int read_asf_header(demuxer_t *demuxer,struct asf_priv* asf){
int hdr_len = asf->header.objh.size - sizeof(asf->header);
int hdr_skip = 0;
char *hdr = NULL;
char guid_buffer[16];
int pos, start = stream_tell(demuxer->stream);
uint32_t* streams = NULL;
int audio_streams=0;
int video_streams=0;
uint16_t stream_count=0;
int best_video = -1;
int best_audio = -1;
uint64_t data_len;
ASF_stream_header_t *streamh;
uint8_t *buffer;
int audio_pos=0;
if(hdr_len < 0) {
mp_msg(MSGT_HEADER, MSGL_FATAL, "Header size is too small.\n");
return 0;
}
if (hdr_len > 1024 * 1024) {
mp_msg(MSGT_HEADER, MSGL_ERR, MSGTR_MPDEMUX_ASFHDR_HeaderSizeOver1MB,
hdr_len);
hdr_skip = hdr_len - 1024 * 1024;
hdr_len = 1024 * 1024;
}
hdr = malloc(hdr_len);
if (!hdr) {
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_HeaderMallocFailed,
hdr_len);
return 0;
}
stream_read(demuxer->stream, hdr, hdr_len);
if (hdr_skip)
stream_skip(demuxer->stream, hdr_skip);
if (stream_eof(demuxer->stream)) {
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_EOFWhileReadingHeader);
goto err_out;
}
if (is_drm(hdr, hdr_len))
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_DRMProtected);
if ((pos = find_asf_guid(hdr, asf_ext_stream_audio, 0, hdr_len)) >= 0)
{
// Special case: found GUID for dvr-ms audio.
// Now skip back to associated stream header.
int sh_pos=0;
sh_pos = find_backwards_asf_guid(hdr, asf_stream_header_guid, pos);
if (sh_pos > 0) {
sh_audio_t *sh_audio;
mp_msg(MSGT_HEADER, MSGL_V, "read_asf_header found dvr-ms audio stream header pos=%d\n", sh_pos);
// found audio stream header - following code reads header and
// initializes audio stream.
audio_pos = pos - 16 - 8;
streamh = (ASF_stream_header_t *)&hdr[sh_pos];
le2me_ASF_stream_header_t(streamh);
audio_pos += 64; //16+16+4+4+4+16+4;
buffer = &hdr[audio_pos];
sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F, NULL);
sh_audio->needs_parsing = 1;
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "asfheader", streamh->stream_no & 0x7F);
++audio_streams;
if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &audio_pos, &buffer, hdr, hdr_len))
goto len_err_out;
if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 0))
goto len_err_out;
}
}
// find stream headers
// only reset pos if we didnt find dvr_ms audio stream
// if we did find it then we want to avoid reading its header twice
if (audio_pos == 0)
pos = 0;
while ((pos = find_asf_guid(hdr, asf_stream_header_guid, pos, hdr_len)) >= 0)
{
streamh = (ASF_stream_header_t *)&hdr[pos];
pos += sizeof(ASF_stream_header_t);
if (pos > hdr_len) goto len_err_out;
le2me_ASF_stream_header_t(streamh);
mp_msg(MSGT_HEADER, MSGL_V, "stream type: %s\n",
asf_chunk_type(streamh->type));
mp_msg(MSGT_HEADER, MSGL_V, "stream concealment: %s\n",
asf_chunk_type(streamh->concealment));
mp_msg(MSGT_HEADER, MSGL_V, "type: %d bytes, stream: %d bytes ID: %d\n",
(int)streamh->type_size, (int)streamh->stream_size,
(int)streamh->stream_no);
