int bits_per_sample; | ||
806 | |||
807 | switch(ctx->codec_type) { | ||
808 | case AVMEDIA_TYPE_VIDEO: | ||
809 | case AVMEDIA_TYPE_DATA: | ||
810 | case AVMEDIA_TYPE_SUBTITLE: | ||
811 | case AVMEDIA_TYPE_ATTACHMENT: | ||
812 | bit_rate = ctx->bit_rate; | ||
813 | break; | ||
814 | case AVMEDIA_TYPE_AUDIO: | ||
815 | bits_per_sample = av_get_bits_per_sample(ctx->codec_id); | ||
816 | bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate; | ||
817 | break; | ||
818 | default: | ||
819 | bit_rate = 0; | ||
820 | break; | ||
821 | } | ||
822 | return bit_rate; | ||
823 | } | ||
824 | |||
825 | size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag) | ||
826 | { | ||
827 | int i, len, ret = 0; | ||
828 | |||
829 | for (i = 0; i < 4; i++) { | ||
830 | len = snprintf(buf, buf_size, | ||
831 | isprint(codec_tag&0xFF) ? "%c" : "[%d]", codec_tag&0xFF); | ||
832 | buf += len; | ||
833 | buf_size = buf_size > len ? buf_size - len : 0; | ||
834 | ret += len; | ||
835 | codec_tag>>=8; | ||
836 | } | ||
837 | return ret; | ||
838 | } | ||
839 | |||
840 | void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode) | ||
841 | { | ||
842 | const char *codec_name; | ||
843 | AVCodec *p; | ||
844 | char buf1[32]; | ||
845 | int bitrate; | ||
846 | AVRational display_aspect_ratio; | ||
847 | |||
848 | if (encode) | ||
849 | p = avcodec_find_encoder(enc->codec_id); | ||
850 | else | ||
851 | p = avcodec_find_decoder(enc->codec_id); | ||
852 | |||
853 | if (p) { | ||
854 | codec_name = p->name; | ||
855 | } else if (enc->codec_id == CODEC_ID_MPEG2TS) { | ||
856 | /* fake mpeg2 transport stream codec (currently not | ||
857 | registered) */ | ||
858 | codec_name = "mpeg2ts"; | ||
859 | } else if (enc->codec_name[0] != '\0') { | ||
860 | codec_name = enc->codec_name; | ||
861 | } else { | ||
862 | /* output avi tags */ | ||
863 | char tag_buf[32]; | ||
864 | av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag); | ||
865 | snprintf(buf1, sizeof(buf1), "%s / 0x%04X", tag_buf, enc->codec_tag); | ||
866 | codec_name = buf1; | ||
867 | } | ||
868 | |||
869 | switch(enc->codec_type) { | ||
870 | case AVMEDIA_TYPE_VIDEO: | ||
871 | snprintf(buf, buf_size, | ||
872 | "Video: %s%s", | ||
873 | codec_name, enc->mb_decision ? " (hq)" : ""); | ||
874 | if (enc->pix_fmt != PIX_FMT_NONE) { | ||
875 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
876 | ", %s", | ||
877 | avcodec_get_pix_fmt_name(enc->pix_fmt)); | ||
878 | } | ||
879 | if (enc->width) { | ||
880 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
881 | ", %dx%d", | ||
882 | enc->width, enc->height); | ||
883 | if (enc->sample_aspect_ratio.num) { | ||
884 | av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, | ||
885 | enc->width*enc->sample_aspect_ratio.num, | ||
886 | enc->height*enc->sample_aspect_ratio.den, | ||
887 | 1024*1024); | ||
888 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
889 | " [PAR %d:%d DAR %d:%d]", | ||
890 | enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den, | ||
891 | display_aspect_ratio.num, display_aspect_ratio.den); | ||
892 | } | ||
893 | if(av_log_get_level() >= AV_LOG_DEBUG){ | ||
894 | int g= av_gcd(enc->time_base.num, enc->time_base.den); | ||
