1 /*
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11
12 /* This is a simple program that encodes YV12 files and generates ivf
13 * files using the new interface.
14 */
15 #if defined(_WIN32) || !CONFIG_OS_SUPPORT
16 #define USE_POSIX_MMAP 0
17 #else
18 #define USE_POSIX_MMAP 1
19 #endif
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <stdarg.h>
24 #include <string.h>
25 #include <limits.h>
26 #include "vpx/vpx_encoder.h"
27 #if USE_POSIX_MMAP
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #include <sys/mman.h>
31 #include <fcntl.h>
32 #include <unistd.h>
33 #endif
34 #include "vpx_version.h"
35 #include "vpx/vp8cx.h"
36 #include "vpx_ports/mem_ops.h"
37 #include "vpx_ports/vpx_timer.h"
38 #include "tools_common.h"
39 #include "y4minput.h"
40 #include "libmkv/EbmlWriter.h"
41 #include "libmkv/EbmlIDs.h"
42
43 /* Need special handling of these functions on Windows */
44 #if defined(_MSC_VER)
45 /* MSVS doesn't define off_t, and uses _f{seek,tell}i64 */
46 typedef __int64 off_t;
47 #define fseeko _fseeki64
48 #define ftello _ftelli64
49 #elif defined(_WIN32)
50 /* MinGW defines off_t, and uses f{seek,tell}o64 */
51 #define fseeko fseeko64
52 #define ftello ftello64
53 #endif
54
55 #if defined(_MSC_VER)
56 #define LITERALU64(n) n
57 #else
58 #define LITERALU64(n) n##LLU
59 #endif
60
61 /* We should use 32-bit file operations in WebM file format
62 * when building ARM executable file (.axf) with RVCT */
63 #if !CONFIG_OS_SUPPORT
64 typedef long off_t;
65 #define fseeko fseek
66 #define ftello ftell
67 #endif
68
69 static const char *exec_name;
70
71 static const struct codec_item
72 {
73 char const *name;
74 const vpx_codec_iface_t *iface;
75 unsigned int fourcc;
76 } codecs[] =
77 {
78 #if CONFIG_VP8_ENCODER
79 {"vp8", &vpx_codec_vp8_cx_algo, 0x30385056},
80 #endif
81 };
82
83 static void usage_exit();
84
die(const char * fmt,...)85 void die(const char *fmt, ...)
86 {
87 va_list ap;
88 va_start(ap, fmt);
89 vfprintf(stderr, fmt, ap);
90 fprintf(stderr, "\n");
91 usage_exit();
92 }
93
ctx_exit_on_error(vpx_codec_ctx_t * ctx,const char * s)94 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s)
95 {
96 if (ctx->err)
97 {
98 const char *detail = vpx_codec_error_detail(ctx);
99
100 fprintf(stderr, "%s: %s\n", s, vpx_codec_error(ctx));
101
102 if (detail)
103 fprintf(stderr, " %s\n", detail);
104
105 exit(EXIT_FAILURE);
106 }
107 }
108
109 /* This structure is used to abstract the different ways of handling
110 * first pass statistics.
111 */
112 typedef struct
113 {
114 vpx_fixed_buf_t buf;
115 int pass;
116 FILE *file;
117 char *buf_ptr;
118 size_t buf_alloc_sz;
119 } stats_io_t;
120
stats_open_file(stats_io_t * stats,const char * fpf,int pass)121 int stats_open_file(stats_io_t *stats, const char *fpf, int pass)
122 {
123 int res;
124
125 stats->pass = pass;
126
127 if (pass == 0)
128 {
129 stats->file = fopen(fpf, "wb");
130 stats->buf.sz = 0;
131 stats->buf.buf = NULL,
132 res = (stats->file != NULL);
133 }
134 else
135 {
136 #if 0
137 #elif USE_POSIX_MMAP
138 struct stat stat_buf;
139 int fd;
140
141 fd = open(fpf, O_RDONLY);
142 stats->file = fdopen(fd, "rb");
143 fstat(fd, &stat_buf);
144 stats->buf.sz = stat_buf.st_size;
145 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
146 fd, 0);
147 res = (stats->buf.buf != NULL);
148 #else
149 size_t nbytes;
150
151 stats->file = fopen(fpf, "rb");
152
153 if (fseek(stats->file, 0, SEEK_END))
154 {
155 fprintf(stderr, "First-pass stats file must be seekable!\n");
156 exit(EXIT_FAILURE);
157 }
158
159 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
160 rewind(stats->file);
161
162 stats->buf.buf = malloc(stats->buf_alloc_sz);
163
164 if (!stats->buf.buf)
165 {
166 fprintf(stderr, "Failed to allocate first-pass stats buffer (%lu bytes)\n",
167 (unsigned long)stats->buf_alloc_sz);
168 exit(EXIT_FAILURE);
169 }
170
171 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
172 res = (nbytes == stats->buf.sz);
173 #endif
174 }
175
176 return res;
177 }
178
stats_open_mem(stats_io_t * stats,int pass)179 int stats_open_mem(stats_io_t *stats, int pass)
180 {
181 int res;
182 stats->pass = pass;
183
184 if (!pass)
185 {
186 stats->buf.sz = 0;
187 stats->buf_alloc_sz = 64 * 1024;
188 stats->buf.buf = malloc(stats->buf_alloc_sz);
189 }
190
191 stats->buf_ptr = stats->buf.buf;
192 res = (stats->buf.buf != NULL);
193 return res;
194 }
195
196
stats_close(stats_io_t * stats,int last_pass)197 void stats_close(stats_io_t *stats, int last_pass)
198 {
199 if (stats->file)
200 {
201 if (stats->pass == last_pass)
202 {
203 #if 0
204 #elif USE_POSIX_MMAP
205 munmap(stats->buf.buf, stats->buf.sz);
206 #else
207 free(stats->buf.buf);
208 #endif
209 }
210
211 fclose(stats->file);
212 stats->file = NULL;
213 }
214 else
215 {
216 if (stats->pass == last_pass)
217 free(stats->buf.buf);
218 }
219 }
220
stats_write(stats_io_t * stats,const void * pkt,size_t len)221 void stats_write(stats_io_t *stats, const void *pkt, size_t len)
222 {
223 if (stats->file)
224 {
225 if(fwrite(pkt, 1, len, stats->file));
226 }
227 else
228 {
229 if (stats->buf.sz + len > stats->buf_alloc_sz)
230 {
231 size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
232 char *new_ptr = realloc(stats->buf.buf, new_sz);
233
234 if (new_ptr)
235 {
236 stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
237 stats->buf.buf = new_ptr;
238 stats->buf_alloc_sz = new_sz;
239 }
240 else
241 {
242 fprintf(stderr,
243 "\nFailed to realloc firstpass stats buffer.\n");
244 exit(EXIT_FAILURE);
245 }
246 }
247
248 memcpy(stats->buf_ptr, pkt, len);
249 stats->buf.sz += len;
250 stats->buf_ptr += len;
251 }
252 }
253
stats_get(stats_io_t * stats)254 vpx_fixed_buf_t stats_get(stats_io_t *stats)
255 {
256 return stats->buf;
257 }
258
259 enum video_file_type
260 {
261 FILE_TYPE_RAW,
262 FILE_TYPE_IVF,
263 FILE_TYPE_Y4M
264 };
265
266 struct detect_buffer {
267 char buf[4];
268 size_t buf_read;
269 size_t position;
270 };
271
272
273 #define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */
read_frame(FILE * f,vpx_image_t * img,unsigned int file_type,y4m_input * y4m,struct detect_buffer * detect)274 static int read_frame(FILE *f, vpx_image_t *img, unsigned int file_type,
275 y4m_input *y4m, struct detect_buffer *detect)
276 {
277 int plane = 0;
278 int shortread = 0;
279
280 if (file_type == FILE_TYPE_Y4M)
281 {
282 if (y4m_input_fetch_frame(y4m, f, img) < 1)
283 return 0;
284 }
285 else
286 {
287 if (file_type == FILE_TYPE_IVF)
288 {
289 char junk[IVF_FRAME_HDR_SZ];
290
291 /* Skip the frame header. We know how big the frame should be. See
292 * write_ivf_frame_header() for documentation on the frame header
293 * layout.
