00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
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 <assert.h>
00027 #include "vpx/vpx_encoder.h"
00028 #if USE_POSIX_MMAP
00029 #include <sys/types.h>
00030 #include <sys/stat.h>
00031 #include <sys/mman.h>
00032 #include <fcntl.h>
00033 #include <unistd.h>
00034 #endif
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
00044 #if defined(_MSC_VER)
00045
00046 typedef __int64 off_t;
00047 #define fseeko _fseeki64
00048 #define ftello _ftelli64
00049 #elif defined(_WIN32)
00050
00051
00052 #define fseeko fseeko64
00053 #define ftello ftello64
00054 #define off_t off64_t
00055 #endif
00056
00057 #define LITERALU64(hi,lo) ((((uint64_t)hi)<<32)|lo)
00058
00059
00060
00061 #if !CONFIG_OS_SUPPORT
00062 typedef long off_t;
00063 #define fseeko fseek
00064 #define ftello ftell
00065 #endif
00066
00067
00068 static size_t wrap_fread(void *ptr, size_t size, size_t nmemb,
00069 FILE *stream)
00070 {
00071 return fread(ptr, size, nmemb, stream);
00072 }
00073 #define fread wrap_fread
00074
00075 static size_t wrap_fwrite(const void *ptr, size_t size, size_t nmemb,
00076 FILE *stream)
00077 {
00078 return fwrite(ptr, size, nmemb, stream);
00079 }
00080 #define fwrite wrap_fwrite
00081
00082
00083 static const char *exec_name;
00084
00085 static const struct codec_item
00086 {
00087 char const *name;
00088 vpx_codec_iface_t *iface;
00089 unsigned int fourcc;
00090 } codecs[] =
00091 {
00092 #if CONFIG_VP8_ENCODER
00093 {"vp8", &vpx_codec_vp8_cx_algo, 0x30385056},
00094 #endif
00095 };
00096
00097 static void usage_exit();
00098
00099 #define LOG_ERROR(label) do \
00100 {\
00101 const char *l=label;\
00102 va_list ap;\
00103 va_start(ap, fmt);\
00104 if(l)\
00105 fprintf(stderr, "%s: ", l);\
00106 vfprintf(stderr, fmt, ap);\
00107 fprintf(stderr, "\n");\
00108 va_end(ap);\
00109 } while(0)
00110
00111 void die(const char *fmt, ...)
00112 {
00113 LOG_ERROR(NULL);
00114 usage_exit();
00115 }
00116
00117
00118 void fatal(const char *fmt, ...)
00119 {
00120 LOG_ERROR("Fatal");
00121 exit(EXIT_FAILURE);
00122 }
00123
00124
00125 void warn(const char *fmt, ...)
00126 {
00127 LOG_ERROR("Warning");
00128 }
00129
00130
00131 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s, ...)
00132 {
00133 va_list ap;
00134
00135 va_start(ap, s);
00136 if (ctx->err)
00137 {
00138 const char *detail = vpx_codec_error_detail(ctx);
00139
00140 vfprintf(stderr, s, ap);
00141 fprintf(stderr, ": %s\n", vpx_codec_error(ctx));
00142
00143 if (detail)
00144 fprintf(stderr, " %s\n", detail);
00145
00146 exit(EXIT_FAILURE);
00147 }
00148 }
00149
00150
00151
00152
00153 typedef struct
00154 {
00155 vpx_fixed_buf_t buf;
00156 int pass;
00157 FILE *file;
00158 char *buf_ptr;
00159 size_t buf_alloc_sz;
00160 } stats_io_t;
00161
00162 int stats_open_file(stats_io_t *stats, const char *fpf, int pass)
00163 {
00164 int res;
00165
00166 stats->pass = pass;
00167
00168 if (pass == 0)
00169 {
00170 stats->file = fopen(fpf, "wb");
00171 stats->buf.sz = 0;
00172 stats->buf.buf = NULL,
00173 res = (stats->file != NULL);
00174 }
00175 else
00176 {
00177 #if 0
00178 #elif USE_POSIX_MMAP
00179 struct stat stat_buf;
00180 int fd;
00181
00182 fd = open(fpf, O_RDONLY);
00183 stats->file = fdopen(fd, "rb");
00184 fstat(fd, &stat_buf);
00185 stats->buf.sz = stat_buf.st_size;
00186 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
00187 fd, 0);
00188 res = (stats->buf.buf != NULL);
00189 #else
00190 size_t nbytes;
00191
00192 stats->file = fopen(fpf, "rb");
00193
00194 if (fseek(stats->file, 0, SEEK_END))
00195 fatal("First-pass stats file must be seekable!");
00196
00197 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
00198 rewind(stats->file);
00199
00200 stats->buf.buf = malloc(stats->buf_alloc_sz);
00201
00202 if (!stats->buf.buf)
00203 fatal("Failed to allocate first-pass stats buffer (%lu bytes)",
00204 (unsigned long)stats->buf_alloc_sz);
00205
00206 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
00207 res = (nbytes == stats->buf.sz);
00208 #endif
00209 }
00210
00211 return res;
00212 }
00213
00214 int stats_open_mem(stats_io_t *stats, int pass)
00215 {
00216 int res;
00217 stats->pass = pass;
00218
00219 if (!pass)
00220 {
00221 stats->buf.sz = 0;
00222 stats->buf_alloc_sz = 64 * 1024;
00223 stats->buf.buf = malloc(stats->buf_alloc_sz);
00224 }
00225
00226 stats->buf_ptr = stats->buf.buf;
00227 res = (stats->buf.buf != NULL);
00228 return res;
00229 }
00230
00231
00232 void stats_close(stats_io_t *stats, int last_pass)
00233 {
00234 if (stats->file)
00235 {
00236 if (stats->pass == last_pass)
00237 {
00238 #if 0
00239 #elif USE_POSIX_MMAP
00240 munmap(stats->buf.buf, stats->buf.sz);
00241 #else
00242 free(stats->buf.buf);
00243 #endif
00244 }
00245
00246 fclose(stats->file);
00247 stats->file = NULL;
00248 }
00249 else
00250 {
00251 if (stats->pass == last_pass)
00252 free(stats->buf.buf);
00253 }
00254 }
00255
00256 void stats_write(stats_io_t *stats, const void *pkt, size_t len)
00257 {
00258 if (stats->file)
00259 {
00260 (void) fwrite(pkt, 1, len, stats->file);
00261 }
00262 else
00263 {
00264 if (stats->buf.sz + len > stats->buf_alloc_sz)
00265 {
00266 size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
00267 char *new_ptr = realloc(stats->buf.buf, new_sz);
00268
00269 if (new_ptr)
00270 {
00271 stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
00272 stats->buf.buf = new_ptr;
00273 stats->buf_alloc_sz = new_sz;
00274 }
00275 else
00276 fatal("Failed to realloc firstpass stats buffer.");
00277 }
00278
00279 memcpy(stats->buf_ptr, pkt, len);
00280 stats->buf.sz += len;
00281 stats->buf_ptr += len;
00282 }
00283 }
00284
00285 vpx_fixed_buf_t stats_get(stats_io_t *stats)
00286 {
00287 return stats->buf;
00288 }
00289
00290
00291 typedef enum stereo_format
00292 {
00293 STEREO_FORMAT_MONO = 0,
00294 STEREO_FORMAT_LEFT_RIGHT = 1,
00295 STEREO_FORMAT_BOTTOM_TOP = 2,
00296 STEREO_FORMAT_TOP_BOTTOM = 3,
00297 STEREO_FORMAT_RIGHT_LEFT = 11
00298 } stereo_format_t;
00299
00300 enum video_file_type
00301 {
00302 FILE_TYPE_RAW,
00303 FILE_TYPE_IVF,
00304 FILE_TYPE_Y4M
00305 };
00306
00307 struct detect_buffer {
00308 char buf[4];
00309 size_t buf_read;
00310 size_t position;
00311 };
00312
00313
00314 struct input_state
00315 {
00316 char *fn;
00317 FILE *file;
00318 y4m_input y4m;
00319 struct detect_buffer detect;
00320 enum video_file_type file_type;
00321 unsigned int w;
00322 unsigned int h;
00323 struct vpx_rational framerate;
00324 int use_i420;
00325 };
00326
00327
00328 #define IVF_FRAME_HDR_SZ (4+8)
00329 static int read_frame(struct input_state *input, vpx_image_t *img)
00330 {
00331 FILE *f = input->file;
00332 enum video_file_type file_type = input->file_type;
00333 y4m_input *y4m = &input->y4m;
00334 struct detect_buffer *detect = &input->detect;
00335 int plane = 0;
00336 int shortread = 0;
00337
00338 if (file_type == FILE_TYPE_Y4M)
00339 {
00340 if (y4m_input_fetch_frame(y4m, f, img) < 1)
00341 return 0;
00342 }
00343 else
00344 {
00345 if (file_type == FILE_TYPE_IVF)
00346 {
00347 char junk[IVF_FRAME_HDR_SZ];
00348
00349
00350
00351
00352
00353 (void) fread(junk, 1, IVF_FRAME_HDR_SZ, f);
00354 }
00355
00356 for (plane = 0; plane < 3; plane++)
00357 {
00358 unsigned char *ptr;
00359 int w = (plane ? (1 + img->d_w) / 2 : img->d_w);
00360 int h = (plane ? (1 + img->d_h) / 2 : img->d_h);
00361 int r;
00362
00363
00364
00365
00366
00367 switch (plane)
00368 {
00369 case 1:
00370 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
00371 break;
00372 case 2:
00373 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
00374 break;
00375 default:
00376 ptr = img->planes[plane];
00377 }
00378
00379 for (r = 0; r < h; r++)
00380 {
00381 size_t needed = w;
00382 size_t buf_position = 0;
00383 const size_t left = detect->buf_read - detect->position;
00384 if (left > 0)
00385 {
00386 const size_t more = (left < needed) ? left : needed;
00387 memcpy(ptr, detect->buf + detect->position, more);
00388 buf_position = more;
00389 needed -= more;
00390 detect->position += more;
00391 }
00392 if (needed > 0)
00393 {
00394 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
00395 }
00396
00397 ptr += img->stride[plane];
00398 }
00399 }
00400 }
00401
00402 return !shortread;
00403 }
00404
00405
00406 unsigned int file_is_y4m(FILE *infile,
00407 y4m_input *y4m,
00408 char detect[4])
00409 {
00410 if(memcmp(detect, "YUV4", 4) == 0)
00411 {
00412 return 1;
00413 }
00414 return 0;
00415 }
00416
00417 #define IVF_FILE_HDR_SZ (32)
00418 unsigned int file_is_ivf(struct input_state *input,
00419 unsigned int *fourcc)
00420 {
00421 char raw_hdr[IVF_FILE_HDR_SZ];
00422 int is_ivf = 0;