mp_msg(MSGT_HEADER, MSGL_V, "unk1: %lX unk2: %X\n",
(unsigned long)streamh->unk1, (unsigned int)streamh->unk2);
mp_msg(MSGT_HEADER, MSGL_V, "FILEPOS=0x%X\n", pos + start);
// type-specific data:
buffer = &hdr[pos];
pos += streamh->type_size;
if (pos > hdr_len) goto len_err_out;
switch(ASF_LOAD_GUID_PREFIX(streamh->type)){
case ASF_GUID_PREFIX_audio_stream: {
sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F, NULL);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "asfheader", streamh->stream_no & 0x7F);
++audio_streams;
if (!asf_init_audio_stream(demuxer, asf, sh_audio, streamh, &pos, &buffer, hdr, hdr_len))
goto len_err_out;
//if(demuxer->audio->id==-1) demuxer->audio->id=streamh.stream_no & 0x7F;
break;
}
case ASF_GUID_PREFIX_video_stream: {
unsigned int len;
float asp_ratio;
sh_video_t* sh_video=new_sh_video(demuxer,streamh->stream_no & 0x7F);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "asfheader", streamh->stream_no & 0x7F);
len=streamh->type_size-(4+4+1+2);
++video_streams;
// sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
sh_video->bih=calloc((len<sizeof(*sh_video->bih))?sizeof(*sh_video->bih):len,1);
memcpy(sh_video->bih,&buffer[4+4+1+2],len);
le2me_BITMAPINFOHEADER(sh_video->bih);
if (sh_video->bih->biSize > len && sh_video->bih->biSize > sizeof(*sh_video->bih))
sh_video->bih->biSize = len;
if (sh_video->bih->biCompression == mmioFOURCC('D', 'V', 'R', ' ')) {
//mp_msg(MSGT_DEMUXER, MSGL_WARN, MSGTR_MPDEMUX_ASFHDR_DVRWantsLibavformat);
//sh_video->fps=(float)sh_video->video.dwRate/(float)sh_video->video.dwScale;
//sh_video->frametime=(float)sh_video->video.dwScale/(float)sh_video->video.dwRate;
asf->asf_frame_state=-1;
asf->asf_frame_start_found=0;
asf->asf_is_dvr_ms=1;
asf->dvr_last_vid_pts=0.0;
} else asf->asf_is_dvr_ms=0;
if (!get_ext_stream_properties(hdr, hdr_len, streamh->stream_no, asf, 1))
goto len_err_out;
if (get_meta(hdr, hdr_len, streamh->stream_no, &asp_ratio)) {
sh_video->aspect = asp_ratio * sh_video->bih->biWidth /
sh_video->bih->biHeight;
}
sh_video->i_bps = asf->bps;
if( mp_msg_test(MSGT_DEMUX,MSGL_V) ) print_video_header(sh_video->bih, MSGL_V);
//asf_video_id=streamh.stream_no & 0x7F;
//if(demuxer->video->id==-1) demuxer->video->id=streamh.stream_no & 0x7F;
break;
}
}
// stream-specific data:
// stream_read(demuxer->stream,(char*) buffer,streamh.stream_size);
}
// find file header
pos = find_asf_guid(hdr, asf_file_header_guid, 0, hdr_len);
if (pos >= 0) {
ASF_file_header_t *fileh = (ASF_file_header_t *)&hdr[pos];
pos += sizeof(ASF_file_header_t);
if (pos > hdr_len) goto len_err_out;
le2me_ASF_file_header_t(fileh);
mp_msg(MSGT_HEADER, MSGL_V, "ASF: packets: %d flags: %d "
"max_packet_size: %d min_packet_size: %d max_bitrate: %d "
"preroll: %d\n",
(int)fileh->num_packets, (int)fileh->flags,
(int)fileh->min_packet_size, (int)fileh->max_packet_size,
(int)fileh->max_bitrate, (int)fileh->preroll);
asf->packetsize=fileh->max_packet_size;
asf->packet=malloc(asf->packetsize); // !!!
