int quicktime_read_minf(quicktime_t *file, quicktime_minf_t *minf, quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
long pos = quicktime_position(file);
do
{
quicktime_atom_read_header(file, &leaf_atom);
/* mandatory */
if(quicktime_atom_is(&leaf_atom, "vmhd"))
{ minf->is_video = 1; quicktime_read_vmhd(file, &(minf->vmhd)); }
else
if(quicktime_atom_is(&leaf_atom, "smhd"))
{ minf->is_audio = 1; quicktime_read_smhd(file, &(minf->smhd)); }
else
if(quicktime_atom_is(&leaf_atom, "gmhd"))
{ minf->is_hint = 1; quicktime_read_gmhd(file, &(minf->gmhd), &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "hmhd"))
{ minf->is_hint = 1; quicktime_read_hmhd(file, &(minf->hmhd), &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "hdlr"))
{
quicktime_read_hdlr(file, &(minf->hdlr));
/* Main Actor doesn't write component name */
quicktime_atom_skip(file, &leaf_atom);
}
else
if(quicktime_atom_is(&leaf_atom, "dinf"))
{ quicktime_read_dinf(file, &(minf->dinf), &leaf_atom); }
else
quicktime_atom_skip(file, &leaf_atom);
}while(quicktime_position(file) < parent_atom->end);
quicktime_set_position(file, pos);
do {
quicktime_atom_read_header(file, &leaf_atom);
if(quicktime_atom_is(&leaf_atom, "stbl")) {
quicktime_read_stbl(file, minf, &(minf->stbl), &leaf_atom);
} else {
quicktime_atom_skip(file, &leaf_atom);
}
} while(quicktime_position(file) < parent_atom->end);
return 0;
}
int quicktime_read_mdia(quicktime_t *file, quicktime_mdia_t *mdia, quicktime_atom_t *trak_atom)
{
quicktime_atom_t leaf_atom;
do
{
quicktime_atom_read_header(file, &leaf_atom);
/* mandatory */
if(quicktime_atom_is(&leaf_atom, "mdhd"))
{ quicktime_read_mdhd(file, &(mdia->mdhd)); }
else
if(quicktime_atom_is(&leaf_atom, "hdlr"))
{
quicktime_read_hdlr(file, &(mdia->hdlr));
/* Main Actor doesn't write component name */
quicktime_atom_skip(file, &leaf_atom);
/*printf("quicktime_read_mdia %ld\n", quicktime_position(file)); */
}
else
if(quicktime_atom_is(&leaf_atom, "minf"))
{ quicktime_read_minf(file, &(mdia->minf), &leaf_atom); }
else
quicktime_atom_skip(file, &leaf_atom);
}while(quicktime_position(file) < trak_atom->end);
return 0;
}
void quicktime_read_hdrl(quicktime_t *file,
quicktime_hdrl_t *hdrl,
quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
char data[4];
int current_track = 0;
//printf("quicktime_read_hdrl 1\n");
do
{
quicktime_atom_read_header(file, &leaf_atom);
/* Got LIST */
if(quicktime_atom_is(&leaf_atom, "LIST"))
{
data[0] = data[1] = data[2] = data[3] = 0;
quicktime_read_data(file, data, 4);
/* Got strl */
if(quicktime_match_32(data, "strl"))
{
quicktime_strl_t *strl =
hdrl->strl[current_track++] =
quicktime_new_strl();
quicktime_read_strl(file, strl, &leaf_atom);
}
}
quicktime_atom_skip(file, &leaf_atom);
}while(quicktime_position(file) < parent_atom->end);
quicktime_atom_skip(file, &leaf_atom);
}
void quicktime_read_stsd_audio(quicktime_t *file,
quicktime_stsd_table_t *table,
quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
table->version = quicktime_read_int16(file);
table->revision = quicktime_read_int16(file);
quicktime_read_data(file, table->vendor, 4);
table->channels = quicktime_read_int16(file);
table->sample_size = quicktime_read_int16(file);
table->compression_id = quicktime_read_int16(file);
table->packet_size = quicktime_read_int16(file);
table->sample_rate = quicktime_read_fixed32(file);
// Kluge for fixed32 limitation
if(table->sample_rate + 65536 == 96000 ||
table->sample_rate + 65536 == 88200) table->sample_rate += 65536;
// Version 1 fields
if(table->version > 0)
{
table->samples_per_packet = quicktime_read_int32(file);
table->bytes_per_packet = quicktime_read_int32(file);
table->bytes_per_frame = quicktime_read_int32(file);
table->bytes_per_sample = quicktime_read_int32(file);
// Skip another 20 bytes
if(table->version == 2)
{
quicktime_set_position(file, quicktime_position(file) + 0x14);
}
while(quicktime_position(file) < parent_atom->end)
{
quicktime_atom_read_header(file, &leaf_atom);
if(quicktime_atom_is(&leaf_atom, "wave"))
{
read_wave(file, table, &leaf_atom);
}
else
{
quicktime_atom_skip(file, &leaf_atom);
}
}
}
// FFMPEG says the esds sometimes contains a sample rate that overrides
// the sample table.
