WebM VP8 Codec SDK
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00001 /* 00002 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 00003 * 00004 * Use of this source code is governed by a BSD-style license 00005 * that can be found in the LICENSE file in the root of the source 00006 * tree. An additional intellectual property rights grant can be found 00007 * in the file PATENTS. All contributing project authors may 00008 * be found in the AUTHORS file in the root of the source tree. 00009 */ 00010 00011 00012 /* This is a simple program that encodes YV12 files and generates ivf 00013 * files using the new interface. 00014 */ 00015 #if defined(_WIN32) || !CONFIG_OS_SUPPORT 00016 #define USE_POSIX_MMAP 0 00017 #else 00018 #define USE_POSIX_MMAP 1 00019 #endif 00020 00021 #include <stdio.h> 00022 #include <stdlib.h> 00023 #include <stdarg.h> 00024 #include <string.h> 00025 #include <limits.h> 00026 #include "vpx/vpx_encoder.h" 00027 #if USE_POSIX_MMAP 00028 #include <sys/types.h> 00029 #include <sys/stat.h> 00030 #include <sys/mman.h> 00031 #include <fcntl.h> 00032 #include <unistd.h> 00033 #endif 00034 #include "vpx_version.h" 00035 #include "vpx/vp8cx.h" 00036 #include "vpx_ports/mem_ops.h" 00037 #include "vpx_ports/vpx_timer.h" 00038 #include "tools_common.h" 00039 #include "y4minput.h" 00040 #include "libmkv/EbmlWriter.h" 00041 #include "libmkv/EbmlIDs.h" 00042 00043 /* Need special handling of these functions on Windows */ 00044 #if defined(_MSC_VER) 00045 /* MSVS doesn't define off_t, and uses _f{seek,tell}i64 */ 00046 typedef __int64 off_t; 00047 #define fseeko _fseeki64 00048 #define ftello _ftelli64 00049 #elif defined(_WIN32) 00050 /* MinGW defines off_t, and uses f{seek,tell}o64 */ 00051 #define fseeko fseeko64 00052 #define ftello ftello64 00053 #endif 00054 00055 #if defined(_MSC_VER) 00056 #define LITERALU64(n) n 00057 #else 00058 #define LITERALU64(n) n##LLU 00059 #endif 00060 00061 /* We should use 32-bit file operations in WebM file format 00062 * when building ARM executable file (.axf) with RVCT */ 00063 #if !CONFIG_OS_SUPPORT 00064 typedef long off_t; 00065 #define fseeko fseek 00066 #define ftello ftell 00067 #endif 00068 00069 static const char *exec_name; 00070 00071 static const struct codec_item 00072 { 00073 char const *name; 00074 const vpx_codec_iface_t *iface; 00075 unsigned int fourcc; 00076 } codecs[] = 00077 { 00078 #if CONFIG_VP8_ENCODER 00079 {"vp8", &vpx_codec_vp8_cx_algo, 0x30385056}, 00080 #endif 00081 }; 00082 00083 static void usage_exit(); 00084 00085 void die(const char *fmt, ...) 00086 { 00087 va_list ap; 00088 va_start(ap, fmt); 00089 vfprintf(stderr, fmt, ap); 00090 fprintf(stderr, "\n"); 00091 usage_exit(); 00092 } 00093 00094 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s) 00095 { 00096 if (ctx->err) 00097 { 00098 const char *detail = vpx_codec_error_detail(ctx); 00099 00100 fprintf(stderr, "%s: %s\n", s, vpx_codec_error(ctx)); 00101 00102 if (detail) 00103 fprintf(stderr, " %s\n", detail); 00104 00105 exit(EXIT_FAILURE); 00106 } 00107 } 00108 00109 /* This structure is used to abstract the different ways of handling 00110 * first pass statistics. 00111 */ 00112 typedef struct 00113 { 00114 vpx_fixed_buf_t buf; 00115 int pass; 00116 FILE *file; 00117 char *buf_ptr; 00118 size_t buf_alloc_sz; 00119 } stats_io_t; 00120 00121 int stats_open_file(stats_io_t *stats, const char *fpf, int pass) 00122 { 00123 int res; 00124 00125 stats->pass = pass; 00126 00127 if (pass == 0) 00128 { 00129 stats->file = fopen(fpf, "wb"); 00130 stats->buf.sz = 0; 00131 stats->buf.buf = NULL, 00132 res = (stats->file != NULL); 00133 } 00134 else 00135 { 00136 #if 0 00137 #elif USE_POSIX_MMAP 00138 struct stat stat_buf; 00139 int fd; 00140 00141 fd = open(fpf, O_RDONLY); 00142 stats->file = fdopen(fd, "rb"); 00143 fstat(fd, &stat_buf); 00144 stats->buf.sz = stat_buf.st_size; 00145 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE, 00146 fd, 0); 00147 res = (stats->buf.buf != NULL); 00148 #else 00149 size_t nbytes; 00150 00151 stats->file = fopen(fpf, "rb"); 00152 00153 if (fseek(stats->file, 0, SEEK_END)) 00154 { 00155 fprintf(stderr, "First-pass stats file must be seekable!\n"); 00156 exit(EXIT_FAILURE); 00157 } 00158 00159 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file); 00160 rewind(stats->file); 00161 00162 stats->buf.buf = malloc(stats->buf_alloc_sz); 00163 00164 if (!stats->buf.buf) 00165 { 00166 fprintf(stderr, "Failed to allocate first-pass stats buffer (%d bytes)\n", 00167 stats->buf_alloc_sz); 00168 exit(EXIT_FAILURE); 00169 } 00170 00171 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file); 00172 res = (nbytes == stats->buf.sz); 00173 #endif 00174 } 00175 00176 return res; 00177 } 00178 00179 int stats_open_mem(stats_io_t *stats, int pass) 00180 { 00181 int res; 00182 stats->pass = pass; 00183 00184 if (!pass) 00185 { 00186 stats->buf.sz = 0; 00187 stats->buf_alloc_sz = 64 * 1024; 00188 stats->buf.buf = malloc(stats->buf_alloc_sz); 00189 } 00190 00191 stats->buf_ptr = stats->buf.buf; 00192 res = (stats->buf.buf != NULL); 00193 return res; 00194 } 00195 00196 00197 void stats_close(stats_io_t *stats, int last_pass) 00198 { 00199 if (stats->file) 00200 { 00201 if (stats->pass == last_pass) 00202 { 00203 #if 0 00204 #elif USE_POSIX_MMAP 00205 munmap(stats->buf.buf, stats->buf.sz); 00206 #else 00207 free(stats->buf.buf); 00208 #endif 00209 } 00210 00211 fclose(stats->file); 00212 stats->file = NULL; 00213 } 00214 else 00215 { 00216 if (stats->pass == last_pass) 00217 free(stats->buf.buf); 00218 } 00219 } 00220 00221 void stats_write(stats_io_t *stats, const void *pkt, size_t len) 00222 { 00223 if (stats->file) 00224 { 00225 if(fwrite(pkt, 1, len, stats->file)); 00226 } 00227 else 00228 { 00229 if (stats->buf.sz + len > stats->buf_alloc_sz) 00230 { 00231 size_t new_sz = stats->buf_alloc_sz + 64 * 1024; 00232 char *new_ptr = realloc(stats->buf.buf, new_sz); 00233 00234 if (new_ptr) 00235 { 00236 stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf); 00237 stats->buf.buf = new_ptr; 00238 stats->buf_alloc_sz = new_sz; 00239 } /* else ... */ 00240 } 00241 00242 memcpy(stats->buf_ptr, pkt, len); 00243 stats->buf.sz += len; 00244 stats->buf_ptr += len; 00245 } 00246 } 00247 00248 vpx_fixed_buf_t stats_get(stats_io_t *stats) 00249 { 00250 return stats->buf; 00251 } 00252 00253 enum video_file_type 00254 { 00255 FILE_TYPE_RAW, 00256 FILE_TYPE_IVF, 00257 FILE_TYPE_Y4M 00258 }; 00259 00260 struct detect_buffer { 00261 char buf[4]; 00262 size_t buf_read; 00263 size_t position; 00264 }; 00265 00266 00267 #define IVF_FRAME_HDR_SZ (4+8) /* 4 byte size + 8 byte timestamp */ 00268 static int read_frame(FILE *f, vpx_image_t *img, unsigned int file_type, 00269 y4m_input *y4m, struct detect_buffer *detect) 00270 { 00271 int plane = 0; 00272 int shortread = 0; 00273 00274 if (file_type == FILE_TYPE_Y4M) 00275 { 00276 if (y4m_input_fetch_frame(y4m, f, img) < 1) 00277 return 0; 00278 } 00279 else 00280 { 00281 if (file_type == FILE_TYPE_IVF) 00282 { 00283 char junk[IVF_FRAME_HDR_SZ]; 00284 00285 /* Skip the frame header. We know how big the frame should be. See 00286 * write_ivf_frame_header() for documentation on the frame header 00287 * layout. 