asf->packetrate=fileh->max_bitrate/8.0/(double)asf->packetsize;
asf->movielength=(fileh->play_duration-10000*fileh->preroll)/10000000.0;
}
// find content header
pos = find_asf_guid(hdr, asf_content_desc_guid, 0, hdr_len);
if (pos >= 0) {
ASF_content_description_t *contenth = (ASF_content_description_t *)&hdr[pos];
char *string=NULL;
uint16_t* wstring = NULL;
uint16_t len;
pos += sizeof(ASF_content_description_t);
if (pos > hdr_len) goto len_err_out;
le2me_ASF_content_description_t(contenth);
mp_msg(MSGT_HEADER,MSGL_V,"\n");
// extract the title
if((len = contenth->title_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Title: %s\n", string);
demux_info_add(demuxer, "title", string);
free(string);
}
}
// extract the author
if((len = contenth->author_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Author: %s\n", string);
demux_info_add(demuxer, "author", string);
free(string);
}
}
// extract the copyright
if((len = contenth->copyright_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Copyright: %s\n", string);
demux_info_add(demuxer, "copyright", string);
free(string);
}
}
// extract the comment
if((len = contenth->comment_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Comment: %s\n", string);
demux_info_add(demuxer, "comments", string);
free(string);
}
}
// extract the rating
if((len = contenth->rating_size) != 0) {
wstring = (uint16_t*)&hdr[pos];
pos += len;
if (pos > hdr_len) goto len_err_out;
if ((string = get_ucs2str(wstring, len))) {
mp_msg(MSGT_HEADER,MSGL_V," Rating: %s\n", string);
free(string);
}
}
mp_msg(MSGT_HEADER,MSGL_V,"\n");
}
// find content header
pos = find_asf_guid(hdr, asf_stream_group_guid, 0, hdr_len);
if (pos >= 0) {
int max_streams = (hdr_len - pos - 2) / 6;
uint16_t stream_id, i;
uint32_t max_bitrate;
char *ptr = &hdr[pos];
mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == START ===\n");
if(max_streams <= 0) goto len_err_out;
stream_count = AV_RL16(ptr);
ptr += sizeof(uint16_t);
if(stream_count > max_streams) stream_count = max_streams;
if(stream_count > 0)
streams = malloc(2*stream_count*sizeof(uint32_t));
mp_msg(MSGT_HEADER,MSGL_V," stream count=[0x%x][%u]\n", stream_count, stream_count );
for( i=0 ; i<stream_count ; i++ ) {
stream_id = AV_RL16(ptr);
ptr += sizeof(uint16_t);
max_bitrate = AV_RL32(ptr);
ptr += sizeof(uint32_t);
mp_msg(MSGT_HEADER,MSGL_V," stream id=[0x%x][%u]\n", stream_id, stream_id );
mp_msg(MSGT_HEADER,MSGL_V," max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate );
streams[2*i] = stream_id;
streams[2*i+1] = max_bitrate;
}
mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == END ===\n");
}
free(hdr);
hdr = NULL;
start = stream_tell(demuxer->stream); // start of first data chunk
stream_read(demuxer->stream, guid_buffer, 16);
if (memcmp(guid_buffer, asf_data_chunk_guid, 16) != 0) {
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_NoDataChunkAfterHeader);
free(streams);
streams = NULL;
return 0;
}
// read length of chunk
data_len = stream_read_qword_le(demuxer->stream);
demuxer->movi_start = stream_tell(demuxer->stream) + 26;
demuxer->movi_end = start + data_len;
mp_msg(MSGT_HEADER, MSGL_V, "Found movie at 0x%X - 0x%X\n",
(int)demuxer->movi_start, (int)demuxer->movi_end);
if(streams) {
// stream selection is done in the network code, it shouldn't be done here
// as the servers often do not care about what we requested.
#if 0
uint32_t vr = 0, ar = 0,i;
#ifdef CONFIG_NETWORKING
if( demuxer->stream->streaming_ctrl!=NULL ) {
if( demuxer->stream->streaming_ctrl->bandwidth!=0 && demuxer->stream->streaming_ctrl->data!=NULL ) {
best_audio = ((asf_http_streaming_ctrl_t*)demuxer->stream->streaming_ctrl->data)->audio_id;
best_video = ((asf_http_streaming_ctrl_t*)demuxer->stream->streaming_ctrl->data)->video_id;
}
} else
#endif
for(i = 0; i < stream_count; i++) {
uint32_t id = streams[2*i];
uint32_t rate = streams[2*i+1];
if(demuxer->v_streams[id] && rate > vr) {