quicktime_esds_samplerate(table, &table->esds);
}
void quicktime_read_dinf(quicktime_t *file, quicktime_dinf_t *dinf, quicktime_atom_t *dinf_atom)
{
quicktime_atom_t leaf_atom;
do
{
quicktime_atom_read_header(file, &leaf_atom);
if(quicktime_atom_is(&leaf_atom, "dref"))
{ quicktime_read_dref(file, &(dinf->dref)); }
else
quicktime_atom_skip(file, &leaf_atom);
}while(quicktime_position(file) < dinf_atom->end);
}
int quicktime_read_gmhd(quicktime_t *file, quicktime_gmhd_t *gmhd, quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
do {
quicktime_atom_read_header(file, &leaf_atom);
if (quicktime_atom_is(&leaf_atom, "gmin")) {
quicktime_read_gmin(file, &(gmhd->gmin));
} else {
quicktime_atom_skip(file, &leaf_atom);
}
} while (quicktime_position(file) < parent_atom->end);
}
int quicktime_read_tref(quicktime_t *file, quicktime_tref_t *tref, quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
do {
quicktime_atom_read_header(file, &leaf_atom);
if (quicktime_atom_is(&leaf_atom, "hint")) {
quicktime_read_hint(file, &(tref->hint), &leaf_atom);
} else {
quicktime_atom_skip(file, &leaf_atom);
}
} while (quicktime_position(file) < parent_atom->end);
}
int quicktime_read_moov(quicktime_t *file, quicktime_moov_t *moov, quicktime_atom_t *parent_atom)
{
/* mandatory mvhd */
quicktime_atom_t leaf_atom;
do
{
quicktime_atom_read_header(file, &leaf_atom);
if(quicktime_atom_is(&leaf_atom, "mvhd"))
{
quicktime_read_mvhd(file, &(moov->mvhd));
}
else
if(quicktime_atom_is(&leaf_atom, "iods"))
{
quicktime_read_iods(file, &(moov->iods));
quicktime_atom_skip(file, &leaf_atom);
}
else
if(quicktime_atom_is(&leaf_atom, "clip"))
{
quicktime_atom_skip(file, &leaf_atom);
}
else
if(quicktime_atom_is(&leaf_atom, "trak"))
{
quicktime_trak_t *trak = quicktime_add_trak(moov);
quicktime_read_trak(file, trak, &leaf_atom);
}
else
if(quicktime_atom_is(&leaf_atom, "udta"))
{
quicktime_read_udta(file, &(moov->udta), &leaf_atom);
quicktime_atom_skip(file, &leaf_atom);
}
else
if(quicktime_atom_is(&leaf_atom, "ctab"))
{
quicktime_read_ctab(file, &(moov->ctab));
}
else
{
quicktime_atom_skip(file, &leaf_atom);
}
}while(quicktime_position(file) < parent_atom->end);
return 0;
}
void quicktime_read_stsd_table(quicktime_t *file, quicktime_minf_t *minf, quicktime_stsd_table_t *table)
{
quicktime_atom_t leaf_atom;
quicktime_atom_read_header(file, &leaf_atom);
table->format[0] = leaf_atom.type[0];
table->format[1] = leaf_atom.type[1];
table->format[2] = leaf_atom.type[2];
table->format[3] = leaf_atom.type[3];
quicktime_read_data(file, table->reserved, 6);
table->data_reference = quicktime_read_int16(file);
if(minf->is_audio) quicktime_read_stsd_audio(file, table, &leaf_atom);
if(minf->is_video) quicktime_read_stsd_video(file, table, &leaf_atom);
}
static void read_wave(quicktime_t *file,
quicktime_stsd_table_t *table,
quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
while(quicktime_position(file) < parent_atom->end)
{
quicktime_atom_read_header(file, &leaf_atom);
if(quicktime_atom_is(&leaf_atom, "esds"))
{
quicktime_read_esds(file, &leaf_atom, &table->esds);
}
else
quicktime_atom_skip(file, &leaf_atom);
}
}
