diff options
Diffstat (limited to 'libmpdemux/demux_mov.c')
| -rw-r--r-- | libmpdemux/demux_mov.c | 2350 |
1 files changed, 0 insertions, 2350 deletions
diff --git a/libmpdemux/demux_mov.c b/libmpdemux/demux_mov.c deleted file mode 100644 index 96fb1a2d86..0000000000 --- a/libmpdemux/demux_mov.c +++ /dev/null @@ -1,2350 +0,0 @@ -/* - * QuickTime MOV file parser - * copyright(c) 2001 A'rpi - * additional work by Atmos - * based on TOOLS/movinfo.c by A'rpi & Al3x - * compressed header support from moov.c of the openquicktime lib. - * - * references: http://openquicktime.sf.net/, http://www.heroinewarrior.com/ - * http://www.geocities.com/SiliconValley/Lakes/2160/fformats/files/mov.pdf - * (above URL no longer works, file mirrored somewhere? ::atmos) - * The QuickTime File Format PDF from Apple: - * http://developer.apple.com/techpubs/quicktime/qtdevdocs/PDF/QTFileFormat.pdf - * (Complete list of documentation at http://developer.apple.com/quicktime/) - * MP4-Lib sources from http://mpeg4ip.sf.net/ might be useful for .mp4 - * as well as .mov specific stuff. - * - * All sort of Stuff about MPEG4: - * http://www.cmlab.csie.ntu.edu.tw/~pkhsiao/thesis.html - * I really recommend N4270-1.doc and N4270-2.doc which are exact specs - * of the MP4-File Format and the MPEG4 Specific extensions. ::atmos - * TSGS#15(02)0088 - * http://www.3gpp.org/ftp/tsg_sa/TSG_SA/TSGS_15/Docs/pdf/SP-020088.pdf - * http://www.3gpp2.org/Public_html/specs/C.S0050-0_v1.0_121503.pdf - * - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <inttypes.h> - -#include <libavutil/common.h> -#include <libavutil/intreadwrite.h> - -#include "config.h" - -#ifdef CONFIG_QUICKTIME -#include <QuickTime/QuickTime.h> -#include <QuickTime/ImageCompression.h> -#include <QuickTime/ImageCodec.h> -#else -#include "loader/qtx/qtxsdk/components.h" -#endif - -#if CONFIG_ZLIB -#include <zlib.h> -#endif - -#ifndef _FCNTL_H -#include <fcntl.h> -#endif - -#include "mp_msg.h" - -#include "stream/stream.h" -#include "demuxer.h" -#include "stheader.h" - -#include "libmpcodecs/img_format.h" - -#include "sub/sub.h" - -#include "demux_mov.h" -#include "qtpalette.h" -#include "parse_mp4.h" // .MP4 specific stuff - -#define char2short(x,y) AV_RB16(&(x)[(y)]) -#define char2int(x,y) AV_RB32(&(x)[(y)]) - -typedef struct { - unsigned int pts; // duration - unsigned int size; - off_t pos; -} mov_sample_t; - -typedef struct { - unsigned int sample; // number of the first sample in the chunk - unsigned int size; // number of samples in the chunk - int desc; // for multiple codecs mode - not used - off_t pos; -} mov_chunk_t; - -typedef struct { - unsigned int first; - unsigned int spc; - unsigned int sdid; -} mov_chunkmap_t; - -typedef struct { - unsigned int num; - unsigned int dur; -} mov_durmap_t; - -typedef struct { - unsigned int dur; - unsigned int pos; - int speed; - // - int frames; - int start_sample; - int start_frame; - int pts_offset; -} mov_editlist_t; - -#define MOV_TRAK_UNKNOWN 0 -#define MOV_TRAK_VIDEO 1 -#define MOV_TRAK_AUDIO 2 -#define MOV_TRAK_FLASH 3 -#define MOV_TRAK_GENERIC 4 -#define MOV_TRAK_CODE 5 - -typedef struct { - int id; - int type; - off_t pos; - // - unsigned int media_handler; - unsigned int data_handler; - // - int timescale; - unsigned int length; - int samplesize; // 0 = variable - int duration; // 0 = variable - int width,height; // for video - unsigned int fourcc; - unsigned int nchannels; - unsigned int samplebytes; - // - int tkdata_len; // track data - unsigned char* tkdata; - int stdata_len; // stream data - unsigned char* stdata; - // - unsigned char* stream_header; - int stream_header_len; // if >0, this header should be sent before the 1st frame - // - int samples_size; - mov_sample_t* samples; - int chunks_size; - mov_chunk_t* chunks; - int chunkmap_size; - mov_chunkmap_t* chunkmap; - int durmap_size; - mov_durmap_t* durmap; - int keyframes_size; - unsigned int* keyframes; - int editlist_size; - mov_editlist_t* editlist; - int editlist_pos; - // - void* desc; // image/sound/etc description (pointer to ImageDescription etc) -} mov_track_t; - -static void mov_build_index(mov_track_t* trak,int timescale){ - int i,j,s; - int last=trak->chunks_size; - unsigned int pts=0; - -#if 0 - if (trak->chunks_size <= 0) - { - mp_msg(MSGT_DEMUX, MSGL_WARN, "No chunk offset table, trying to build one!\n"); - - trak->chunks_size = trak->samples_size; /* XXX: FIXME ! */ - // audit: this code will be vulnerable if it is reenabled (currently #if 0) - trak->chunks = realloc(trak->chunks, sizeof(mov_chunk_t)*trak->chunks_size); - - for (i=0; i < trak->chunks_size; i++) - trak->chunks[i].pos = -1; - } -#endif - - mp_msg(MSGT_DEMUX, MSGL_V, "MOV track #%d: %d chunks, %d samples\n",trak->id,trak->chunks_size,trak->samples_size); - mp_msg(MSGT_DEMUX, MSGL_V, "pts=%d scale=%d time=%5.3f\n",trak->length,trak->timescale,(float)trak->length/(float)trak->timescale); - - // process chunkmap: - i=trak->chunkmap_size; - while(i>0){ - --i; - j=trak->chunkmap[i].first; - for(;j>=0 && j<last;j++){ - trak->chunks[j].desc=trak->chunkmap[i].sdid; - trak->chunks[j].size=trak->chunkmap[i].spc; - } - last=FFMIN(trak->chunkmap[i].first, trak->chunks_size); - } - -#if 0 - for (i=0; i < trak->chunks_size; i++) - { - /* fixup position */ - if (trak->chunks[i].pos == -1) - if (i > 0) - trak->chunks[i].pos = trak->chunks[i-1].pos + trak->chunks[i-1].size; - else - trak->chunks[i].pos = 0; /* FIXME: set initial pos */ -#endif - - // calc pts of chunks: - s=0; - for(j=0;j<trak->chunks_size;j++){ - trak->chunks[j].sample=s; - s+=trak->chunks[j].size; - } - i = 0; - for (j = 0; j < trak->durmap_size; j++) - i += trak->durmap[j].num; - if (i != s) { - mp_msg(MSGT_DEMUX, MSGL_WARN, - "MOV: durmap and chunkmap sample count differ (%i vs %i)\n", i, s); - if (i > s) s = i; - } - - // workaround for fixed-size video frames (dv and uncompressed) - if(!trak->samples_size && trak->type!=MOV_TRAK_AUDIO){ - trak->samples=calloc(s, sizeof(mov_sample_t)); - trak->samples_size=trak->samples ? s : 0; - for(i=0;i<trak->samples_size;i++) - trak->samples[i].size=trak->samplesize; - trak->samplesize=0; - } - - if(!trak->samples_size){ - // constant sampesize - if(trak->durmap_size==1 || (trak->durmap_size==2 && trak->durmap[1].num==1)){ - trak->duration=trak->durmap[0].dur; - } else mp_msg(MSGT_DEMUX, MSGL_ERR, "*** constant samplesize & variable duration not yet supported! ***\nContact the author if you have such sample file!\n"); - return; - } - - if (trak->samples_size < s) { - mp_msg(MSGT_DEMUX, MSGL_WARN, - "MOV: durmap or chunkmap bigger than sample count (%i vs %i)\n", - s, trak->samples_size); - free(trak->samples); - trak->samples = calloc(s, sizeof(mov_sample_t)); - trak->samples_size = trak->samples ? s : 0; - } - - // calc pts: - s=0; - for(j=0;j<trak->durmap_size;j++){ - for(i=0;i<trak->durmap[j].num;i++){ - if (s >= trak->samples_size) - break; - trak->samples[s].pts=pts; - ++s; - pts+=trak->durmap[j].dur; - } - } - - // calc sample offsets - s=0; - for(j=0;j<trak->chunks_size;j++){ - off_t pos=trak->chunks[j].pos; - for(i=0;i<trak->chunks[j].size;i++){ - if (s >= trak->samples_size) - break; - trak->samples[s].pos=pos; - mp_msg(MSGT_DEMUX, MSGL_DBG3, "Sample %5d: pts=%8d off=0x%08X size=%d\n",s, - trak->samples[s].pts, - (int)trak->samples[s].pos, - trak->samples[s].size); - pos+=trak->samples[s].size; - ++s; - } - } - - // precalc editlist entries - if(trak->editlist_size>0){ - int frame=0; - int e_pts=0; - for(i=0;i<trak->editlist_size;i++){ - mov_editlist_t* el=&trak->editlist[i]; - int sample=0; - int pts=el->pos; - el->start_frame=frame; - if(pts<0){ - // skip! - el->frames=0; continue; - } - // find start sample - for(;sample<trak->samples_size;sample++){ - if(pts<=trak->samples[sample].pts) break; - } - el->start_sample=sample; - el->pts_offset=((long long)e_pts*(long long)trak->timescale)/(long long)timescale-trak->samples[sample].pts; - pts+=((long long)el->dur*(long long)trak->timescale)/(long long)timescale; - e_pts+=el->dur; - // find end sample - for(;sample<trak->samples_size;sample++){ - if(pts<trak->samples[sample].pts) break; - } - el->frames=sample-el->start_sample; - frame+=el->frames; - mp_msg(MSGT_DEMUX,MSGL_V,"EL#%d: pts=%d 1st_sample=%d frames=%d (%5.3fs) pts_offs=%d\n",i, - el->pos,el->start_sample, el->frames, - (float)(el->dur)/(float)timescale, el->pts_offset); - } - } - -} - -#define MOV_MAX_TRACKS 256 -#define MOV_MAX_SUBLEN 1024 - -typedef struct { - off_t moov_start; - off_t moov_end; - off_t mdat_start; - off_t mdat_end; - int track_db; - mov_track_t* tracks[MOV_MAX_TRACKS]; - int timescale; // movie timescale - int duration; // movie duration (in movie timescale units) - subtitle subs; - char subtext[MOV_MAX_SUBLEN + 1]; - int current_sub; -} mov_priv_t; - -#define MOV_FOURCC(a,b,c,d) ((a<<24)|(b<<16)|(c<<8)|(d)) - -static int mov_check_file(demuxer_t* demuxer){ - int flags=0; - int no=0; - mov_priv_t* priv=calloc(1, sizeof(mov_priv_t)); - - mp_msg(MSGT_DEMUX,MSGL_V,"Checking for MOV\n"); - - priv->current_sub = -1; - - while(1){ - int i; - int skipped=8; - off_t len=stream_read_dword(demuxer->stream); - unsigned int id=stream_read_dword(demuxer->stream); - if(stream_eof(demuxer->stream)) break; // EOF - if (len == 1) /* real size is 64bits - cjb */ - { -#ifndef _LARGEFILE_SOURCE - if (stream_read_dword(demuxer->stream) != 0) - mp_msg(MSGT_DEMUX, MSGL_WARN, "64bit file, but you've compiled MPlayer without LARGEFILE support!