vr = rate;
best_video = id;
} else if(demuxer->a_streams[id] && rate > ar) {
ar = rate;
best_audio = id;
}
}
#endif
free(streams);
streams = NULL;
}
mp_msg(MSGT_HEADER,MSGL_V,"ASF: %d audio and %d video streams found\n",audio_streams,video_streams);
if(!audio_streams) demuxer->audio->id=-2; // nosound
else if(best_audio > 0 && demuxer->audio->id == -1) demuxer->audio->id=best_audio;
if(!video_streams){
if(!audio_streams){
mp_msg(MSGT_HEADER,MSGL_ERR,MSGTR_MPDEMUX_ASFHDR_AudioVideoHeaderNotFound);
return 0;
}
demuxer->video->id=-2; // audio-only
} else if (best_video > 0 && demuxer->video->id == -1) demuxer->video->id = best_video;
#if 0
if( mp_msg_test(MSGT_HEADER,MSGL_V) ){
printf("ASF duration: %d\n",(int)fileh.duration);
printf("ASF start pts: %d\n",(int)fileh.start_timestamp);
printf("ASF end pts: %d\n",(int)fileh.end_timestamp);
}
#endif
return 1;
len_err_out:
mp_msg(MSGT_HEADER, MSGL_FATAL, MSGTR_MPDEMUX_ASFHDR_InvalidLengthInASFHeader);
err_out:
if (hdr) free(hdr);
if (streams) free(streams);
return 0;
}
void read_avi_header(demuxer_t *demuxer,int index_mode){
sh_audio_t *sh_audio=NULL;
sh_video_t *sh_video=NULL;
int stream_id=-1;
int idxfix_videostream=0;
int idxfix_divx=0;
avi_priv_t* priv=demuxer->priv;
off_t list_end=0;
//---- AVI header:
priv->idx_size=0;
priv->audio_streams=0;
while(1){
int id=stream_read_dword_le(demuxer->stream);
unsigned chunksize,size2;
static int last_fccType=0;
static int last_fccHandler=0;
char* hdr=NULL;
//
if(stream_eof(demuxer->stream)) break;
// Imply -forceidx if -saveidx is specified
if (index_file_save)
index_mode = 2;
//
if(id==mmioFOURCC('L','I','S','T')){
unsigned len=stream_read_dword_le(demuxer->stream); // list size
id=stream_read_dword_le(demuxer->stream); // list type
mp_msg(MSGT_HEADER,MSGL_DBG2,"LIST %.4s len=%u\n",(char *) &id,len);
if(len >= 4) {
len -= 4;
list_end=stream_tell(demuxer->stream)+((len+1)&(~1));
} else {
mp_msg(MSGT_HEADER,MSGL_WARN,MSGTR_MPDEMUX_AVIHDR_EmptyList);
list_end = 0;
}
mp_msg(MSGT_HEADER,MSGL_V,"list_end=0x%X\n",(int)list_end);
if(id==listtypeAVIMOVIE){
// found MOVI header
if(!demuxer->movi_start) demuxer->movi_start=stream_tell(demuxer->stream);
demuxer->movi_end=stream_tell(demuxer->stream)+len;
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundMovieAt,(int)demuxer->movi_start,(int)demuxer->movi_end);
if(demuxer->stream->end_pos>demuxer->movi_end) demuxer->movi_end=demuxer->stream->end_pos;
if(index_mode==-2 || index_mode==2 || index_mode==0)
break; // reading from non-seekable source (stdin) or forced index or no index forced
if(list_end>0) stream_seek(demuxer->stream,list_end); // skip movi
list_end=0;
}
continue;
}
size2=stream_read_dword_le(demuxer->stream);
mp_msg(MSGT_HEADER,MSGL_DBG2,"CHUNK %.4s len=%u\n",(char *) &id,size2);
chunksize=(size2+1)&(~1);
switch(id){
// Indicates where the subject of the file is archived
case mmioFOURCC('I','A','R','L'): hdr="Archival Location";break;
// Lists the artist of the original subject of the file;
// for example, "Michaelangelo."
case mmioFOURCC('I','A','R','T'): hdr="Artist";break;
// Lists the name of the person or organization that commissioned
// the subject of the file; for example "Pope Julian II."
case mmioFOURCC('I','C','M','S'): hdr="Commissioned";break;
// Provides general comments about the file or the subject
// of the file. If the comment is several sentences long, end each
// sentence with a period. Do not include new-line characters.
case mmioFOURCC('I','C','M','T'): hdr="Comments";break;
// Records the copyright information for the file; for example,
// "Copyright Encyclopedia International 1991." If there are multiple
// copyrights, separate them by semicolon followed by a space.
case mmioFOURCC('I','C','O','P'): hdr="Copyright";break;
// Describes whether an image has been cropped and, if so, how it
// was cropped; for example, "lower-right corner."