00288 */ 00289 if(fread(junk, 1, IVF_FRAME_HDR_SZ, f)); 00290 } 00291 00292 for (plane = 0; plane < 3; plane++) 00293 { 00294 unsigned char *ptr; 00295 int w = (plane ? (1 + img->d_w) / 2 : img->d_w); 00296 int h = (plane ? (1 + img->d_h) / 2 : img->d_h); 00297 int r; 00298 00299 /* Determine the correct plane based on the image format. The for-loop 00300 * always counts in Y,U,V order, but this may not match the order of 00301 * the data on disk. 00302 */ 00303 switch (plane) 00304 { 00305 case 1: 00306 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U]; 00307 break; 00308 case 2: 00309 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V]; 00310 break; 00311 default: 00312 ptr = img->planes[plane]; 00313 } 00314 00315 for (r = 0; r < h; r++) 00316 { 00317 size_t needed = w; 00318 size_t buf_position = 0; 00319 const size_t left = detect->buf_read - detect->position; 00320 if (left > 0) 00321 { 00322 const size_t more = (left < needed) ? left : needed; 00323 memcpy(ptr, detect->buf + detect->position, more); 00324 buf_position = more; 00325 needed -= more; 00326 detect->position += more; 00327 } 00328 if (needed > 0) 00329 { 00330 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed); 00331 } 00332 00333 ptr += img->stride[plane]; 00334 } 00335 } 00336 } 00337 00338 return !shortread; 00339 } 00340 00341 00342 unsigned int file_is_y4m(FILE *infile, 00343 y4m_input *y4m, 00344 char detect[4]) 00345 { 00346 if(memcmp(detect, "YUV4", 4) == 0) 00347 { 00348 return 1; 00349 } 00350 return 0; 00351 } 00352 00353 #define IVF_FILE_HDR_SZ (32) 00354 unsigned int file_is_ivf(FILE *infile, 00355 unsigned int *fourcc, 00356 unsigned int *width, 00357 unsigned int *height, 00358 struct detect_buffer *detect) 00359 { 00360 char raw_hdr[IVF_FILE_HDR_SZ]; 00361 int is_ivf = 0; 00362 00363 if(memcmp(detect->buf, "DKIF", 4) != 0) 00364 return 0; 00365 00366 /* See write_ivf_file_header() for more documentation on the file header 00367 * layout. 00368 */ 00369 if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile) 00370 == IVF_FILE_HDR_SZ - 4) 00371 { 00372 { 00373 is_ivf = 1; 00374 00375 if (mem_get_le16(raw_hdr + 4) != 0) 00376 fprintf(stderr, "Error: Unrecognized IVF version! This file may not" 00377 " decode properly."); 00378 00379 *fourcc = mem_get_le32(raw_hdr + 8); 00380 } 00381 } 00382 00383 if (is_ivf) 00384 { 00385 *width = mem_get_le16(raw_hdr + 12); 00386 *height = mem_get_le16(raw_hdr + 14); 00387 detect->position = 4; 00388 } 00389 00390 return is_ivf; 00391 } 00392 00393 00394 static void write_ivf_file_header(FILE *outfile, 00395 const vpx_codec_enc_cfg_t *cfg, 00396 unsigned int fourcc, 00397 int frame_cnt) 00398 { 00399 char header[32]; 00400 00401 if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS) 00402 return; 00403 00404 header[0] = 'D'; 00405 header[1] = 'K'; 00406 header[2] = 'I'; 00407 header[3] = 'F'; 00408 mem_put_le16(header + 4, 0); /* version */ 00409 mem_put_le16(header + 6, 32); /* headersize */ 00410 mem_put_le32(header + 8, fourcc); /* headersize */ 00411 mem_put_le16(header + 12, cfg->g_w); /* width */ 00412 mem_put_le16(header + 14, cfg->g_h); /* height */ 00413 mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */ 00414 mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */ 00415 mem_put_le32(header + 24, frame_cnt); /* length */ 00416 mem_put_le32(header + 28, 0); /* unused */ 00417 00418 if(fwrite(header, 1, 32, outfile)); 00419 } 00420 00421 00422 static void write_ivf_frame_header(FILE *outfile, 00423 const vpx_codec_cx_pkt_t *pkt) 00424 { 00425 char header[12]; 00426 vpx_codec_pts_t pts; 00427 00428 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) 00429 return; 00430 00431 pts = pkt->data.frame.pts; 00432 mem_put_le32(header, pkt->data.frame.sz); 00433 mem_put_le32(header + 4, pts & 0xFFFFFFFF); 00434 mem_put_le32(header + 8, pts >> 32); 00435 00436 if(fwrite(header, 1, 12, outfile)); 00437 } 00438 00439 00440 typedef off_t EbmlLoc; 00441 00442 00443 struct cue_entry 00444 { 00445 unsigned int time; 00446 uint64_t loc; 00447 }; 00448 00449 00450 struct EbmlGlobal 00451 { 00452 int debug; 00453 00454 FILE *stream; 00455 int64_t last_pts_ms; 00456 vpx_rational_t framerate; 00457 00458 /* These pointers are to the start of an element */ 00459 off_t position_reference; 00460 off_t seek_info_pos; 00461 off_t segment_info_pos; 00462 off_t track_pos; 00463 off_t cue_pos; 00464 off_t cluster_pos; 00465 00466 /* This pointer is to a specific element to be serialized */ 00467 off_t track_id_pos; 00468 00469 /* These pointers are to the size field of the element */ 00470 EbmlLoc startSegment; 00471 EbmlLoc startCluster; 00472 00473 uint32_t cluster_timecode; 00474 int cluster_open; 00475 00476 struct cue_entry *cue_list; 00477 unsigned int cues; 00478 00479 }; 00480 00481 00482 void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len) 00483 { 00484 if(fwrite(buffer_in, 1, len, glob->stream)); 00485 } 00486 00487 00488 void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, unsigned long len) 00489 { 00490 const unsigned char *q = (const unsigned char *)buffer_in + len - 1; 00491 00492 for(; len; len--) 00493 Ebml_Write(glob, q--, 1); 00494 } 00495 00496 00497 /* Need a fixed size serializer for the track ID. libmkv provdes a 64 bit 00498 * one, but not a 32 bit one. 00499 */ 00500 static void Ebml_SerializeUnsigned32(EbmlGlobal *glob, unsigned long class_id, uint64_t ui) 00501 { 00502 unsigned char sizeSerialized = 4 | 0x80; 00503 Ebml_WriteID(glob, class_id); 