\n"); - len = stream_read_dword(demuxer->stream); -#else - len = stream_read_qword(demuxer->stream); -#endif - skipped += 8; - } -#if 0 - else if (len == 0) /* deleted chunk */ - { - /* XXX: CJB! is this right? - alex */ - goto skip_chunk; - } -#endif - if(len<8) break; // invalid chunk - - switch(id){ - case MOV_FOURCC('f','t','y','p'): { - unsigned int tmp; - // File Type Box (ftyp): - // char[4] major_brand (eg. 'isom') - // int minor_version (eg. 0x00000000) - // char[4] compatible_brands[] (eg. 'mp41') - // compatible_brands list spans to the end of box -#if 1 - tmp = stream_read_dword(demuxer->stream); - switch(tmp) { - case MOV_FOURCC('i','s','o','m'): - mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Major Brand: ISO Base Media\n"); - break; - case MOV_FOURCC('m','p','4','1'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v1\n"); - break; - case MOV_FOURCC('m','p','4','2'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v2\n"); - break; - case MOV_FOURCC('M','4','A',' '): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Apple iTunes AAC-LC Audio\n"); - break; - case MOV_FOURCC('M','4','P',' '): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Apple iTunes AAC-LC Protected Audio\n"); - break; - case MOV_FOURCC('q','t',' ',' '): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Original QuickTime\n"); - break; - case MOV_FOURCC('3','g','p','1'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 1\n"); - break; - case MOV_FOURCC('3','g','p','2'): - case MOV_FOURCC('3','g','2','a'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 2\n"); - break; - case MOV_FOURCC('3','g','p','3'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 3\n"); - break; - case MOV_FOURCC('3','g','p','4'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 4\n"); - break; - case MOV_FOURCC('3','g','p','5'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: 3GPP Profile 5\n"); - break; - case MOV_FOURCC('m','m','p','4'): - mp_msg(MSGT_DEMUX,MSGL_INFO,"ISO: File Type Major Brand: Mobile ISO/IEC 14496-1 (MPEG-4 system)\n"); - break; - default: - tmp = be2me_32(tmp); - mp_msg(MSGT_DEMUX,MSGL_WARN,"ISO: Unknown File Type Major Brand: %.4s\n",(char *)&tmp); - } - mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Minor Version: %d\n", - stream_read_dword(demuxer->stream)); - skipped += 8; - // List all compatible brands - for(i = 0; i < ((len-16)/4); i++) { - tmp = be2me_32(stream_read_dword(demuxer->stream)); - mp_msg(MSGT_DEMUX,MSGL_V,"ISO: File Type Compatible Brand #%d: %.4s\n",i,(char *)&tmp); - skipped += 4; - } -#endif - } break; - case MOV_FOURCC('m','o','o','v'): -// case MOV_FOURCC('c','m','o','v'): - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie header found!\n"); - priv->moov_start=(off_t)stream_tell(demuxer->stream); - priv->moov_end=(off_t)priv->moov_start+len-skipped; - mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: Movie header: start: %"PRIx64" end: %"PRIx64"\n", - (int64_t)priv->moov_start, (int64_t)priv->moov_end); - skipped+=8; - i = stream_read_dword(demuxer->stream)-8; - if(stream_read_dword(demuxer->stream)==MOV_FOURCC('r','m','r','a')){ - skipped+=i; - mp_msg(MSGT_DEMUX,MSGL_INFO,"MOV: Reference Media file!!!\n"); - //set demuxer type to playlist ... - demuxer->type=DEMUXER_TYPE_PLAYLIST; - while(i>0){ - int len=stream_read_dword(demuxer->stream)-8; - int fcc=stream_read_dword(demuxer->stream); - if(len<0) break; // EOF!? - i-=8; -// printf("i=%d len=%d\n",i,len); - switch(fcc){ - case MOV_FOURCC('r','m','d','a'): - continue; - case MOV_FOURCC('r','d','r','f'): { - av_unused int tmp=stream_read_dword(demuxer->stream); - av_unused int type=stream_read_dword_le(demuxer->stream); - int slen=stream_read_dword(demuxer->stream); - //char* s=malloc(slen+1); - //stream_read(demuxer->stream,s,slen); - - //FIXME: also store type & data_rate ? - ds_read_packet(demuxer->video, - demuxer->stream, - slen, - 0, - stream_tell(demuxer->stream), - 0 // no flags - ); - flags|=4; - mp_msg(MSGT_DEMUX,MSGL_V,"Added reference to playlist\n"); - //s[slen]=0; - //mp_msg(MSGT_DEMUX,MSGL_INFO,"REF: [%.4s] %s\n",&type,s); - len-=12+slen;i-=12+slen; break; - } - case MOV_FOURCC('r','m','d','r'): { - av_unused int flags=stream_read_dword(demuxer->stream); - int rate=stream_read_dword(demuxer->stream); - mp_msg(MSGT_DEMUX,MSGL_V," min. data rate: %d bits/sec\n",rate); - len-=8; i-=8; break; - } - case MOV_FOURCC('r','m','q','u'): { - int q=stream_read_dword(demuxer->stream); - mp_msg(MSGT_DEMUX,MSGL_V," quality index: %d\n",q); - len-=4; i-=4; break; - } - } - i-=len;stream_skip(demuxer->stream,len); - } - } - flags|=1; - break; - case MOV_FOURCC('w','i','d','e'): - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: 'WIDE' chunk found!\n"); - if(flags&2) break; - case MOV_FOURCC('m','d','a','t'): - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Movie DATA found!\n"); - priv->mdat_start=stream_tell(demuxer->stream); - priv->mdat_end=priv->mdat_start+len-skipped; - mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: Movie data: start: %"PRIx64" end: %"PRIx64"\n", - (int64_t)priv->mdat_start, (int64_t)priv->mdat_end); - flags|=2; - if(flags==3){ - // if we're over the headers, then we can stop parsing here! - demuxer->priv=priv; - return DEMUXER_TYPE_MOV; - } - break; - case MOV_FOURCC('f','r','e','e'): - case MOV_FOURCC('s','k','i','p'): - case MOV_FOURCC('j','u','n','k'): - mp_msg(MSGT_DEMUX,MSGL_DBG2,"MOV: free space (len: %"PRId64")\n", (int64_t)len); - /* unused, if you edit a mov, you can use space provided by free atoms (redefining it) */ - break; - case MOV_FOURCC('p','n','o','t'): - case MOV_FOURCC('P','I','C','T'): - /* dunno what, but we shoudl ignore it */ - break; - default: - if(no==0){ free(priv); return 0;} // first chunk is bad! - id = be2me_32(id); - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len); - } -//skip_chunk: - if(!stream_skip(demuxer->stream,len-skipped)) break; - ++no; - } - - if(flags==3){ - demuxer->priv=priv; - return DEMUXER_TYPE_MOV; - } - free(priv); - - if ((flags==5) || (flags==7)) // reference & header sent - return DEMUXER_TYPE_PLAYLIST; - - if(flags==1) - mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing data (mdat) chunk! Maybe broken file...\n"); - else if(flags==2) - mp_msg(MSGT_DEMUX,MSGL_WARN,"MOV: missing header (moov/cmov) chunk! Maybe broken file...\n"); - - return 0; -} - -static void demux_close_mov(demuxer_t *demuxer) { - mov_priv_t* priv = demuxer->priv; - int i; - if (!priv) - return; - for (i = 0; i < MOV_MAX_TRACKS; i++) { - mov_track_t *track = priv->tracks[i]; - if (track) { - free(track->tkdata); - free(track->stdata); - free(track->stream_header); - free(track->samples); - free(track->chunks); - free(track->chunkmap); - free(track->durmap); - free(track->keyframes); - free(track->editlist); - free(track->desc); - free(track); - } - } - free(priv); -} - -unsigned int store_ughvlc(unsigned char *s, unsigned int v){ - unsigned int n = 0; - - while(v >= 0xff) { - *s++ = 0xff; - v -= 0xff; - n++; - } - *s = v; - n++; - - return n; -} - -static void init_vobsub(sh_sub_t *sh, mov_track_t *trak) { - sh->type = 'v'; - if (trak->stdata_len < 106) - return; - sh->extradata_len = 16*4; - sh->extradata = malloc(sh->extradata_len); - memcpy(sh->extradata, trak->stdata + 42, sh->extradata_len); -} - -static int lschunks_intrak(demuxer_t* demuxer, int level, unsigned int id, - off_t pos, off_t len, mov_track_t* trak); - -static int gen_sh_audio(sh_audio_t* sh, mov_track_t* trak, int timescale) { -#if 0 - struct { - int16_t version; // 0 or 1 (version 1 is qt3.0+) - int16_t revision; // 0 - int32_t vendor_id; // 0 - int16_t channels; // 1 or 2 (Mono/Stereo) - int16_t samplesize; // 8 or 16 (8Bit/16Bit) - int16_t compression_id; // if version 0 then 0 - // if version 1 and vbr then -2 else 0 - int16_t packet_size; // 0 - uint16_t sample_rate; // samplerate (Hz) - // qt3.0+ (version == 1) - uint32_t samples_per_packet; // 0 or num uncompressed samples in a packet - // if 0 below three values are also 0 - uint32_t bytes_per_packet; // 0 or num compressed bytes for one channel - uint32_t bytes_per_frame; // 0 or num compressed bytes for all channels - // (channels * bytes_per_packet) - uint32_t bytes_per_sample; // 0 or size of uncompressed sample - // if samples_per_packet and bytes_per_packet are constant (CBR) - // then bytes_per_frame and bytes_per_sample must be 0 (else is VBR) - // --- - // optional additional atom-based fields - // ([int32_t size,int32_t type,some data ],repeat) - } my_stdata; -#endif - int version = -1, adjust; - int is_vorbis = 0; - sh->format=trak->fourcc; - - // crude audio delay from editlist0 hack ::atm - if(trak->editlist_size>=1) { - if(trak->editlist[0].pos == -1) { - sh->stream_delay = (float)trak->editlist[0].dur/(float)timescale; - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Initial Audio-Delay: %.3f sec\n", sh->stream_delay); - } - } - - - switch( sh->format ) { - case 0x726D6173: /* samr */ - /* amr narrowband */ - trak->samplebytes=sh->samplesize=1; - trak->nchannels=sh->channels=1; - sh->samplerate=8000; - break; - - case 0x62776173: /* sawb */ - /* amr wideband */ - trak->samplebytes=sh->samplesize=1; - trak->nchannels=sh->channels=1; - sh->samplerate=16000; - break; - - default: - -// assumptions for below table: short is 16bit, int is 32bit, intfp is 16bit -// XXX: 32bit fixed point numbers (intfp) are only 2 Byte! -// short values are usually one byte leftpadded by zero -// int values are usually two byte leftpadded by zero -// stdata[]: -// 8 short version -// 10 short revision -// 12 int vendor_id -// 16 short channels -// 18 short samplesize -// 20 short compression_id -// 22 short packet_size (==0) -// 24 intfp sample_rate -// (26 short) unknown (==0) -// ---- qt3.0+ (version>=1) -// 28 int samples_per_packet -// 32 int bytes_per_packet -// 36 int bytes_per_frame -// 40 int bytes_per_sample -// there may be additional atoms following at 28 (version 0) -// or 44 (version 1), eg. esds atom of .MP4 files -// esds atom: -// 28 int atom size (bytes of int size, int type and data) -// 32 char[4] atom type (fourc charater code -> esds) -// 36 char[] atom data (len=size-8) - -// TODO: fix parsing for files using version 2. - if (trak->stdata_len < 26) { - mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: broken (too small) sound atom!