294 */
295 if(fread(junk, 1, IVF_FRAME_HDR_SZ, f));
296 }
297
298 for (plane = 0; plane < 3; plane++)
299 {
300 unsigned char *ptr;
301 int w = (plane ? (1 + img->d_w) / 2 : img->d_w);
302 int h = (plane ? (1 + img->d_h) / 2 : img->d_h);
303 int r;
304
305 /* Determine the correct plane based on the image format. The for-loop
306 * always counts in Y,U,V order, but this may not match the order of
307 * the data on disk.
308 */
309 switch (plane)
310 {
311 case 1:
312 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
313 break;
314 case 2:
315 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
316 break;
317 default:
318 ptr = img->planes[plane];
319 }
320
321 for (r = 0; r < h; r++)
322 {
323 size_t needed = w;
324 size_t buf_position = 0;
325 const size_t left = detect->buf_read - detect->position;
326 if (left > 0)
327 {
328 const size_t more = (left < needed) ? left : needed;
329 memcpy(ptr, detect->buf + detect->position, more);
330 buf_position = more;
331 needed -= more;
332 detect->position += more;
333 }
334 if (needed > 0)
335 {
336 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
337 }
338
339 ptr += img->stride[plane];
340 }
341 }
342 }
343
344 return !shortread;
345 }
346
347
file_is_y4m(FILE * infile,y4m_input * y4m,char detect[4])348 unsigned int file_is_y4m(FILE *infile,
349 y4m_input *y4m,
350 char detect[4])
351 {
352 if(memcmp(detect, "YUV4", 4) == 0)
353 {
354 return 1;
355 }
356 return 0;
357 }
358
359 #define IVF_FILE_HDR_SZ (32)
file_is_ivf(FILE * infile,unsigned int * fourcc,unsigned int * width,unsigned int * height,struct detect_buffer * detect)360 unsigned int file_is_ivf(FILE *infile,
361 unsigned int *fourcc,
362 unsigned int *width,
363 unsigned int *height,
364 struct detect_buffer *detect)
365 {
366 char raw_hdr[IVF_FILE_HDR_SZ];
367 int is_ivf = 0;
368
369 if(memcmp(detect->buf, "DKIF", 4) != 0)
370 return 0;
371
372 /* See write_ivf_file_header() for more documentation on the file header
373 * layout.
374 */
375 if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
376 == IVF_FILE_HDR_SZ - 4)
377 {
378 {
379 is_ivf = 1;
380
381 if (mem_get_le16(raw_hdr + 4) != 0)
382 fprintf(stderr, "Error: Unrecognized IVF version! This file may not"
383 " decode properly.");
384
385 *fourcc = mem_get_le32(raw_hdr + 8);
386 }
387 }
388
389 if (is_ivf)
390 {
391 *width = mem_get_le16(raw_hdr + 12);
392 *height = mem_get_le16(raw_hdr + 14);
393 detect->position = 4;
394 }
395
396 return is_ivf;
397 }
398
399
write_ivf_file_header(FILE * outfile,const vpx_codec_enc_cfg_t * cfg,unsigned int fourcc,int frame_cnt)400 static void write_ivf_file_header(FILE *outfile,
401 const vpx_codec_enc_cfg_t *cfg,
402 unsigned int fourcc,
403 int frame_cnt)
404 {
405 char header[32];
406
407 if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
408 return;
409
410 header[0] = 'D';
411 header[1] = 'K';
412 header[2] = 'I';
413 header[3] = 'F';
414 mem_put_le16(header + 4, 0); /* version */
415 mem_put_le16(header + 6, 32); /* headersize */
416 mem_put_le32(header + 8, fourcc); /* headersize */
417 mem_put_le16(header + 12, cfg->g_w); /* width */
418 mem_put_le16(header + 14, cfg->g_h); /* height */
419 mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
420 mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
421 mem_put_le32(header + 24, frame_cnt); /* length */
422 mem_put_le32(header + 28, 0); /* unused */
423
424 if(fwrite(header, 1, 32, outfile));
425 }
426
427
write_ivf_frame_header(FILE * outfile,const vpx_codec_cx_pkt_t * pkt)428 static void write_ivf_frame_header(FILE *outfile,
429 const vpx_codec_cx_pkt_t *pkt)
430 {
431 char header[12];
432 vpx_codec_pts_t pts;
433
434 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
435 return;
436
437 pts = pkt->data.frame.pts;
438 mem_put_le32(header, pkt->data.frame.sz);
439 mem_put_le32(header + 4, pts & 0xFFFFFFFF);
440 mem_put_le32(header + 8, pts >> 32);
441
442 if(fwrite(header, 1, 12, outfile));
443 }
444
445
446 typedef off_t EbmlLoc;
447
448
449 struct cue_entry
450 {
451 unsigned int time;
452 uint64_t loc;
453 };
454
455
456 struct EbmlGlobal
457 {
458 int debug;
459
460 FILE *stream;
461 int64_t last_pts_ms;
462 vpx_rational_t framerate;
463
464 /* These pointers are to the start of an element */
465 off_t position_reference;
466 off_t seek_info_pos;
467 off_t segment_info_pos;
468 off_t track_pos;
469 off_t cue_pos;
470 off_t cluster_pos;
471
472 /* This pointer is to a specific element to be serialized */
473 off_t track_id_pos;
474
475 /* These pointers are to the size field of the element */
476 EbmlLoc startSegment;
477 EbmlLoc startCluster;
478
479 uint32_t cluster_timecode;
480 int cluster_open;
481
482 struct cue_entry *cue_list;
483 unsigned int cues;
484
485 };
486
487
Ebml_Write(EbmlGlobal * glob,const void * buffer_in,unsigned long len)488 void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
489 {
490 if(fwrite(buffer_in, 1, len, glob->stream));
491 }
492
493
Ebml_Serialize(EbmlGlobal * glob,const void * buffer_in,unsigned long len)494 void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
495 {
496 const unsigned char *q = (const unsigned char *)buffer_in + len - 1;
497
498 for(; len; len--)
499 Ebml_Write(glob, q--, 1);
500 }
501
502
503 /* Need a fixed size serializer for the track ID. libmkv provdes a 64 bit
504 * one, but not a 32 bit one.