00423 FILE *infile = input->file;
00424 unsigned int *width = &input->w;
00425 unsigned int *height = &input->h;
00426 struct detect_buffer *detect = &input->detect;
00427
00428 if(memcmp(detect->buf, "DKIF", 4) != 0)
00429 return 0;
00430
00431
00432
00433
00434 if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
00435 == IVF_FILE_HDR_SZ - 4)
00436 {
00437 {
00438 is_ivf = 1;
00439
00440 if (mem_get_le16(raw_hdr + 4) != 0)
00441 warn("Unrecognized IVF version! This file may not decode "
00442 "properly.");
00443
00444 *fourcc = mem_get_le32(raw_hdr + 8);
00445 }
00446 }
00447
00448 if (is_ivf)
00449 {
00450 *width = mem_get_le16(raw_hdr + 12);
00451 *height = mem_get_le16(raw_hdr + 14);
00452 detect->position = 4;
00453 }
00454
00455 return is_ivf;
00456 }
00457
00458
00459 static void write_ivf_file_header(FILE *outfile,
00460 const vpx_codec_enc_cfg_t *cfg,
00461 unsigned int fourcc,
00462 int frame_cnt)
00463 {
00464 char header[32];
00465
00466 if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
00467 return;
00468
00469 header[0] = 'D';
00470 header[1] = 'K';
00471 header[2] = 'I';
00472 header[3] = 'F';
00473 mem_put_le16(header + 4, 0);
00474 mem_put_le16(header + 6, 32);
00475 mem_put_le32(header + 8, fourcc);
00476 mem_put_le16(header + 12, cfg->g_w);
00477 mem_put_le16(header + 14, cfg->g_h);
00478 mem_put_le32(header + 16, cfg->g_timebase.den);
00479 mem_put_le32(header + 20, cfg->g_timebase.num);
00480 mem_put_le32(header + 24, frame_cnt);
00481 mem_put_le32(header + 28, 0);
00482
00483 (void) fwrite(header, 1, 32, outfile);
00484 }
00485
00486
00487 static void write_ivf_frame_header(FILE *outfile,
00488 const vpx_codec_cx_pkt_t *pkt)
00489 {
00490 char header[12];
00491 vpx_codec_pts_t pts;
00492
00493 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
00494 return;
00495
00496 pts = pkt->data.frame.pts;
00497 mem_put_le32(header, (int)pkt->data.frame.sz);
00498 mem_put_le32(header + 4, pts & 0xFFFFFFFF);
00499 mem_put_le32(header + 8, pts >> 32);
00500
00501 (void) fwrite(header, 1, 12, outfile);
00502 }
00503
00504 static void write_ivf_frame_size(FILE *outfile, size_t size)
00505 {
00506 char header[4];
00507 mem_put_le32(header, (int)size);
00508 (void) fwrite(header, 1, 4, outfile);
00509 }
00510
00511
00512 typedef off_t EbmlLoc;
00513
00514
00515 struct cue_entry
00516 {
00517 unsigned int time;
00518 uint64_t loc;
00519 };
00520
00521
00522 struct EbmlGlobal
00523 {
00524 int debug;
00525
00526 FILE *stream;
00527 int64_t last_pts_ms;
00528 vpx_rational_t framerate;
00529
00530
00531 off_t position_reference;
00532 off_t seek_info_pos;
00533 off_t segment_info_pos;
00534 off_t track_pos;
00535 off_t cue_pos;
00536 off_t cluster_pos;
00537
00538
00539 off_t track_id_pos;
00540
00541
00542 EbmlLoc startSegment;
00543 EbmlLoc startCluster;
00544
00545 uint32_t cluster_timecode;
00546 int cluster_open;
00547
00548 struct cue_entry *cue_list;
00549 unsigned int cues;
00550
00551 };
00552
00553
00554 void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
00555 {
00556 (void) fwrite(buffer_in, 1, len, glob->stream);
00557 }
00558
00559 #define WRITE_BUFFER(s) \
00560 for(i = len-1; i>=0; i--)\
00561 { \
00562 x = (char)(*(const s *)buffer_in >> (i * CHAR_BIT)); \
00563 Ebml_Write(glob, &x, 1); \
00564 }
00565 void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, int buffer_size, unsigned long len)
00566 {
00567 char x;
00568 int i;
00569
00570
00571
00572
00573
00574
00575
00576 switch (buffer_size)
00577 {
00578 case 1:
00579 WRITE_BUFFER(int8_t)
00580 break;
00581 case 2:
00582 WRITE_BUFFER(int16_t)
00583 break;
00584 case 4:
00585 WRITE_BUFFER(int32_t)
00586 break;
00587 case 8:
00588 WRITE_BUFFER(int64_t)
00589 break;
00590 default:
00591 break;
00592 }
00593 }
00594 #undef WRITE_BUFFER
00595
00596
00597
00598
00599 static void Ebml_SerializeUnsigned32(EbmlGlobal *glob, unsigned long class_id, uint64_t ui)
00600 {
00601 unsigned char sizeSerialized = 4 | 0x80;
00602 Ebml_WriteID(glob, class_id);
00603 Ebml_Serialize(glob, &sizeSerialized, sizeof(sizeSerialized), 1);
00604 Ebml_Serialize(glob, &ui, sizeof(ui), 4);
00605 }
00606
00607
00608 static void
00609 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
00610 unsigned long class_id)
00611 {
00612
00613
00614 uint64_t unknownLen = LITERALU64(0x01FFFFFF, 0xFFFFFFFF);
00615
00616 Ebml_WriteID(glob, class_id);
00617 *ebmlLoc = ftello(glob->stream);
00618 Ebml_Serialize(glob, &unknownLen, sizeof(unknownLen), 8);
00619 }
00620
00621 static void
00622 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
00623 {
00624 off_t pos;
00625 uint64_t size;
00626
00627
00628 pos = ftello(glob->stream);
00629
00630
00631 size = pos - *ebmlLoc - 8;
00632 size |= LITERALU64(0x01000000,0x00000000);
00633
00634
00635 fseeko(glob->stream, *ebmlLoc, SEEK_SET);
00636 Ebml_Serialize(glob, &size, sizeof(size), 8);
00637
00638
00639 fseeko(glob->stream, pos, SEEK_SET);
00640 }
00641
00642
00643 static void
00644 write_webm_seek_element(EbmlGlobal *ebml, unsigned long id, off_t pos)
00645 {
00646 uint64_t offset = pos - ebml->position_reference;
00647 EbmlLoc start;
00648 Ebml_StartSubElement(ebml, &start, Seek);
00649 Ebml_SerializeBinary(ebml, SeekID, id);
00650 Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
00651 Ebml_EndSubElement(ebml, &start);
00652 }
00653
00654
00655 static void
00656 write_webm_seek_info(EbmlGlobal *ebml)
00657 {
00658
00659 off_t pos;
00660
00661
00662 pos = ftello(ebml->stream);
00663
00664 if(ebml->seek_info_pos)
00665 fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET);
00666 else
00667 ebml->seek_info_pos = pos;
00668
00669 {
00670 EbmlLoc start;
00671
00672 Ebml_StartSubElement(ebml, &start, SeekHead);
00673 write_webm_seek_element(ebml, Tracks, ebml->track_pos);
00674 write_webm_seek_element(ebml, Cues, ebml->cue_pos);
00675 write_webm_seek_element(ebml, Info, ebml->segment_info_pos);
00676 Ebml_EndSubElement(ebml, &start);
00677 }
00678 {
00679
00680 EbmlLoc startInfo;
00681 uint64_t frame_time;
00682 char version_string[64];
00683
00684
00685 if(ebml->debug)
00686 strcpy(version_string, "vpxenc");
00687 else
00688 {
00689 strcpy(version_string, "vpxenc ");
00690 strncat(version_string,
00691 vpx_codec_version_str(),
00692 sizeof(version_string) - 1 - strlen(version_string));
00693 }
00694
00695 frame_time = (uint64_t)1000 * ebml->framerate.den
00696 / ebml->framerate.num;
00697 ebml->segment_info_pos = ftello(ebml->stream);
00698 Ebml_StartSubElement(ebml, &startInfo, Info);
00699 Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
00700 Ebml_SerializeFloat(ebml, Segment_Duration,
00701 (double)(ebml->last_pts_ms + frame_time));
00702 Ebml_SerializeString(ebml, 0x4D80, version_string);
00703 Ebml_SerializeString(ebml, 0x5741, version_string);
00704 Ebml_EndSubElement(ebml, &startInfo);
00705 }
00706 }
00707
00708
00709 static void
00710 write_webm_file_header(EbmlGlobal *glob,
00711 const vpx_codec_enc_cfg_t *cfg,
00712 const struct vpx_rational *fps,
00713 stereo_format_t stereo_fmt)
00714 {
00715 {
00716 EbmlLoc start;
00717 Ebml_StartSubElement(glob, &start, EBML);
00718 Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
00719 Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1);
00720 Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4);
00721 Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8);
00722 Ebml_SerializeString(glob, DocType, "webm");
00723 Ebml_SerializeUnsigned(glob, DocTypeVersion, 2);
00724 Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2);
00725 Ebml_EndSubElement(glob, &start);
00726 }
00727 {
00728 Ebml_StartSubElement(glob, &glob->startSegment, Segment);
00729 glob->position_reference = ftello(glob->stream);
00730 glob->framerate = *fps;
00731 write_webm_seek_info(glob);
00732
00733 {
00734 EbmlLoc trackStart;
00735 glob->track_pos = ftello(glob->stream);
00736 Ebml_StartSubElement(glob, &trackStart, Tracks);
00737 {
00738 unsigned int trackNumber = 1;
00739 uint64_t trackID = 0;
00740
00741 EbmlLoc start;
00742 Ebml_StartSubElement(glob, &start, TrackEntry);
00743 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
00744 glob->track_id_pos = ftello(glob->stream);
00745 Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
00746 Ebml_SerializeUnsigned(glob, TrackType, 1);
00747 Ebml_SerializeString(glob, CodecID, "V_VP8");
00748 {
00749 unsigned int pixelWidth = cfg->g_w;
00750 unsigned int pixelHeight = cfg->g_h;
00751 float frameRate = (float)fps->num/(float)fps->den;
00752
00753 EbmlLoc videoStart;
00754 Ebml_StartSubElement(glob, &videoStart, Video);
00755 Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
00756 Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