case mmioFOURCC('I','C','R','D'): hdr="Creation Date";break;
// Describes whether an image has been cropped and, if so, how it
// was cropped; for example, "lower-right corner."
case mmioFOURCC('I','C','R','P'): hdr="Cropped";break;
// Specifies the size of the original subject of the file; for
// example, "8.5 in h, 11 in w."
case mmioFOURCC('I','D','I','M'): hdr="Dimensions";break;
// Stores dots per inch setting of the digitizer used to
// produce the file, such as "300."
case mmioFOURCC('I','D','P','I'): hdr="Dots Per Inch";break;
// Stores the of the engineer who worked on the file. If there are
// multiple engineers, separate the names by a semicolon and a blank;
// for example, "Smith, John; Adams, Joe."
case mmioFOURCC('I','E','N','G'): hdr="Engineer";break;
// Describes the original work, such as "landscape,", "portrait,"
// "still liefe," etc.
case mmioFOURCC('I','G','N','R'): hdr="Genre";break;
// Provides a list of keywords that refer to the file or subject of the
// file. Separate multiple keywords with a semicolon and a blank;
// for example, "Seattle, aerial view; scenery."
case mmioFOURCC('I','K','E','Y'): hdr="Keywords";break;
// ILGT - Describes the changes in the lightness settings on the digitizer
// required to produce the file. Note that the format of this information
// depends on the hardware used.
case mmioFOURCC('I','L','G','T'): hdr="Lightness";break;
// IMED - Decribes the original subject of the file, such as
// "computer image," "drawing," "lithograph," and so on.
case mmioFOURCC('I','M','E','D'): hdr="Medium";break;
// INAM - Stores the title of the subject of the file, such as
// "Seattle from Above."
case mmioFOURCC('I','N','A','M'): hdr="Title";break;
// IPLT - Specifies the number of colors requested when digitizing
// an image, such as "256."
case mmioFOURCC('I','P','L','T'): hdr="Palette Setting";break;
// IPRD - Specifies the name of title the file was originally intended
// for, such as "Encyclopedia of Pacific Northwest Geography."
case mmioFOURCC('I','P','R','D'): hdr="Product";break;
// ISBJ - Decsribes the contents of the file, such as
// "Aerial view of Seattle."
case mmioFOURCC('I','S','B','J'): hdr="Subject";break;
// ISFT - Identifies the name of the software packages used to create the
// file, such as "Microsoft WaveEdit"
case mmioFOURCC('I','S','F','T'): hdr="Software";break;
// ISHP - Identifies the change in sharpness for the digitizer
// required to produce the file (the format depends on the hardware used).
case mmioFOURCC('I','S','H','P'): hdr="Sharpness";break;
// ISRC - Identifies the name of the person or organization who
// suplied the original subject of the file; for example, "Try Research."
case mmioFOURCC('I','S','R','C'): hdr="Source";break;
// ISRF - Identifies the original form of the material that was digitized,
// such as "slide," "paper," "map," and so on. This is not necessarily
// the same as IMED
case mmioFOURCC('I','S','R','F'): hdr="Source Form";break;
// ITCH - Identifies the technician who digitized the subject file;
// for example, "Smith, John."