505 */
Ebml_SerializeUnsigned32(EbmlGlobal * glob,unsigned long class_id,uint64_t ui)506 static void Ebml_SerializeUnsigned32(EbmlGlobal *glob, unsigned long class_id, uint64_t ui)
507 {
508 unsigned char sizeSerialized = 4 | 0x80;
509 Ebml_WriteID(glob, class_id);
510 Ebml_Serialize(glob, &sizeSerialized, 1);
511 Ebml_Serialize(glob, &ui, 4);
512 }
513
514
515 static void
Ebml_StartSubElement(EbmlGlobal * glob,EbmlLoc * ebmlLoc,unsigned long class_id)516 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
517 unsigned long class_id)
518 {
519 //todo this is always taking 8 bytes, this may need later optimization
520 //this is a key that says lenght unknown
521 unsigned long long unknownLen = LITERALU64(0x01FFFFFFFFFFFFFF);
522
523 Ebml_WriteID(glob, class_id);
524 *ebmlLoc = ftello(glob->stream);
525 Ebml_Serialize(glob, &unknownLen, 8);
526 }
527
528 static void
Ebml_EndSubElement(EbmlGlobal * glob,EbmlLoc * ebmlLoc)529 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
530 {
531 off_t pos;
532 uint64_t size;
533
534 /* Save the current stream pointer */
535 pos = ftello(glob->stream);
536
537 /* Calculate the size of this element */
538 size = pos - *ebmlLoc - 8;
539 size |= LITERALU64(0x0100000000000000);
540
541 /* Seek back to the beginning of the element and write the new size */
542 fseeko(glob->stream, *ebmlLoc, SEEK_SET);
543 Ebml_Serialize(glob, &size, 8);
544
545 /* Reset the stream pointer */
546 fseeko(glob->stream, pos, SEEK_SET);
547 }
548
549
550 static void
write_webm_seek_element(EbmlGlobal * ebml,unsigned long id,off_t pos)551 write_webm_seek_element(EbmlGlobal *ebml, unsigned long id, off_t pos)
552 {
553 uint64_t offset = pos - ebml->position_reference;
554 EbmlLoc start;
555 Ebml_StartSubElement(ebml, &start, Seek);
556 Ebml_SerializeBinary(ebml, SeekID, id);
557 Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
558 Ebml_EndSubElement(ebml, &start);
559 }
560
561
562 static void
write_webm_seek_info(EbmlGlobal * ebml)563 write_webm_seek_info(EbmlGlobal *ebml)
564 {
565
566 off_t pos;
567
568 /* Save the current stream pointer */
569 pos = ftello(ebml->stream);
570
571 if(ebml->seek_info_pos)
572 fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET);
573 else
574 ebml->seek_info_pos = pos;
575
576 {
577 EbmlLoc start;
578
579 Ebml_StartSubElement(ebml, &start, SeekHead);
580 write_webm_seek_element(ebml, Tracks, ebml->track_pos);
581 write_webm_seek_element(ebml, Cues, ebml->cue_pos);
582 write_webm_seek_element(ebml, Info, ebml->segment_info_pos);
583 Ebml_EndSubElement(ebml, &start);
584 }
585 {
586 //segment info
587 EbmlLoc startInfo;
588 uint64_t frame_time;
589
590 frame_time = (uint64_t)1000 * ebml->framerate.den
591 / ebml->framerate.num;
592 ebml->segment_info_pos = ftello(ebml->stream);
593 Ebml_StartSubElement(ebml, &startInfo, Info);
594 Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
595 Ebml_SerializeFloat(ebml, Segment_Duration,
596 ebml->last_pts_ms + frame_time);
597 Ebml_SerializeString(ebml, 0x4D80,
598 ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING);
599 Ebml_SerializeString(ebml, 0x5741,
600 ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING);
601 Ebml_EndSubElement(ebml, &startInfo);
602 }
603 }
604
605
606 static void
write_webm_file_header(EbmlGlobal * glob,const vpx_codec_enc_cfg_t * cfg,const struct vpx_rational * fps)607 write_webm_file_header(EbmlGlobal *glob,
608 const vpx_codec_enc_cfg_t *cfg,
609 const struct vpx_rational *fps)
610 {
611 {
612 EbmlLoc start;
613 Ebml_StartSubElement(glob, &start, EBML);
614 Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
615 Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); //EBML Read Version
616 Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); //EBML Max ID Length
617 Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); //EBML Max Size Length
618 Ebml_SerializeString(glob, DocType, "webm"); //Doc Type
619 Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); //Doc Type Version
620 Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); //Doc Type Read Version
621 Ebml_EndSubElement(glob, &start);
622 }
623 {
624 Ebml_StartSubElement(glob, &glob->startSegment, Segment); //segment
625 glob->position_reference = ftello(glob->stream);
626 glob->framerate = *fps;
627 write_webm_seek_info(glob);
628
629 {
630 EbmlLoc trackStart;
631 glob->track_pos = ftello(glob->stream);
632 Ebml_StartSubElement(glob, &trackStart, Tracks);
633 {
634 unsigned int trackNumber = 1;
635 uint64_t trackID = 0;
636
637 EbmlLoc start;
638 Ebml_StartSubElement(glob, &start, TrackEntry);
639 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
640 glob->track_id_pos = ftello(glob->stream);
641 Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
642 Ebml_SerializeUnsigned(glob, TrackType, 1); //video is always 1
643 Ebml_SerializeString(glob, CodecID, "V_VP8");
644 {
645 unsigned int pixelWidth = cfg->g_w;
646 unsigned int pixelHeight = cfg->g_h;
647 float frameRate = (float)fps->num/(float)fps->den;
648
649 EbmlLoc videoStart;
650 Ebml_StartSubElement(glob, &videoStart, Video);
651 Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
652 Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
653 Ebml_SerializeFloat(glob, FrameRate, frameRate);
654 Ebml_EndSubElement(glob, &videoStart); //Video
655 }
656 Ebml_EndSubElement(glob, &start); //Track Entry
657 }
658 Ebml_EndSubElement(glob, &trackStart);
659 }
660 // segment element is open
661 }
662 }
663
664
665 static void
write_webm_block(EbmlGlobal * glob,const vpx_codec_enc_cfg_t * cfg,const vpx_codec_cx_pkt_t * pkt)666 write_webm_block(EbmlGlobal *glob,
667 const vpx_codec_enc_cfg_t *cfg,
668 const vpx_codec_cx_pkt_t *pkt)
669 {
670 unsigned long block_length;
671 unsigned char track_number;
672 unsigned short block_timecode = 0;
673 unsigned char flags;
674 int64_t pts_ms;
675 int start_cluster = 0, is_keyframe;
676
677 /* Calculate the PTS of this frame in milliseconds */
678 pts_ms = pkt->data.frame.pts * 1000
679 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
680 if(pts_ms <= glob->last_pts_ms)
681 pts_ms = glob->last_pts_ms + 1;
682 glob->last_pts_ms = pts_ms;
683
684 /* Calculate the relative time of this block */
685 if(pts_ms - glob->cluster_timecode > SHRT_MAX)
686 start_cluster = 1;
687 else
688 block_timecode = pts_ms - glob->cluster_timecode;
689
690 is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY);
691 if(start_cluster || is_keyframe)
692 {
693 if(glob->cluster_open)
694 Ebml_EndSubElement(glob, &glob->startCluster);
695
696 /* Open the new cluster */
697 block_timecode = 0;
698 glob->cluster_open = 1;
699 glob->cluster_timecode = pts_ms;
700 glob->cluster_pos = ftello(glob->stream);
701 Ebml_StartSubElement(glob, &glob->startCluster, Cluster); //cluster
702 Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode);
703