00757 Ebml_SerializeUnsigned(glob, StereoMode, stereo_fmt);
00758 Ebml_SerializeFloat(glob, FrameRate, frameRate);
00759 Ebml_EndSubElement(glob, &videoStart);
00760 }
00761 Ebml_EndSubElement(glob, &start);
00762 }
00763 Ebml_EndSubElement(glob, &trackStart);
00764 }
00765
00766 }
00767 }
00768
00769
00770 static void
00771 write_webm_block(EbmlGlobal *glob,
00772 const vpx_codec_enc_cfg_t *cfg,
00773 const vpx_codec_cx_pkt_t *pkt)
00774 {
00775 unsigned long block_length;
00776 unsigned char track_number;
00777 unsigned short block_timecode = 0;
00778 unsigned char flags;
00779 int64_t pts_ms;
00780 int start_cluster = 0, is_keyframe;
00781
00782
00783 pts_ms = pkt->data.frame.pts * 1000
00784 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
00785 if(pts_ms <= glob->last_pts_ms)
00786 pts_ms = glob->last_pts_ms + 1;
00787 glob->last_pts_ms = pts_ms;
00788
00789
00790 if(pts_ms - glob->cluster_timecode > SHRT_MAX)
00791 start_cluster = 1;
00792 else
00793 block_timecode = (unsigned short)pts_ms - glob->cluster_timecode;
00794
00795 is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY);
00796 if(start_cluster || is_keyframe)
00797 {
00798 if(glob->cluster_open)
00799 Ebml_EndSubElement(glob, &glob->startCluster);
00800
00801
00802 block_timecode = 0;
00803 glob->cluster_open = 1;
00804 glob->cluster_timecode = (uint32_t)pts_ms;
00805 glob->cluster_pos = ftello(glob->stream);
00806 Ebml_StartSubElement(glob, &glob->startCluster, Cluster);
00807 Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode);
00808
00809
00810 if(is_keyframe)
00811 {
00812 struct cue_entry *cue, *new_cue_list;
00813
00814 new_cue_list = realloc(glob->cue_list,
00815 (glob->cues+1) * sizeof(struct cue_entry));
00816 if(new_cue_list)
00817 glob->cue_list = new_cue_list;
00818 else
00819 fatal("Failed to realloc cue list.");
00820
00821 cue = &glob->cue_list[glob->cues];
00822 cue->time = glob->cluster_timecode;
00823 cue->loc = glob->cluster_pos;
00824 glob->cues++;
00825 }
00826 }
00827
00828
00829 Ebml_WriteID(glob, SimpleBlock);
00830
00831 block_length = (unsigned long)pkt->data.frame.sz + 4;
00832 block_length |= 0x10000000;
00833 Ebml_Serialize(glob, &block_length, sizeof(block_length), 4);
00834
00835 track_number = 1;
00836 track_number |= 0x80;
00837 Ebml_Write(glob, &track_number, 1);
00838
00839 Ebml_Serialize(glob, &block_timecode, sizeof(block_timecode), 2);
00840
00841 flags = 0;
00842 if(is_keyframe)
00843 flags |= 0x80;
00844 if(pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE)
00845 flags |= 0x08;
00846 Ebml_Write(glob, &flags, 1);
00847
00848 Ebml_Write(glob, pkt->data.frame.buf, (unsigned long)pkt->data.frame.sz);
00849 }
00850
00851
00852 static void
00853 write_webm_file_footer(EbmlGlobal *glob, long hash)
00854 {
00855
00856 if(glob->cluster_open)
00857 Ebml_EndSubElement(glob, &glob->startCluster);
00858
00859 {
00860 EbmlLoc start;
00861 unsigned int i;
00862
00863 glob->cue_pos = ftello(glob->stream);
00864 Ebml_StartSubElement(glob, &start, Cues);
00865 for(i=0; i<glob->cues; i++)
00866 {
00867 struct cue_entry *cue = &glob->cue_list[i];
00868 EbmlLoc start;
00869
00870 Ebml_StartSubElement(glob, &start, CuePoint);
00871 {
00872 EbmlLoc start;
00873
00874 Ebml_SerializeUnsigned(glob, CueTime, cue->time);
00875
00876 Ebml_StartSubElement(glob, &start, CueTrackPositions);
00877 Ebml_SerializeUnsigned(glob, CueTrack, 1);
00878 Ebml_SerializeUnsigned64(glob, CueClusterPosition,
00879 cue->loc - glob->position_reference);
00880 Ebml_EndSubElement(glob, &start);
00881 }
00882 Ebml_EndSubElement(glob, &start);
00883 }
00884 Ebml_EndSubElement(glob, &start);
00885 }
00886
00887 Ebml_EndSubElement(glob, &glob->startSegment);
00888
00889
00890 write_webm_seek_info(glob);
00891
00892
00893 fseeko(glob->stream, glob->track_id_pos, SEEK_SET);
00894 Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash);
00895
00896 fseeko(glob->stream, 0, SEEK_END);
00897 }
00898
00899
00900
00901
00902
00903 static unsigned int murmur ( const void * key, int len, unsigned int seed )
00904 {
00905 const unsigned int m = 0x5bd1e995;
00906 const int r = 24;
00907
00908 unsigned int h = seed ^ len;
00909
00910 const unsigned char * data = (const unsigned char *)key;
00911
00912 while(len >= 4)
00913 {
00914 unsigned int k;
00915
00916 k = data[0];
00917 k |= data[1] << 8;
00918 k |= data[2] << 16;
00919 k |= data[3] << 24;
00920
00921 k *= m;
00922 k ^= k >> r;
00923 k *= m;
00924
00925 h *= m;
00926 h ^= k;
00927
00928 data += 4;
00929 len -= 4;
00930 }
00931
00932 switch(len)
00933 {
00934 case 3: h ^= data[2] << 16;
00935 case 2: h ^= data[1] << 8;
00936 case 1: h ^= data[0];
00937 h *= m;
00938 };
00939
00940 h ^= h >> 13;
00941 h *= m;
00942 h ^= h >> 15;
00943
00944 return h;
00945 }
00946
00947 #include "math.h"
00948
00949 static double vp8_mse2psnr(double Samples, double Peak, double Mse)
00950 {
00951 double psnr;
00952
00953 if ((double)Mse > 0.0)
00954 psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
00955 else
00956 psnr = 60;
00957
00958 if (psnr > 60)
00959 psnr = 60;
00960
00961 return psnr;
00962 }
00963
00964
00965 #include "args.h"
00966 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
00967 "Debug mode (makes output deterministic)");
00968 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
00969 "Output filename");
00970 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
00971 "Input file is YV12 ");
00972 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
00973 "Input file is I420 (default)");
00974 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
00975 "Codec to use");
00976 static const arg_def_t passes = ARG_DEF("p", "passes", 1,
00977 "Number of passes (1/2)");
00978 static const arg_def_t pass_arg = ARG_DEF(NULL, "pass", 1,
00979 "Pass to execute (1/2)");
00980 static const arg_def_t fpf_name = ARG_DEF(NULL, "fpf", 1,
00981 "First pass statistics file name");
00982 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
00983 "Stop encoding after n input frames");
00984 static const arg_def_t deadline = ARG_DEF("d", "deadline", 1,
00985 "Deadline per frame (usec)");
00986 static const arg_def_t best_dl = ARG_DEF(NULL, "best", 0,
00987 "Use Best Quality Deadline");
00988 static const arg_def_t good_dl = ARG_DEF(NULL, "good", 0,
00989 "Use Good Quality Deadline");
00990 static const arg_def_t rt_dl = ARG_DEF(NULL, "rt", 0,
00991 "Use Realtime Quality Deadline");
00992 static const arg_def_t quietarg = ARG_DEF("q", "quiet", 0,
00993 "Do not print encode progress");
00994 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
00995 "Show encoder parameters");
00996 static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0,
00997 "Show PSNR in status line");
00998 static const arg_def_t framerate = ARG_DEF(NULL, "fps", 1,
00999 "Stream frame rate (rate/scale)");
01000 static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0,
01001 "Output IVF (default is WebM)");
01002 static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,
01003 "Makes encoder output partitions. Requires IVF output!");
01004 static const arg_def_t q_hist_n = ARG_DEF(NULL, "q-hist", 1,
01005 "Show quantizer histogram (n-buckets)");
01006 static const arg_def_t rate_hist_n = ARG_DEF(NULL, "rate-hist", 1,
01007 "Show rate histogram (n-buckets)");
01008 static const arg_def_t *main_args[] =
01009 {
01010 &debugmode,
01011 &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
01012 &best_dl, &good_dl, &rt_dl,
01013 &quietarg, &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n, &rate_hist_n,
01014 NULL
01015 };
01016
01017 static const arg_def_t usage = ARG_DEF("u", "usage", 1,
01018 "Usage profile number to use");
01019 static const arg_def_t threads = ARG_DEF("t", "threads", 1,
01020 "Max number of threads to use");
01021 static const arg_def_t profile = ARG_DEF(NULL, "profile", 1,
01022 "Bitstream profile number to use");
01023 static const arg_def_t width = ARG_DEF("w", "width", 1,
01024 "Frame width");
01025 static const arg_def_t height = ARG_DEF("h", "height", 1,
01026 "Frame height");
01027 static const struct arg_enum_list stereo_mode_enum[] = {
01028 {"mono" , STEREO_FORMAT_MONO},
01029 {"left-right", STEREO_FORMAT_LEFT_RIGHT},
01030 {"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
01031 {"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
01032 {"right-left", STEREO_FORMAT_RIGHT_LEFT},
01033 {NULL, 0}
01034 };
01035 static const arg_def_t stereo_mode = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
01036 "Stereo 3D video format", stereo_mode_enum);
01037 static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1,
01038 "Output timestamp precision (fractional seconds)");