case mmioFOURCC('I','T','C','H'): hdr="Technician";break;
case mmioFOURCC('I','S','M','P'): hdr="Time Code";break;
case mmioFOURCC('I','D','I','T'): hdr="Digitization Time";break;
case ckidAVIMAINHDR: // read 'avih'
stream_read(demuxer->stream,(char*) &avih,FFMIN(size2,sizeof(avih)));
le2me_MainAVIHeader(&avih); // swap to machine endian
chunksize-=FFMIN(size2,sizeof(avih));
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_avih(&avih,MSGL_V); // else print_avih_flags(&avih,MSGL_V);
break;
case ckidSTREAMHEADER: { // read 'strh'
AVIStreamHeader h;
stream_read(demuxer->stream,(char*) &h,FFMIN(size2,sizeof(h)));
le2me_AVIStreamHeader(&h); // swap to machine endian
chunksize-=FFMIN(size2,sizeof(h));
++stream_id;
if(h.fccType==streamtypeVIDEO){
sh_video=new_sh_video(demuxer,stream_id);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_VideoID, "aviheader", stream_id);
memcpy(&sh_video->video,&h,sizeof(h));
sh_video->stream_delay = (float)sh_video->video.dwStart * sh_video->video.dwScale/sh_video->video.dwRate;
} else
if(h.fccType==streamtypeAUDIO){
sh_audio=new_sh_audio(demuxer,stream_id);
mp_msg(MSGT_DEMUX, MSGL_INFO, MSGTR_AudioID, "aviheader", stream_id);
memcpy(&sh_audio->audio,&h,sizeof(h));
sh_audio->stream_delay = (float)sh_audio->audio.dwStart * sh_audio->audio.dwScale/sh_audio->audio.dwRate;
}
last_fccType=h.fccType;
last_fccHandler=h.fccHandler;
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_strh(&h,MSGL_V);
break; }
case mmioFOURCC('i', 'n', 'd', 'x'): {
uint32_t i;
avisuperindex_chunk *s;
if(!index_mode) break;
if(chunksize<=24){
break;
}
priv->suidx_size++;
priv->suidx = realloc_struct(priv->suidx, priv->suidx_size, sizeof (avisuperindex_chunk));
s = &priv->suidx[priv->suidx_size-1];
chunksize-=24;
memcpy(s->fcc, "indx", 4);
s->dwSize = size2;
s->wLongsPerEntry = stream_read_word_le(demuxer->stream);
s->bIndexSubType = stream_read_char(demuxer->stream);
s->bIndexType = stream_read_char(demuxer->stream);
s->nEntriesInUse = stream_read_dword_le(demuxer->stream);
*(uint32_t *)s->dwChunkId = stream_read_dword_le(demuxer->stream);
stream_read(demuxer->stream, (char *)s->dwReserved, 3*4);
memset(s->dwReserved, 0, 3*4);
print_avisuperindex_chunk(s,MSGL_V);
// Check and fix this useless crap
if(s->wLongsPerEntry != sizeof (avisuperindex_entry)/4) {
mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk size: %u\n",s->wLongsPerEntry);
s->wLongsPerEntry = sizeof(avisuperindex_entry)/4;
}
if( ((chunksize/4)/s->wLongsPerEntry) < s->nEntriesInUse){
mp_msg (MSGT_HEADER, MSGL_WARN, "Broken super index chunk\n");
s->nEntriesInUse = (chunksize/4)/s->wLongsPerEntry;
}
s->aIndex = calloc(s->nEntriesInUse, sizeof (avisuperindex_entry));
s->stdidx = calloc(s->nEntriesInUse, sizeof (avistdindex_chunk));
// now the real index of indices
for (i=0; i<s->nEntriesInUse; i++) {
chunksize-=16;
s->aIndex[i].qwOffset = stream_read_qword_le(demuxer->stream);
s->aIndex[i].dwSize = stream_read_dword_le(demuxer->stream);
s->aIndex[i].dwDuration = stream_read_dword_le(demuxer->stream);
mp_msg (MSGT_HEADER, MSGL_V, "ODML (%.4s): [%d] 0x%016"PRIx64" 0x%04x %u\n",
(s->dwChunkId), i,
(uint64_t)s->aIndex[i].qwOffset, s->aIndex[i].dwSize, s->aIndex[i].dwDuration);
}
break; }
case ckidSTREAMFORMAT: { // read 'strf'
if(last_fccType==streamtypeVIDEO){
sh_video->bih=calloc(FFMAX(chunksize, sizeof(BITMAPINFOHEADER)), 1);
// sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundBitmapInfoHeader,chunksize,sizeof(BITMAPINFOHEADER));