704 /* Save a cue point if this is a keyframe. */
705 if(is_keyframe)
706 {
707 struct cue_entry *cue, *new_cue_list;
708
709 new_cue_list = realloc(glob->cue_list,
710 (glob->cues+1) * sizeof(struct cue_entry));
711 if(new_cue_list)
712 glob->cue_list = new_cue_list;
713 else
714 {
715 fprintf(stderr, "\nFailed to realloc cue list.\n");
716 exit(EXIT_FAILURE);
717 }
718
719 cue = &glob->cue_list[glob->cues];
720 cue->time = glob->cluster_timecode;
721 cue->loc = glob->cluster_pos;
722 glob->cues++;
723 }
724 }
725
726 /* Write the Simple Block */
727 Ebml_WriteID(glob, SimpleBlock);
728
729 block_length = pkt->data.frame.sz + 4;
730 block_length |= 0x10000000;
731 Ebml_Serialize(glob, &block_length, 4);
732
733 track_number = 1;
734 track_number |= 0x80;
735 Ebml_Write(glob, &track_number, 1);
736
737 Ebml_Serialize(glob, &block_timecode, 2);
738
739 flags = 0;
740 if(is_keyframe)
741 flags |= 0x80;
742 if(pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE)
743 flags |= 0x08;
744 Ebml_Write(glob, &flags, 1);
745
746 Ebml_Write(glob, pkt->data.frame.buf, pkt->data.frame.sz);
747 }
748
749
750 static void
write_webm_file_footer(EbmlGlobal * glob,long hash)751 write_webm_file_footer(EbmlGlobal *glob, long hash)
752 {
753
754 if(glob->cluster_open)
755 Ebml_EndSubElement(glob, &glob->startCluster);
756
757 {
758 EbmlLoc start;
759 int i;
760
761 glob->cue_pos = ftello(glob->stream);
762 Ebml_StartSubElement(glob, &start, Cues);
763 for(i=0; i<glob->cues; i++)
764 {
765 struct cue_entry *cue = &glob->cue_list[i];
766 EbmlLoc start;
767
768 Ebml_StartSubElement(glob, &start, CuePoint);
769 {
770 EbmlLoc start;
771
772 Ebml_SerializeUnsigned(glob, CueTime, cue->time);
773
774 Ebml_StartSubElement(glob, &start, CueTrackPositions);
775 Ebml_SerializeUnsigned(glob, CueTrack, 1);
776 Ebml_SerializeUnsigned64(glob, CueClusterPosition,
777 cue->loc - glob->position_reference);
778 //Ebml_SerializeUnsigned(glob, CueBlockNumber, cue->blockNumber);
779 Ebml_EndSubElement(glob, &start);
780 }
781 Ebml_EndSubElement(glob, &start);
782 }
783 Ebml_EndSubElement(glob, &start);
784 }
785
786 Ebml_EndSubElement(glob, &glob->startSegment);
787
788 /* Patch up the seek info block */
789 write_webm_seek_info(glob);
790
791 /* Patch up the track id */
792 fseeko(glob->stream, glob->track_id_pos, SEEK_SET);
793 Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash);
794
795 fseeko(glob->stream, 0, SEEK_END);
796 }
797
798
799 /* Murmur hash derived from public domain reference implementation at
800 * http://sites.google.com/site/murmurhash/
801 */
murmur(const void * key,int len,unsigned int seed)802 static unsigned int murmur ( const void * key, int len, unsigned int seed )
803 {
804 const unsigned int m = 0x5bd1e995;
805 const int r = 24;
806
807 unsigned int h = seed ^ len;
808
809 const unsigned char * data = (const unsigned char *)key;
810
811 while(len >= 4)
812 {
813 unsigned int k;
814
815 k = data[0];
816 k |= data[1] << 8;
817 k |= data[2] << 16;
818 k |= data[3] << 24;
819
820 k *= m;
821 k ^= k >> r;
822 k *= m;
823
824 h *= m;
825 h ^= k;
826
827 data += 4;
828 len -= 4;
829 }
830
831 switch(len)
832 {
833 case 3: h ^= data[2] << 16;
834 case 2: h ^= data[1] << 8;
835 case 1: h ^= data[0];
836 h *= m;
837 };
838
839 h ^= h >> 13;
840 h *= m;
841 h ^= h >> 15;
842
843 return h;
844 }
845
846 #include "math.h"
847
vp8_mse2psnr(double Samples,double Peak,double Mse)848 static double vp8_mse2psnr(double Samples, double Peak, double Mse)
849 {
850 double psnr;
851
852 if ((double)Mse > 0.0)
853 psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
854 else
855 psnr = 60; // Limit to prevent / 0
856
857 if (psnr > 60)
858 psnr = 60;
859
860 return psnr;
861 }
862
863
864 #include "args.h"
865
866 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
867 "Debug mode (makes output deterministic)");
868 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
869 "Output filename");
870 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
871 "Input file is YV12 ");
872 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
873 "Input file is I420 (default)");
874 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
875 "Codec to use");
876 static const arg_def_t passes = ARG_DEF("p", "passes", 1,
877 "Number of passes (1/2)");
878 static const arg_def_t pass_arg = ARG_DEF(NULL, "pass", 1,
879 "Pass to execute (1/2)");
880 static const arg_def_t fpf_name = ARG_DEF(NULL, "fpf", 1,
881 "First pass statistics file name");
882 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
883 "Stop encoding after n input frames");
884 static const arg_def_t deadline = ARG_DEF("d", "deadline", 1,
885 "Deadline per frame (usec)");
886 static const arg_def_t best_dl = ARG_DEF(NULL, "best", 0,
887 "Use Best Quality Deadline");
888 static const arg_def_t good_dl = ARG_DEF(NULL, "good", 0,
889 "Use Good Quality Deadline");
890 static const arg_def_t rt_dl = ARG_DEF(NULL, "rt", 0,
891 "Use Realtime Quality Deadline");
892 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
893 "Show encoder parameters");
894 static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0,
895 "Show PSNR in status line");
896 static const arg_def_t framerate = ARG_DEF(NULL, "fps", 1,
897 "Stream frame rate (rate/scale)");
898 static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0,
899 "Output IVF (default is WebM)");
900 static const arg_def_t *main_args[] =
901 {
902 &debugmode,
903 &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
904 &best_dl, &good_dl, &rt_dl,
905 &verbosearg, &psnrarg, &use_ivf, &framerate,
906 NULL
907 };
908
909 static const arg_def_t usage = ARG_DEF("u", "usage", 1,
910 "Usage profile number to use");
911 static const arg_def_t threads = ARG_DEF("t", "threads", 1,
912 "Max number of threads to use");
913 static const arg_def_t profile = ARG_DEF(NULL, "profile", 1,
914 "Bitstream profile number to use");
915 static const arg_def_t width = ARG_DEF("w", "width", 1,
916 "Frame width");
917 static const arg_def_t height = ARG_DEF("h", "height", 1,
918 "Frame height");
919 static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1,
920 "Stream timebase (frame duration)");
921 static const arg_def_t error_resilient = ARG_DEF(NULL, "error-resilient", 1,
922 "Enable error resiliency features");
923 static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1,
924 "Max number of frames to lag");
925
926 static const arg_def_t *global_args[] =
927 {
928 &use_yv12, &use_i420, &usage, &threads, &profile,
929 &width, &height, &timebase, &framerate, &error_resilient,
930 &lag_in_frames, NULL
931 };
932
933 static const arg_def_t dropframe_thresh = ARG_DEF(NULL, "drop-frame", 1,
934 "Temporal resampling threshold (buf %)");
935 static const arg_def_t resize_allowed = ARG_DEF(NULL, "resize-allowed", 1,
936 "Spatial resampling enabled (bool)");