\n"); - return 0; - } - version=char2short(trak->stdata,8); - if (version > 1) - mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: version %d sound atom may not parse correctly!\n", version); - trak->samplebytes=sh->samplesize=char2short(trak->stdata,18)/8; - - /* I can't find documentation, but so far this is the case. -Corey */ - switch (char2short(trak->stdata,16)) { - case 1: - trak->nchannels = 1; break; - case 2: - trak->nchannels = 2; break; - case 3: - trak->nchannels = 6; break; - default: - mp_msg(MSGT_DEMUX, MSGL_WARN, - "MOV: unable to determine audio channels, assuming 2 (got %d)\n", - char2short(trak->stdata,16)); - trak->nchannels = 2; - } - sh->channels = trak->nchannels; - - /*printf("MOV: timescale: %d samplerate: %d durmap: %d (%d) -> %d (%d)\n", - trak->timescale, char2short(trak->stdata,24), trak->durmap[0].dur, - trak->durmap[0].num, trak->timescale/trak->durmap[0].dur, - char2short(trak->stdata,24)/trak->durmap[0].dur);*/ - sh->samplerate=char2short(trak->stdata,24); - if((sh->samplerate < 7000) && trak->durmap && trak->durmap[0].dur > 1) { - switch(char2short(trak->stdata,24)/trak->durmap[0].dur) { - // TODO: add more cases. - case 31: - sh->samplerate = 32000; break; - case 43: - sh->samplerate = 44100; break; - case 47: - sh->samplerate = 48000; break; - default: - mp_msg(MSGT_DEMUX, MSGL_WARN, - "MOV: unable to determine audio samplerate, " - "assuming 44.1kHz (got %d)\n", - char2short(trak->stdata,24)/trak->durmap[0].dur); - sh->samplerate = 44100; - } - } - } - mp_msg(MSGT_DEMUX, MSGL_V, "Audio bits: %d chans: %d rate: %d\n", - sh->samplesize*8,sh->channels,sh->samplerate); - - if(trak->stdata_len >= 44 && trak->stdata[9]>=1){ - mp_msg(MSGT_DEMUX,MSGL_V,"Audio header: samp/pack=%d bytes/pack=%d bytes/frame=%d bytes/samp=%d \n", - char2int(trak->stdata,28), - char2int(trak->stdata,32), - char2int(trak->stdata,36), - char2int(trak->stdata,40)); - if(trak->stdata_len>=44+8){ - int len=char2int(trak->stdata,44); - int fcc=char2int(trak->stdata,48); - // we have extra audio headers!!! - mp_msg(MSGT_DEMUX,MSGL_V,"Audio extra header: len=%d fcc=0x%X\n",len,fcc); - if((len >= 4) && - (char2int(trak->stdata,52) >= 12) && - (char2int(trak->stdata,52+4) == MOV_FOURCC('f','r','m','a'))) { - switch(char2int(trak->stdata,52+8)) { - case MOV_FOURCC('a','l','a','c'): - if (len >= 36 + char2int(trak->stdata,52)) { - sh->codecdata_len = char2int(trak->stdata,52+char2int(trak->stdata,52)); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found alac atom (%d)!\n", sh->codecdata_len); - sh->codecdata = malloc(sh->codecdata_len); - memcpy(sh->codecdata, &trak->stdata[52+char2int(trak->stdata,52)], sh->codecdata_len); - } - break; - case MOV_FOURCC('i','n','2','4'): - case MOV_FOURCC('i','n','3','2'): - case MOV_FOURCC('f','l','3','2'): - case MOV_FOURCC('f','l','6','4'): - if ((len >= 22) && - (char2int(trak->stdata,52+16)==MOV_FOURCC('e','n','d','a')) && - (char2short(trak->stdata,52+20))) { - sh->format=char2int(trak->stdata,52+8); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found little endian PCM data, reversed fourcc:%04x\n", sh->format); - } - break; - default: - if (len > 8 && len + 44 <= trak->stdata_len) { - sh->codecdata_len = len-8; - sh->codecdata = malloc(sh->codecdata_len); - memcpy(sh->codecdata, trak->stdata+44+8, sh->codecdata_len); - } - } - } else { - if (len > 8 && len + 44 <= trak->stdata_len) { - sh->codecdata_len = len-8; - sh->codecdata = malloc(sh->codecdata_len); - memcpy(sh->codecdata, trak->stdata+44+8, sh->codecdata_len); - } - } - } - } - - switch (version) { - case 0: - adjust = 0; break; - case 1: - adjust = 48; break; - case 2: - adjust = 68; break; - default: - mp_msg(MSGT_DEMUX, MSGL_WARN, "MOV: unknown sound atom version (%d); may not work!\n", version); - adjust = 68; - } - if (trak->stdata_len >= 36 + adjust) { - int atom_len = char2int(trak->stdata,28+adjust); - if (atom_len < 0 || atom_len > trak->stdata_len - 28 - adjust) atom_len = trak->stdata_len - 28 - adjust; - switch(char2int(trak->stdata,32+adjust)) { // atom type - case MOV_FOURCC('e','s','d','s'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found MPEG4 audio Elementary Stream Descriptor atom (%d)!\n", atom_len); - if(atom_len > 8) { - esds_t esds; - if(!mp4_parse_esds(&trak->stdata[36+adjust], atom_len-8, &esds)) { - /* 0xdd is a "user private" id, not an official allocated id (see http://www.mp4ra.org/object.html), - so perform some extra checks to be sure that this is really vorbis audio */ - if(esds.objectTypeId==0xdd && esds.streamType==0x15 && sh->format==0x6134706D && esds.decoderConfigLen > 8) - { - //vorbis audio - unsigned char *buf[3]; - unsigned short sizes[3]; - int offset, len, k; - unsigned char *ptr = esds.decoderConfig; - - if(ptr[0] != 0 || ptr[1] != 30) goto quit_vorbis_block; //wrong extradata layout - - offset = len = 0; - for(k = 0; k < 3; k++) - { - sizes[k] = (ptr[offset]<<8) | ptr[offset+1]; - len += sizes[k]; - offset += 2; - if(offset + sizes[k] > esds.decoderConfigLen) - { - mp_msg(MSGT_DEMUX, MSGL_FATAL, "MOV: ERROR!, not enough vorbis extradata to read: offset = %d, k=%d, size=%d, len: %d\n", offset, k, sizes[k], esds.decoderConfigLen); - goto quit_vorbis_block; - } - buf[k] = malloc(sizes[k]); - if(!buf[k]) goto quit_vorbis_block; - memcpy(buf[k], &ptr[offset], sizes[k]); - offset += sizes[k]; - } - - sh->codecdata_len = len + len/255 + 64; - sh->codecdata = malloc(sh->codecdata_len); - ptr = sh->codecdata; - - ptr[0] = 2; - offset = 1; - offset += store_ughvlc(&ptr[offset], sizes[0]); - offset += store_ughvlc(&ptr[offset], sizes[1]); - for(k = 0; k < 3; k++) - { - memcpy(&ptr[offset], buf[k], sizes[k]); - offset += sizes[k]; - } - - sh->codecdata_len = offset; - sh->codecdata = realloc(sh->codecdata, offset); - mp_msg(MSGT_DEMUX,MSGL_V, "demux_mov, vorbis extradata size: %d\n", offset); - is_vorbis = 1; -quit_vorbis_block: - sh->format = mmioFOURCC('v', 'r', 'b', 's'); - } - sh->i_bps = esds.avgBitrate/8; - -// printf("######## audio format = %d ########\n",esds.objectTypeId); - if(esds.objectTypeId==MP4OTI_MPEG1Audio || esds.objectTypeId==MP4OTI_MPEG2AudioPart3) - sh->format=0x55; // .mp3 - - if(esds.objectTypeId==MP4OTI_13kVoice) { // 13K Voice, defined by 3GPP2 - sh->format=mmioFOURCC('Q', 'c', 'l', 'p'); - trak->nchannels=sh->channels=1; - trak->samplebytes=sh->samplesize=1; - } - - // dump away the codec specific configuration for the AAC decoder - if(esds.decoderConfigLen){ - if( (esds.decoderConfig[0]>>3) == 29 ) - sh->format = 0x1d61346d; // request multi-channel mp3 decoder - if(!is_vorbis) - { - sh->codecdata_len = esds.decoderConfigLen; - sh->codecdata = malloc(sh->codecdata_len); - memcpy(sh->codecdata, esds.decoderConfig, sh->codecdata_len); - } - } - } - mp4_free_esds(&esds); // freeup esds mem -#if 0 - { FILE* f=fopen("esds.dat","wb"); - fwrite(&trak->stdata[36],atom_len-8,1,f); - fclose(f); } -#endif - } - } break; - case MOV_FOURCC('a','l','a','c'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found alac atom (%d)!\n", atom_len); - if(atom_len > 8) { - // copy all the atom (not only payload) for lavc alac decoder - sh->codecdata_len = atom_len; - sh->codecdata = malloc(sh->codecdata_len); - memcpy(sh->codecdata, &trak->stdata[28], sh->codecdata_len); - } - } break; - case MOV_FOURCC('d','a','m','r'): - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found AMR audio atom %c%c%c%c (%d)!\n", trak->stdata[32+adjust],trak->stdata[33+adjust],trak->stdata[34+adjust],trak->stdata[35+adjust], atom_len); - if (atom_len>14) { - mp_msg(MSGT_DEMUX, MSGL_V, "mov: vendor: %c%c%c%c Version: %d\n",trak->stdata[36+adjust],trak->stdata[37+adjust],trak->stdata[38+adjust], trak->stdata[39+adjust],trak->stdata[40+adjust]); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Modes set: %02x%02x\n",trak->stdata[41+adjust],trak->stdata[42+adjust]); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Mode change period: %d Frames per sample: %d\n",trak->stdata[43+adjust],trak->stdata[44+adjust]); - } - break; - default: - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unknown audio atom %c%c%c%c (%d)!