00504 Ebml_Serialize(glob, &sizeSerialized, 1); 00505 Ebml_Serialize(glob, &ui, 4); 00506 } 00507 00508 00509 static void 00510 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc, 00511 unsigned long class_id) 00512 { 00513 //todo this is always taking 8 bytes, this may need later optimization 00514 //this is a key that says lenght unknown 00515 unsigned long long unknownLen = LITERALU64(0x01FFFFFFFFFFFFFF); 00516 00517 Ebml_WriteID(glob, class_id); 00518 *ebmlLoc = ftello(glob->stream); 00519 Ebml_Serialize(glob, &unknownLen, 8); 00520 } 00521 00522 static void 00523 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc) 00524 { 00525 off_t pos; 00526 uint64_t size; 00527 00528 /* Save the current stream pointer */ 00529 pos = ftello(glob->stream); 00530 00531 /* Calculate the size of this element */ 00532 size = pos - *ebmlLoc - 8; 00533 size |= LITERALU64(0x0100000000000000); 00534 00535 /* Seek back to the beginning of the element and write the new size */ 00536 fseeko(glob->stream, *ebmlLoc, SEEK_SET); 00537 Ebml_Serialize(glob, &size, 8); 00538 00539 /* Reset the stream pointer */ 00540 fseeko(glob->stream, pos, SEEK_SET); 00541 } 00542 00543 00544 static void 00545 write_webm_seek_element(EbmlGlobal *ebml, unsigned long id, off_t pos) 00546 { 00547 uint64_t offset = pos - ebml->position_reference; 00548 EbmlLoc start; 00549 Ebml_StartSubElement(ebml, &start, Seek); 00550 Ebml_SerializeBinary(ebml, SeekID, id); 00551 Ebml_SerializeUnsigned64(ebml, SeekPosition, offset); 00552 Ebml_EndSubElement(ebml, &start); 00553 } 00554 00555 00556 static void 00557 write_webm_seek_info(EbmlGlobal *ebml) 00558 { 00559 00560 off_t pos; 00561 00562 /* Save the current stream pointer */ 00563 pos = ftello(ebml->stream); 00564 00565 if(ebml->seek_info_pos) 00566 fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET); 00567 else 00568 ebml->seek_info_pos = pos; 00569 00570 { 00571 EbmlLoc start; 00572 00573 Ebml_StartSubElement(ebml, &start, SeekHead); 00574 write_webm_seek_element(ebml, Tracks, ebml->track_pos); 00575 write_webm_seek_element(ebml, Cues, ebml->cue_pos); 00576 write_webm_seek_element(ebml, Info, ebml->segment_info_pos); 00577 Ebml_EndSubElement(ebml, &start); 00578 } 00579 { 00580 //segment info 00581 EbmlLoc startInfo; 00582 uint64_t frame_time; 00583 00584 frame_time = (uint64_t)1000 * ebml->framerate.den 00585 / ebml->framerate.num; 00586 ebml->segment_info_pos = ftello(ebml->stream); 00587 Ebml_StartSubElement(ebml, &startInfo, Info); 00588 Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000); 00589 Ebml_SerializeFloat(ebml, Segment_Duration, 00590 ebml->last_pts_ms + frame_time); 00591 Ebml_SerializeString(ebml, 0x4D80, 00592 ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING); 00593 Ebml_SerializeString(ebml, 0x5741, 00594 ebml->debug ? "vpxenc" : "vpxenc" VERSION_STRING); 00595 Ebml_EndSubElement(ebml, &startInfo); 00596 } 00597 } 00598 00599 00600 static void 00601 write_webm_file_header(EbmlGlobal *glob, 00602 const vpx_codec_enc_cfg_t *cfg, 00603 const struct vpx_rational *fps) 00604 { 00605 { 00606 EbmlLoc start; 00607 Ebml_StartSubElement(glob, &start, EBML); 00608 Ebml_SerializeUnsigned(glob, EBMLVersion, 1); 00609 Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1); //EBML Read Version 00610 Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4); //EBML Max ID Length 00611 Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8); //EBML Max Size Length 00612 Ebml_SerializeString(glob, DocType, "webm"); //Doc Type 00613 Ebml_SerializeUnsigned(glob, DocTypeVersion, 2); //Doc Type Version 00614 Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2); //Doc Type Read Version 00615 Ebml_EndSubElement(glob, &start); 00616 } 00617 { 00618 Ebml_StartSubElement(glob, &glob->startSegment, Segment); //segment 00619 glob->position_reference = ftello(glob->stream); 00620 glob->framerate = *fps; 00621 write_webm_seek_info(glob); 00622 00623 { 00624 EbmlLoc trackStart; 00625 glob->track_pos = ftello(glob->stream); 00626 Ebml_StartSubElement(glob, &trackStart, Tracks); 00627 { 00628 unsigned int trackNumber = 1; 00629 uint64_t trackID = 0; 00630 00631 EbmlLoc start; 00632 Ebml_StartSubElement(glob, &start, TrackEntry); 00633 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber); 00634 glob->track_id_pos = ftello(glob->stream); 00635 Ebml_SerializeUnsigned32(glob, TrackUID, trackID); 00636 Ebml_SerializeUnsigned(glob, TrackType, 1); //video is always 1 00637 Ebml_SerializeString(glob, CodecID, "V_VP8"); 00638 { 00639 unsigned int pixelWidth = cfg->g_w; 00640 unsigned int pixelHeight = cfg->g_h; 00641 float frameRate = (float)fps->num/(float)fps->den; 00642 00643 EbmlLoc videoStart; 00644 Ebml_StartSubElement(glob, &videoStart, Video); 00645 Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth); 00646 Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight); 00647 Ebml_SerializeFloat(glob, FrameRate, frameRate); 00648 Ebml_EndSubElement(glob, &videoStart); //Video 00649 } 00650 Ebml_EndSubElement(glob, &start); //Track Entry 00651 } 00652 Ebml_EndSubElement(glob, &trackStart); 00653 } 00654 // segment element is open 00655 } 00656 } 00657 00658 00659 static void 00660 write_webm_block(EbmlGlobal *glob, 00661 const vpx_codec_enc_cfg_t *cfg, 00662 const vpx_codec_cx_pkt_t *pkt) 00663 { 00664 unsigned long block_length; 00665 unsigned char track_number; 00666 unsigned short block_timecode = 0; 00667 unsigned char flags; 00668 int64_t pts_ms; 00669 int start_cluster = 0, is_keyframe; 00670 00671 /* Calculate the PTS of this frame in milliseconds */ 00672 pts_ms = pkt->data.frame.pts * 1000 00673 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den; 00674 if(pts_ms <= glob->last_pts_ms) 00675 pts_ms = glob->last_pts_ms + 1; 00676 glob->last_pts_ms = pts_ms; 00677 00678 /* Calculate the relative time of this block */ 00679 if(pts_ms - glob->cluster_timecode > SHRT_MAX) 00680 start_cluster = 1; 00681 else 00682 block_timecode = pts_ms - glob->cluster_timecode; 00683 00684 is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY); 00685 if(start_cluster || is_keyframe) 00686 { 00687 if(glob->cluster_open) 00688 Ebml_EndSubElement(glob, &glob->startCluster); 00689 00690 /* Open the new cluster */ 00691 block_timecode = 0; 00692 glob->cluster_open = 1; 00693 glob->cluster_timecode = pts_ms; 00694 glob->cluster_pos = ftello(glob->stream); 00695 Ebml_StartSubElement(glob, &glob->startCluster, Cluster); //cluster 00696 Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode); 00697 00698 /* Save a cue point if this is a keyframe. */ 00699 if(is_keyframe) 00700 { 00701 struct cue_entry *cue; 00702 00703 glob->cue_list = realloc(glob->cue_list, 00704 (glob->cues+1) * sizeof(struct cue_entry)); 00705 cue = &glob->cue_list[glob->cues]; 00706 cue->time = glob->cluster_timecode; 00707 cue->loc = glob->cluster_pos; 00708 glob->cues++; 00709 } 00710 } 00711 00712 /* Write the Simple Block */ 00713 Ebml_WriteID(glob, SimpleBlock); 00714 00715 block_length = pkt->data.frame.sz + 4; 00716 block_length |= 0x10000000; 00717 Ebml_Serialize(glob, &block_length, 4); 00718 00719 track_number = 1; 00720 track_number |= 0x80; 00721 Ebml_Write(glob, &track_number, 1); 00722 00723 Ebml_Serialize(glob, &block_timecode, 2); 00724 00725 flags = 0; 00726 if(is_keyframe) 00727 flags |= 0x80; 00728 if(pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE) 00729 flags |= 0x08; 00730 Ebml_Write(glob, &flags, 1); 00731 00732 Ebml_Write(glob, pkt->data.frame.buf, pkt->data.frame.sz); 00733 } 00734 00735 00736 static void 00737 write_webm_file_footer(EbmlGlobal *glob, long hash) 00738 { 00739 00740 if(glob->cluster_open) 00741 Ebml_EndSubElement(glob, &glob->startCluster); 00742 00743 { 00744 EbmlLoc start; 00745 int i; 00746 00747 glob->cue_pos = ftello(glob->stream); 00748 Ebml_StartSubElement(glob, &start, Cues); 00749 for(i=0; i<glob->cues; i++) 00750 { 00751 struct cue_entry *cue = &glob->cue_list[i]; 00752 EbmlLoc start; 00753 00754 Ebml_StartSubElement(glob, &start, CuePoint); 00755 { 00756 EbmlLoc start; 00757 00758 Ebml_SerializeUnsigned(glob, CueTime, cue->time); 00759 00760 Ebml_StartSubElement(glob, &start, CueTrackPositions); 00761 Ebml_SerializeUnsigned(glob, CueTrack, 1); 00762 Ebml_SerializeUnsigned64(glob, CueClusterPosition, 00763 cue->loc - glob->position_reference); 00764 //Ebml_SerializeUnsigned(glob, CueBlockNumber, cue->blockNumber); 00765 Ebml_EndSubElement(glob, &start); 00766 } 00767 Ebml_EndSubElement(glob, &start); 00768 } 00769 Ebml_EndSubElement(glob, &start); 00770 } 00771 00772 Ebml_EndSubElement(glob, &glob->startSegment); 00773 00774 /* Patch up the seek info block */ 00775 write_webm_seek_info(glob); 00776 00777 /* Patch up the track id */ 00778 fseeko(glob->stream, glob->track_id_pos, SEEK_SET); 00779 Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash); 00780 00781 fseeko(glob->stream, 0, SEEK_END); 00782 } 00783 00784 00785 /* Murmur hash derived from public domain reference implementation at 00786 * http://sites.google.com/site/murmurhash/ 00787 */ 00788 static unsigned int murmur ( const void * key, int len, unsigned int seed ) 00789 { 00790 const unsigned int m = 0x5bd1e995; 00791 const int r = 24; 00792 00793 unsigned int h = seed ^ len; 00794 00795 const unsigned char * data = (const unsigned char *)key; 00796 00797 while(len >= 4) 00798 { 00799 unsigned int k; 00800 00801 k = data[0]; 00802 k |= data[1] << 8; 00803 k |= data[2] << 16; 00804 k |= data[3] << 24; 00805 00806 k *= m; 00807 k ^= k >> r; 00808 k *= m; 00809 00810 h *= m; 00811 h ^= k; 00812 00813 data += 4; 00814 len -= 4; 00815 } 00816 00817 switch(len) 00818 { 00819 case 3: h ^= data[2] << 16; 00820 case 2: h ^= data[1] << 8; 00821 case 1: h ^= data[0]; 00822 h *= m; 00823 }; 00824 00825 h ^= h >> 13; 00826 h *= m; 00827 h ^= h >> 15; 00828 00829 return h; 00830 } 00831 00832 #include "math.h" 00833 00834 static double vp8_mse2psnr(double Samples, double Peak, double Mse) 00835 { 00836 double psnr; 00837 00838 if ((double)Mse > 0.0) 00839 psnr = 10.0 * log10(Peak * Peak * Samples / Mse); 00840 else 00841 psnr = 60; // Limit to prevent / 0 00842 00843 if (psnr > 60) 00844 psnr = 60; 00845 00846 return psnr; 00847 } 00848 00849 00850 #include "args.h" 00851 00852 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0, 00853 "Debug mode (makes output deterministic)"); 00854 static const arg_def_t outputfile = ARG_DEF("o", "output", 1, 00855 "Output filename"); 00856 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0, 00857 "Input file is YV12 "); 00858 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0, 00859 "Input file is I420 (default)"); 00860 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1, 00861 "Codec to use"); 00862 static const arg_def_t passes = ARG_DEF("p", "passes", 1, 00863 "Number of passes (1/2)"); 00864 static const arg_def_t pass_arg = ARG_DEF(NULL, "pass", 1, 00865 "Pass to execute (1/2)"); 00866 static const arg_def_t fpf_name = ARG_DEF(NULL, "fpf", 1, 00867 "First pass statistics file name"); 00868 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1, 00869 "Stop encoding after n input frames"); 00870 static const arg_def_t deadline = ARG_DEF("d", "deadline", 1, 00871 "Deadline per frame (usec)"); 00872 static const arg_def_t best_dl = ARG_DEF(NULL, "best", 0, 00873 "Use Best Quality Deadline"); 00874 static const arg_def_t good_dl = ARG_DEF(NULL, "good", 0, 00875 "Use Good Quality Deadline"); 00876 static const arg_def_t rt_dl = ARG_DEF(NULL, "rt", 0, 00877 "Use Realtime Quality Deadline"); 00878 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0, 00879 "Show encoder parameters"); 00880 static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0, 00881 "Show PSNR in status line"); 00882 static const arg_def_t framerate = ARG_DEF(NULL, "fps", 1, 00883 "Stream frame rate (rate/scale)"); 00884 static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0, 00885 "Output IVF (default is WebM)"); 00886 static const arg_def_t *main_args[] = 00887 { 00888 &debugmode, 00889 &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline, 00890 &best_dl, &good_dl, &rt_dl, 00891 &verbosearg, &psnrarg, &use_ivf, &framerate, 00892 NULL 00893 }; 00894 00895 static const arg_def_t usage = ARG_DEF("u", "usage", 1, 00896 "Usage profile number to use"); 00897 static const arg_def_t threads = ARG_DEF("t", "threads", 1, 00898 "Max number of threads to use"); 00899 static const arg_def_t profile = ARG_DEF(NULL, "profile", 1, 00900 "Bitstream profile number to use"); 00901 static const arg_def_t width = ARG_DEF("w", "width", 1, 00902 "Frame width"); 00903 static const arg_def_t height = ARG_DEF("h", "height", 1, 00904 "Frame height"); 00905 