937 static const arg_def_t resize_up_thresh = ARG_DEF(NULL, "resize-up", 1,
938 "Upscale threshold (buf %)");
939 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
940 "Downscale threshold (buf %)");
941 static const struct arg_enum_list end_usage_enum[] = {
942 {"vbr", VPX_VBR},
943 {"cbr", VPX_CBR},
944 {"cq", VPX_CQ},
945 {NULL, 0}
946 };
947 static const arg_def_t end_usage = ARG_DEF_ENUM(NULL, "end-usage", 1,
948 "Rate control mode", end_usage_enum);
949 static const arg_def_t target_bitrate = ARG_DEF(NULL, "target-bitrate", 1,
950 "Bitrate (kbps)");
951 static const arg_def_t min_quantizer = ARG_DEF(NULL, "min-q", 1,
952 "Minimum (best) quantizer");
953 static const arg_def_t max_quantizer = ARG_DEF(NULL, "max-q", 1,
954 "Maximum (worst) quantizer");
955 static const arg_def_t undershoot_pct = ARG_DEF(NULL, "undershoot-pct", 1,
956 "Datarate undershoot (min) target (%)");
957 static const arg_def_t overshoot_pct = ARG_DEF(NULL, "overshoot-pct", 1,
958 "Datarate overshoot (max) target (%)");
959 static const arg_def_t buf_sz = ARG_DEF(NULL, "buf-sz", 1,
960 "Client buffer size (ms)");
961 static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1,
962 "Client initial buffer size (ms)");
963 static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1,
964 "Client optimal buffer size (ms)");
965 static const arg_def_t *rc_args[] =
966 {
967 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
968 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
969 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
970 NULL
971 };
972
973
974 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
975 "CBR/VBR bias (0=CBR, 100=VBR)");
976 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
977 "GOP min bitrate (% of target)");
978 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
979 "GOP max bitrate (% of target)");
980 static const arg_def_t *rc_twopass_args[] =
981 {
982 &bias_pct, &minsection_pct, &maxsection_pct, NULL
983 };
984
985
986 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
987 "Minimum keyframe interval (frames)");
988 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
989 "Maximum keyframe interval (frames)");
990 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
991 "Disable keyframe placement");
992 static const arg_def_t *kf_args[] =
993 {
994 &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
995 };
996
997
998 #if CONFIG_VP8_ENCODER
999 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
1000 "Noise sensitivity (frames to blur)");
1001 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
1002 "Filter sharpness (0-7)");
1003 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
1004 "Motion detection threshold");
1005 #endif
1006
1007 #if CONFIG_VP8_ENCODER
1008 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
1009 "CPU Used (-16..16)");
1010 #endif
1011
1012
1013 #if CONFIG_VP8_ENCODER
1014 static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1,
1015 "Number of token partitions to use, log2");
1016 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
1017 "Enable automatic alt reference frames");
1018 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
1019 "AltRef Max Frames");
1020 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
1021 "AltRef Strength");
1022 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
1023 "AltRef Type");
1024 static const struct arg_enum_list tuning_enum[] = {
1025 {"psnr", VP8_TUNE_PSNR},
1026 {"ssim", VP8_TUNE_SSIM},
1027 {NULL, 0}
1028 };
1029 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
1030 "Material to favor", tuning_enum);
1031 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
1032 "Constrained Quality Level");
1033
1034 static const arg_def_t *vp8_args[] =
1035 {
1036 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
1037 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
1038 &tune_ssim, &cq_level, NULL
1039 };
1040 static const int vp8_arg_ctrl_map[] =
1041 {
1042 VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
1043 VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
1044 VP8E_SET_TOKEN_PARTITIONS,
1045 VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH , VP8E_SET_ARNR_TYPE,
1046 VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, 0
1047 };
1048 #endif
1049
1050 static const arg_def_t *no_args[] = { NULL };
1051
usage_exit()1052 static void usage_exit()
1053 {
1054 int i;
1055
1056 fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
1057 exec_name);
1058
1059 fprintf(stderr, "\nOptions:\n");
1060 arg_show_usage(stdout, main_args);
1061 fprintf(stderr, "\nEncoder Global Options:\n");
1062 arg_show_usage(stdout, global_args);
1063 fprintf(stderr, "\nRate Control Options:\n");
1064 arg_show_usage(stdout, rc_args);
1065 fprintf(stderr, "\nTwopass Rate Control Options:\n");
1066 arg_show_usage(stdout, rc_twopass_args);
1067 fprintf(stderr, "\nKeyframe Placement Options:\n");
1068 arg_show_usage(stdout, kf_args);
1069 #if CONFIG_VP8_ENCODER
1070 fprintf(stderr, "\nVP8 Specific Options:\n");
1071 arg_show_usage(stdout, vp8_args);
1072 #endif
1073 fprintf(stderr, "\n"
1074 "Included encoders:\n"
1075 "\n");
1076
1077 for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
1078 fprintf(stderr, " %-6s - %s\n",
1079 codecs[i].name,
1080 vpx_codec_iface_name(codecs[i].iface));
1081
1082 exit(EXIT_FAILURE);
1083 }
1084
1085 #define ARG_CTRL_CNT_MAX 10
1086
1087
main(int argc,const char ** argv_)1088 int main(int argc, const char **argv_)
1089 {
1090 vpx_codec_ctx_t encoder;
1091 const char *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL;
1092 int i;
1093 FILE *infile, *outfile;
1094 vpx_codec_enc_cfg_t cfg;
1095 vpx_codec_err_t res;
1096 int pass, one_pass_only = 0;
1097 stats_io_t stats;
1098 vpx_image_t raw;
1099 const struct codec_item *codec = codecs;
1100 int frame_avail, got_data;
1101
1102 struct arg arg;
1103 char **argv, **argi, **argj;
1104 int arg_usage = 0, arg_passes = 1, arg_deadline = 0;
1105 int arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0;
1106 int arg_limit = 0;
1107 static const arg_def_t **ctrl_args = no_args;
1108 static const int *ctrl_args_map = NULL;
1109 int verbose = 0, show_psnr = 0;
1110 int arg_use_i420 = 1;
1111 unsigned long cx_time = 0;
1112 unsigned int file_type, fourcc;
1113 y4m_input y4m;
1114 struct vpx_rational arg_framerate = {30, 1};
1115 int arg_have_framerate = 0;
1116 int write_webm = 1;
1117 EbmlGlobal ebml = {0};
1118 uint32_t hash = 0;
1119 uint64_t psnr_sse_total = 0;
1120 uint64_t psnr_samples_total = 0;
1121 double psnr_totals[4] = {0, 0, 0, 0};
1122 int psnr_count = 0;
1123
1124 exec_name = argv_[0];
1125 ebml.last_pts_ms = -1;
1126
1127 if (argc < 3)
1128 usage_exit();
1129
1130
1131 /* First parse the codec and usage values, because we want to apply other
1132 * parameters on top of the default configuration provided by the codec.