\n", - trak->stdata[32+adjust],trak->stdata[33+adjust],trak->stdata[34+adjust],trak->stdata[35+adjust], - atom_len); - } - } - mp_msg(MSGT_DEMUX, MSGL_V, "Fourcc: %.4s\n",(char *)&trak->fourcc); -#if 0 - { FILE* f=fopen("stdata.dat","wb"); - fwrite(trak->stdata,trak->stdata_len,1,f); - fclose(f); } - { FILE* f=fopen("tkdata.dat","wb"); - fwrite(trak->tkdata,trak->tkdata_len,1,f); - fclose(f); } -#endif - // Emulate WAVEFORMATEX struct: - sh->wf=calloc(1, sizeof(*sh->wf) + (is_vorbis ? sh->codecdata_len : 0)); - sh->wf->nChannels=sh->channels; - sh->wf->wBitsPerSample=(trak->stdata[18]<<8)+trak->stdata[19]; - // sh->wf->nSamplesPerSec=trak->timescale; - sh->wf->nSamplesPerSec=sh->samplerate; - if(trak->stdata_len >= 44 && trak->stdata[9]>=1 && char2int(trak->stdata,28)>0){ - //Audio header: samp/pack=4096 bytes/pack=743 bytes/frame=1486 bytes/samp=2 - sh->wf->nAvgBytesPerSec=(sh->wf->nChannels*sh->wf->nSamplesPerSec* - char2int(trak->stdata,32)+char2int(trak->stdata,28)/2) - /char2int(trak->stdata,28); - sh->wf->nBlockAlign=char2int(trak->stdata,36); - } else { - sh->wf->nAvgBytesPerSec=sh->wf->nChannels*sh->wf->wBitsPerSample*sh->wf->nSamplesPerSec/8; - // workaround for ms11 ima4 - if (sh->format == 0x1100736d && trak->stdata_len >= 36) - sh->wf->nBlockAlign=char2int(trak->stdata,36); - } - - if(is_vorbis && sh->codecdata_len) - { - memcpy(sh->wf+1, sh->codecdata, sh->codecdata_len); - sh->wf->cbSize = sh->codecdata_len; - } - // Selection: -// if(demuxer->audio->id==-1 || demuxer->audio->id==priv->track_db){ -// // (auto)selected audio track: -// demuxer->audio->id=priv->track_db; -// demuxer->audio->sh=sh; sh->ds=demuxer->audio; -// } - return 1; -} - -static int gen_sh_video(sh_video_t* sh, mov_track_t* trak, int timescale) { - int depth, i, entry; - int flag, start, count_flag, end, palette_count, gray; - int hdr_ptr = 76; // the byte just after depth - unsigned char *palette_map; - - sh->format=trak->fourcc; - - // crude video delay from editlist0 hack ::atm - if(trak->editlist_size>=1) { - if(trak->editlist[0].pos == -1) { - sh->stream_delay = (float)trak->editlist[0].dur/(float)timescale; - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Initial Video-Delay: %.3f sec\n", sh->stream_delay); - } - } - - - if (trak->stdata_len < 78) { - mp_msg(MSGT_DEMUXER, MSGL_WARN, - "MOV: Invalid (%d bytes instead of >= 78) video trak desc\n", - trak->stdata_len); - return 0; - } - - depth = trak->stdata[75] | (trak->stdata[74] << 8); - if (trak->fourcc == mmioFOURCC('r', 'a', 'w', ' ')) - sh->format = IMGFMT_RGB | depth; - -// stdata[]: -// 8 short version -// 10 short revision -// 12 int vendor_id -// 16 int temporal_quality -// 20 int spatial_quality -// 24 short width -// 26 short height -// 28 int h_dpi -// 32 int v_dpi -// 36 int 0 -// 40 short frames_per_sample -// 42 char[4] compressor_name -// 74 short depth -// 76 short color_table_id -// additional atoms may follow, -// eg esds atom from .MP4 files -// 78 int atom size -// 82 char[4] atom type -// 86 ... atom data - - { ImageDescription* id=malloc(8+trak->stdata_len); // safe - trak->desc=id; - id->idSize=8+trak->stdata_len; -// id->cType=bswap_32(trak->fourcc); - id->cType=le2me_32(trak->fourcc); - id->version=char2short(trak->stdata,8); - id->revisionLevel=char2short(trak->stdata,10); - id->vendor=char2int(trak->stdata,12); - id->temporalQuality=char2int(trak->stdata,16); - id->spatialQuality=char2int(trak->stdata,20); - id->width=char2short(trak->stdata,24); - id->height=char2short(trak->stdata,26); - id->hRes=char2int(trak->stdata,28); - id->vRes=char2int(trak->stdata,32); - id->dataSize=char2int(trak->stdata,36); - id->frameCount=char2short(trak->stdata,40); - memcpy(&id->name,trak->stdata+42,32); - id->depth=char2short(trak->stdata,74); - id->clutID=char2short(trak->stdata,76); - if(trak->stdata_len>78) memcpy(((char*)&id->clutID)+2,trak->stdata+78,trak->stdata_len-78); - sh->ImageDesc=id; -#if 0 - { FILE *f=fopen("ImageDescription","wb"); - fwrite(id,id->idSize,1,f); - fclose(f); - } -#endif - } - - if(trak->stdata_len >= 86) { // extra atoms found - int pos=78; - int atom_len; - while(pos+8<=trak->stdata_len && - (pos+(atom_len=char2int(trak->stdata,pos)))<=trak->stdata_len){ - switch(char2int(trak->stdata,pos+4)) { // switch atom type - case MOV_FOURCC('g','a','m','a'): - // intfp with gamma value at which movie was captured - // can be used to gamma correct movie display - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported Gamma-Correction movie atom (%d)!\n", - atom_len); - break; - case MOV_FOURCC('f','i','e','l'): - // 2 char-values (8bit int) that specify field handling - // see the Apple's QuickTime Fileformat PDF for more info - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported Field-Handling movie atom (%d)!\n", - atom_len); - break; - case MOV_FOURCC('m','j','q','t'): - // Motion-JPEG default quantization table - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported MJPEG-Quantization movie atom (%d)!\n", - atom_len); - break; - case MOV_FOURCC('m','j','h','t'): - // Motion-JPEG default huffman table - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unsupported MJPEG-Huffman movie atom (%d)!\n", - atom_len); - break; - case MOV_FOURCC('e','s','d','s'): - // MPEG4 Elementary Stream Descriptor header - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found MPEG4 movie Elementary Stream Descriptor atom (%d)!\n", atom_len); - // add code here to save esds header of length atom_len-8 - // beginning at stdata[86] to some variable to pass it - // on to the decoder ::atmos - if(atom_len > 8) { - esds_t esds; - if(!mp4_parse_esds(trak->stdata+pos+8, atom_len-8, &esds)) { - - if(esds.objectTypeId==MP4OTI_MPEG2VisualSimple || esds.objectTypeId==MP4OTI_MPEG2VisualMain || - esds.objectTypeId==MP4OTI_MPEG2VisualSNR || esds.objectTypeId==MP4OTI_MPEG2VisualSpatial || - esds.objectTypeId==MP4OTI_MPEG2VisualHigh || esds.objectTypeId==MP4OTI_MPEG2Visual422) - sh->format=mmioFOURCC('m', 'p', 'g', '2'); - else if(esds.objectTypeId==MP4OTI_MPEG1Visual) - sh->format=mmioFOURCC('m', 'p', 'g', '1'); - - // dump away the codec specific configuration for the AAC decoder - trak->stream_header_len = esds.decoderConfigLen; - trak->stream_header = malloc(trak->stream_header_len); - memcpy(trak->stream_header, esds.decoderConfig, trak->stream_header_len); - } - mp4_free_esds(&esds); // freeup esds mem - } - break; - case MOV_FOURCC('a','v','c','C'): - // AVC decoder configuration record - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: AVC decoder configuration record atom (%d)!\n", atom_len); - if(atom_len > 8) { - int i, poffs, cnt; - // Parse some parts of avcC, just for fun :) - // real parsing is done by avc1 decoder - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC version: %d\n", *(trak->stdata+pos+8)); - if (*(trak->stdata+pos+8) != 1) - mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: unknown avcC version (%d). Expexct problems.\n", *(trak->stdata+pos+9)); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC profile: %d\n", *(trak->stdata+pos+9)); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC profile compatibility: %d\n", *(trak->stdata+pos+10)); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC level: %d\n", *(trak->stdata+pos+11)); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC nal length size: %d\n", ((*(trak->stdata+pos+12))&0x03)+1); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC number of sequence param sets: %d\n", cnt = (*(trak->stdata+pos+13) & 0x1f)); - poffs = pos + 14; - for (i = 0; i < cnt; i++) { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC sps %d have length %d\n", i, AV_RB16(trak->stdata+poffs)); - poffs += AV_RB16(trak->stdata+poffs) + 2; - } - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC number of picture param sets: %d\n", *(trak->stdata+poffs)); - poffs++; - for (i = 0; i < cnt; i++) { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: avcC pps %d have length %d\n", i, AV_RB16(trak->stdata+poffs)); - poffs += AV_RB16(trak->stdata+poffs) + 2; - } - // Copy avcC for the AVC decoder - // This data will be put in extradata below, where BITMAPINFOHEADER is created - trak->stream_header_len = atom_len-8; - trak->stream_header = malloc(trak->stream_header_len); - memcpy(trak->stream_header, trak->stdata+pos+8, trak->stream_header_len); - } - break; - case MOV_FOURCC('d','2','6','3'): - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found H.263 decoder atom %c%c%c%c (%d)!\n", trak->stdata[pos+4],trak->stdata[pos+5],trak->stdata[pos+6],trak->stdata[pos+7],atom_len); - if (atom_len>10) - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Vendor: %c%c%c%c H.263 level: %d H.263 profile: %d \n", trak->stdata[pos+8],trak->stdata[pos+9],trak->stdata[pos+10],trak->stdata[pos+11],trak->stdata[pos+12],trak->stdata[pos+13]); - break; - case 0: - break; - default: - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: Found unknown movie atom %c%c%c%c (%d)!\n", - trak->stdata[pos+4],trak->stdata[pos+5],trak->stdata[pos+6],trak->stdata[pos+7], - atom_len); - } - if(atom_len<8) break; - pos+=atom_len; -// printf("pos=%d max=%d\n",pos,trak->stdata_len); - } - } - sh->fps=trak->timescale/ - ((trak->durmap_size>=1)?(float)trak->durmap[0].dur:1); - sh->frametime=1.0f/sh->fps; - - sh->disp_w=trak->stdata[25]|(trak->stdata[24]<<8); - sh->disp_h=trak->stdata[27]|(trak->stdata[26]<<8); - if(trak->tkdata_len>81) { - // if image size is zero, fallback to display size - if(!sh->disp_w && !sh->disp_h) { - sh->disp_w=trak->tkdata[77]|(trak->tkdata[76]<<8); - sh->disp_h=trak->tkdata[81]|(trak->tkdata[80]<<8); - } else if(sh->disp_w!