01039 static const arg_def_t error_resilient = ARG_DEF(NULL, "error-resilient", 1,
01040 "Enable error resiliency features");
01041 static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1,
01042 "Max number of frames to lag");
01043
01044 static const arg_def_t *global_args[] =
01045 {
01046 &use_yv12, &use_i420, &usage, &threads, &profile,
01047 &width, &height, &stereo_mode, &timebase, &framerate, &error_resilient,
01048 &lag_in_frames, NULL
01049 };
01050
01051 static const arg_def_t dropframe_thresh = ARG_DEF(NULL, "drop-frame", 1,
01052 "Temporal resampling threshold (buf %)");
01053 static const arg_def_t resize_allowed = ARG_DEF(NULL, "resize-allowed", 1,
01054 "Spatial resampling enabled (bool)");
01055 static const arg_def_t resize_up_thresh = ARG_DEF(NULL, "resize-up", 1,
01056 "Upscale threshold (buf %)");
01057 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
01058 "Downscale threshold (buf %)");
01059 static const struct arg_enum_list end_usage_enum[] = {
01060 {"vbr", VPX_VBR},
01061 {"cbr", VPX_CBR},
01062 {"cq", VPX_CQ},
01063 {NULL, 0}
01064 };
01065 static const arg_def_t end_usage = ARG_DEF_ENUM(NULL, "end-usage", 1,
01066 "Rate control mode", end_usage_enum);
01067 static const arg_def_t target_bitrate = ARG_DEF(NULL, "target-bitrate", 1,
01068 "Bitrate (kbps)");
01069 static const arg_def_t min_quantizer = ARG_DEF(NULL, "min-q", 1,
01070 "Minimum (best) quantizer");
01071 static const arg_def_t max_quantizer = ARG_DEF(NULL, "max-q", 1,
01072 "Maximum (worst) quantizer");
01073 static const arg_def_t undershoot_pct = ARG_DEF(NULL, "undershoot-pct", 1,
01074 "Datarate undershoot (min) target (%)");
01075 static const arg_def_t overshoot_pct = ARG_DEF(NULL, "overshoot-pct", 1,
01076 "Datarate overshoot (max) target (%)");
01077 static const arg_def_t buf_sz = ARG_DEF(NULL, "buf-sz", 1,
01078 "Client buffer size (ms)");
01079 static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1,
01080 "Client initial buffer size (ms)");
01081 static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1,
01082 "Client optimal buffer size (ms)");
01083 static const arg_def_t *rc_args[] =
01084 {
01085 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
01086 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
01087 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
01088 NULL
01089 };
01090
01091
01092 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
01093 "CBR/VBR bias (0=CBR, 100=VBR)");
01094 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
01095 "GOP min bitrate (% of target)");
01096 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
01097 "GOP max bitrate (% of target)");
01098 static const arg_def_t *rc_twopass_args[] =
01099 {
01100 &bias_pct, &minsection_pct, &maxsection_pct, NULL
01101 };
01102
01103
01104 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
01105 "Minimum keyframe interval (frames)");
01106 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
01107 "Maximum keyframe interval (frames)");
01108 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
01109 "Disable keyframe placement");
01110 static const arg_def_t *kf_args[] =
01111 {
01112 &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
01113 };
01114
01115
01116 #if CONFIG_VP8_ENCODER
01117 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
01118 "Noise sensitivity (frames to blur)");
01119 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
01120 "Filter sharpness (0-7)");
01121 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
01122 "Motion detection threshold");
01123 #endif
01124
01125 #if CONFIG_VP8_ENCODER
01126 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
01127 "CPU Used (-16..16)");
01128 #endif
01129
01130
01131 #if CONFIG_VP8_ENCODER
01132 static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1,
01133 "Number of token partitions to use, log2");
01134 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
01135 "Enable automatic alt reference frames");
01136 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
01137 "AltRef Max Frames");
01138 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
01139 "AltRef Strength");
01140 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
01141 "AltRef Type");
01142 static const struct arg_enum_list tuning_enum[] = {
01143 {"psnr", VP8_TUNE_PSNR},
01144 {"ssim", VP8_TUNE_SSIM},
01145 {NULL, 0}
01146 };
01147 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
01148 "Material to favor", tuning_enum);
01149 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
01150 "Constrained Quality Level");
01151 static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
01152 "Max I-frame bitrate (pct)");
01153
01154 static const arg_def_t *vp8_args[] =
01155 {
01156 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
01157 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
01158 &tune_ssim, &cq_level, &max_intra_rate_pct, NULL
01159 };
01160 static const int vp8_arg_ctrl_map[] =
01161 {
01162 VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
01163 VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
01164 VP8E_SET_TOKEN_PARTITIONS,
01165 VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH , VP8E_SET_ARNR_TYPE,
01166 VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT, 0
01167 };
01168 #endif
01169
01170 static const arg_def_t *no_args[] = { NULL };
01171
01172 static void usage_exit()
01173 {
01174 int i;
01175
01176 fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
01177 exec_name);
01178
01179 fprintf(stderr, "\nOptions:\n");
01180 arg_show_usage(stdout, main_args);
01181 fprintf(stderr, "\nEncoder Global Options:\n");
01182 arg_show_usage(stdout, global_args);
01183 fprintf(stderr, "\nRate Control Options:\n");
01184 arg_show_usage(stdout, rc_args);
01185 fprintf(stderr, "\nTwopass Rate Control Options:\n");
01186 arg_show_usage(stdout, rc_twopass_args);
01187 fprintf(stderr, "\nKeyframe Placement Options:\n");
01188 arg_show_usage(stdout, kf_args);
01189 #if CONFIG_VP8_ENCODER
01190 fprintf(stderr, "\nVP8 Specific Options:\n");
01191 arg_show_usage(stdout, vp8_args);
01192 #endif
01193 fprintf(stderr, "\nStream timebase (--timebase):\n"
01194 " The desired precision of timestamps in the output, expressed\n"
01195 " in fractional seconds. Default is 1/1000.\n");
01196 fprintf(stderr, "\n"
01197 "Included encoders:\n"
01198 "\n");
01199
01200 for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
01201 fprintf(stderr, " %-6s - %s\n",
01202 codecs[i].name,
01203 vpx_codec_iface_name(codecs[i].iface));
01204
01205 exit(EXIT_FAILURE);
01206 }
01207
01208
01209 #define HIST_BAR_MAX 40
01210 struct hist_bucket
01211 {
01212 int low, high, count;
01213 };
01214
01215
01216 static int merge_hist_buckets(struct hist_bucket *bucket,
01217 int *buckets_,
01218 int max_buckets)
01219 {
01220 int small_bucket = 0, merge_bucket = INT_MAX, big_bucket=0;
01221 int buckets = *buckets_;
01222 int i;
01223
01224
01225 big_bucket = small_bucket = 0;
01226 for(i=0; i < buckets; i++)
01227 {
01228 if(bucket[i].count < bucket[small_bucket].count)
01229 small_bucket = i;
01230 if(bucket[i].count > bucket[big_bucket].count)
01231 big_bucket = i;
01232 }
01233
01234
01235
01236
01237 while(buckets > max_buckets)
01238 {
01239 int last_bucket = buckets - 1;
01240
01241
01242 if(small_bucket == 0)
01243 merge_bucket = 1;
01244 else if(small_bucket == last_bucket)
01245 merge_bucket = last_bucket - 1;
01246 else if(bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
01247 merge_bucket = small_bucket - 1;
01248 else
01249 merge_bucket = small_bucket + 1;
01250
01251 assert(abs(merge_bucket - small_bucket) <= 1);
01252 assert(small_bucket < buckets);
01253 assert(big_bucket < buckets);
01254 assert(merge_bucket < buckets);
01255
01256 if(merge_bucket < small_bucket)
01257 {
01258 bucket[merge_bucket].high = bucket[small_bucket].high;
01259 bucket[merge_bucket].count += bucket[small_bucket].count;
01260 }
01261 else
01262 {
01263 bucket[small_bucket].high = bucket[merge_bucket].high;
01264 bucket[small_bucket].count += bucket[merge_bucket].count;
01265 merge_bucket = small_bucket;
01266 }
01267
01268 assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
01269
01270 buckets--;
01271
01272
01273
01274
01275 big_bucket = small_bucket = 0;
01276 for(i=0; i < buckets; i++)
01277 {
01278 if(i > merge_bucket)
01279 bucket[i] = bucket[i+1];
01280
01281 if(bucket[i].count < bucket[small_bucket].count)
01282 small_bucket = i;
01283 if(bucket[i].count > bucket[big_bucket].count)
01284 big_bucket = i;
01285 }
01286
01287 }
01288
01289 *buckets_ = buckets;
01290 return bucket[big_bucket].count;
01291 }
01292
01293