static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1, 00906 "Stream timebase (frame duration)"); 00907 static const arg_def_t error_resilient = ARG_DEF(NULL, "error-resilient", 1, 00908 "Enable error resiliency features"); 00909 static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1, 00910 "Max number of frames to lag"); 00911 00912 static const arg_def_t *global_args[] = 00913 { 00914 &use_yv12, &use_i420, &usage, &threads, &profile, 00915 &width, &height, &timebase, &framerate, &error_resilient, 00916 &lag_in_frames, NULL 00917 }; 00918 00919 static const arg_def_t dropframe_thresh = ARG_DEF(NULL, "drop-frame", 1, 00920 "Temporal resampling threshold (buf %)"); 00921 static const arg_def_t resize_allowed = ARG_DEF(NULL, "resize-allowed", 1, 00922 "Spatial resampling enabled (bool)"); 00923 static const arg_def_t resize_up_thresh = ARG_DEF(NULL, "resize-up", 1, 00924 "Upscale threshold (buf %)"); 00925 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1, 00926 "Downscale threshold (buf %)"); 00927 static const arg_def_t end_usage = ARG_DEF(NULL, "end-usage", 1, 00928 "VBR=0 | CBR=1 | CQ=2"); 00929 static const arg_def_t target_bitrate = ARG_DEF(NULL, "target-bitrate", 1, 00930 "Bitrate (kbps)"); 00931 static const arg_def_t min_quantizer = ARG_DEF(NULL, "min-q", 1, 00932 "Minimum (best) quantizer"); 00933 static const arg_def_t max_quantizer = ARG_DEF(NULL, "max-q", 1, 00934 "Maximum (worst) quantizer"); 00935 static const arg_def_t undershoot_pct = ARG_DEF(NULL, "undershoot-pct", 1, 00936 "Datarate undershoot (min) target (%)"); 00937 static const arg_def_t overshoot_pct = ARG_DEF(NULL, "overshoot-pct", 1, 00938 "Datarate overshoot (max) target (%)"); 00939 static const arg_def_t buf_sz = ARG_DEF(NULL, "buf-sz", 1, 00940 "Client buffer size (ms)"); 00941 static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1, 00942 "Client initial buffer size (ms)"); 00943 static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1, 00944 "Client optimal buffer size (ms)"); 00945 static const arg_def_t *rc_args[] = 00946 { 00947 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh, 00948 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer, 00949 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz, 00950 NULL 00951 }; 00952 00953 00954 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1, 00955 "CBR/VBR bias (0=CBR, 100=VBR)"); 00956 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1, 00957 "GOP min bitrate (% of target)"); 00958 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1, 00959 "GOP max bitrate (% of target)"); 00960 static const arg_def_t *rc_twopass_args[] = 00961 { 00962 &bias_pct, &minsection_pct, &maxsection_pct, NULL 00963 }; 00964 00965 00966 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1, 00967 "Minimum keyframe interval (frames)"); 00968 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1, 00969 "Maximum keyframe interval (frames)"); 00970 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0, 00971 "Disable keyframe placement"); 00972 static const arg_def_t *kf_args[] = 00973 { 00974 &kf_min_dist, &kf_max_dist, &kf_disabled, NULL 00975 }; 00976 00977 00978 #if CONFIG_VP8_ENCODER 00979 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1, 00980 "Noise sensitivity (frames to blur)"); 00981 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1, 00982 "Filter sharpness (0-7)"); 00983 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1, 00984 "Motion detection threshold"); 00985 #endif 00986 00987 #if CONFIG_VP8_ENCODER 00988 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1, 00989 "CPU Used (-16..16)"); 00990 #endif 00991 00992 00993 #if CONFIG_VP8_ENCODER 00994 static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1, 00995 "Number of token partitions to use, log2"); 00996 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1, 00997 "Enable automatic alt reference frames"); 00998 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1, 00999 "AltRef Max Frames"); 01000 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1, 01001 "AltRef Strength"); 01002 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1, 01003 "AltRef Type"); 01004 static const struct arg_enum_list tuning_enum[] = { 01005 {"psnr", VP8_TUNE_PSNR}, 01006 {"ssim", VP8_TUNE_SSIM}, 01007 {NULL, 0} 01008 }; 01009 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1, 01010 "Material to favor", tuning_enum); 01011 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1, 01012 "Constrained Quality Level"); 01013 01014 static const arg_def_t *vp8_args[] = 01015 { 01016 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh, 01017 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type, 01018 &tune_ssim, &cq_level, NULL 01019 }; 01020 static const int vp8_arg_ctrl_map[] = 01021 { 01022 VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF, 01023 VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD, 01024 VP8E_SET_TOKEN_PARTITIONS, 01025 VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH , VP8E_SET_ARNR_TYPE, 01026 VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, 0 01027 }; 01028 #endif 01029 01030 static const arg_def_t *no_args[] = { NULL }; 01031 01032 static void usage_exit() 01033 { 01034 int i; 01035 01036 fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n", 01037 exec_name); 01038 01039 fprintf(stderr, "\nOptions:\n"); 01040 arg_show_usage(stdout, main_args); 01041 fprintf(stderr, "\nEncoder Global Options:\n"); 01042 arg_show_usage(stdout, global_args); 01043 fprintf(stderr, "\nRate Control Options:\n"); 01044 arg_show_usage(stdout, rc_args); 01045 fprintf(stderr, "\nTwopass Rate Control Options:\n"); 01046 arg_show_usage(stdout, rc_twopass_args); 01047 fprintf(stderr, "\nKeyframe Placement Options:\n"); 01048 arg_show_usage(stdout, kf_args); 01049 #if CONFIG_VP8_ENCODER 01050 fprintf(stderr, "\nVP8 Specific Options:\n"); 01051 arg_show_usage(stdout, vp8_args); 01052 #endif 01053 fprintf(stderr, "\n" 01054 "Included encoders:\n" 01055 "\n"); 01056 01057 for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++) 01058 fprintf(stderr, " %-6s - %s\n", 01059 codecs[i].name, 01060 vpx_codec_iface_name(codecs[i].iface)); 01061 01062 exit(EXIT_FAILURE); 01063 } 01064 01065 #define ARG_CTRL_CNT_MAX 10 01066 01067 01068 int main(int argc, const char **argv_) 01069 { 01070 vpx_codec_ctx_t encoder; 01071 const