=(trak->tkdata[77]|(trak->tkdata[76]<<8))){ - // codec and display width differ... use display one for aspect - sh->aspect=trak->tkdata[77]|(trak->tkdata[76]<<8); - sh->aspect/=trak->tkdata[81]|(trak->tkdata[80]<<8); - } - } - - if(depth>32+8) mp_msg(MSGT_DEMUX, MSGL_INFO,"*** depth = 0x%X\n",depth); - - // palettized? - gray = 0; - if (depth > 32) { depth&=31; gray = 1; } // depth > 32 means grayscale - if ((depth == 2) || (depth == 4) || (depth == 8)) - palette_count = (1 << depth); - else - palette_count = 0; - - // emulate BITMAPINFOHEADER: - if (palette_count) - { - sh->bih=calloc(1, sizeof(*sh->bih) + palette_count * 4); - sh->bih->biSize=40 + palette_count * 4; - // fetch the relevant fields - flag = AV_RB16(&trak->stdata[hdr_ptr]); - hdr_ptr += 2; - start = AV_RB32(&trak->stdata[hdr_ptr]); - hdr_ptr += 4; - count_flag = AV_RB16(&trak->stdata[hdr_ptr]); - hdr_ptr += 2; - end = AV_RB16(&trak->stdata[hdr_ptr]); - hdr_ptr += 2; - palette_map = (unsigned char *)sh->bih + 40; - mp_msg(MSGT_DEMUX, MSGL_V, "Allocated %d entries for palette\n", - palette_count); - mp_msg(MSGT_DEMUX, MSGL_DBG2, "QT palette: start: %x, end: %x, count flag: %d, flags: %x\n", - start, end, count_flag, flag); - - /* XXX: problems with sample (statunit6.mov) with flag&0x4 set! - alex*/ - - // load default palette - if (flag & 0x08) - { - if (gray) - { - mp_msg(MSGT_DEMUX, MSGL_V, "Using default QT grayscale palette\n"); - if (palette_count == 16) - memcpy(palette_map, qt_default_grayscale_palette_16, 16 * 4); - else if (palette_count == 256) { - memcpy(palette_map, qt_default_grayscale_palette_256, 256 * 4); - if (trak->fourcc == mmioFOURCC('c','v','i','d')) { - int i; - // Hack for grayscale CVID, negative palette - // If you have samples where this is not required contact me (rxt) - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: greyscale cvid with default palette," - " enabling negative palette hack.\n"); - for (i = 0; i < 256 * 4; i++) - palette_map[i] = palette_map[i] ^ 0xff; - } - } - } - else - { - mp_msg(MSGT_DEMUX, MSGL_V, "Using default QT colour palette\n"); - if (palette_count == 4) - memcpy(palette_map, qt_default_palette_4, 4 * 4); - else if (palette_count == 16) - memcpy(palette_map, qt_default_palette_16, 16 * 4); - else if (palette_count == 256) - memcpy(palette_map, qt_default_palette_256, 256 * 4); - } - } - // load palette from file - else - { - mp_msg(MSGT_DEMUX, MSGL_V, "Loading palette from file\n"); - for (i = start; i <= end; i++) - { - entry = AV_RB16(&trak->stdata[hdr_ptr]); - hdr_ptr += 2; - // apparently, if count_flag is set, entry is same as i - if (count_flag & 0x8000) - entry = i; - // only care about top 8 bits of 16-bit R, G, or B value - if (entry <= palette_count && entry >= 0) - { - palette_map[entry * 4 + 2] = trak->stdata[hdr_ptr + 0]; - palette_map[entry * 4 + 1] = trak->stdata[hdr_ptr + 2]; - palette_map[entry * 4 + 0] = trak->stdata[hdr_ptr + 4]; - mp_dbg(MSGT_DEMUX, MSGL_DBG2, "QT palette: added entry: %d of %d (colors: R:%x G:%x B:%x)\n", - entry, palette_count, - palette_map[entry * 4 + 2], - palette_map[entry * 4 + 1], - palette_map[entry * 4 + 0]); - } - else - mp_msg(MSGT_DEMUX, MSGL_V, "QT palette: skipped entry (out of count): %d of %d\n", - entry, palette_count); - hdr_ptr += 6; - } - } - } - else - { - if (trak->fourcc == mmioFOURCC('a','v','c','1')) { - if (trak->stream_header_len > 0xffffffff - sizeof(*sh->bih)) { - mp_msg(MSGT_DEMUXER, MSGL_ERR, "Invalid extradata size %d, skipping\n",trak->stream_header_len); - trak->stream_header_len = 0; - } - sh->bih=calloc(1, sizeof(*sh->bih) + trak->stream_header_len); - sh->bih->biSize=40 + trak->stream_header_len; - memcpy(((unsigned char *)sh->bih)+40, trak->stream_header, trak->stream_header_len); - free (trak->stream_header); - trak->stream_header_len = 0; - trak->stream_header = NULL; - } else { - sh->bih=calloc(1, sizeof(*sh->bih)); - sh->bih->biSize=40; - } - } - sh->bih->biWidth=sh->disp_w; - sh->bih->biHeight=sh->disp_h; - sh->bih->biPlanes=0; - sh->bih->biBitCount=depth; - sh->bih->biCompression=trak->fourcc; - sh->bih->biSizeImage=sh->bih->biWidth*sh->bih->biHeight; - - mp_msg(MSGT_DEMUX, MSGL_V, "Image size: %d x %d (%d bpp)\n",sh->disp_w,sh->disp_h,sh->bih->biBitCount); - if(trak->tkdata_len>81) - mp_msg(MSGT_DEMUX, MSGL_V, "Display size: %d x %d\n", - trak->tkdata[77]|(trak->tkdata[76]<<8), - trak->tkdata[81]|(trak->tkdata[80]<<8)); - mp_msg(MSGT_DEMUX, MSGL_V, "Fourcc: %.4s Codec: '%.*s'\n",(char *)&trak->fourcc,trak->stdata[42]&31,trak->stdata+43); - -// if(demuxer->video->id==-1 || demuxer->video->id==priv->track_db){ -// // (auto)selected video track: -// demuxer->video->id=priv->track_db; -// demuxer->video->sh=sh; sh->ds=demuxer->video; -// } - return 1; -} - -static void lschunks(demuxer_t* demuxer,int level,off_t endpos,mov_track_t* trak){ - mov_priv_t* priv=demuxer->priv; -// printf("lschunks (level=%d,endpos=%x)\n", level, endpos); - while(1){ - off_t pos; - off_t len; - unsigned int id; - // - pos=stream_tell(demuxer->stream); -// printf("stream_tell==%d\n",pos); - if(pos>=endpos) return; // END - len=stream_read_dword(demuxer->stream); -// printf("len==%d\n",len); - if(len<8) return; // error - len-=8; - id=stream_read_dword(demuxer->stream); - // - mp_msg(MSGT_DEMUX,MSGL_DBG2,"lschunks %.4s %d\n",(char *)&id,(int)len); - // - if(trak){ - if (lschunks_intrak(demuxer, level, id, pos, len, trak) < 0) - return; - } else { /* not in track */ - switch(id) { - case MOV_FOURCC('m','v','h','d'): { - int version = stream_read_char(demuxer->stream); - stream_skip(demuxer->stream, (version == 1) ? 19 : 11); - priv->timescale=stream_read_dword(demuxer->stream); - if (version == 1) - priv->duration=stream_read_qword(demuxer->stream); - else - priv->duration=stream_read_dword(demuxer->stream); - mp_msg(MSGT_DEMUX, MSGL_V,"MOV: %*sMovie header (%d bytes): tscale=%d dur=%d\n",level,"",(int)len, - (int)priv->timescale,(int)priv->duration); - break; - } - case MOV_FOURCC('t','r','a','k'): { -// if(trak) printf("MOV: Warning! trak in trak?\n"); - if(priv->track_db>=MOV_MAX_TRACKS){ - mp_tmsg(MSGT_DEMUX,MSGL_WARN,"MOV: WARNING: too many tracks"); - return; - } - if(!priv->track_db) mp_msg(MSGT_DEMUX, MSGL_V, "--------------\n"); - trak=calloc(1, sizeof(mov_track_t)); - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: Track #%d:\n",priv->track_db); - trak->id=priv->track_db; - priv->tracks[priv->track_db]=trak; - lschunks(demuxer,level+1,pos+len,trak); - mov_build_index(trak,priv->timescale); - switch(trak->type){ - case MOV_TRAK_AUDIO: { - sh_audio_t* sh=new_sh_audio(demuxer,priv->track_db); - mp_tmsg(MSGT_DEMUX, MSGL_INFO, "[%s] Audio stream found, -aid %d\n", "mov", priv->track_db); - gen_sh_audio(sh, trak, priv->timescale); - break; - } - case MOV_TRAK_VIDEO: { - sh_video_t* sh=new_sh_video(demuxer,priv->track_db); - mp_tmsg(MSGT_DEMUX, MSGL_INFO, "[%s] Video stream found, -vid %d\n", "mov", priv->track_db); - gen_sh_video(sh, trak, priv->timescale); - break; - } - case MOV_TRAK_GENERIC: - if (trak->fourcc == mmioFOURCC('m','p','4','s') || - trak->fourcc == mmioFOURCC('t','x','3','g') || - trak->fourcc == mmioFOURCC('t','e','x','t')) { - sh_sub_t *sh = new_sh_sub(demuxer, priv->track_db); - mp_tmsg(MSGT_DEMUX, MSGL_INFO, "[%s] Subtitle stream found, -sid %d\n", "mov", priv->track_db); - if (trak->fourcc == mmioFOURCC('m','p','4','s')) - init_vobsub(sh, trak); - else { - sh->type = 'm'; - sub_utf8 = 1; - } - } else - mp_msg(MSGT_DEMUX, MSGL_V, "Generic track - not completely understood! (id: %d)\n", - trak->id); - /* XXX: Also this contains the FLASH data */ - -#if 0 - { - int pos = stream_tell(demuxer->stream); - int i; - int fd; - char name[20]; - - for (i=0; i<trak->samples_size; i++) - { - char buf[trak->samples[i].size]; - stream_seek(demuxer->stream, trak->samples[i].pos); - snprintf((char *)&name[0], 20, "samp%d", i); - fd = open((char *)&name[0], O_CREAT|O_WRONLY); - stream_read(demuxer->stream, &buf[0], trak->samples[i].size); - write(fd, &buf[0], trak->samples[i].size); - close(fd); - } - for (i=0; i<trak->chunks_size; i++) - { - char buf[trak->length]; - stream_seek(demuxer->stream, trak->chunks[i].pos); - snprintf((char *)&name[0], 20, "chunk%d", i); - fd = open((char *)&name[0], O_CREAT|O_WRONLY); - stream_read(demuxer->stream, &buf[0], trak->length); - write(fd, &buf[0], trak->length); - close(fd); - } - if (trak->samplesize > 0) - { - char *buf; - - buf = malloc(trak->samplesize); - stream_seek(demuxer->stream, trak->chunks[0].pos); - snprintf((char *)&name[0], 20, "trak%d", trak->id); - fd = open((char *)&name[0], O_CREAT|O_WRONLY); - stream_read(demuxer->stream, buf, trak->samplesize); - write(fd, buf, trak->samplesize); - close(fd); - } - stream_seek(demuxer->stream, pos); - } -#endif - break; - default: - mp_msg(MSGT_DEMUX, MSGL_V, "Unknown track type found (type: %d)\n", trak->type); - break; - } - mp_msg(MSGT_DEMUX, MSGL_V, "--------------\n"); - priv->track_db++; - trak=NULL; - break; - } -#if !CONFIG_ZLIB - case MOV_FOURCC('c','m','o','v'): { - mp_tmsg(MSGT_DEMUX,MSGL_ERR,"MOV: Compressed headers support requires ZLIB!\n"); - return; - } -#else - case MOV_FOURCC('m','o','o','v'): - case MOV_FOURCC('c','m','o','v'): { -// mp_tmsg(MSGT_DEMUX,MSGL_ERR,"MOV: Compressed headers support requires ZLIB!\n"); - lschunks(demuxer,level+1,pos+len,NULL); - break; - } - case MOV_FOURCC('d','c','o','m'): { -// int temp=stream_read_dword(demuxer->stream); - unsigned int algo=be2me_32(stream_read_dword(demuxer->stream)); - mp_msg(MSGT_DEMUX, MSGL_V, "Compressed header uses %.4s algo!