1133 */
1134 argv = argv_dup(argc - 1, argv_ + 1);
1135
1136 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
1137 {
1138 arg.argv_step = 1;
1139
1140 if (arg_match(&arg, &codecarg, argi))
1141 {
1142 int j, k = -1;
1143
1144 for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
1145 if (!strcmp(codecs[j].name, arg.val))
1146 k = j;
1147
1148 if (k >= 0)
1149 codec = codecs + k;
1150 else
1151 die("Error: Unrecognized argument (%s) to --codec\n",
1152 arg.val);
1153
1154 }
1155 else if (arg_match(&arg, &passes, argi))
1156 {
1157 arg_passes = arg_parse_uint(&arg);
1158
1159 if (arg_passes < 1 || arg_passes > 2)
1160 die("Error: Invalid number of passes (%d)\n", arg_passes);
1161 }
1162 else if (arg_match(&arg, &pass_arg, argi))
1163 {
1164 one_pass_only = arg_parse_uint(&arg);
1165
1166 if (one_pass_only < 1 || one_pass_only > 2)
1167 die("Error: Invalid pass selected (%d)\n", one_pass_only);
1168 }
1169 else if (arg_match(&arg, &fpf_name, argi))
1170 stats_fn = arg.val;
1171 else if (arg_match(&arg, &usage, argi))
1172 arg_usage = arg_parse_uint(&arg);
1173 else if (arg_match(&arg, &deadline, argi))
1174 arg_deadline = arg_parse_uint(&arg);
1175 else if (arg_match(&arg, &best_dl, argi))
1176 arg_deadline = VPX_DL_BEST_QUALITY;
1177 else if (arg_match(&arg, &good_dl, argi))
1178 arg_deadline = VPX_DL_GOOD_QUALITY;
1179 else if (arg_match(&arg, &rt_dl, argi))
1180 arg_deadline = VPX_DL_REALTIME;
1181 else if (arg_match(&arg, &use_yv12, argi))
1182 {
1183 arg_use_i420 = 0;
1184 }
1185 else if (arg_match(&arg, &use_i420, argi))
1186 {
1187 arg_use_i420 = 1;
1188 }
1189 else if (arg_match(&arg, &verbosearg, argi))
1190 verbose = 1;
1191 else if (arg_match(&arg, &limit, argi))
1192 arg_limit = arg_parse_uint(&arg);
1193 else if (arg_match(&arg, &psnrarg, argi))
1194 show_psnr = 1;
1195 else if (arg_match(&arg, &framerate, argi))
1196 {
1197 arg_framerate = arg_parse_rational(&arg);
1198 arg_have_framerate = 1;
1199 }
1200 else if (arg_match(&arg, &use_ivf, argi))
1201 write_webm = 0;
1202 else if (arg_match(&arg, &outputfile, argi))
1203 out_fn = arg.val;
1204 else if (arg_match(&arg, &debugmode, argi))
1205 ebml.debug = 1;
1206 else
1207 argj++;
1208 }
1209
1210 /* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2,
1211 * ensure --fpf was set.
1212 */
1213 if (one_pass_only)
1214 {
1215 /* DWIM: Assume the user meant passes=2 if pass=2 is specified */
1216 if (one_pass_only > arg_passes)
1217 {
1218 fprintf(stderr, "Warning: Assuming --pass=%d implies --passes=%d\n",
1219 one_pass_only, one_pass_only);
1220 arg_passes = one_pass_only;
1221 }
1222
1223 if (arg_passes == 2 && !stats_fn)
1224 die("Must specify --fpf when --pass=%d and --passes=2\n", one_pass_only);
1225 }
1226
1227 /* Populate encoder configuration */
1228 res = vpx_codec_enc_config_default(codec->iface, &cfg, arg_usage);
1229
1230 if (res)
1231 {
1232 fprintf(stderr, "Failed to get config: %s\n",
1233 vpx_codec_err_to_string(res));
1234 return EXIT_FAILURE;
1235 }
1236
1237 /* Change the default timebase to a high enough value so that the encoder
1238 * will always create strictly increasing timestamps.
1239 */
1240 cfg.g_timebase.den = 1000;
1241
1242 /* Never use the library's default resolution, require it be parsed
1243 * from the file or set on the command line.
1244 */
1245 cfg.g_w = 0;
1246 cfg.g_h = 0;
1247
1248 /* Now parse the remainder of the parameters. */
1249 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
1250 {
1251 arg.argv_step = 1;
1252
1253 if (0);
1254 else if (arg_match(&arg, &threads, argi))
1255 cfg.g_threads = arg_parse_uint(&arg);
1256 else if (arg_match(&arg, &profile, argi))
1257 cfg.g_profile = arg_parse_uint(&arg);
1258 else if (arg_match(&arg, &width, argi))
1259 cfg.g_w = arg_parse_uint(&arg);
1260 else if (arg_match(&arg, &height, argi))
1261 cfg.g_h = arg_parse_uint(&arg);
1262 else if (arg_match(&arg, &timebase, argi))
1263 cfg.g_timebase = arg_parse_rational(&arg);
1264 else if (arg_match(&arg, &error_resilient, argi))
1265 cfg.g_error_resilient = arg_parse_uint(&arg);
1266 else if (arg_match(&arg, &lag_in_frames, argi))
1267 cfg.g_lag_in_frames = arg_parse_uint(&arg);
1268 else if (arg_match(&arg, &dropframe_thresh, argi))
1269 cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
1270 else if (arg_match(&arg, &resize_allowed, argi))
1271 cfg.rc_resize_allowed = arg_parse_uint(&arg);
1272 else if (arg_match(&arg, &resize_up_thresh, argi))
1273 cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
1274 else if (arg_match(&arg, &resize_down_thresh, argi))
1275 cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
1276 else if (arg_match(&arg, &resize_down_thresh, argi))
1277 cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
1278 else if (arg_match(&arg, &end_usage, argi))
1279 cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
1280 else if (arg_match(&arg, &target_bitrate, argi))
1281 cfg.rc_target_bitrate = arg_parse_uint(&arg);
1282 else if (arg_match(&arg, &min_quantizer, argi))
1283 cfg.rc_min_quantizer = arg_parse_uint(&arg);
1284 else if (arg_match(&arg, &max_quantizer, argi))
1285 cfg.rc_max_quantizer = arg_parse_uint(&arg);
1286 else if (arg_match(&arg, &undershoot_pct, argi))
1287 cfg.rc_undershoot_pct = arg_parse_uint(&arg);
1288 else if (arg_match(&arg, &overshoot_pct, argi))
1289 cfg.rc_overshoot_pct = arg_parse_uint(&arg);
1290 else if (arg_match(&arg, &buf_sz, argi))
1291 cfg.rc_buf_sz = arg_parse_uint(&arg);
1292 else if (arg_match(&arg, &buf_initial_sz, argi))
1293 cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