stream_read(demuxer->stream,(char*) sh_video->bih,chunksize);
le2me_BITMAPINFOHEADER(sh_video->bih); // swap to machine endian
if (sh_video->bih->biSize > chunksize && sh_video->bih->biSize > sizeof(BITMAPINFOHEADER))
sh_video->bih->biSize = chunksize;
// fixup MS-RLE header (seems to be broken for <256 color files)
if(sh_video->bih->biCompression<=1 && sh_video->bih->biSize==40)
sh_video->bih->biSize=chunksize;
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh_video->bih,MSGL_V);
chunksize=0;
sh_video->fps=(float)sh_video->video.dwRate/(float)sh_video->video.dwScale;
sh_video->frametime=(float)sh_video->video.dwScale/(float)sh_video->video.dwRate;
sh_video->format = sh_video->bih->biCompression;
// if(demuxer->video->id==-1) demuxer->video->id=stream_id;
// IdxFix:
idxfix_videostream=stream_id;
switch(sh_video->bih->biCompression){
case mmioFOURCC('M', 'P', 'G', '4'):
case mmioFOURCC('m', 'p', 'g', '4'):
case mmioFOURCC('D', 'I', 'V', '1'):
idxfix_divx=3; // set index recovery mpeg4 flavour: msmpeg4v1
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForMPG4V1);
break;
case mmioFOURCC('D', 'I', 'V', '3'):
case mmioFOURCC('d', 'i', 'v', '3'):
case mmioFOURCC('D', 'I', 'V', '4'):
case mmioFOURCC('d', 'i', 'v', '4'):
case mmioFOURCC('D', 'I', 'V', '5'):
case mmioFOURCC('d', 'i', 'v', '5'):
case mmioFOURCC('D', 'I', 'V', '6'):
case mmioFOURCC('d', 'i', 'v', '6'):
case mmioFOURCC('M', 'P', '4', '3'):
case mmioFOURCC('m', 'p', '4', '3'):
case mmioFOURCC('M', 'P', '4', '2'):
case mmioFOURCC('m', 'p', '4', '2'):
case mmioFOURCC('D', 'I', 'V', '2'):
case mmioFOURCC('A', 'P', '4', '1'):
idxfix_divx=1; // set index recovery mpeg4 flavour: msmpeg4v3
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForDIVX3);
break;
case mmioFOURCC('D', 'I', 'V', 'X'):
case mmioFOURCC('d', 'i', 'v', 'x'):
case mmioFOURCC('D', 'X', '5', '0'):
case mmioFOURCC('X', 'V', 'I', 'D'):
case mmioFOURCC('x', 'v', 'i', 'd'):
case mmioFOURCC('F', 'M', 'P', '4'):
case mmioFOURCC('f', 'm', 'p', '4'):
idxfix_divx=2; // set index recovery mpeg4 flavour: generic mpeg4
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_RegeneratingKeyfTableForMPEG4);
break;
}
} else
if(last_fccType==streamtypeAUDIO){
unsigned wf_size = chunksize<sizeof(WAVEFORMATEX)?sizeof(WAVEFORMATEX):chunksize;
sh_audio->wf=calloc(wf_size,1);
// sh_audio->wf=malloc(chunksize); memset(sh_audio->wf,0,chunksize);
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundWaveFmt,chunksize,sizeof(WAVEFORMATEX));
stream_read(demuxer->stream,(char*) sh_audio->wf,chunksize);
le2me_WAVEFORMATEX(sh_audio->wf);
if (sh_audio->wf->cbSize != 0 &&
wf_size < sizeof(WAVEFORMATEX)+sh_audio->wf->cbSize) {
sh_audio->wf=realloc(sh_audio->wf, sizeof(WAVEFORMATEX)+sh_audio->wf->cbSize);
}
sh_audio->format=sh_audio->wf->wFormatTag;
if (sh_audio->format == 1 &&
last_fccHandler == mmioFOURCC('A', 'x', 'a', 'n'))
sh_audio->format = last_fccHandler;
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
chunksize=0;
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_wave_header(sh_audio->wf,MSGL_V);
++priv->audio_streams;
// if(demuxer->audio->id==-1) demuxer->audio->id=stream_id;
}
break;
}
case mmioFOURCC('v', 'p', 'r', 'p'): {
VideoPropHeader *vprp = malloc(chunksize);
unsigned int i;
stream_read(demuxer->stream, (void*)vprp, chunksize);
le2me_VideoPropHeader(vprp);