01294 static void show_histogram(const struct hist_bucket *bucket,
01295 int buckets,
01296 int total,
01297 int scale)
01298 {
01299 const char *pat1, *pat2;
01300 int i;
01301
01302 switch((int)(log(bucket[buckets-1].high)/log(10))+1)
01303 {
01304 case 1:
01305 case 2:
01306 pat1 = "%4d %2s: ";
01307 pat2 = "%4d-%2d: ";
01308 break;
01309 case 3:
01310 pat1 = "%5d %3s: ";
01311 pat2 = "%5d-%3d: ";
01312 break;
01313 case 4:
01314 pat1 = "%6d %4s: ";
01315 pat2 = "%6d-%4d: ";
01316 break;
01317 case 5:
01318 pat1 = "%7d %5s: ";
01319 pat2 = "%7d-%5d: ";
01320 break;
01321 case 6:
01322 pat1 = "%8d %6s: ";
01323 pat2 = "%8d-%6d: ";
01324 break;
01325 case 7:
01326 pat1 = "%9d %7s: ";
01327 pat2 = "%9d-%7d: ";
01328 break;
01329 default:
01330 pat1 = "%12d %10s: ";
01331 pat2 = "%12d-%10d: ";
01332 break;
01333 }
01334
01335 for(i=0; i<buckets; i++)
01336 {
01337 int len;
01338 int j;
01339 float pct;
01340
01341 pct = (float)(100.0 * bucket[i].count / total);
01342 len = HIST_BAR_MAX * bucket[i].count / scale;
01343 if(len < 1)
01344 len = 1;
01345 assert(len <= HIST_BAR_MAX);
01346
01347 if(bucket[i].low == bucket[i].high)
01348 fprintf(stderr, pat1, bucket[i].low, "");
01349 else
01350 fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
01351
01352 for(j=0; j<HIST_BAR_MAX; j++)
01353 fprintf(stderr, j<len?"=":" ");
01354 fprintf(stderr, "\t%5d (%6.2f%%)\n",bucket[i].count,pct);
01355 }
01356 }
01357
01358
01359 static void show_q_histogram(const int counts[64], int max_buckets)
01360 {
01361 struct hist_bucket bucket[64];
01362 int buckets = 0;
01363 int total = 0;
01364 int scale;
01365 int i;
01366
01367
01368 for(i=0; i<64; i++)
01369 {
01370 if(counts[i])
01371 {
01372 bucket[buckets].low = bucket[buckets].high = i;
01373 bucket[buckets].count = counts[i];
01374 buckets++;
01375 total += counts[i];
01376 }
01377 }
01378
01379 fprintf(stderr, "\nQuantizer Selection:\n");
01380 scale = merge_hist_buckets(bucket, &buckets, max_buckets);
01381 show_histogram(bucket, buckets, total, scale);
01382 }
01383
01384
01385 #define RATE_BINS (100)
01386 struct rate_hist
01387 {
01388 int64_t *pts;
01389 int *sz;
01390 int samples;
01391 int frames;
01392 struct hist_bucket bucket[RATE_BINS];
01393 int total;
01394 };
01395
01396
01397 static void init_rate_histogram(struct rate_hist *hist,
01398 const vpx_codec_enc_cfg_t *cfg,
01399 const vpx_rational_t *fps)
01400 {
01401 int i;
01402
01403
01404
01405
01406
01407 hist->samples = cfg->rc_buf_sz * 5 / 4 * fps->num / fps->den / 1000;
01408
01409
01410 if (hist->samples == 0)
01411 hist->samples=1;
01412
01413 hist->pts = calloc(hist->samples, sizeof(*hist->pts));
01414 hist->sz = calloc(hist->samples, sizeof(*hist->sz));
01415 for(i=0; i<RATE_BINS; i++)
01416 {
01417 hist->bucket[i].low = INT_MAX;
01418 hist->bucket[i].high = 0;
01419 hist->bucket[i].count = 0;
01420 }
01421 }
01422
01423
01424 static void destroy_rate_histogram(struct rate_hist *hist)
01425 {
01426 free(hist->pts);
01427 free(hist->sz);
01428 }
01429
01430
01431 static void update_rate_histogram(struct rate_hist *hist,
01432 const vpx_codec_enc_cfg_t *cfg,
01433 const vpx_codec_cx_pkt_t *pkt)
01434 {
01435 int i, idx;
01436 int64_t now, then, sum_sz = 0, avg_bitrate;
01437
01438 now = pkt->data.frame.pts * 1000
01439 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
01440
01441 idx = hist->frames++ % hist->samples;
01442 hist->pts[idx] = now;
01443 hist->sz[idx] = (int)pkt->data.frame.sz;
01444
01445 if(now < cfg->rc_buf_initial_sz)
01446 return;
01447
01448 then = now;
01449
01450
01451 for(i = hist->frames; i > 0 && hist->frames - i < hist->samples; i--)
01452 {
01453 int i_idx = (i-1) % hist->samples;
01454
01455 then = hist->pts[i_idx];
01456 if(now - then > cfg->rc_buf_sz)
01457 break;
01458 sum_sz += hist->sz[i_idx];
01459 }
01460
01461 if (now == then)
01462 return;
01463
01464 avg_bitrate = sum_sz * 8 * 1000 / (now - then);
01465 idx = (int)(avg_bitrate * (RATE_BINS/2) / (cfg->rc_target_bitrate * 1000));
01466 if(idx < 0)
01467 idx = 0;
01468 if(idx > RATE_BINS-1)
01469 idx = RATE_BINS-1;
01470 if(hist->bucket[idx].low > avg_bitrate)
01471 hist->bucket[idx].low = (int)avg_bitrate;
01472 if(hist->bucket[idx].high < avg_bitrate)
01473 hist->bucket[idx].high = (int)avg_bitrate;
01474 hist->bucket[idx].count++;
01475 hist->total++;
01476 }
01477
01478
01479 static void show_rate_histogram(struct rate_hist *hist,
01480 const vpx_codec_enc_cfg_t *cfg,
01481 int max_buckets)
01482 {
01483 int i, scale;
01484 int buckets = 0;
01485
01486 for(i = 0; i < RATE_BINS; i++)
01487 {
01488 if(hist->bucket[i].low == INT_MAX)
01489 continue;
01490 hist->bucket[buckets++] = hist->bucket[i];
01491 }
01492
01493 fprintf(stderr, "\nRate (over %dms window):\n", cfg->rc_buf_sz);
01494 scale = merge_hist_buckets(hist->bucket, &buckets, max_buckets);
01495 show_histogram(hist->bucket, buckets, hist->total, scale);
01496 }
01497
01498 #define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
01499 #define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)
01500
01501
01502
01503 struct global_config
01504 {
01505 const struct codec_item *codec;
01506 int passes;
01507 int pass;
01508 int usage;
01509 int deadline;
01510 int use_i420;
01511 int quiet;
01512 int verbose;
01513 int limit;
01514 int show_psnr;
01515 int have_framerate;
01516 struct vpx_rational framerate;
01517 int out_part;
01518 int debug;
01519 int show_q_hist_buckets;
01520 int show_rate_hist_buckets;
01521 };
01522
01523
01524
01525 struct stream_config
01526 {
01527 struct vpx_codec_enc_cfg cfg;
01528 const char *out_fn;
01529 const char *stats_fn;
01530 stereo_format_t stereo_fmt;
01531 int arg_ctrls[ARG_CTRL_CNT_MAX][2];
01532 int arg_ctrl_cnt;
01533 int write_webm;
01534 int have_kf_max_dist;
01535 };
01536
01537
01538 struct stream_state
01539 {
01540 int index;
01541 struct stream_state *next;
01542 struct stream_config config;
01543 FILE *file;
01544 struct rate_hist rate_hist;
01545 EbmlGlobal ebml;
01546 uint32_t hash;
01547 uint64_t psnr_sse_total;
01548 uint64_t psnr_samples_total;
01549 double psnr_totals[4];
01550 int psnr_count;
01551 int counts[64];
01552 vpx_codec_ctx_t encoder;
01553 unsigned int frames_out;
01554 uint64_t cx_time;
01555 size_t nbytes;
01556 stats_io_t stats;
01557 };
01558
01559
01560 void validate_positive_rational(const char *msg,
01561 struct vpx_rational *rat)
01562 {
01563 if (rat->den < 0)
01564 {
01565 rat->num *= -1;
01566 rat->den *= -1;
01567 }
01568
01569 if (rat->num < 0)
01570 die("Error: %s must be positive\n", msg);
01571
01572 if (!rat->den)
01573 die("Error: %s has zero denominator\n", msg);
01574 }
01575
01576
01577 static void parse_global_config(struct global_config *global, char **argv)
01578 {
01579 char **argi, **argj;
01580 struct arg arg;
01581
01582
01583 memset(global, 0, sizeof(*global));
01584 global->codec = codecs;
01585 global->passes = 1;
01586 global->use_i420 = 1;
01587
01588 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
01589 {
01590 arg.argv_step = 1;
01591
01592 if (arg_match(&arg, &codecarg, argi))
01593 {
01594 int j, k = -1;
01595
01596 for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
01597 if (!strcmp(codecs[j].name, arg.val))
01598 k = j;
01599
01600 if (k >= 0)
01601 global->codec = codecs + k;
01602 else
01603 die("Error: Unrecognized argument (%s) to --codec\n",
01604 arg.val);
01605
01606 }
01607 else if (arg_match(&arg, &passes, argi))
01608 {
01609 global->passes = arg_parse_uint(&arg);
01610
01611 if (global->passes < 1 || global->passes > 2)
01612 die("Error: Invalid number of passes (%d)\n", global->passes);
01613 }
01614 else if (arg_match(&arg, &pass_arg, argi))
01615 {
01616 global->pass = arg_parse_uint(&arg);
01617
01618 if (global->pass < 1 || global->pass > 2)
01619 die("Error: Invalid pass selected (%d)\n",
01620 global->pass);
01621 }
01622 else if (arg_match(&arg, &usage, argi))
01623 global->usage = arg_parse_uint(&arg);
01624 else if (arg_match(&arg, &deadline, argi))
01625 global->deadline = arg_parse_uint(&arg);
01626 else if (arg_match(&arg, &best_dl, argi))
01627 global->deadline = VPX_DL_BEST_QUALITY;
01628 else if (arg_match(&arg, &good_dl, argi))
01629 global->deadline = VPX_DL_GOOD_QUALITY;
01630 else if (arg_match(&arg, &rt_dl, argi))
01631 global->deadline = VPX_DL_REALTIME;
01632 else if (arg_match(&arg, &use_yv12, argi))
01633 global->use_i420 = 0;
01634 else if (arg_match(&arg, &use_i420, argi))
01635 global->use_i420 = 1;
01636 else if (arg_match(&arg, &quietarg, argi))
01637 global->quiet = 1;
01638 else if (arg_match(&arg, &verbosearg, argi))
01639 global->verbose = 1;
01640 else if (arg_match(&arg, &limit, argi))
01641 global->limit = arg_parse_uint(&arg);