1294 else if (arg_match(&arg, &buf_optimal_sz, argi))
1295 cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
1296 else if (arg_match(&arg, &bias_pct, argi))
1297 {
1298 cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
1299
1300 if (arg_passes < 2)
1301 fprintf(stderr,
1302 "Warning: option %s ignored in one-pass mode.\n",
1303 arg.name);
1304 }
1305 else if (arg_match(&arg, &minsection_pct, argi))
1306 {
1307 cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
1308
1309 if (arg_passes < 2)
1310 fprintf(stderr,
1311 "Warning: option %s ignored in one-pass mode.\n",
1312 arg.name);
1313 }
1314 else if (arg_match(&arg, &maxsection_pct, argi))
1315 {
1316 cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
1317
1318 if (arg_passes < 2)
1319 fprintf(stderr,
1320 "Warning: option %s ignored in one-pass mode.\n",
1321 arg.name);
1322 }
1323 else if (arg_match(&arg, &kf_min_dist, argi))
1324 cfg.kf_min_dist = arg_parse_uint(&arg);
1325 else if (arg_match(&arg, &kf_max_dist, argi))
1326 cfg.kf_max_dist = arg_parse_uint(&arg);
1327 else if (arg_match(&arg, &kf_disabled, argi))
1328 cfg.kf_mode = VPX_KF_DISABLED;
1329 else
1330 argj++;
1331 }
1332
1333 /* Handle codec specific options */
1334 #if CONFIG_VP8_ENCODER
1335
1336 if (codec->iface == &vpx_codec_vp8_cx_algo)
1337 {
1338 ctrl_args = vp8_args;
1339 ctrl_args_map = vp8_arg_ctrl_map;
1340 }
1341
1342 #endif
1343
1344 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
1345 {
1346 int match = 0;
1347
1348 arg.argv_step = 1;
1349
1350 for (i = 0; ctrl_args[i]; i++)
1351 {
1352 if (arg_match(&arg, ctrl_args[i], argi))
1353 {
1354 match = 1;
1355
1356 if (arg_ctrl_cnt < ARG_CTRL_CNT_MAX)
1357 {
1358 arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i];
1359 arg_ctrls[arg_ctrl_cnt][1] = arg_parse_enum_or_int(&arg);
1360 arg_ctrl_cnt++;
1361 }
1362 }
1363 }
1364
1365 if (!match)
1366 argj++;
1367 }
1368
1369 /* Check for unrecognized options */
1370 for (argi = argv; *argi; argi++)
1371 if (argi[0][0] == '-' && argi[0][1])
1372 die("Error: Unrecognized option %s\n", *argi);
1373
1374 /* Handle non-option arguments */
1375 in_fn = argv[0];
1376
1377 if (!in_fn)
1378 usage_exit();
1379
1380 if(!out_fn)
1381 die("Error: Output file is required (specify with -o)\n");
1382
1383 memset(&stats, 0, sizeof(stats));
1384
1385 for (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++)
1386 {
1387 int frames_in = 0, frames_out = 0;
1388 unsigned long nbytes = 0;
1389 struct detect_buffer detect;
1390
1391 /* Parse certain options from the input file, if possible */
1392 infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb")
1393 : set_binary_mode(stdin);
1394
1395 if (!infile)
1396 {
1397 fprintf(stderr, "Failed to open input file\n");
1398 return EXIT_FAILURE;
1399 }
1400
1401 /* For RAW input sources, these bytes will applied on the first frame
1402 * in read_frame().
1403 */
1404 detect.buf_read = fread(detect.buf, 1, 4, infile);
1405 detect.position = 0;
1406
1407 if (detect.buf_read == 4 && file_is_y4m(infile, &y4m, detect.buf))
1408 {
1409 if (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0)
1410 {
1411 file_type = FILE_TYPE_Y4M;
1412 cfg.g_w = y4m.pic_w;
1413 cfg.g_h = y4m.pic_h;
1414
1415 /* Use the frame rate from the file only if none was specified
1416 * on the command-line.
1417 */
1418 if (!arg_have_framerate)
1419 {
1420 arg_framerate.num = y4m.fps_n;
1421 arg_framerate.den = y4m.fps_d;
1422 }
1423
1424 arg_use_i420 = 0;
1425 }
1426 else
1427 {
1428 fprintf(stderr, "Unsupported Y4M stream.\n");
1429 return EXIT_FAILURE;
1430 }
1431 }
1432 else if (detect.buf_read == 4 &&
1433 file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, &detect))
1434 {
1435 file_type = FILE_TYPE_IVF;
1436 switch (fourcc)
1437 {
1438 case 0x32315659:
1439 arg_use_i420 = 0;
1440 break;
1441 case 0x30323449:
1442 arg_use_i420 = 1;
1443 break;
1444 default:
1445 fprintf(stderr, "Unsupported fourcc (%08x) in IVF\n", fourcc);
1446 return EXIT_FAILURE;
1447 }
1448 }
1449 else
1450 {
1451 file_type = FILE_TYPE_RAW;
1452 }
1453
1454 if(!cfg.g_w || !cfg.g_h)
1455 {
1456 fprintf(stderr, "Specify stream dimensions with --width (-w) "
1457 " and --height (-h).\n");
1458 return EXIT_FAILURE;
1459 }
1460
1461 #define SHOW(field) fprintf(stderr, " %-28s = %d\n", #field, cfg.field)
1462
1463 if (verbose && pass == 0)
1464 {
1465 fprintf(stderr, "Codec: %s\n", vpx_codec_iface_name(codec->iface));
1466 fprintf(stderr, "Source file: %s Format: %s\n", in_fn,
1467 arg_use_i420 ? "I420" : "YV12");
1468 fprintf(stderr, "Destination file: %s\n", out_fn);
1469 fprintf(stderr, "Encoder parameters:\n");
1470
1471 SHOW(g_usage);
1472 SHOW(g_threads);
1473 SHOW(g_profile);
1474 SHOW(g_w);
1475 SHOW(g_h);
1476 SHOW(g_timebase.num);
1477 SHOW(g_timebase.den);
1478 SHOW(g_error_resilient);
1479 SHOW(g_pass);
1480 SHOW(g_lag_in_frames);
1481 SHOW(rc_dropframe_thresh);
1482 SHOW(rc_resize_allowed);
1483 SHOW(rc_resize_up_thresh);
1484 SHOW(rc_resize_down_thresh);
1485 SHOW(rc_end_usage);
1486 SHOW(rc_target_bitrate);
1487 SHOW(rc_min_quantizer);
1488 SHOW(rc_max_quantizer);
1489 SHOW(rc_undershoot_pct);
1490 SHOW(rc_overshoot_pct);
1491 SHOW(rc_buf_sz);
1492 SHOW(rc_buf_initial_sz);
1493 SHOW(rc_buf_optimal_sz);
1494 SHOW(rc_2pass_vbr_bias_pct);
1495 SHOW(rc_2pass_vbr_minsection_pct);
1496 SHOW(rc_2pass_vbr_maxsection_pct);
1497 SHOW(kf_mode);
1498 SHOW(kf_min_dist);
1499 SHOW(kf_max_dist);
1500 }
1501
1502 if(pass == (one_pass_only ? one_pass_only - 1 : 0)) {
1503 if (file_type == FILE_TYPE_Y4M)
1504 /*The Y4M reader does its own allocation.