int quicktime_read_hnti(quicktime_t *file, quicktime_hnti_t *hnti, quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
do {
quicktime_atom_read_header(file, &leaf_atom);
if (quicktime_atom_is(&leaf_atom, "rtp ")) {
quicktime_read_rtp(file, &(hnti->rtp), &leaf_atom);
} else {
quicktime_atom_skip(file, &leaf_atom);
}
} while (quicktime_position(file) < parent_atom->end);
return 0;
}
int quicktime_check_sig(char *path)
{
quicktime_t file;
quicktime_atom_t leaf_atom;
int result = 0, result1 = 0, result2 = 0;
char avi_test[12];
quicktime_init(&file);
result = quicktime_file_open(&file, path, 1, 0);
if(!result)
{
// Check for Microsoft AVI
quicktime_read_data(&file, avi_test, 12);
quicktime_set_position(&file, 0);
if(quicktime_match_32(avi_test, "RIFF") &&
quicktime_match_32(avi_test + 8, "AVI "))
{
result2 = 1;
}
else
{
do
{
result1 = quicktime_atom_read_header(&file, &leaf_atom);
if(!result1)
{
/* just want the "moov" atom */
if(quicktime_atom_is(&leaf_atom, "moov"))
{
result2 = 1;
}
else
quicktime_atom_skip(&file, &leaf_atom);
}
}while(!result1 && !result2 && quicktime_position(&file) < file.total_length);
}
}
//printf(__FUNCTION__ " 2 %d\n", result2);
quicktime_file_close(&file);
quicktime_delete(&file);
return result2;
}
int quicktime_read_trak(quicktime_t *file, quicktime_trak_t *trak, quicktime_atom_t *trak_atom)
{
quicktime_atom_t leaf_atom;
do
{
quicktime_atom_read_header(file, &leaf_atom);
/* mandatory */
if(quicktime_atom_is(&leaf_atom, "tkhd"))
{ quicktime_read_tkhd(file, &(trak->tkhd)); }
else
if(quicktime_atom_is(&leaf_atom, "mdia"))
{ quicktime_read_mdia(file, &(trak->mdia), &leaf_atom); }
else
/* optional */
if(quicktime_atom_is(&leaf_atom, "clip"))
{ quicktime_atom_skip(file, &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "matt"))
{ quicktime_atom_skip(file, &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "edts"))
{ quicktime_read_edts(file, &(trak->edts), &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "load"))
{ quicktime_atom_skip(file, &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "tref"))
{ quicktime_read_tref(file, &(trak->tref), &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "imap"))
{ quicktime_atom_skip(file, &leaf_atom); }
else
if(quicktime_atom_is(&leaf_atom, "udta"))
{ quicktime_read_hint_udta(file, &(trak->hint_udta), &leaf_atom); }
else
quicktime_atom_skip(file, &leaf_atom);
}while(quicktime_position(file) < trak_atom->end);
return 0;
}
static void read_wave(quicktime_t *file,
quicktime_stsd_table_t *table,
quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
//printf("read_wave 1 start=0x%llx\n", quicktime_position(file));
while(quicktime_position(file) < parent_atom->end)
{
quicktime_atom_read_header(file, &leaf_atom);
if(quicktime_atom_is(&leaf_atom, "esds"))
{
quicktime_read_esds(file, &leaf_atom, &table->esds);
}
else if(quicktime_atom_is(&leaf_atom, "frma"))
{
// Extra data for QDM2
quicktime_read_frma(file, parent_atom, &leaf_atom, &table->frma);
}
else
quicktime_atom_skip(file, &leaf_atom);
}
}
int quicktime_check_sig(const char *path)
{
quicktime_t file;
quicktime_atom_t leaf_atom;
int result1 = 0, result2 = 0;
quicktime_init(&file);
if(!(file.stream = fopen(path, "rb")))