895 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
896 | ", %d/%d", | ||
897 | enc->time_base.num/g, enc->time_base.den/g); | ||
898 | } | ||
899 | } | ||
900 | if (encode) { | ||
901 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
902 | ", q=%d-%d", enc->qmin, enc->qmax); | ||
903 | } | ||
904 | break; | ||
905 | case AVMEDIA_TYPE_AUDIO: | ||
906 | snprintf(buf, buf_size, | ||
907 | "Audio: %s", | ||
908 | codec_name); | ||
909 | if (enc->sample_rate) { | ||
910 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
911 | ", %d Hz", enc->sample_rate); | ||
912 | } | ||
913 | av_strlcat(buf, ", ", buf_size); | ||
914 | avcodec_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout); | ||
915 | if (enc->sample_fmt != SAMPLE_FMT_NONE) { | ||
916 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
917 | ", %s", avcodec_get_sample_fmt_name(enc->sample_fmt)); | ||
918 | } | ||
919 | break; | ||
920 | case AVMEDIA_TYPE_DATA: | ||
921 | snprintf(buf, buf_size, "Data: %s", codec_name); | ||
922 | break; | ||
923 | case AVMEDIA_TYPE_SUBTITLE: | ||
924 | snprintf(buf, buf_size, "Subtitle: %s", codec_name); | ||
925 | break; | ||
926 | case AVMEDIA_TYPE_ATTACHMENT: | ||
927 | snprintf(buf, buf_size, "Attachment: %s", codec_name); | ||
928 | break; | ||
929 | default: | ||
930 | snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type); | ||
931 | return; | ||
932 | } | ||
933 | if (encode) { | ||
934 | if (enc->flags & CODEC_FLAG_PASS1) | ||
935 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
936 | ", pass 1"); | ||
937 | if (enc->flags & CODEC_FLAG_PASS2) | ||
938 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
939 | ", pass 2"); | ||
940 | } | ||
941 | bitrate = get_bit_rate(enc); | ||
942 | if (bitrate != 0) { | ||
943 | snprintf(buf + strlen(buf), buf_size - strlen(buf), | ||
944 | ", %d kb/s", bitrate / 1000); | ||
945 | } | ||
946 | } | ||
947 | |||
948 | unsigned avcodec_version( void ) | ||
949 | { | ||
950 | return LIBAVCODEC_VERSION_INT; | ||
951 | } | ||
952 | |||
953 | const char *avcodec_configuration(void) | ||
954 | { | ||
955 | return FFMPEG_CONFIGURATION; | ||
956 | } | ||
957 | |||
958 | const char *avcodec_license(void) | ||
959 | { | ||
960 | #define LICENSE_PREFIX "libavcodec license: " | ||
961 | return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1; | ||
962 | } | ||
963 | |||
964 | void avcodec_init(void) | ||
965 | { | ||
966 | static int initialized = 0; | ||
967 | |||
968 | if (initialized != 0) | ||
969 | return; | ||
970 | initialized = 1; | ||
971 | |||
972 | dsputil_static_init(); | ||
973 | } | ||
974 | |||
975 | void avcodec_flush_buffers(AVCodecContext *avctx) | ||
976 | { | ||
977 | if(avctx->codec->flush) | ||
978 | avctx->codec->flush(avctx); | ||
979 | } | ||
980 | |||
981 | void avcodec_default_free_buffers(AVCodecContext *s){ | ||
982 | int i, j; | ||
983 | |||
984 | if(s->internal_buffer==NULL) return; | ||
985 | |||
986 | if (s->internal_buffer_count) | ||
987 | av_log(s, AV_LOG_WARNING, "Found %i unreleased buffers!\n", s->internal_buffer_count); | ||
988 | for(i=0; i<INTERNAL_BUFFER_SIZE; i++){ | ||
989 | InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i]; | ||