01642 else if (arg_match(&arg, &psnrarg, argi))
01643 global->show_psnr = 1;
01644 else if (arg_match(&arg, &framerate, argi))
01645 {
01646 global->framerate = arg_parse_rational(&arg);
01647 validate_positive_rational(arg.name, &global->framerate);
01648 global->have_framerate = 1;
01649 }
01650 else if (arg_match(&arg,&out_part, argi))
01651 global->out_part = 1;
01652 else if (arg_match(&arg, &debugmode, argi))
01653 global->debug = 1;
01654 else if (arg_match(&arg, &q_hist_n, argi))
01655 global->show_q_hist_buckets = arg_parse_uint(&arg);
01656 else if (arg_match(&arg, &rate_hist_n, argi))
01657 global->show_rate_hist_buckets = arg_parse_uint(&arg);
01658 else
01659 argj++;
01660 }
01661
01662
01663
01664 if (global->pass)
01665 {
01666
01667 if (global->pass > global->passes)
01668 {
01669 warn("Assuming --pass=%d implies --passes=%d\n",
01670 global->pass, global->pass);
01671 global->passes = global->pass;
01672 }
01673 }
01674 }
01675
01676
01677 void open_input_file(struct input_state *input)
01678 {
01679 unsigned int fourcc;
01680
01681
01682 input->file = strcmp(input->fn, "-") ? fopen(input->fn, "rb")
01683 : set_binary_mode(stdin);
01684
01685 if (!input->file)
01686 fatal("Failed to open input file");
01687
01688
01689
01690
01691 input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
01692 input->detect.position = 0;
01693
01694 if (input->detect.buf_read == 4
01695 && file_is_y4m(input->file, &input->y4m, input->detect.buf))
01696 {
01697 if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4) >= 0)
01698 {
01699 input->file_type = FILE_TYPE_Y4M;
01700 input->w = input->y4m.pic_w;
01701 input->h = input->y4m.pic_h;
01702 input->framerate.num = input->y4m.fps_n;
01703 input->framerate.den = input->y4m.fps_d;
01704 input->use_i420 = 0;
01705 }
01706 else
01707 fatal("Unsupported Y4M stream.");
01708 }
01709 else if (input->detect.buf_read == 4 && file_is_ivf(input, &fourcc))
01710 {
01711 input->file_type = FILE_TYPE_IVF;
01712 switch (fourcc)
01713 {
01714 case 0x32315659:
01715 input->use_i420 = 0;
01716 break;
01717 case 0x30323449:
01718 input->use_i420 = 1;
01719 break;
01720 default:
01721 fatal("Unsupported fourcc (%08x) in IVF", fourcc);
01722 }
01723 }
01724 else
01725 {
01726 input->file_type = FILE_TYPE_RAW;
01727 }
01728 }
01729
01730
01731 static void close_input_file(struct input_state *input)
01732 {
01733 fclose(input->file);
01734 if (input->file_type == FILE_TYPE_Y4M)
01735 y4m_input_close(&input->y4m);
01736 }
01737
01738 static struct stream_state *new_stream(struct global_config *global,
01739 struct stream_state *prev)
01740 {
01741 struct stream_state *stream;
01742
01743 stream = calloc(1, sizeof(*stream));
01744 if(!stream)
01745 fatal("Failed to allocate new stream.");
01746 if(prev)
01747 {
01748 memcpy(stream, prev, sizeof(*stream));
01749 stream->index++;
01750 prev->next = stream;
01751 }
01752 else
01753 {
01754 vpx_codec_err_t res;
01755
01756
01757 res = vpx_codec_enc_config_default(global->codec->iface,
01758 &stream->config.cfg,
01759 global->usage);
01760 if (res)
01761 fatal("Failed to get config: %s\n", vpx_codec_err_to_string(res));
01762
01763
01764
01765
01766 stream->config.cfg.g_timebase.den = 1000;
01767
01768
01769
01770
01771 stream->config.cfg.g_w = 0;
01772 stream->config.cfg.g_h = 0;
01773
01774
01775 stream->config.stereo_fmt = STEREO_FORMAT_MONO;
01776 stream->config.write_webm = 1;
01777 stream->ebml.last_pts_ms = -1;
01778
01779
01780 stream->ebml.debug = global->debug;
01781 }
01782
01783
01784 stream->config.out_fn = NULL;
01785
01786 stream->next = NULL;
01787 return stream;
01788 }
01789
01790
01791 static int parse_stream_params(struct global_config *global,
01792 struct stream_state *stream,
01793 char **argv)
01794 {
01795 char **argi, **argj;
01796 struct arg arg;
01797 static const arg_def_t **ctrl_args = no_args;
01798 static const int *ctrl_args_map = NULL;
01799 struct stream_config *config = &stream->config;
01800 int eos_mark_found = 0;
01801
01802
01803 if (global->codec->iface == &vpx_codec_vp8_cx_algo)
01804 {
01805 ctrl_args = vp8_args;
01806 ctrl_args_map = vp8_arg_ctrl_map;
01807 }
01808
01809 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
01810 {
01811 arg.argv_step = 1;
01812
01813
01814
01815
01816 if (eos_mark_found)
01817 {
01818 argj++;
01819 continue;
01820 }
01821 else if (!strcmp(*argj, "--"))
01822 {
01823 eos_mark_found = 1;
01824 continue;
01825 }
01826
01827 if (0);
01828 else if (arg_match(&arg, &outputfile, argi))
01829 config->out_fn = arg.val;
01830 else if (arg_match(&arg, &fpf_name, argi))
01831 config->stats_fn = arg.val;
01832 else if (arg_match(&arg, &use_ivf, argi))
01833 config->write_webm = 0;
01834 else if (arg_match(&arg, &threads, argi))
01835 config->cfg.g_threads = arg_parse_uint(&arg);
01836 else if (arg_match(&arg, &profile, argi))
01837 config->cfg.g_profile = arg_parse_uint(&arg);
01838 else if (arg_match(&arg, &width, argi))
01839 config->cfg.g_w = arg_parse_uint(&arg);
01840 else if (arg_match(&arg, &height, argi))
01841 config->cfg.g_h = arg_parse_uint(&arg);
01842 else if (arg_match(&arg, &stereo_mode, argi))
01843 config->stereo_fmt = arg_parse_enum_or_int(&arg);
01844 else if (arg_match(&arg, &timebase, argi))
01845 {
01846 config->cfg.g_timebase = arg_parse_rational(&arg);
01847 validate_positive_rational(arg.name, &config->cfg.g_timebase);
01848 }
01849 else if (arg_match(&arg, &error_resilient, argi))
01850 config->cfg.g_error_resilient = arg_parse_uint(&arg);
01851 else if (arg_match(&arg, &lag_in_frames, argi))
01852 config->cfg.g_lag_in_frames = arg_parse_uint(&arg);
01853 else if (arg_match(&arg, &dropframe_thresh, argi))
01854 config->cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
01855 else if (arg_match(&arg, &resize_allowed, argi))
01856 config->cfg.rc_resize_allowed = arg_parse_uint(&arg);
01857 else if (arg_match(&arg, &resize_up_thresh, argi))
01858 config->cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
01859 else if (arg_match(&arg, &resize_down_thresh, argi))
01860 config->cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
01861 else if (arg_match(&arg, &end_usage, argi))
01862 config->cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
01863 else if (arg_match(&arg, &target_bitrate, argi))
01864 config->cfg.rc_target_bitrate = arg_parse_uint(&arg);
01865 else if (arg_match(&arg, &min_quantizer, argi))
01866 config->cfg.rc_min_quantizer = arg_parse_uint(&arg);
01867 else if (arg_match(&arg, &max_quantizer, argi))
01868 config->cfg.rc_max_quantizer = arg_parse_uint(&arg);
01869 else if (arg_match(&arg, &undershoot_pct, argi))
01870 config->cfg.rc_undershoot_pct = arg_parse_uint(&arg);
01871 else if (arg_match(&arg, &overshoot_pct, argi))
01872 config->cfg.rc_overshoot_pct = arg_parse_uint(&arg);
01873 else if (arg_match(&arg, &buf_sz, argi))
01874 config->cfg.rc_buf_sz = arg_parse_uint(&arg);
01875 else if (arg_match(&arg, &buf_initial_sz, argi))
01876 config->cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
01877 else if (arg_match(&arg, &buf_optimal_sz, argi))
01878 config->cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
01879 else if (arg_match(&arg, &bias_pct, argi))
01880 {
01881 config->cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
01882
01883 if (global->passes < 2)
01884 warn("option %s ignored in one-pass mode.\n", arg.name);
01885 }
01886 else if (arg_match(&arg, &minsection_pct, argi))
01887 {
01888 config->cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
01889
01890 if (global->passes < 2)
01891 warn("option %s ignored in one-pass mode.\n", arg.name);
01892 }
01893 else if (arg_match(&arg, &maxsection_pct, argi))
01894 {
01895 config->cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
01896
01897 if (global->passes < 2)
01898 warn("option %s ignored in one-pass mode.\n", arg.name);
01899 }
01900 else if (arg_match(&arg, &kf_min_dist, argi))
01901 config->cfg.kf_min_dist = arg_parse_uint(&arg);
01902 else if (arg_match(&arg, &kf_max_dist, argi))
01903 {
01904 config->cfg.kf_max_dist = arg_parse_uint(&arg);
01905 config->have_kf_max_dist = 1;
01906 }
01907 else if (arg_match(&arg, &kf_disabled, argi))
01908 config->cfg.kf_mode = VPX_KF_DISABLED;
01909 else
01910 {
01911 int i, match = 0;
01912
01913 for (i = 0; ctrl_args[i]; i++)
01914 {
01915 if (arg_match(&arg, ctrl_args[i], argi))
01916 {
01917 int j;
01918 match = 1;
01919
01920
01921
01922
01923 for(j=0; j<config->arg_ctrl_cnt; j++)
01924 if(config->arg_ctrls[j][0] == ctrl_args_map[i])
01925 break;
01926
01927
01928 assert(j < ARG_CTRL_CNT_MAX);
01929 if (j < ARG_CTRL_CNT_MAX)
01930 {
01931 config->arg_ctrls[j][0] = ctrl_args_map[i];