char *in_fn = NULL, *out_fn = NULL, *stats_fn = NULL; 01072 int i; 01073 FILE *infile, *outfile; 01074 vpx_codec_enc_cfg_t cfg; 01075 vpx_codec_err_t res; 01076 int pass, one_pass_only = 0; 01077 stats_io_t stats; 01078 vpx_image_t raw; 01079 const struct codec_item *codec = codecs; 01080 int frame_avail, got_data; 01081 01082 struct arg arg; 01083 char **argv, **argi, **argj; 01084 int arg_usage = 0, arg_passes = 1, arg_deadline = 0; 01085 int arg_ctrls[ARG_CTRL_CNT_MAX][2], arg_ctrl_cnt = 0; 01086 int arg_limit = 0; 01087 static const arg_def_t **ctrl_args = no_args; 01088 static const int *ctrl_args_map = NULL; 01089 int verbose = 0, show_psnr = 0; 01090 int arg_use_i420 = 1; 01091 unsigned long cx_time = 0; 01092 unsigned int file_type, fourcc; 01093 y4m_input y4m; 01094 struct vpx_rational arg_framerate = {30, 1}; 01095 int arg_have_framerate = 0; 01096 int write_webm = 1; 01097 EbmlGlobal ebml = {0}; 01098 uint32_t hash = 0; 01099 uint64_t psnr_sse_total = 0; 01100 uint64_t psnr_samples_total = 0; 01101 double psnr_totals[4] = {0, 0, 0, 0}; 01102 int psnr_count = 0; 01103 01104 exec_name = argv_[0]; 01105 ebml.last_pts_ms = -1; 01106 01107 if (argc < 3) 01108 usage_exit(); 01109 01110 01111 /* First parse the codec and usage values, because we want to apply other 01112 * parameters on top of the default configuration provided by the codec. 01113 */ 01114 argv = argv_dup(argc - 1, argv_ + 1); 01115 01116 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) 01117 { 01118 arg.argv_step = 1; 01119 01120 if (arg_match(&arg, &codecarg, argi)) 01121 { 01122 int j, k = -1; 01123 01124 for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++) 01125 if (!strcmp(codecs[j].name, arg.val)) 01126 k = j; 01127 01128 if (k >= 0) 01129 codec = codecs + k; 01130 else 01131 die("Error: Unrecognized argument (%s) to --codec\n", 01132 arg.val); 01133 01134 } 01135 else if (arg_match(&arg, &passes, argi)) 01136 { 01137 arg_passes = arg_parse_uint(&arg); 01138 01139 if (arg_passes < 1 || arg_passes > 2) 01140 die("Error: Invalid number of passes (%d)\n", arg_passes); 01141 } 01142 else if (arg_match(&arg, &pass_arg, argi)) 01143 { 01144 one_pass_only = arg_parse_uint(&arg); 01145 01146 if (one_pass_only < 1 || one_pass_only > 2) 01147 die("Error: Invalid pass selected (%d)\n", one_pass_only); 01148 } 01149 else if (arg_match(&arg, &fpf_name, argi)) 01150 stats_fn = arg.val; 01151 else if (arg_match(&arg, &usage, argi)) 01152 arg_usage = arg_parse_uint(&arg); 01153 else if (arg_match(&arg, &deadline, argi)) 01154 arg_deadline = arg_parse_uint(&arg); 01155 else if (arg_match(&arg, &best_dl, argi)) 01156 arg_deadline = VPX_DL_BEST_QUALITY; 01157 else if (arg_match(&arg, &good_dl, argi)) 01158 arg_deadline = VPX_DL_GOOD_QUALITY; 01159 else if (arg_match(&arg, &rt_dl, argi)) 01160 arg_deadline = VPX_DL_REALTIME; 01161 else if (arg_match(&arg, &use_yv12, argi)) 01162 { 01163 arg_use_i420 = 0; 01164 } 01165 else if (arg_match(&arg, &use_i420, argi)) 01166 { 01167 arg_use_i420 = 1; 01168 } 01169 else if (arg_match(&arg, &verbosearg, argi)) 01170 verbose = 1; 01171 else if (arg_match(&arg, &limit, argi)) 01172 arg_limit = arg_parse_uint(&arg); 01173 else if (arg_match(&arg, &psnrarg, argi)) 01174 show_psnr = 1; 01175 else if (arg_match(&arg, &framerate, argi)) 01176 { 01177 arg_framerate = arg_parse_rational(&arg); 01178 arg_have_framerate = 1; 01179 } 01180 else if (arg_match(&arg, &use_ivf, argi)) 01181 write_webm = 0; 01182 else if (arg_match(&arg, &outputfile, argi)) 01183 out_fn = arg.val; 01184 else if (arg_match(&arg, &debugmode, argi)) 01185 ebml.debug = 1; 01186 else 01187 argj++; 01188 } 01189 01190 /* Ensure that --passes and --pass are consistent. If --pass is set and --passes=2, 01191 * ensure --fpf was set. 01192 */ 01193 if (one_pass_only) 01194 { 01195 /* DWIM: Assume the user meant passes=2 if pass=2 is specified */ 01196 if (one_pass_only > arg_passes) 01197 { 01198 fprintf(stderr, "Warning: Assuming --pass=%d implies --passes=%d\n", 01199 one_pass_only, one_pass_only); 01200 arg_passes = one_pass_only; 01201 } 01202 01203 if (arg_passes == 2 && !stats_fn) 01204 die("Must specify --fpf when --pass=%d and --passes=2\n", one_pass_only); 01205 } 01206 01207 /* Populate encoder configuration */ 01208 res = vpx_codec_enc_config_default(codec->iface, &cfg, arg_usage); 01209 01210 if (res) 01211 { 01212 fprintf(stderr, "Failed to get config: %s\n", 01213 vpx_codec_err_to_string(res)); 01214 return EXIT_FAILURE; 01215 } 01216 01217 /* Change the default timebase to a high enough value so that the encoder 01218 * will always create strictly increasing timestamps. 01219 */ 01220 cfg.g_timebase.den = 1000; 01221 01222 /* Never use the library's default resolution, require it be parsed 01223 * from the file or set on the command line. 01224 */ 01225 cfg.g_w = 0; 01226 cfg.g_h = 0; 01227 01228 /* Now parse the remainder of the parameters. */ 01229 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) 01230 { 01231 arg.argv_step = 1; 01232 01233 if (0); 01234 else if (arg_match(&arg, &threads, argi)) 01235 cfg.g_threads = arg_parse_uint(&arg); 01236 else if (arg_match(&arg, &profile, argi)) 01237 cfg.g_profile = arg_parse_uint(&arg); 01238 else if (arg_match(&arg, &width, argi)) 01239 cfg.g_w = arg_parse_uint(&arg); 01240 else if (arg_match(&arg, &height, argi)) 01241 cfg.g_h = arg_parse_uint(&arg); 01242 else if (arg_match(&arg, &timebase, argi)) 01243 cfg.g_timebase = arg_parse_rational(&arg); 01244 else if (arg_match(&arg, &error_resilient, argi)) 01245 cfg.g_error_resilient = arg_parse_uint(&arg); 01246 else if (arg_match(&arg, &lag_in_frames, argi)) 01247 cfg.g_lag_in_frames = arg_parse_uint(&arg); 01248 else if (arg_match(&arg, &dropframe_thresh, argi)) 01249 cfg.rc_dropframe_thresh = arg_parse_uint(&arg); 01250 else if (arg_match(&arg, &resize_allowed, argi)) 01251 cfg.rc_resize_allowed = arg_parse_uint(&arg); 01252 else if (arg_match(&arg, &resize_up_thresh, argi)) 01253 cfg.rc_resize_up_thresh = arg_parse_uint(&arg); 01254 else if (arg_match(&arg, &resize_down_thresh, argi)) 01255 cfg.rc_resize_down_thresh = arg_parse_uint(&arg); 01256 else if (arg_match(&arg, &resize_down_thresh, argi)) 01257 cfg.rc_resize_down_thresh = arg_parse_uint(&arg); 01258 else if (arg_match(&arg, &end_usage, argi)) 01259 cfg.rc_end_usage = arg_parse_uint(&arg); 01260 else if (arg_match(&arg, &target_bitrate, argi)) 01261 cfg.rc_target_bitrate = arg_parse_uint(&arg); 01262 else if (arg_match(&arg, &min_quantizer, argi)) 01263 cfg.rc_min_quantizer = arg_parse_uint(&arg); 01264 else if (arg_match(&arg, &max_quantizer, argi)) 01265 cfg.rc_max_quantizer = arg_parse_uint(&arg); 01266 else if (arg_match(&arg, &undershoot_pct, argi)) 01267 cfg.rc_undershoot_pct = arg_parse_uint(&arg); 01268 else if (arg_match(&arg, &overshoot_pct, argi)) 01269 cfg.rc_overshoot_pct = arg_parse_uint(&arg); 01270 else if (arg_match(&arg, &buf_sz, argi)) 01271 cfg.rc_buf_sz = arg_parse_uint(&arg); 01272 else if (arg_match(&arg, &buf_initial_sz, argi)) 01273 cfg.rc_buf_initial_sz = arg_parse_uint(&arg); 01274 else if (arg_match(&arg, &buf_optimal_sz, argi)) 01275 cfg.rc_buf_optimal_sz = arg_parse_uint(&arg); 01276 else if (arg_match(&arg, &bias_pct, argi)) 01277 { 01278 cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg); 01279 01280 if (arg_passes < 2) 01281 fprintf(stderr, 01282 "Warning: option %s ignored in one-pass mode.\n", 01283 arg.name); 01284 } 01285 else if (arg_match(&arg, &minsection_pct, argi)) 01286 { 01287 cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg); 01288 01289 if (arg_passes < 2) 01290 fprintf(stderr, 01291 "Warning: option %s ignored in one-pass mode.\n", 01292 arg.name); 01293 } 01294 else if (arg_match(&arg, &maxsection_pct, argi)) 01295 { 01296 cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg); 01297 01298 if (arg_passes < 2) 01299 fprintf(stderr, 01300 "Warning: option %s ignored in one-pass mode.\n", 01301 arg.name); 01302 } 01303 else if (arg_match(&arg, &kf_min_dist, argi)) 01304 cfg.kf_min_dist = arg_parse_uint(&arg); 01305 else if (arg_match(&arg, &kf_max_dist, argi)) 01306 cfg.kf_max_dist = arg_parse_uint(&arg); 01307 else if (arg_match(&arg, &kf_disabled, argi)) 01308 cfg.kf_mode = VPX_KF_DISABLED; 01309 else 01310 argj++; 01311 } 01312 01313 /* Handle codec specific options */ 01314 #if CONFIG_VP8_ENCODER 01315 01316 if (codec->iface == &vpx_codec_vp8_cx_algo) 01317 { 01318 ctrl_args = vp8_args; 01319 ctrl_args_map = vp8_arg_ctrl_map; 01320 } 01321 01322 #endif 01323 01324 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step) 01325 { 01326 int match = 0; 01327 01328 arg.argv_step = 1; 01329 01330 for (i = 0; ctrl_args[i]; i++) 01331 { 01332 if (arg_match(&arg, ctrl_args[i], argi)) 01333 { 01334 match = 1; 01335 01336 if (arg_ctrl_cnt < ARG_CTRL_CNT_MAX) 01337 { 01338 arg_ctrls[arg_ctrl_cnt][0] = ctrl_args_map[i]; 01339 arg_ctrls[arg_ctrl_cnt][1] = arg_parse_enum_or_int(&arg); 01340 arg_ctrl_cnt++; 01341 } 01342 } 01343 } 01344 01345 if (!match) 01346 argj++; 01347 } 01348 01349 /* Check for unrecognized options */ 01350 for (argi = argv; *argi; argi++) 01351 if (argi[0][0] == '-' && argi[0][1]) 01352 die("Error: Unrecognized option %s\n", *argi); 01353 01354 /* Handle non-option arguments */ 01355 in_fn = argv[0]; 01356 01357 if (!in_fn) 01358 usage_exit(); 01359 01360 if(!out_fn) 01361 die("Error: Output file is required (specify with -o)\n"); 01362 01363 memset(&stats, 0, sizeof(stats)); 01364 01365 for (pass = one_pass_only ? one_pass_only - 1 : 0; pass < arg_passes; pass++) 01366 { 01367 int frames_in = 0, frames_out = 0; 01368 unsigned long nbytes = 0; 01369 struct detect_buffer detect; 01370 01371 /* Parse certain options from the input file, if possible */ 01372 infile = strcmp(in_fn, "-") ? fopen(in_fn, "rb") 01373 : set_binary_mode(stdin); 01374 01375 if (!infile) 01376 { 01377 fprintf(stderr, "Failed to open input file\n"); 01378 return EXIT_FAILURE; 01379 } 01380 01381 /* For RAW input sources, these bytes will applied on the first frame 01382 * in read_frame(). 01383 */ 01384 detect.buf_read = fread(detect.buf, 1, 4, infile); 01385 detect.position = 0; 01386 01387 if (detect.buf_read == 4 && file_is_y4m(infile, &y4m, detect.buf)) 01388 { 01389 if (y4m_input_open(&y4m, infile, detect.buf, 4) >= 0) 01390 { 01391 file_type = FILE_TYPE_Y4M; 01392 cfg.g_w = y4m.pic_w; 01393 cfg.g_h = y4m.pic_h; 01394 01395 /* Use the frame rate from the file only if none was specified 01396 * on the command-line. 01397 */ 01398 if (!arg_have_framerate) 01399 { 01400 arg_framerate.num = y4m.fps_n; 01401 arg_framerate.den = y4m.fps_d; 01402 } 01403 01404 arg_use_i420 = 0; 01405 } 01406 else 01407 { 01408 fprintf(stderr, "Unsupported Y4M stream.\n"); 01409 return EXIT_FAILURE; 01410 } 01411 } 01412 else if (detect.buf_read == 4 && 01413 file_is_ivf(infile, &fourcc, &cfg.g_w, &cfg.g_h, &detect)) 01414 { 01415 file_type = FILE_TYPE_IVF; 01416 switch (fourcc) 01417 { 01418 case 0x32315659: 01419 arg_use_i420 = 0; 01420 break; 01421 case 0x30323449: 01422 arg_use_i420 = 1; 01423 break; 01424 default: 01425 fprintf(stderr, "Unsupported fourcc (%08x) in IVF\n", fourcc); 01426 return EXIT_FAILURE; 01427 } 01428 } 01429 else 01430 { 01431 file_type = FILE_TYPE_RAW; 01432 } 01433 01434 if(!cfg.g_w || !cfg.g_h) 01435 { 01436 fprintf(stderr, "Specify stream dimensions with --width (-w) " 01437 " and --height (-h).\n"); 01438 return EXIT_FAILURE; 01439 } 01440 01441 #define SHOW(field) fprintf(stderr, " %-28s = %d\n", #field, cfg.field) 01442 01443 if (verbose && pass == 0) 01444 { 01445 fprintf(stderr, "Codec: %s\n", vpx_codec_iface_name(codec->iface)); 01446 fprintf(stderr, "Source file: %s Format: %s\n", in_fn, 01447 arg_use_i420 ? "I420" : "YV12"); 01448 fprintf(stderr, "Destination file: %s\n", out_fn); 01449 fprintf(stderr, "Encoder parameters:\n"); 01450 01451 SHOW(g_usage); 01452 SHOW(g_threads); 01453 SHOW(g_profile); 01454 SHOW(g_w); 01455 SHOW(g_h); 01456 SHOW(g_timebase.num); 01457 SHOW(g_timebase.den); 01458 SHOW(g_error_resilient); 01459 SHOW(g_pass); 01460 SHOW(g_lag_in_frames); 01461 SHOW(rc_dropframe_thresh); 01462 SHOW(rc_resize_allowed); 01463 SHOW(rc_resize_up_thresh); 01464 SHOW(rc_resize_down_thresh); 01465 SHOW(rc_end_usage); 01466 SHOW(rc_target_bitrate); 01467 SHOW(rc_min_quantizer); 01468 SHOW(rc_max_quantizer); 01469 SHOW(rc_undershoot_pct); 01470 SHOW(rc_overshoot_pct); 01471 SHOW(rc_buf_sz); 01472 SHOW(rc_buf_initial_sz); 01473 SHOW(rc_buf_optimal_sz); 01474 SHOW(rc_2pass_vbr_bias_pct); 01475 SHOW(rc_2pass_vbr_minsection_pct); 01476 SHOW(rc_2pass_vbr_maxsection_pct); 01477 SHOW(kf_mode); 01478 SHOW(kf_min_dist); 01479 SHOW(kf_max_dist); 01480 } 01481 01482 if(pass == (one_pass_only ? one_pass_only - 1 : 0)) { 01483 if (file_type == FILE_TYPE_Y4M) 01484 /*The Y4M reader does its own allocation. 