\n",(char *)&algo); - break; - } - case MOV_FOURCC('c','m','v','d'): { -// int temp=stream_read_dword(demuxer->stream); - unsigned int moov_sz=stream_read_dword(demuxer->stream); - unsigned int cmov_sz=len-4; - unsigned char* cmov_buf; - unsigned char* moov_buf; - int zret; - z_stream zstrm; - stream_t* backup; - - if (moov_sz > UINT_MAX - 16) { - mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid cmvd atom size %d\n", moov_sz); - break; - } - cmov_buf=malloc(cmov_sz); - moov_buf=malloc(moov_sz+16); - mp_msg(MSGT_DEMUX, MSGL_V, "Compressed header size: %d / %d\n",cmov_sz,moov_sz); - - stream_read(demuxer->stream,cmov_buf,cmov_sz); - - zstrm.zalloc = (alloc_func)0; - zstrm.zfree = (free_func)0; - zstrm.opaque = (voidpf)0; - zstrm.next_in = cmov_buf; - zstrm.avail_in = cmov_sz; - zstrm.next_out = moov_buf; - zstrm.avail_out = moov_sz; - - zret = inflateInit(&zstrm); - if (zret != Z_OK) - { mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov: inflateInit err %d\n",zret); - return; - } - zret = inflate(&zstrm, Z_NO_FLUSH); - if ((zret != Z_OK) && (zret != Z_STREAM_END)) - { mp_msg(MSGT_DEMUX, MSGL_ERR, "QT cmov inflate: ERR %d\n",zret); - return; - } -#if 0 - else { - FILE *DecOut; - DecOut = fopen("Out.bin", "w"); - fwrite(moov_buf, 1, moov_sz, DecOut); - fclose(DecOut); - } -#endif - if(moov_sz != zstrm.total_out) - mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! moov size differs cmov: %d zlib: %ld\n",moov_sz,zstrm.total_out); - zret = inflateEnd(&zstrm); - - backup=demuxer->stream; - demuxer->stream=new_memory_stream(moov_buf,moov_sz); - stream_skip(demuxer->stream,8); - lschunks(demuxer,level+1,moov_sz,NULL); // parse uncompr. 'moov' - //free_stream(demuxer->stream); - demuxer->stream=backup; - free(cmov_buf); - free(moov_buf); - break; - } -#endif - case MOV_FOURCC('u','d','t','a'): - { - unsigned int udta_id; - off_t udta_len; - off_t udta_size = len; - - mp_msg(MSGT_DEMUX, MSGL_DBG2, "mov: user data record found\n"); - mp_msg(MSGT_DEMUX, MSGL_V, "Quicktime Clip Info:\n"); - - while((len > 8) && (udta_size > 8)) - { - udta_len = stream_read_dword(demuxer->stream); - udta_id = stream_read_dword(demuxer->stream); - udta_size -= 8; - mp_msg(MSGT_DEMUX, MSGL_DBG2, "udta_id: %.4s (len: %"PRId64")\n", (char *)&udta_id, (int64_t)udta_len); - switch (udta_id) - { - case MOV_FOURCC(0xa9,'c','p','y'): - case MOV_FOURCC(0xa9,'d','a','y'): - case MOV_FOURCC(0xa9,'d','i','r'): - /* 0xa9,'e','d','1' - '9' : edit timestamps */ - case MOV_FOURCC(0xa9,'f','m','t'): - case MOV_FOURCC(0xa9,'i','n','f'): - case MOV_FOURCC(0xa9,'p','r','d'): - case MOV_FOURCC(0xa9,'p','r','f'): - case MOV_FOURCC(0xa9,'r','e','q'): - case MOV_FOURCC(0xa9,'s','r','c'): - case MOV_FOURCC('n','a','m','e'): - case MOV_FOURCC(0xa9,'n','a','m'): - case MOV_FOURCC(0xa9,'A','R','T'): - case MOV_FOURCC(0xa9,'c','m','t'): - case MOV_FOURCC(0xa9,'a','u','t'): - case MOV_FOURCC(0xa9,'s','w','r'): - { - off_t text_len = stream_read_word(demuxer->stream); - char text[text_len+2+1]; - stream_read(demuxer->stream, (char *)&text, text_len+2); - text[text_len+2] = 0x0; - switch(udta_id) - { - case MOV_FOURCC(0xa9,'a','u','t'): - demux_info_add(demuxer, "author", &text[2]); - mp_msg(MSGT_DEMUX, MSGL_V, " Author: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'c','p','y'): - demux_info_add(demuxer, "copyright", &text[2]); - mp_msg(MSGT_DEMUX, MSGL_V, " Copyright: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'i','n','f'): - mp_msg(MSGT_DEMUX, MSGL_V, " Info: %s\n", &text[2]); - break; - case MOV_FOURCC('n','a','m','e'): - case MOV_FOURCC(0xa9,'n','a','m'): - demux_info_add(demuxer, "title", &text[2]); - mp_msg(MSGT_DEMUX, MSGL_V, " Name: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'A','R','T'): - mp_msg(MSGT_DEMUX, MSGL_V, " Artist: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'d','i','r'): - mp_msg(MSGT_DEMUX, MSGL_V, " Director: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'c','m','t'): - demux_info_add(demuxer, "comments", &text[2]); - mp_msg(MSGT_DEMUX, MSGL_V, " Comment: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'r','e','q'): - mp_msg(MSGT_DEMUX, MSGL_V, " Requirements: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'s','w','r'): - demux_info_add(demuxer, "encoder", &text[2]); - mp_msg(MSGT_DEMUX, MSGL_V, " Software: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'d','a','y'): - mp_msg(MSGT_DEMUX, MSGL_V, " Creation timestamp: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'f','m','t'): - mp_msg(MSGT_DEMUX, MSGL_V, " Format: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'p','r','d'): - mp_msg(MSGT_DEMUX, MSGL_V, " Producer: %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'p','r','f'): - mp_msg(MSGT_DEMUX, MSGL_V, " Performer(s): %s\n", &text[2]); - break; - case MOV_FOURCC(0xa9,'s','r','c'): - mp_msg(MSGT_DEMUX, MSGL_V, " Source providers: %s\n", &text[2]); - break; - } - udta_size -= 4+text_len; - break; - } - /* some other shits: WLOC - window location, - LOOP - looping style, - SelO - play only selected frames - AllF - play all frames - */ - case MOV_FOURCC('W','L','O','C'): - case MOV_FOURCC('L','O','O','P'): - case MOV_FOURCC('S','e','l','O'): - case MOV_FOURCC('A','l','l','F'): - default: - { - if( udta_len>udta_size) - udta_len=udta_size; - { - stream_skip(demuxer->stream, udta_len-4-4); - udta_size -= udta_len; - } - } - } - } - break; - } /* eof udta */ - default: - id = be2me_32(id); - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len); - } /* endof switch */ - } /* endof else */ - - pos+=len+8; - if(pos>=endpos) break; - if(!stream_seek(demuxer->stream,pos)) break; - } -} - -static int lschunks_intrak(demuxer_t* demuxer, int level, unsigned int id, - off_t pos, off_t len, mov_track_t* trak) -{ - switch(id) { - case MOV_FOURCC('m','d','a','t'): { - mp_msg(MSGT_DEMUX,MSGL_WARN,"Hmm, strange MOV, parsing mdat in lschunks?\n"); - return -1; - } - case MOV_FOURCC('f','r','e','e'): - case MOV_FOURCC('u','d','t','a'): - /* here not supported :p */ - break; - case MOV_FOURCC('t','k','h','d'): { - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: %*sTrack header!\n", level, ""); - // read codec data - trak->tkdata_len = len; - trak->tkdata = malloc(trak->tkdata_len); - stream_read(demuxer->stream, trak->tkdata, trak->tkdata_len); -/* -0 1 Version -1 3 Flags -4 4 Creation time -8 4 Modification time -12 4 Track ID -16 4 Reserved -20 4 Duration -24 8 Reserved -32 2 Layer -34 2 Alternate group -36 2 Volume -38 2 Reserved -40 36 Matrix structure -76 4 Track width -80 4 Track height -*/ - mp_msg(MSGT_DEMUX, MSGL_V, - "tkhd len=%d ver=%d flags=0x%X id=%d dur=%d lay=%d vol=%d\n", - trak->tkdata_len, trak->tkdata[0], trak->tkdata[1], - char2int(trak->tkdata, 12), // id - char2int(trak->tkdata, 20), // duration - char2short(trak->tkdata, 32), // layer - char2short(trak->tkdata, 36)); // volume - break; - } - case MOV_FOURCC('m','d','h','d'): { - int version = stream_read_char(demuxer->stream); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia header!\n", level, ""); - stream_skip(demuxer->stream, (version == 1) ? 19 : 11); - // read timescale - trak->timescale = stream_read_dword(demuxer->stream); - // read length - if (version == 1) - trak->length = stream_read_qword(demuxer->stream); - else - trak->length = stream_read_dword(demuxer->stream); - break; - } - case MOV_FOURCC('h','d','l','r'): { - av_unused unsigned int tmp = stream_read_dword(demuxer->stream); - unsigned int type = stream_read_dword_le(demuxer->stream); - unsigned int subtype = stream_read_dword_le(demuxer->stream); - unsigned int manufact = stream_read_dword_le(demuxer->stream); - av_unused unsigned int comp_flags = stream_read_dword(demuxer->stream); - av_unused unsigned int comp_mask = stream_read_dword(demuxer->stream); - int len = stream_read_char(demuxer->stream); - char* str = malloc(len + 1); - stream_read(demuxer->stream, str, len); - str[len] = 0; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sHandler header: %.4s/%.4s (%.4s) %s\n", level, "", - (char *)&type, (char *)&subtype, (char *)&manufact, str); - free(str); - switch(bswap_32(type)) { - case MOV_FOURCC('m','h','l','r'): - trak->media_handler = bswap_32(subtype); - break; - case MOV_FOURCC('d','h','l','r'): - trak->data_handler = bswap_32(subtype); - break; - default: - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: unknown handler class: 0x%X (%.4s)\n", - bswap_32(type), (char *)&type); - } - break; - } - case MOV_FOURCC('v','m','h','d'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sVideo header!\n", level, ""); - trak->type = MOV_TRAK_VIDEO; - // read video data - break; - } - case MOV_FOURCC('s','m','h','d'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sSound header!\n", level, ""); - trak->type = MOV_TRAK_AUDIO; - // read audio data - break; - } - case MOV_FOURCC('g','m','h','d'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sGeneric header!\n", level, ""); - trak->type = MOV_TRAK_GENERIC; - break; - } - case MOV_FOURCC('n','m','h','d'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sGeneric header!\n", level, ""); - trak->type = MOV_TRAK_GENERIC; - break; - } - case MOV_FOURCC('s','t','s','d'): { - int i = stream_read_dword(demuxer->stream); // temp! - int count = stream_read_dword(demuxer->stream); - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sDescription list! (cnt:%d)\n", - level, "", count); - for (i = 0; i < count; i++) { - off_t pos = stream_tell(demuxer->stream); - off_t len = stream_read_dword(demuxer->stream); - unsigned int fourcc = stream_read_dword_le(demuxer->stream); - /* some files created with Broadcast 2000 (e.g. ilacetest.mov) - contain raw I420 video but have a yv12 fourcc */ - if (fourcc == mmioFOURCC('y','v','1','2')) - fourcc = mmioFOURCC('I','4','2','0'); - if (len < 8) - break; // error - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*s desc #%d: %.4s (%"PRId64" bytes)\n", level, "", - i, (char *)&fourcc, (int64_t)len - 16); - if (fourcc != trak->fourcc && i) - mp_tmsg(MSGT_DEMUX, MSGL_WARN, "MOV: WARNING: Variable FourCC detected!?