990 | for(j=0; j<4; j++){ | ||
991 | av_freep(&buf->base[j]); | ||
992 | buf->data[j]= NULL; | ||
993 | } | ||
994 | } | ||
995 | av_freep(&s->internal_buffer); | ||
996 | |||
997 | s->internal_buffer_count=0; | ||
998 | } | ||
999 | |||
1000 | char av_get_pict_type_char(int pict_type){ | ||
1001 | switch(pict_type){ | ||
1002 | case FF_I_TYPE: return 'I'; | ||
1003 | case FF_P_TYPE: return 'P'; | ||
1004 | case FF_B_TYPE: return 'B'; | ||
1005 | case FF_S_TYPE: return 'S'; | ||
1006 | case FF_SI_TYPE:return 'i'; | ||
1007 | case FF_SP_TYPE:return 'p'; | ||
1008 | case FF_BI_TYPE:return 'b'; | ||
1009 | default: return '?'; | ||
1010 | } | ||
1011 | } | ||
1012 | |||
1013 | int av_get_bits_per_sample(enum CodecID codec_id){ | ||
1014 | switch(codec_id){ | ||
1015 | case CODEC_ID_ADPCM_SBPRO_2: | ||
1016 | return 2; | ||
1017 | case CODEC_ID_ADPCM_SBPRO_3: | ||
1018 | return 3; | ||
1019 | case CODEC_ID_ADPCM_SBPRO_4: | ||
1020 | case CODEC_ID_ADPCM_CT: | ||
1021 | case CODEC_ID_ADPCM_IMA_WAV: | ||
1022 | case CODEC_ID_ADPCM_MS: | ||
1023 | case CODEC_ID_ADPCM_YAMAHA: | ||
1024 | return 4; | ||
1025 | case CODEC_ID_PCM_ALAW: | ||
1026 | case CODEC_ID_PCM_MULAW: | ||
1027 | case CODEC_ID_PCM_S8: | ||
1028 | case CODEC_ID_PCM_U8: | ||
1029 | case CODEC_ID_PCM_ZORK: | ||
1030 | return 8; | ||
1031 | case CODEC_ID_PCM_S16BE: | ||
1032 | case CODEC_ID_PCM_S16LE: | ||
1033 | case CODEC_ID_PCM_S16LE_PLANAR: | ||
1034 | case CODEC_ID_PCM_U16BE: | ||
1035 | case CODEC_ID_PCM_U16LE: | ||
1036 | return 16; | ||
1037 | case CODEC_ID_PCM_S24DAUD: | ||
1038 | case CODEC_ID_PCM_S24BE: | ||
1039 | case CODEC_ID_PCM_S24LE: | ||
1040 | case CODEC_ID_PCM_U24BE: | ||
1041 | case CODEC_ID_PCM_U24LE: | ||
1042 | return 24; | ||
1043 | case CODEC_ID_PCM_S32BE: | ||
1044 | case CODEC_ID_PCM_S32LE: | ||
1045 | case CODEC_ID_PCM_U32BE: | ||
1046 | case CODEC_ID_PCM_U32LE: | ||
1047 | case CODEC_ID_PCM_F32BE: | ||
1048 | case CODEC_ID_PCM_F32LE: | ||
1049 | return 32; | ||
1050 | case CODEC_ID_PCM_F64BE: | ||
1051 | case CODEC_ID_PCM_F64LE: | ||
1052 | return 64; | ||
1053 | default: | ||
1054 | return 0; | ||
1055 | } | ||
1056 | } | ||
1057 | |||
1058 | int av_get_bits_per_sample_format(enum SampleFormat sample_fmt) { | ||
1059 | switch (sample_fmt) { | ||
1060 | case SAMPLE_FMT_U8: | ||
1061 | return 8; | ||
1062 | case SAMPLE_FMT_S16: | ||
1063 | return 16; | ||
1064 | case SAMPLE_FMT_S32: | ||
1065 | case SAMPLE_FMT_FLT: | ||
1066 | return 32; | ||
1067 | case SAMPLE_FMT_DBL: | ||
1068 | return 64; | ||
1069 | default: | ||
1070 | return 0; | ||
1071 | } | ||
1072 | } | ||
1073 | |||
1074 | #if !HAVE_THREADS | ||
1075 | int avcodec_thread_init(AVCodecContext *s, int thread_count){ | ||
1076 | s->thread_count = thread_count; | ||
1077 | return -1; | ||
1078 | } | ||
1079 | #endif | ||
1080 | |||
1081 | unsigned int av_xiphlacing(unsigned char *s, unsigned int v) | ||
1082 | { | ||
1083 | unsigned int n = 0; | ||
1084 | |||
1085 | while(v >= 0xff) { | ||
1086 | *s++ = 0xff; | ||
1087 | v -= 0xff; | ||
1088 | n++; | ||
1089 | } | ||
1090 | *s = v; | ||
1091 | n++; | ||
1092 | return n; | ||
1093 | } | ||
1094 | |||
1095 | #if LIBAVCODEC_VERSION_MAJOR < 53 | ||