01485 Just initialize this here to avoid problems if we never read any 01486 frames.*/ 01487 memset(&raw, 0, sizeof(raw)); 01488 else 01489 vpx_img_alloc(&raw, arg_use_i420 ? VPX_IMG_FMT_I420 : VPX_IMG_FMT_YV12, 01490 cfg.g_w, cfg.g_h, 1); 01491 } 01492 01493 outfile = strcmp(out_fn, "-") ? fopen(out_fn, "wb") 01494 : set_binary_mode(stdout); 01495 01496 if (!outfile) 01497 { 01498 fprintf(stderr, "Failed to open output file\n"); 01499 return EXIT_FAILURE; 01500 } 01501 01502 if(write_webm && fseek(outfile, 0, SEEK_CUR)) 01503 { 01504 fprintf(stderr, "WebM output to pipes not supported.\n"); 01505 return EXIT_FAILURE; 01506 } 01507 01508 if (stats_fn) 01509 { 01510 if (!stats_open_file(&stats, stats_fn, pass)) 01511 { 01512 fprintf(stderr, "Failed to open statistics store\n"); 01513 return EXIT_FAILURE; 01514 } 01515 } 01516 else 01517 { 01518 if (!stats_open_mem(&stats, pass)) 01519 { 01520 fprintf(stderr, "Failed to open statistics store\n"); 01521 return EXIT_FAILURE; 01522 } 01523 } 01524 01525 cfg.g_pass = arg_passes == 2 01526 ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS 01527 : VPX_RC_ONE_PASS; 01528 #if VPX_ENCODER_ABI_VERSION > (1 + VPX_CODEC_ABI_VERSION) 01529 01530 if (pass) 01531 { 01532 cfg.rc_twopass_stats_in = stats_get(&stats); 01533 } 01534 01535 #endif 01536 01537 if(write_webm) 01538 { 01539 ebml.stream = outfile; 01540 write_webm_file_header(&ebml, &cfg, &arg_framerate); 01541 } 01542 else 01543 write_ivf_file_header(outfile, &cfg, codec->fourcc, 0); 01544 01545 01546 /* Construct Encoder Context */ 01547 vpx_codec_enc_init(&encoder, codec->iface, &cfg, 01548 show_psnr ? VPX_CODEC_USE_PSNR : 0); 01549 ctx_exit_on_error(&encoder, "Failed to initialize encoder"); 01550 01551 /* Note that we bypass the vpx_codec_control wrapper macro because 01552 * we're being clever to store the control IDs in an array. Real 01553 * applications will want to make use of the enumerations directly 01554 */ 01555 for (i = 0; i < arg_ctrl_cnt; i++) 01556 { 01557 if (vpx_codec_control_(&encoder, arg_ctrls[i][0], arg_ctrls[i][1])) 01558 fprintf(stderr, "Error: Tried to set control %d = %d\n", 01559 arg_ctrls[i][0], arg_ctrls[i][1]); 01560 01561 ctx_exit_on_error(&encoder, "Failed to control codec"); 01562 } 01563 01564 frame_avail = 1; 01565 got_data = 0; 01566 01567 while (frame_avail || got_data) 01568 { 01569 vpx_codec_iter_t iter = NULL; 01570 const vpx_codec_cx_pkt_t *pkt; 01571 struct vpx_usec_timer timer; 01572 int64_t frame_start, next_frame_start; 01573 01574 if (!arg_limit || frames_in < arg_limit) 01575 { 01576 frame_avail = read_frame(infile, &raw, file_type, &y4m, 01577 &detect); 01578 01579 if (frame_avail) 01580 frames_in++; 01581 01582 fprintf(stderr, 01583 "\rPass %d/%d frame %4d/%-4d %7ldB \033[K", pass + 1, 01584 arg_passes, frames_in, frames_out, nbytes); 01585 } 01586 else 01587 frame_avail = 0; 01588 01589 vpx_usec_timer_start(&timer); 01590 01591 frame_start = (cfg.g_timebase.den * (int64_t)(frames_in - 1) 01592 * arg_framerate.den) / cfg.g_timebase.num / arg_framerate.num; 01593 next_frame_start = (cfg.g_timebase.den * (int64_t)(frames_in) 01594 * arg_framerate.den) 01595 / cfg.g_timebase.num / arg_framerate.num; 01596 vpx_codec_encode(&encoder, frame_avail ? &raw : NULL, frame_start, 01597 next_frame_start - frame_start, 01598 0, arg_deadline); 01599 vpx_usec_timer_mark(&timer); 01600 cx_time += vpx_usec_timer_elapsed(&timer); 01601 ctx_exit_on_error(&encoder, "Failed to encode frame"); 01602 got_data = 0; 01603 01604 while ((pkt = vpx_codec_get_cx_data(&encoder, &iter))) 01605 { 01606 got_data = 1; 01607 01608 switch (pkt->kind) 01609 { 01610 case VPX_CODEC_CX_FRAME_PKT: 01611 frames_out++; 01612 fprintf(stderr, " %6luF", 01613 (unsigned long)pkt->data.frame.sz); 01614 01615 if(write_webm) 01616 { 01617 /* Update the hash */ 01618 if(!ebml.debug) 01619 hash = murmur(pkt->data.frame.buf, 01620 pkt->data.frame.sz, hash); 01621 01622 write_webm_block(&ebml, &cfg, pkt); 01623 } 01624 else 01625 { 01626 write_ivf_frame_header(outfile, pkt); 01627 if(fwrite(pkt->data.frame.buf, 1, 01628 pkt->data.frame.sz, outfile)); 01629 } 01630 nbytes += pkt->data.raw.sz; 01631 break; 01632 case VPX_CODEC_STATS_PKT: 01633 frames_out++; 01634 fprintf(stderr, " %6luS", 01635 (unsigned long)pkt->data.twopass_stats.sz); 01636 stats_write(&stats, 01637 pkt->data.twopass_stats.buf, 01638 pkt->data.twopass_stats.sz); 01639 nbytes += pkt->data.raw.sz; 01640 break; 01641 case VPX_CODEC_PSNR_PKT: 01642 01643 if (show_psnr) 01644 { 01645 int i; 01646 01647 psnr_sse_total += pkt->data.psnr.sse[0]; 01648 psnr_samples_total += pkt->data.psnr.samples[0]; 01649 for (i = 0; i < 4; i++) 01650 { 01651 fprintf(stderr, "%.3lf ", pkt->data.psnr.psnr[i]); 01652 psnr_totals[i] += pkt->data.psnr.psnr[i]; 01653 } 01654 psnr_count++; 01655 } 01656 01657 break; 01658 default: 01659 break; 01660 } 01661 } 01662 01663 fflush(stdout); 01664 } 01665 01666 fprintf(stderr, 01667 "\rPass %d/%d frame %4d/%-4d %7ldB %7ldb/f %7"PRId64"b/s" 01668 " %7lu %s (%.2f fps)\033[K", pass + 1, 01669 arg_passes, frames_in, frames_out, nbytes, nbytes * 8 / frames_in, 01670 nbytes * 8 *(int64_t)arg_framerate.num / arg_framerate.den / frames_in, 01671 cx_time > 9999999 ? cx_time / 1000 : cx_time, 01672 cx_time > 9999999 ? "ms" : "us", 01673 (float)frames_in * 1000000.0 / (float)cx_time); 01674 01675 if ( (show_psnr) && (psnr_count>0) ) 01676 { 01677 int i; 01678 double ovpsnr = vp8_mse2psnr(psnr_samples_total, 255.0, 01679 psnr_sse_total); 01680 01681 fprintf(stderr, "\nPSNR (Overall/Avg/Y/U/V)"); 01682 01683 fprintf(stderr, " %.3lf", ovpsnr); 01684 for (i = 0; i < 4; i++) 01685 { 01686 fprintf(stderr, " %.3lf", psnr_totals[i]/psnr_count); 01687 } 01688 } 01689 01690 vpx_codec_destroy(&encoder); 01691 01692 fclose(infile); 01693 01694 if(write_webm) 01695 { 01696 write_webm_file_footer(&ebml, hash); 01697 } 01698 else 01699 { 01700 if (!fseek(outfile, 0, SEEK_SET)) 01701 write_ivf_file_header(outfile, &cfg, codec->fourcc, frames_out); 01702 } 01703 01704 fclose(outfile); 01705 stats_close(&stats, arg_passes-1); 01706 fprintf(stderr, "\n"); 01707 01708 if (one_pass_only) 01709 break; 01710 } 01711 01712 vpx_img_free(&raw); 01713 free(argv); 01714 return EXIT_SUCCESS; 01715 }