chunksize -= sizeof(*vprp)-sizeof(vprp->FieldInfo);
chunksize /= sizeof(VIDEO_FIELD_DESC);
if (vprp->nbFieldPerFrame > chunksize) {
vprp->nbFieldPerFrame = chunksize;
}
chunksize = 0;
for (i=0; i<vprp->nbFieldPerFrame; i++) {
le2me_VIDEO_FIELD_DESC(&vprp->FieldInfo[i]);
}
if (sh_video) {
sh_video->aspect = GET_AVI_ASPECT(vprp->dwFrameAspectRatio);
}
if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_vprp(vprp,MSGL_V);
free(vprp);
break;
}
case mmioFOURCC('d', 'm', 'l', 'h'): {
// dmlh 00 00 00 04 frms
unsigned int total_frames = stream_read_dword_le(demuxer->stream);
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_FoundAVIV2Header, chunksize, total_frames);
stream_skip(demuxer->stream, chunksize-4);
chunksize = 0;
}
break;
case ckidAVINEWINDEX:
if(demuxer->movi_end>stream_tell(demuxer->stream))
demuxer->movi_end=stream_tell(demuxer->stream); // fixup movi-end
if(index_mode && !priv->isodml){
int i;
priv->idx_size=size2>>4;
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_ReadingIndexBlockChunksForFrames,
priv->idx_size,avih.dwTotalFrames, (int64_t)stream_tell(demuxer->stream));
priv->idx=malloc(priv->idx_size<<4);
// printf("\nindex to %p !!!!! (priv=%p)\n",priv->idx,priv);
stream_read(demuxer->stream,(char*)priv->idx,priv->idx_size<<4);
for (i = 0; i < priv->idx_size; i++) { // swap index to machine endian
AVIINDEXENTRY *entry=(AVIINDEXENTRY*)priv->idx + i;
le2me_AVIINDEXENTRY(entry);
/*
* We (ab)use the upper word for bits 32-47 of the offset, so
* we'll clear them here.
* FIXME: AFAIK no codec uses them, but if one does it will break
*/
entry->dwFlags&=0xffff;
}
chunksize-=priv->idx_size<<4;
if( mp_msg_test(MSGT_HEADER,MSGL_DBG2) ) print_index(priv->idx,priv->idx_size,MSGL_DBG2);
}
break;
/* added May 2002 */
case mmioFOURCC('R','I','F','F'): {
char riff_type[4];
mp_msg(MSGT_HEADER, MSGL_V, MSGTR_MPDEMUX_AVIHDR_AdditionalRIFFHdr);
stream_read(demuxer->stream, riff_type, sizeof riff_type);
if (strncmp(riff_type, "AVIX", sizeof riff_type))
mp_msg(MSGT_HEADER, MSGL_WARN, MSGTR_MPDEMUX_AVIHDR_WarnNotExtendedAVIHdr);
else {
/*
* We got an extended AVI header, so we need to switch to
* ODML to get seeking to work, provided we got indx chunks
* in the header (suidx_size > 0).
*/
if (priv->suidx_size > 0)
priv->isodml = 1;
}
chunksize = 0;
list_end = 0; /* a new list will follow */
break; }
case ckidAVIPADDING:
stream_skip(demuxer->stream, chunksize);
chunksize = 0;
break;
}
if(hdr){
mp_msg(MSGT_HEADER,MSGL_V,"hdr=%s size=%u\n",hdr,size2);
if(size2==3)
chunksize=1; // empty
else {
char buf[256];
int len=(size2<250)?size2:250;
stream_read(demuxer->stream,buf,len);
chunksize-=len;
buf[len]=0;
mp_msg(MSGT_HEADER,MSGL_V,"%-10s: %s\n",hdr,buf);
demux_info_add(demuxer, hdr, buf);
}
}
mp_msg(MSGT_HEADER,MSGL_DBG2,"list_end=0x%"PRIX64" pos=0x%"PRIX64" chunksize=0x%"PRIX64" next=0x%"PRIX64"\n",
(int64_t)list_end, (int64_t)stream_tell(demuxer->stream),
(int64_t)chunksize, (int64_t)chunksize+(int64_t)stream_tell(demuxer->stream));
if(list_end>0 &&
chunksize+stream_tell(demuxer->stream) == list_end) list_end=0;
if(list_end>0 && chunksize+stream_tell(demuxer->stream)>list_end){
mp_msg(MSGT_HEADER,MSGL_V,MSGTR_MPDEMUX_AVIHDR_BrokenChunk,chunksize,(char *) &id);
stream_seek(demuxer->stream,list_end);
list_end=0;
} else
if(chunksize>0) stream_skip(demuxer->stream,chunksize); else
if((int)chunksize<0) mp_msg(MSGT_HEADER,MSGL_WARN,"chunksize=%u (id=%.4s)\n",chunksize,(char *) &id);
}