1096 | #include "libavcore/parseutils.h" | ||
1097 | |||
1098 | int av_parse_video_frame_size(int *width_ptr, int *height_ptr, const char *str) | ||
1099 | { | ||
1100 | return av_parse_video_size(width_ptr, height_ptr, str); | ||
1101 | } | ||
1102 | |||
1103 | int av_parse_video_frame_rate(AVRational *frame_rate, const char *arg) | ||
1104 | { | ||
1105 | return av_parse_video_rate(frame_rate, arg); | ||
1106 | } | ||
1107 | #endif | ||
1108 | |||
1109 | int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b){ | ||
1110 | int i; | ||
1111 | for(i=0; i<size && !(tab[i][0]==a && tab[i][1]==b); i++); | ||
1112 | return i; | ||
1113 | } | ||
1114 | #endif | ||
1115 | |||
1116 | void av_log_missing_feature(void *avc, const char *feature, int want_sample) | ||
1117 | { | ||
1118 | av_log(avc, AV_LOG_WARNING, "%s not implemented. Update your FFmpeg " | ||
1119 | "version to the newest one from SVN. If the problem still " | ||
1120 | "occurs, it means that your file has a feature which has not " | ||
1121 | "been implemented.", feature); | ||
1122 | if(want_sample) | ||
1123 | av_log_ask_for_sample(avc, NULL); | ||
1124 | else | ||
1125 | av_log(avc, AV_LOG_WARNING, "\n"); | ||
1126 | } | ||
1127 | |||
1128 | void av_log_ask_for_sample(void *avc, const char *msg) | ||
1129 | { | ||
1130 | if (msg) | ||
1131 | av_log(avc, AV_LOG_WARNING, "%s ", msg); | ||
1132 | av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample " | ||
1133 | "of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ " | ||
1134 | "and contact the ffmpeg-devel mailing list.\n"); | ||
1135 | } | ||
1136 | #if 0 | ||
1137 | static AVHWAccel *first_hwaccel = NULL; | ||
1138 | |||
1139 | void av_register_hwaccel(AVHWAccel *hwaccel) | ||
1140 | { | ||
1141 | AVHWAccel **p = &first_hwaccel; | ||
1142 | while (*p) | ||
1143 | p = &(*p)->next; | ||
1144 | *p = hwaccel; | ||
1145 | hwaccel->next = NULL; | ||
1146 | } | ||
1147 | |||
1148 | AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel) | ||
1149 | { | ||
1150 | return hwaccel ? hwaccel->next : first_hwaccel; | ||
1151 | } | ||
1152 | |||
1153 | AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt) | ||
1154 | { | ||
1155 | AVHWAccel *hwaccel=NULL; | ||
1156 | |||
1157 | while((hwaccel= av_hwaccel_next(hwaccel))){ | ||
1158 | if ( hwaccel->id == codec_id | ||
1159 | && hwaccel->pix_fmt == pix_fmt) | ||
1160 | return hwaccel; | ||
1161 | } | ||
1162 | return NULL; | ||
1163 | } | ||
1164 | |||
1165 | int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op)) | ||
1166 | { | ||
1167 | if (ff_lockmgr_cb) { | ||
1168 | if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY)) | ||
1169 | return -1; | ||
1170 | } | ||
1171 | |||
1172 | ff_lockmgr_cb = cb; | ||
1173 | |||
1174 | if (ff_lockmgr_cb) { | ||
1175 | if (ff_lockmgr_cb(&codec_mutex, AV_LOCK_CREATE)) | ||
1176 | return -1; | ||
1177 | } | ||
1178 | return 0; | ||
1179 | } | ||
1180 | |||
1181 | unsigned int ff_toupper4(unsigned int x) | ||
1182 | { | ||
1183 | return toupper( x &0xFF) | ||
1184 | + (toupper((x>>8 )&0xFF)<<8 ) | ||
1185 | + (toupper((x>>16)&0xFF)<<16) | ||
1186 | + (toupper((x>>24)&0xFF)<<24); | ||
1187 | } | ||
1188 | #endif | ||