01932 config->arg_ctrls[j][1] = arg_parse_enum_or_int(&arg);
01933 if(j == config->arg_ctrl_cnt)
01934 config->arg_ctrl_cnt++;
01935 }
01936
01937 }
01938 }
01939
01940 if (!match)
01941 argj++;
01942 }
01943 }
01944
01945 return eos_mark_found;
01946 }
01947
01948
01949 #define FOREACH_STREAM(func)\
01950 do\
01951 {\
01952 struct stream_state *stream;\
01953 \
01954 for(stream = streams; stream; stream = stream->next)\
01955 func;\
01956 }while(0)
01957
01958
01959 static void validate_stream_config(struct stream_state *stream)
01960 {
01961 struct stream_state *streami;
01962
01963 if(!stream->config.cfg.g_w || !stream->config.cfg.g_h)
01964 fatal("Stream %d: Specify stream dimensions with --width (-w) "
01965 " and --height (-h)", stream->index);
01966
01967 for(streami = stream; streami; streami = streami->next)
01968 {
01969
01970 if(!streami->config.out_fn)
01971 fatal("Stream %d: Output file is required (specify with -o)",
01972 streami->index);
01973
01974
01975 if(streami != stream)
01976 {
01977 const char *a = stream->config.out_fn;
01978 const char *b = streami->config.out_fn;
01979 if(!strcmp(a,b) && strcmp(a, "/dev/null") && strcmp(a, ":nul"))
01980 fatal("Stream %d: duplicate output file (from stream %d)",
01981 streami->index, stream->index);
01982 }
01983
01984
01985 if(streami != stream)
01986 {
01987 const char *a = stream->config.stats_fn;
01988 const char *b = streami->config.stats_fn;
01989 if(a && b && !strcmp(a,b))
01990 fatal("Stream %d: duplicate stats file (from stream %d)",
01991 streami->index, stream->index);
01992 }
01993 }
01994 }
01995
01996
01997 static void set_stream_dimensions(struct stream_state *stream,
01998 unsigned int w,
01999 unsigned int h)
02000 {
02001 if ((stream->config.cfg.g_w && stream->config.cfg.g_w != w)
02002 ||(stream->config.cfg.g_h && stream->config.cfg.g_h != h))
02003 fatal("Stream %d: Resizing not yet supported", stream->index);
02004 stream->config.cfg.g_w = w;
02005 stream->config.cfg.g_h = h;
02006 }
02007
02008
02009 static void set_default_kf_interval(struct stream_state *stream,
02010 struct global_config *global)
02011 {
02012
02013
02014
02015 if (!stream->config.have_kf_max_dist)
02016 {
02017 double framerate = (double)global->framerate.num/global->framerate.den;
02018 if (framerate > 0.0)
02019 stream->config.cfg.kf_max_dist = (unsigned int)(5.0*framerate);
02020 }
02021 }
02022
02023
02024 static void show_stream_config(struct stream_state *stream,
02025 struct global_config *global,
02026 struct input_state *input)
02027 {
02028
02029 #define SHOW(field) \
02030 fprintf(stderr, " %-28s = %d\n", #field, stream->config.cfg.field)
02031
02032 if(stream->index == 0)
02033 {
02034 fprintf(stderr, "Codec: %s\n",
02035 vpx_codec_iface_name(global->codec->iface));
02036 fprintf(stderr, "Source file: %s Format: %s\n", input->fn,
02037 input->use_i420 ? "I420" : "YV12");
02038 }
02039 if(stream->next || stream->index)
02040 fprintf(stderr, "\nStream Index: %d\n", stream->index);
02041 fprintf(stderr, "Destination file: %s\n", stream->config.out_fn);
02042 fprintf(stderr, "Encoder parameters:\n");
02043
02044 SHOW(g_usage);
02045 SHOW(g_threads);
02046 SHOW(g_profile);
02047 SHOW(g_w);
02048 SHOW(g_h);
02049 SHOW(g_timebase.num);
02050 SHOW(g_timebase.den);
02051 SHOW(g_error_resilient);
02052 SHOW(g_pass);
02053 SHOW(g_lag_in_frames);
02054 SHOW(rc_dropframe_thresh);
02055 SHOW(rc_resize_allowed);
02056 SHOW(rc_resize_up_thresh);
02057 SHOW(rc_resize_down_thresh);
02058 SHOW(rc_end_usage);
02059 SHOW(rc_target_bitrate);
02060 SHOW(rc_min_quantizer);
02061 SHOW(rc_max_quantizer);
02062 SHOW(rc_undershoot_pct);
02063 SHOW(rc_overshoot_pct);
02064 SHOW(rc_buf_sz);
02065 SHOW(rc_buf_initial_sz);
02066 SHOW(rc_buf_optimal_sz);
02067 SHOW(rc_2pass_vbr_bias_pct);
02068 SHOW(rc_2pass_vbr_minsection_pct);
02069 SHOW(rc_2pass_vbr_maxsection_pct);
02070 SHOW(kf_mode);
02071 SHOW(kf_min_dist);
02072 SHOW(kf_max_dist);
02073 }
02074
02075
02076 static void open_output_file(struct stream_state *stream,
02077 struct global_config *global)
02078 {
02079 const char *fn = stream->config.out_fn;
02080
02081 stream->file = strcmp(fn, "-") ? fopen(fn, "wb") : set_binary_mode(stdout);
02082
02083 if (!stream->file)
02084 fatal("Failed to open output file");
02085
02086 if(stream->config.write_webm && fseek(stream->file, 0, SEEK_CUR))
02087 fatal("WebM output to pipes not supported.");
02088
02089 if(stream->config.write_webm)
02090 {
02091 stream->ebml.stream = stream->file;
02092 write_webm_file_header(&stream->ebml, &stream->config.cfg,
02093 &global->framerate,
02094 stream->config.stereo_fmt);
02095 }
02096 else
02097 write_ivf_file_header(stream->file, &stream->config.cfg,
02098 global->codec->fourcc, 0);
02099 }
02100
02101
02102 static void close_output_file(struct stream_state *stream,
02103 unsigned int fourcc)
02104 {
02105 if(stream->config.write_webm)
02106 {
02107 write_webm_file_footer(&stream->ebml, stream->hash);
02108 free(stream->ebml.cue_list);
02109 stream->ebml.cue_list = NULL;
02110 }
02111 else
02112 {
02113 if (!fseek(stream->file, 0, SEEK_SET))
02114 write_ivf_file_header(stream->file, &stream->config.cfg,
02115 fourcc,
02116 stream->frames_out);
02117 }
02118
02119 fclose(stream->file);
02120 }
02121
02122
02123 static void setup_pass(struct stream_state *stream,
02124 struct global_config *global,
02125 int pass)
02126 {
02127 if (stream->config.stats_fn)
02128 {
02129 if (!stats_open_file(&stream->stats, stream->config.stats_fn,
02130 pass))
02131 fatal("Failed to open statistics store");
02132 }
02133 else
02134 {
02135 if (!stats_open_mem(&stream->stats, pass))
02136 fatal("Failed to open statistics store");
02137 }
02138
02139 stream->config.cfg.g_pass = global->passes == 2
02140 ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
02141 : VPX_RC_ONE_PASS;
02142 if (pass)
02143 stream->config.cfg.rc_twopass_stats_in = stats_get(&stream->stats);
02144
02145 stream->cx_time = 0;
02146 stream->nbytes = 0;
02147 stream->frames_out = 0;
02148 }
02149
02150
02151 static void initialize_encoder(struct stream_state *stream,
02152 struct global_config *global)
02153 {
02154 int i;
02155 int flags = 0;
02156
02157 flags |= global->show_psnr ? VPX_CODEC_USE_PSNR : 0;
02158 flags |= global->out_part ? VPX_CODEC_USE_OUTPUT_PARTITION : 0;
02159
02160
02161 vpx_codec_enc_init(&stream->encoder, global->codec->iface,
02162 &stream->config.cfg, flags);
02163 ctx_exit_on_error(&stream->encoder, "Failed to initialize encoder");
02164
02165
02166
02167
02168
02169 for (i = 0; i < stream->config.arg_ctrl_cnt; i++)
02170 {
02171 int ctrl = stream->config.arg_ctrls[i][0];
02172 int value = stream->config.arg_ctrls[i][1];
02173 if (vpx_codec_control_(&stream->encoder, ctrl, value))
02174 fprintf(stderr, "Error: Tried to set control %d = %d\n",
02175 ctrl, value);
02176
02177 ctx_exit_on_error(&stream->encoder, "Failed to control codec");
02178 }
02179 }
02180
02181
02182 static void encode_frame(struct stream_state *stream,
02183 struct global_config *global,
02184 struct vpx_image *img,
02185 unsigned int frames_in)
02186 {
02187 vpx_codec_pts_t frame_start, next_frame_start;
02188 struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
02189 struct vpx_usec_timer timer;
02190
02191 frame_start = (cfg->g_timebase.den * (int64_t)(frames_in - 1)
02192 * global->framerate.den)
02193 / cfg->g_timebase.num / global->framerate.num;
02194 next_frame_start = (cfg->g_timebase.den * (int64_t)(frames_in)
02195 * global->framerate.den)
02196 / cfg->g_timebase.num / global->framerate.num;
02197 vpx_usec_timer_start(&timer);
02198 vpx_codec_encode(&stream->encoder, img, frame_start,
02199 (unsigned long)(next_frame_start - frame_start),
02200 0, global->deadline);
02201 vpx_usec_timer_mark(&timer);
02202 stream->cx_time += vpx_usec_timer_elapsed(&timer);
02203 ctx_exit_on_error(&stream->encoder, "Stream %d: Failed to encode frame",
02204 stream->index);
02205 }
02206
02207
02208 static void update_quantizer_histogram(struct stream_state *stream)
02209 {
02210 if(stream->config.cfg.g_pass != VPX_RC_FIRST_PASS)
02211 {
02212 int q;
02213
02214 vpx_codec_control(&stream->encoder, VP8E_GET_LAST_QUANTIZER_64, &q);
02215 ctx_exit_on_error(&stream->encoder, "Failed to read quantizer");
02216 stream->counts[q]++;
02217 }
02218 }
02219
02220
02221 static void get_cx_data(struct stream_state *stream,
02222 struct global_config *global,
02223 int *got_data)
02224 {
02225 const vpx_codec_cx_pkt_t *pkt;
02226 const struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
02227 vpx_codec_iter_t iter = NULL;
02228
02229 while ((pkt = vpx_codec_get_cx_data(&stream->encoder, &iter)))