1505 Just initialize this here to avoid problems if we never read any
1506 frames.*/
1507 memset(&raw, 0, sizeof(raw));
1508 else
1509 vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12,
1510 cfg.g_w, cfg.g_h, 1);
1511 }
1512
1513 outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb")
1514 : set_binary_mode(stdout);
1515
1516 if (!outfile)
1517 {
1518 fprintf(stderr, "Failed to open output file\n");
1519 return EXIT_FAILURE;
1520 }
1521
1522 if(write_webm && fseek(outfile, 0, SEEK_CUR))
1523 {
1524 fprintf(stderr, "WebM output to pipes not supported.\n");
1525 return EXIT_FAILURE;
1526 }
1527
1528 if (stats_fn)
1529 {
1530 if (!stats_open_file(&stats, stats_fn, pass))
1531 {
1532 fprintf(stderr, "Failed to open statistics store\n");
1533 return EXIT_FAILURE;
1534 }
1535 }
1536 else
1537 {
1538 if (!stats_open_mem(&stats, pass))
1539 {
1540 fprintf(stderr, "Failed to open statistics store\n");
1541 return EXIT_FAILURE;
1542 }
1543 }
1544
1545 cfg.g_pass = arg_passes == 2
1546 ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
1547 : VPX_RC_ONE_PASS;
1548 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION)
1549
1550 if (pass)
1551 {
1552 cfg.rc_twopass_stats_in = stats_get(&stats);
1553 }
1554
1555 #endif
1556
1557 if(write_webm)
1558 {
1559 ebml.stream = outfile;
1560 write_webm_file_header(&ebml, &cfg, &arg_framerate);
1561 }
1562 else
1563 write_ivf_file_header(outfile, &cfg, codec->fourcc, 0);
1564
1565
1566 /* Construct Encoder Context */
1567 vpx_codec_enc_init(&encoder, codec->iface, &cfg,
1568 show_psnr ? VPX_CODEC_USE_PSNR : 0);
1569 ctx_exit_on_error(&encoder, "Failed to initialize encoder");
1570
1571 /* Note that we bypass the vpx_codec_control wrapper macro because
1572 * we're being clever to store the control IDs in an array. Real
1573 * applications will want to make use of the enumerations directly
1574 */
1575 for (i = 0; i < arg_ctrl_cnt; i++)
1576 {
1577 if (vpx_codec_control_(&encoder, arg_ctrls[i][0], arg_ctrls[i][1]))
1578 fprintf(stderr, "Error: Tried to set control %d = %d\n",
1579 arg_ctrls[i][0], arg_ctrls[i][1]);
1580
1581 ctx_exit_on_error(&encoder, "Failed to control codec");
1582 }
1583
1584 frame_avail = 1;
1585 got_data = 0;
1586
1587 while (frame_avail || got_data)
1588 {
1589 vpx_codec_iter_t iter = NULL;
1590 const vpx_codec_cx_pkt_t *pkt;
1591 struct vpx_usec_timer timer;
1592 int64_t frame_start, next_frame_start;
1593
1594 if (!arg_limit || frames_in < arg_limit)
1595 {
1596 frame_avail = read_frame(infile, &raw, file_type, &y4m,
1597 &detect);
1598
1599 if (frame_avail)
1600 frames_in++;
1601
1602 fprintf(stderr,
1603 "\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1,
1604 arg_passes, frames_in, frames_out, nbytes);
1605 }
1606 else
1607 frame_avail = 0;
1608
1609 vpx_usec_timer_start(&timer);
1610
1611 frame_start = (cfg.g_timebase.den * (int64_t)(frames_in - 1)
1612 * arg_framerate.den) / cfg.g_timebase.num / arg_framerate.num;
1613 next_frame_start = (cfg.g_timebase.den * (int64_t)(frames_in)
1614 * arg_framerate.den)
1615 / cfg.g_timebase.num / arg_framerate.num;
1616 vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, frame_start,
1617 next_frame_start - frame_start,
1618 0, arg_deadline);
1619 vpx_usec_timer_mark(&timer);
1620 cx_time += vpx_usec_timer_elapsed(&timer);
1621 ctx_exit_on_error(&encoder, "Failed to encode frame");
1622 got_data = 0;
1623
1624 while ((pkt = vpx_codec_get_cx_data(&encoder, &iter)))
1625 {
1626 got_data = 1;
1627
1628 switch (pkt->kind)
1629 {
1630 case VPX_CODEC_CX_FRAME_PKT:
1631 frames_out++;
1632 fprintf(stderr, " %6luF",
1633 (unsigned long)pkt->data.frame.sz);
1634
1635 if(write_webm)
1636 {
1637 /* Update the hash */
1638 if(!ebml.debug)
1639 hash = murmur(pkt->data.frame.buf,
1640 pkt->data.frame.sz, hash);
1641
1642 write_webm_block(&ebml, &cfg, pkt);
1643 }
1644 else
1645 {
1646 write_ivf_frame_header(outfile, pkt);
1647 if(fwrite(pkt->data.frame.buf, 1,
1648 pkt->data.frame.sz, outfile));
1649 }
1650 nbytes += pkt->data.raw.sz;
1651 break;
1652 case VPX_CODEC_STATS_PKT:
1653 frames_out++;
1654 fprintf(stderr, " %6luS",
1655 (unsigned long)pkt->data.twopass_stats.sz);
1656 stats_write(&stats,
1657 pkt->data.twopass_stats.buf,
1658 pkt->data.twopass_stats.sz);
1659 nbytes += pkt->data.raw.sz;
1660 break;
1661 case VPX_CODEC_PSNR_PKT:
1662
1663 if (show_psnr)
1664 {
1665 int i;
1666
1667 psnr_sse_total += pkt->data.psnr.sse[0];
1668 psnr_samples_total += pkt->data.psnr.samples[0];
1669 for (i = 0; i < 4; i++)
1670 {
1671 fprintf(stderr, "%.3lf ", pkt->data.psnr.psnr[i]);
1672 psnr_totals[i] += pkt->data.psnr.psnr[i];
1673 }
1674 psnr_count++;
1675 }
1676
1677 break;
1678 default:
1679 break;
1680 }
1681 }
1682
1683 fflush(stdout);
1684 }
1685
1686 fprintf(stderr,
1687 "\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s"
1688 " %7lu %s (%.2f fps)\033[K", pass + 1,
1689 arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in,
1690 nbytes * 8 *(int64_t)arg_framerate.num / arg_framerate.den / frames_in,
1691 cx_time > 9999999 ? cx_time / 1000 : cx_time,
1692 cx_time > 9999999 ? "ms" : "us",
1693 (float)frames_in * 1000000.0 / (float)cx_time);
1694
1695 if ( (show_psnr) && (psnr_count>0) )
1696 {
1697 int i;
1698 double ovpsnr = vp8_mse2psnr(psnr_samples_total, 255.0,
1699 psnr_sse_total);
1700
1701 fprintf(stderr, "\nPSNR (Overall/Avg/Y/U/V)");
1702
1703 fprintf(stderr, " %.3lf", ovpsnr);
1704 for (i = 0; i < 4; i++)
1705 {
1706 fprintf(stderr, " %.3lf", psnr_totals[i]/psnr_count);
1707 }
1708 }
1709
1710 vpx_codec_destroy(&encoder);
1711
1712 fclose(infile);
1713
1714 if(write_webm)
1715 {
1716 write_webm_file_footer(&ebml, hash);
1717 }
1718 else
1719 {
1720 if (!fseek(outfile, 0, SEEK_SET))
1721 write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out);
1722 }
1723
1724 fclose(outfile);
1725 stats_close(&stats, arg_passes-1);
1726 fprintf(stderr, "\n");
1727
1728 if (one_pass_only)
1729 break;
1730 }
1731
1732 vpx_img_free(&raw);
1733 free(argv);
1734 return EXIT_SUCCESS;
1735 }
1736