\n"); -// if(!i) - { - trak->fourcc = fourcc; - // read type specific (audio/video/time/text etc) header - // NOTE: trak type is not yet known at this point :((( - trak->stdata_len = len - 8; - trak->stdata = malloc(trak->stdata_len); - stream_read(demuxer->stream, trak->stdata, trak->stdata_len); - } - if (!stream_seek(demuxer->stream, pos + len)) - break; - } - break; - } - case MOV_FOURCC('s','t','t','s'): { - av_unused int temp = stream_read_dword(demuxer->stream); - int len = stream_read_dword(demuxer->stream); - int i; - unsigned int pts = 0; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sSample duration table! (%d blocks)\n", level, "", - len); - free(trak->durmap); - trak->durmap = calloc(len, sizeof(mov_durmap_t)); - trak->durmap_size = trak->durmap ? len : 0; - for (i = 0; i < trak->durmap_size; i++) { - trak->durmap[i].num = stream_read_dword(demuxer->stream); - trak->durmap[i].dur = stream_read_dword(demuxer->stream); - pts += trak->durmap[i].num * trak->durmap[i].dur; - } - if (trak->length != pts) - mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! pts=%d length=%d\n", - pts, trak->length); - break; - } - case MOV_FOURCC('s','t','s','c'): { - int temp = stream_read_dword(demuxer->stream); - int len = stream_read_dword(demuxer->stream); - int ver = (temp << 24); - int flags = (temp << 16) | (temp << 8) | temp; - int i; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sSample->Chunk mapping table! (%d blocks) (ver:%d,flags:%d)\n", level, "", - len, ver, flags); - // read data: - free(trak->chunkmap); - trak->chunkmap = calloc(len, sizeof(mov_chunkmap_t)); - trak->chunkmap_size = trak->chunkmap ? len : 0; - for (i = 0; i < trak->chunkmap_size; i++) { - trak->chunkmap[i].first = stream_read_dword(demuxer->stream) - 1; - trak->chunkmap[i].spc = stream_read_dword(demuxer->stream); - trak->chunkmap[i].sdid = stream_read_dword(demuxer->stream); - } - break; - } - case MOV_FOURCC('s','t','s','z'): { - int temp = stream_read_dword(demuxer->stream); - int ss=stream_read_dword(demuxer->stream); - int ver = (temp << 24); - int flags = (temp << 16) | (temp << 8) | temp; - int entries = stream_read_dword(demuxer->stream); - int i; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sSample size table! (entries=%d ss=%d) (ver:%d,flags:%d)\n", level, "", - entries, ss, ver, flags); - trak->samplesize = ss; - if (!ss) { - // variable samplesize - free(trak->samples); - trak->samples = calloc(entries, sizeof(mov_sample_t)); - trak->samples_size = trak->samples ? entries : 0; - for (i = 0; i < trak->samples_size; i++) - trak->samples[i].size = stream_read_dword(demuxer->stream); - } - break; - } - case MOV_FOURCC('s','t','c','o'): { - av_unused int temp = stream_read_dword(demuxer->stream); - int len = stream_read_dword(demuxer->stream); - int i; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sChunk offset table! (%d chunks)\n", level, "", - len); - // extend array if needed: - if (len > trak->chunks_size) { - free(trak->chunks); - trak->chunks = calloc(len, sizeof(mov_chunk_t)); - trak->chunks_size = trak->chunks ? len : 0; - } - // read elements: - for(i = 0; i < trak->chunks_size; i++) - trak->chunks[i].pos = stream_read_dword(demuxer->stream); - break; - } - case MOV_FOURCC('c','o','6','4'): { - av_unused int temp = stream_read_dword(demuxer->stream); - int len = stream_read_dword(demuxer->stream); - int i; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*s64bit chunk offset table! (%d chunks)\n", level, "", - len); - // extend array if needed: - if (len > trak->chunks_size) { - free(trak->chunks); - trak->chunks = calloc(len, sizeof(mov_chunk_t)); - trak->chunks_size = trak->chunks ? len : 0; - } - // read elements: - for (i = 0; i < trak->chunks_size; i++) { -#ifndef _LARGEFILE_SOURCE - if (stream_read_dword(demuxer->stream) != 0) - mp_msg(MSGT_DEMUX, MSGL_WARN, "Chunk %d has got 64bit address, but you've MPlayer compiled without LARGEFILE support!\n", i); - trak->chunks[i].pos = stream_read_dword(demuxer->stream); -#else - trak->chunks[i].pos = stream_read_qword(demuxer->stream); -#endif - } - break; - } - case MOV_FOURCC('s','t','s','s'): { - int temp = stream_read_dword(demuxer->stream); - int entries = stream_read_dword(demuxer->stream); - int ver = (temp << 24); - int flags = (temp << 16) | (temp<<8) | temp; - int i; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sSyncing samples (keyframes) table! (%d entries) (ver:%d,flags:%d)\n", level, "", - entries, ver, flags); - free(trak->keyframes); - trak->keyframes = calloc(entries, sizeof(unsigned int)); - trak->keyframes_size = trak->keyframes ? entries : 0; - for (i = 0; i < trak->keyframes_size; i++) - trak->keyframes[i] = stream_read_dword(demuxer->stream) - 1; - break; - } - case MOV_FOURCC('m','d','i','a'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia stream!\n", level, ""); - lschunks(demuxer, level + 1, pos + len, trak); - break; - } - case MOV_FOURCC('m','i','n','f'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sMedia info!\n", level, ""); - lschunks(demuxer, level + 1 ,pos + len, trak); - break; - } - case MOV_FOURCC('s','t','b','l'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sSample info!\n", level, ""); - lschunks(demuxer, level + 1, pos + len, trak); - break; - } - case MOV_FOURCC('e','d','t','s'): { - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: %*sEdit atom!\n", level, ""); - lschunks(demuxer, level + 1, pos + len, trak); - break; - } - case MOV_FOURCC('e','l','s','t'): { - int temp = stream_read_dword(demuxer->stream); - int entries = stream_read_dword(demuxer->stream); - int ver = (temp << 24); - int flags = (temp << 16) | (temp << 8) | temp; - int i; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*sEdit list table (%d entries) (ver:%d,flags:%d)\n", level, "", - entries, ver, flags); -#if 1 - free(trak->editlist); - trak->editlist = calloc(entries, sizeof(mov_editlist_t)); - trak->editlist_size = trak->editlist ? entries : 0; - for (i = 0; i < trak->editlist_size; i++) { - int dur = stream_read_dword(demuxer->stream); - int mt = stream_read_dword(demuxer->stream); - int mr = stream_read_dword(demuxer->stream); // 16.16fp - trak->editlist[i].dur = dur; - trak->editlist[i].pos = mt; - trak->editlist[i].speed = mr; - mp_msg(MSGT_DEMUX, MSGL_V, - "MOV: %*s entry#%d: duration: %d start time: %d speed: %3.1fx\n", level, "", - i, dur, mt, (float)mr/65536.0f); - } -#endif - break; - } - case MOV_FOURCC('c','o','d','e'): { - /* XXX: Implement atom 'code' for FLASH support */ - break; - } - default: - id = be2me_32(id); - mp_msg(MSGT_DEMUX,MSGL_V,"MOV: unknown chunk: %.4s %d\n",(char *)&id,(int)len); - break; - }//switch(id) - return 0; -} - -static demuxer_t* mov_read_header(demuxer_t* demuxer){ - struct MPOpts *opts = demuxer->opts; - mov_priv_t* priv=demuxer->priv; - int t_no; - int best_a_id=-1, best_a_len=0; - int best_v_id=-1, best_v_len=0; - - mp_msg(MSGT_DEMUX, MSGL_DBG3, "mov_read_header!\n"); - - // Parse header: - stream_reset(demuxer->stream); - if(!stream_seek(demuxer->stream,priv->moov_start)) - { - mp_msg(MSGT_DEMUX,MSGL_ERR,"MOV: Cannot seek to the beginning of the Movie header (0x%"PRIx64")\n", - (int64_t)priv->moov_start); - return 0; - } - lschunks(demuxer, 0, priv->moov_end, NULL); - // just in case we have hit eof while parsing... - demuxer->stream->eof = 0; -// mp_msg(MSGT_DEMUX, MSGL_INFO, "--------------\n"); - - // find the best (longest) streams: - for(t_no=0;t_no<priv->track_db;t_no++){ - mov_track_t* trak=priv->tracks[t_no]; - int len=(trak->samplesize) ? trak->chunks_size : trak->samples_size; - if(demuxer->a_streams[t_no]){ // need audio - if(len>best_a_len){ best_a_len=len; best_a_id=t_no; } - } - if(demuxer->v_streams[t_no]){ // need video - if(len>best_v_len){ best_v_len=len; best_v_id=t_no; } - } - } - mp_msg(MSGT_DEMUX, MSGL_V, "MOV: longest streams: A: #%d (%d samples) V: #%d (%d samples)\n", - best_a_id,best_a_len,best_v_id,best_v_len); - if(demuxer->audio->id==-1 && best_a_id>=0) demuxer->audio->id=best_a_id; - if(demuxer->video->id==-1 && best_v_id>=0) demuxer->video->id=best_v_id; - - // setup sh pointers: - if(demuxer->audio->id>=0){ - sh_audio_t* sh=demuxer->a_streams[demuxer->audio->id]; - if(sh){ - demuxer->audio->sh=sh; sh->ds=demuxer->audio; - } else { - mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected audio stream (%d) does not exist\n",demuxer->audio->id); - demuxer->audio->id=-2; - } - } - if(demuxer->video->id>=0){ - sh_video_t* sh=demuxer->v_streams[demuxer->video->id]; - if(sh){ - demuxer->video->sh=sh; sh->ds=demuxer->video; - } else { - mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected video stream (%d) does not exist\n",demuxer->video->id); - demuxer->video->id=-2; - } - } - if(demuxer->sub->id>=0){ - sh_sub_t* sh=demuxer->s_streams[demuxer->sub->id]; - if(sh){ - demuxer->sub->sh=sh; - } else { - mp_msg(MSGT_DEMUX, MSGL_ERR, "MOV: selected subtitle stream (%d) does not exist\n",demuxer->sub->id); - demuxer->sub->id=-2; - } - } - - if(demuxer->video->id<0 && demuxer->audio->id<0) { - /* No AV streams found. Try to find an MPEG stream. */ - for(t_no=0;t_no<priv->track_db;t_no++){ - mov_track_t* trak=priv->tracks[t_no]; - if(trak->media_handler == MOV_FOURCC('M','P','E','G')) { - stream_t *s; - demuxer_t *od; - - demuxer->video->id = t_no; - s = new_ds_stream(demuxer->video); - od = demux_open(opts, s, DEMUXER_TYPE_MPEG_PS, -1, -1, -1, NULL); - if(od) return new_demuxers_demuxer(od, od, od); - demuxer->video->id = -2; //new linked demuxer couldn't be allocated - break; - } - } - } - -#if 0 - if( mp_msg_test(MSGT_DEMUX,MSGL_DBG3) ){ - for(t_no=0;t_no<priv->track_db;t_no++){ - mov_track_t* trak=priv->tracks[t_no]; - if(trak->type==MOV_TRAK_GENERIC){ - int i; - int fd; - char name[20]; - mp_msg(MSGT_DEMUX, MSGL_INFO, "MOV: Track #%d: Extracting %d data chunks to files\n",t_no,trak->samples_size); - for (i=0; i<trak->samples_size; i++) - { - int len=trak->samples[i].size; - char buf[len]; - stream_seek(demuxer->stream, trak->samples[i].pos); - snprintf(name, 20, "t%02d-s%03d.