02230 {
02231 static size_t fsize = 0;
02232 static off_t ivf_header_pos = 0;
02233
02234 *got_data = 1;
02235
02236 switch (pkt->kind)
02237 {
02238 case VPX_CODEC_CX_FRAME_PKT:
02239 if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT))
02240 {
02241 stream->frames_out++;
02242 }
02243 if (!global->quiet)
02244 fprintf(stderr, " %6luF",
02245 (unsigned long)pkt->data.frame.sz);
02246
02247 update_rate_histogram(&stream->rate_hist, cfg, pkt);
02248 if(stream->config.write_webm)
02249 {
02250
02251 if(!stream->ebml.debug)
02252 stream->hash = murmur(pkt->data.frame.buf,
02253 (int)pkt->data.frame.sz,
02254 stream->hash);
02255
02256 write_webm_block(&stream->ebml, cfg, pkt);
02257 }
02258 else
02259 {
02260 if (pkt->data.frame.partition_id <= 0)
02261 {
02262 ivf_header_pos = ftello(stream->file);
02263 fsize = pkt->data.frame.sz;
02264
02265 write_ivf_frame_header(stream->file, pkt);
02266 }
02267 else
02268 {
02269 fsize += pkt->data.frame.sz;
02270
02271 if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT))
02272 {
02273 off_t currpos = ftello(stream->file);
02274 fseeko(stream->file, ivf_header_pos, SEEK_SET);
02275 write_ivf_frame_size(stream->file, fsize);
02276 fseeko(stream->file, currpos, SEEK_SET);
02277 }
02278 }
02279
02280 (void) fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz,
02281 stream->file);
02282 }
02283 stream->nbytes += pkt->data.raw.sz;
02284 break;
02285 case VPX_CODEC_STATS_PKT:
02286 stream->frames_out++;
02287 if (!global->quiet)
02288 fprintf(stderr, " %6luS",
02289 (unsigned long)pkt->data.twopass_stats.sz);
02290 stats_write(&stream->stats,
02291 pkt->data.twopass_stats.buf,
02292 pkt->data.twopass_stats.sz);
02293 stream->nbytes += pkt->data.raw.sz;
02294 break;
02295 case VPX_CODEC_PSNR_PKT:
02296
02297 if (global->show_psnr)
02298 {
02299 int i;
02300
02301 stream->psnr_sse_total += pkt->data.psnr.sse[0];
02302 stream->psnr_samples_total += pkt->data.psnr.samples[0];
02303 for (i = 0; i < 4; i++)
02304 {
02305 if (!global->quiet)
02306 fprintf(stderr, "%.3f ", pkt->data.psnr.psnr[i]);
02307 stream->psnr_totals[i] += pkt->data.psnr.psnr[i];
02308 }
02309 stream->psnr_count++;
02310 }
02311
02312 break;
02313 default:
02314 break;
02315 }
02316 }
02317 }
02318
02319
02320 static void show_psnr(struct stream_state *stream)
02321 {
02322 int i;
02323 double ovpsnr;
02324
02325 if (!stream->psnr_count)
02326 return;
02327
02328 fprintf(stderr, "Stream %d PSNR (Overall/Avg/Y/U/V)", stream->index);
02329 ovpsnr = vp8_mse2psnr((double)stream->psnr_samples_total, 255.0,
02330 (double)stream->psnr_sse_total);
02331 fprintf(stderr, " %.3f", ovpsnr);
02332
02333 for (i = 0; i < 4; i++)
02334 {
02335 fprintf(stderr, " %.3f", stream->psnr_totals[i]/stream->psnr_count);
02336 }
02337 fprintf(stderr, "\n");
02338 }
02339
02340
02341 float usec_to_fps(uint64_t usec, unsigned int frames)
02342 {
02343 return (float)(usec > 0 ? frames * 1000000.0 / (float)usec : 0);
02344 }
02345
02346
02347 int main(int argc, const char **argv_)
02348 {
02349 int pass;
02350 vpx_image_t raw;
02351 int frame_avail, got_data;
02352
02353 struct input_state input = {0};
02354 struct global_config global;
02355 struct stream_state *streams = NULL;
02356 char **argv, **argi;
02357 unsigned long cx_time = 0;
02358 int stream_cnt = 0;
02359
02360 exec_name = argv_[0];
02361
02362 if (argc < 3)
02363 usage_exit();
02364
02365
02366 input.framerate.num = 30;
02367 input.framerate.den = 1;
02368 input.use_i420 = 1;
02369
02370
02371
02372
02373
02374 argv = argv_dup(argc - 1, argv_ + 1);
02375 parse_global_config(&global, argv);
02376
02377 {
02378
02379
02380
02381
02382 struct stream_state *stream = NULL;
02383
02384 do
02385 {
02386 stream = new_stream(&global, stream);
02387 stream_cnt++;
02388 if(!streams)
02389 streams = stream;
02390 } while(parse_stream_params(&global, stream, argv));
02391 }
02392
02393
02394 for (argi = argv; *argi; argi++)
02395 if (argi[0][0] == '-' && argi[0][1])
02396 die("Error: Unrecognized option %s\n", *argi);
02397
02398
02399 input.fn = argv[0];
02400
02401 if (!input.fn)
02402 usage_exit();
02403
02404 for (pass = global.pass ? global.pass - 1 : 0; pass < global.passes; pass++)
02405 {
02406 int frames_in = 0;
02407
02408 open_input_file(&input);
02409
02410
02411
02412
02413 if(!input.w || !input.h)
02414 FOREACH_STREAM({
02415 if(stream->config.cfg.g_w && stream->config.cfg.g_h)
02416 {
02417 input.w = stream->config.cfg.g_w;
02418 input.h = stream->config.cfg.g_h;
02419 break;
02420 }
02421 });
02422
02423
02424 FOREACH_STREAM(set_stream_dimensions(stream, input.w, input.h));
02425 FOREACH_STREAM(validate_stream_config(stream));
02426
02427
02428
02429
02430 if (global.pass && global.passes == 2)
02431 FOREACH_STREAM({
02432 if(!stream->config.stats_fn)
02433 die("Stream %d: Must specify --fpf when --pass=%d"
02434 " and --passes=2\n", stream->index, global.pass);
02435 });
02436
02437
02438
02439
02440
02441 if (!global.have_framerate)
02442 global.framerate = input.framerate;
02443
02444 FOREACH_STREAM(set_default_kf_interval(stream, &global));
02445
02446
02447 if (global.verbose && pass == 0)
02448 FOREACH_STREAM(show_stream_config(stream, &global, &input));
02449
02450 if(pass == (global.pass ? global.pass - 1 : 0)) {
02451 if (input.file_type == FILE_TYPE_Y4M)
02452
02453
02454
02455 memset(&raw, 0, sizeof(raw));
02456 else
02457 vpx_img_alloc(&raw,
02458 input.use_i420 ? VPX_IMG_FMT_I420
02459 : VPX_IMG_FMT_YV12,
02460 input.w, input.h, 32);
02461
02462 FOREACH_STREAM(init_rate_histogram(&stream->rate_hist,
02463 &stream->config.cfg,
02464 &global.framerate));
02465 }
02466
02467 FOREACH_STREAM(open_output_file(stream, &global));
02468 FOREACH_STREAM(setup_pass(stream, &global, pass));
02469 FOREACH_STREAM(initialize_encoder(stream, &global));
02470
02471 frame_avail = 1;
02472 got_data = 0;
02473
02474 while (frame_avail || got_data)
02475 {
02476 struct vpx_usec_timer timer;
02477
02478 if (!global.limit || frames_in < global.limit)
02479 {
02480 frame_avail = read_frame(&input, &raw);
02481
02482 if (frame_avail)
02483 frames_in++;
02484
02485 if (!global.quiet)
02486 {
02487 if(stream_cnt == 1)
02488 fprintf(stderr,
02489 "\rPass %d/%d frame %4d/%-4d %7"PRId64"B \033[K",
02490 pass + 1, global.passes, frames_in,
02491 streams->frames_out, (int64_t)streams->nbytes);
02492 else
02493 fprintf(stderr,
02494 "\rPass %d/%d frame %4d %7lu %s (%.2f fps)\033[K",
02495 pass + 1, global.passes, frames_in,
02496 cx_time > 9999999 ? cx_time / 1000 : cx_time,
02497 cx_time > 9999999 ? "ms" : "us",
02498 usec_to_fps(cx_time, frames_in));
02499 }
02500
02501 }
02502 else
02503 frame_avail = 0;
02504
02505 vpx_usec_timer_start(&timer);
02506 FOREACH_STREAM(encode_frame(stream, &global,
02507 frame_avail ? &raw : NULL,
02508 frames_in));
02509 vpx_usec_timer_mark(&timer);
02510 cx_time += (unsigned long)vpx_usec_timer_elapsed(&timer);
02511
02512 FOREACH_STREAM(update_quantizer_histogram(stream));
02513
02514 got_data = 0;
02515 FOREACH_STREAM(get_cx_data(stream, &global, &got_data));
02516
02517 fflush(stdout);
02518 }
02519
02520 if(stream_cnt > 1)
02521 fprintf(stderr, "\n");
02522
02523 if (!global.quiet)
02524 FOREACH_STREAM(fprintf(
02525 stderr,
02526 "\rPass %d/%d frame %4d/%-4d %7"PRId64"B %7lub/f %7"PRId64"b/s"
02527 " %7"PRId64" %s (%.2f fps)\033[K\n", pass + 1,
02528 global.passes, frames_in, stream->frames_out, (int64_t)stream->nbytes,
02529 frames_in ? (unsigned long)(stream->nbytes * 8 / frames_in) : 0,
02530 frames_in ? (int64_t)stream->nbytes * 8
02531 * (int64_t)global.framerate.num / global.framerate.den
02532 / frames_in
02533 : 0,
02534 stream->cx_time > 9999999 ? stream->cx_time / 1000 : stream->cx_time,
02535 stream->cx_time > 9999999 ? "ms" : "us",
02536 usec_to_fps(stream->cx_time, frames_in));
02537 );
02538
02539 if (global.show_psnr)
02540 FOREACH_STREAM(show_psnr(stream));
02541
02542 FOREACH_STREAM(vpx_codec_destroy(&stream->encoder));
02543
02544 close_input_file(&input);
02545
02546 FOREACH_STREAM(close_output_file(stream, global.codec->fourcc));
02547
02548 FOREACH_STREAM(stats_close(&stream->stats, global.passes-1));
02549
02550 if (global.pass)
02551 break;
02552 }
02553
02554 if (global.show_q_hist_buckets)
02555 FOREACH_STREAM(show_q_histogram(stream->counts,
02556 global.show_q_hist_buckets));
02557
02558 if (global.show_rate_hist_buckets)
02559 FOREACH_STREAM(show_rate_histogram(&stream->rate_hist,
02560 &stream->config.cfg,
02561 global.show_rate_hist_buckets));
02562 FOREACH_STREAM(destroy_rate_histogram(&stream->rate_hist));
02563
02564 vpx_img_free(&raw);
02565 free(argv);
02566 free(streams);
02567 return EXIT_SUCCESS;
02568 }