%s", t_no,i, - (trak->media_handler==MOV_FOURCC('f','l','s','h')) ? - "swf":"dump"); - fd = open(name, O_CREAT|O_WRONLY); -// { int j; -// for(j=0;j<trak->stdata_len-3; j++) -// printf("stdata[%d]=0x%X ize=0x%X\n",j,char2int(trak->stdata,j),MOV_FOURCC('z','l','i','b')); -// } - if( //trak->media_handler==MOV_FOURCC('s','p','r','t') && - trak->stdata_len>=16 && - char2int(trak->stdata,12)==MOV_FOURCC('z','l','i','b') - ){ - int newlen=stream_read_dword(demuxer->stream); -#if CONFIG_ZLIB - // unzip: - z_stream zstrm; - int zret; - char buf2[newlen]; - - len-=4; - stream_read(demuxer->stream, buf, len); - - zstrm.zalloc = (alloc_func)0; - zstrm.zfree = (free_func)0; - zstrm.opaque = (voidpf)0; - zstrm.next_in = buf; - zstrm.avail_in = len; - zstrm.next_out = buf2; - zstrm.avail_out = newlen; - - zret = inflateInit(&zstrm); - zret = inflate(&zstrm, Z_NO_FLUSH); - if(newlen != zstrm.total_out) - mp_msg(MSGT_DEMUX, MSGL_WARN, "Warning! unzipped frame size differs hdr: %d zlib: %ld\n",newlen,zstrm.total_out); - - write(fd, buf2, newlen); - } else { -#else - len-=4; - mp_msg(MSGT_DEMUX, MSGL_INFO, "******* ZLIB COMPRESSED SAMPLE!!!!! (%d->%d bytes) *******\n",len,newlen); - } - { -#endif - stream_read(demuxer->stream, buf, len); - write(fd, buf, len); - } - close(fd); - } - } - } - } - demuxer->stream->eof = 0; -#endif - - return demuxer; -} - -/** - * \brief return the mov track that belongs to a demuxer stream - * \param ds the demuxer stream, may be NULL - * \return the mov track info structure belonging to the stream, - * NULL if not found - */ -static mov_track_t *stream_track(mov_priv_t *priv, demux_stream_t *ds) { - if (ds && (ds->id >= 0) && (ds->id < priv->track_db)) - return priv->tracks[ds->id]; - return NULL; -} - -// return value: -// 0 = EOF or no stream found -// 1 = successfully read a packet -static int demux_mov_fill_buffer(demuxer_t *demuxer,demux_stream_t* ds){ - mov_priv_t* priv=demuxer->priv; - mov_track_t* trak=NULL; - float pts; - int x; - off_t pos; - - if (ds->eof) return 0; - trak = stream_track(priv, ds); - if (!trak) return 0; - -if(trak->samplesize){ - // read chunk: - if(trak->pos>=trak->chunks_size) return 0; // EOF - stream_seek(demuxer->stream,trak->chunks[trak->pos].pos); - pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale; - if(trak->samplesize!=1) - { - mp_msg(MSGT_DEMUX, MSGL_DBG2, "WARNING! Samplesize(%d) != 1\n", - trak->samplesize); - if((trak->fourcc != MOV_FOURCC('t','w','o','s')) && (trak->fourcc != MOV_FOURCC('s','o','w','t'))) - x=trak->chunks[trak->pos].size*trak->samplesize; - else - x=trak->chunks[trak->pos].size; - } - else - x=trak->chunks[trak->pos].size; -// printf("X = %d\n", x); - /* the following stuff is audio related */ - if (trak->type == MOV_TRAK_AUDIO){ - if(trak->stdata_len>=44 && trak->stdata[9]>=1 && char2int(trak->stdata,28)>0){ - // stsd version 1 - we have audio compression ratio info: - x/=char2int(trak->stdata,28); // samples/packet -// x*=char2int(trak->stdata,32); // bytes/packet - x*=char2int(trak->stdata,36); // bytes/frame - } else { - if(ds->ss_div && ds->ss_mul){ - // workaround for buggy files like 7up-high-traffic-areas.mov, - // with missing stsd v1 header containing compression rate - x/=ds->ss_div; x*=ds->ss_mul; // compression ratio fix ! HACK ! - } else { - x*=trak->nchannels; - x*=trak->samplebytes; - } - } - mp_msg(MSGT_DEMUX, MSGL_DBG2, "Audio sample %d bytes pts %5.3f\n",trak->chunks[trak->pos].size*trak->samplesize,pts); - } /* MOV_TRAK_AUDIO */ - pos=trak->chunks[trak->pos].pos; -} else { - int frame=trak->pos; - // editlist support: - if(trak->type == MOV_TRAK_VIDEO && trak->editlist_size>=1){ - // find the right editlist entry: - if(frame<trak->editlist[trak->editlist_pos].start_frame) - trak->editlist_pos=0; - while(trak->editlist_pos<trak->editlist_size-1 && - frame>=trak->editlist[trak->editlist_pos+1].start_frame) - ++trak->editlist_pos; - if(frame>=trak->editlist[trak->editlist_pos].start_frame+ - trak->editlist[trak->editlist_pos].frames) return 0; // EOF - // calc real frame index: - frame-=trak->editlist[trak->editlist_pos].start_frame; - frame+=trak->editlist[trak->editlist_pos].start_sample; - // calc pts: - pts=(float)(trak->samples[frame].pts+ - trak->editlist[trak->editlist_pos].pts_offset)/(float)trak->timescale; - } else { - if(frame>=trak->samples_size) return 0; // EOF - pts=(float)trak->samples[frame].pts/(float)trak->timescale; - } - // read sample: - stream_seek(demuxer->stream,trak->samples[frame].pos); - x=trak->samples[frame].size; - pos=trak->samples[frame].pos; -} -if(trak->pos==0 && trak->stream_header_len>0){ - // we have to append the stream header... - demux_packet_t* dp=new_demux_packet(x+trak->stream_header_len); - memcpy(dp->buffer,trak->stream_header,trak->stream_header_len); - stream_read(demuxer->stream,dp->buffer+trak->stream_header_len,x); - free(trak->stream_header); - trak->stream_header = NULL; - trak->stream_header_len = 0; - dp->pts=pts; - dp->pos=pos; // FIXME? - ds_add_packet(ds,dp); -} else - ds_read_packet(ds,demuxer->stream,x,pts,pos,0); - - ++trak->pos; - - trak = NULL; - if (demuxer->sub->id >= 0 && demuxer->sub->id < priv->track_db) - trak = priv->tracks[demuxer->sub->id]; - if (trak) { - int samplenr = 0; - while (samplenr < trak->samples_size) { - double subpts = (double)trak->samples[samplenr].pts / (double)trak->timescale; - if (subpts >= pts) break; - samplenr++; - } - samplenr--; - if (samplenr < 0) - vo_sub = NULL; - else if (samplenr != priv->current_sub) { - off_t pos = trak->samples[samplenr].pos; - int len = trak->samples[samplenr].size; - double subpts = (double)trak->samples[samplenr].pts / (double)trak->timescale; - stream_seek(demuxer->stream, pos); - ds_read_packet(demuxer->sub, demuxer->stream, len, subpts, pos, 0); - priv->current_sub = samplenr; - } - } - - return 1; - -} - -static float mov_seek_track(mov_track_t* trak,float pts,int flags){ - -// printf("MOV track seek called %5.3f \n",pts); - if(flags&SEEK_FACTOR) pts*=trak->length; else pts*=(float)trak->timescale; - -if(trak->samplesize){ - int sample=pts/trak->duration; -// printf("MOV track seek - chunk: %d (pts: %5.3f dur=%d) \n",sample,pts,trak->duration); - if(!(flags&SEEK_ABSOLUTE)) sample+=trak->chunks[trak->pos].sample; // relative - trak->pos=0; - while(trak->pos<trak->chunks_size && trak->chunks[trak->pos].sample<sample) ++trak->pos; - if (trak->pos == trak->chunks_size) return -1; - pts=(float)(trak->chunks[trak->pos].sample*trak->duration)/(float)trak->timescale; -} else { - unsigned int ipts; - if(!(flags&SEEK_ABSOLUTE)) pts+=trak->samples[trak->pos].pts; - if(pts<0) pts=0; - ipts=pts; - //printf("MOV track seek - sample: %d \n",ipts); - for(trak->pos=0;trak->pos<trak->samples_size;++trak->pos){ - if(trak->samples[trak->pos].pts>=ipts) break; // found it! - } - if (trak->pos == trak->samples_size) return -1; - if(trak->keyframes_size){ - // find nearest keyframe - int i; - for(i=0;i<trak->keyframes_size;i++){ - if(trak->keyframes[i]>=trak->pos) break; - } - if (i == trak->keyframes_size) return -1; - if(i>0 && (trak->keyframes[i]-trak->pos) > (trak->pos-trak->keyframes[i-1])) - --i; - trak->pos=trak->keyframes[i]; -// printf("nearest keyframe: %d \n",trak->pos); - } - pts=(float)trak->samples[trak->pos].pts/(float)trak->timescale; -} - -// printf("MOV track seek done: %5.3f \n",pts); - -return pts; -} - -static void demux_seek_mov(demuxer_t *demuxer,float pts,float audio_delay,int flags){ - mov_priv_t* priv=demuxer->priv; - demux_stream_t* ds; - mov_track_t* trak; - -// printf("MOV seek called %5.3f flag=%d \n",pts,flags); - - ds=demuxer->video; - trak = stream_track(priv, ds); - if (trak) { - //if(flags&2) pts*=(float)trak->length/(float)trak->timescale; - //if(!(flags&1)) pts+=ds->pts; - ds->pts=mov_seek_track(trak,pts,flags); - if (ds->pts < 0) ds->eof = 1; - else pts = ds->pts; - flags=1; // absolute seconds - } - - ds=demuxer->audio; - trak = stream_track(priv, ds); - if (trak) { - //if(flags&2) pts*=(float)trak->length/(float)trak->timescale; - //if(!(flags&1)) pts+=ds->pts; - ds->pts=mov_seek_track(trak,pts,flags); - if (ds->pts < 0) ds->eof = 1; - } - -} - -static int demux_mov_control(demuxer_t *demuxer, int cmd, void *arg){ - mov_track_t* track; - - // try the video track - track = stream_track(demuxer->priv, demuxer->video); - if (!track || !track->length) - // otherwise try to get the info from the audio track - track = stream_track(demuxer->priv, demuxer->audio); - - if (!track || !track->length) - return DEMUXER_CTRL_DONTKNOW; - - switch(cmd) { - case DEMUXER_CTRL_GET_TIME_LENGTH: - if (!track->timescale) - return DEMUXER_CTRL_DONTKNOW; - *((double *)arg) = (double)track->length / track->timescale; - return DEMUXER_CTRL_OK; - - case DEMUXER_CTRL_GET_PERCENT_POS: - { - off_t pos = track->pos; - if (track->durmap_size >= 1) - pos *= track->durmap[0].dur; - *((int *)arg) = (int)(100 * pos / track->length); - return DEMUXER_CTRL_OK; - } - } - return DEMUXER_CTRL_NOTIMPL; -} - - -const demuxer_desc_t demuxer_desc_mov = { - "Quicktime/MP4 demuxer", - "mov", - "Quicktime/MOV", - "Arpi, Al3x, Atmos, others", - "Handles Quicktime, MP4, 3GP", - DEMUXER_TYPE_MOV, - 0, // slow autodetect - mov_check_file, - demux_mov_fill_buffer, - mov_read_header, - demux_close_mov, - demux_seek_mov, - demux_mov_control -}; |