{
perror("quicktime_check_sig");
return 0;
}
fseek(file.stream, 0, SEEK_END);
file.total_length = ftell(file.stream);
fseek(file.stream, 0, SEEK_SET);
do
{
result1 = quicktime_atom_read_header(&file, &leaf_atom);
if(!result1)
{
/* just want the "moov" atom */
if(quicktime_atom_is(&leaf_atom, "moov"))
{
result2 = 1;
}
else
quicktime_atom_skip(&file, &leaf_atom);
}
}while(!result1 && !result2 && quicktime_position(&file) < file.total_length);
fclose(file.stream);
quicktime_delete(&file);
return result2;
}
int quicktime_read_hinf(quicktime_t *file, quicktime_hinf_t *hinf, quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
do {
quicktime_atom_read_header(file, &leaf_atom);
if (quicktime_atom_is(&leaf_atom, "trpy")) {
quicktime_read_trpy(file, &(hinf->trpy));
} else if (quicktime_atom_is(&leaf_atom, "nump")) {
quicktime_read_nump(file, &(hinf->nump));
} else if (quicktime_atom_is(&leaf_atom, "tpyl")) {
quicktime_read_tpyl(file, &(hinf->tpyl));
} else if (quicktime_atom_is(&leaf_atom, "maxr")) {
quicktime_read_maxr(file, &(hinf->maxr));
} else if (quicktime_atom_is(&leaf_atom, "dmed")) {
quicktime_read_dmed(file, &(hinf->dmed));
} else if (quicktime_atom_is(&leaf_atom, "dimm")) {
quicktime_read_dimm(file, &(hinf->dimm));
} else if (quicktime_atom_is(&leaf_atom, "drep")) {
quicktime_read_drep(file, &(hinf->drep));
} else if (quicktime_atom_is(&leaf_atom, "tmin")) {
quicktime_read_tmin(file, &(hinf->tmin));
} else if (quicktime_atom_is(&leaf_atom, "tmax")) {
quicktime_read_tmax(file, &(hinf->tmax));
} else if (quicktime_atom_is(&leaf_atom, "pmax")) {
quicktime_read_pmax(file, &(hinf->pmax));
} else if (quicktime_atom_is(&leaf_atom, "dmax")) {
quicktime_read_dmax(file, &(hinf->dmax));
} else if (quicktime_atom_is(&leaf_atom, "payt")) {
quicktime_read_payt(file, &(hinf->payt), &leaf_atom);
} else {
quicktime_atom_skip(file, &leaf_atom);
}
} while (quicktime_position(file) < parent_atom->end);
}
int quicktime_read_info(quicktime_t *file)
{
int result = 0, got_header = 0;
int i, channel, trak_channel, track;
int64_t start_position = quicktime_position(file);
quicktime_atom_t leaf_atom;
quicktime_trak_t *trak;
char avi_avi[4];
int got_avi = 0;
int got_asf = 0;
quicktime_set_position(file, 0LL);
/* Test file format */
do
{
file->use_avi = 1;
file->use_asf = 1;
result = quicktime_atom_read_header(file, &leaf_atom);
if(!result && quicktime_atom_is(&leaf_atom, "RIFF"))
{
quicktime_read_data(file, avi_avi, 4);
if(quicktime_match_32(avi_avi, "AVI "))
{
got_avi = 1;
}
else
{
result = 0;
break;
}
}
else
{
result = 0;
break;
}
}while(1);
if(!got_avi) file->use_avi = 0;
if(!got_asf) file->use_asf = 0;
quicktime_set_position(file, 0LL);
/* McRoweSoft AVI section */
if(file->use_avi)
{
//printf("quicktime_read_info 1\n");
/* Import first RIFF */
do
{
result = quicktime_atom_read_header(file, &leaf_atom);
if(!result)
{
if(quicktime_atom_is(&leaf_atom, "RIFF"))
{
quicktime_read_riff(file, &leaf_atom);
/* Return success */
got_header = 1;
}
}
}while(!result &&
!got_header &&
quicktime_position(file) < file->total_length);
//printf("quicktime_read_info 10\n");
/* Construct indexes. */
quicktime_import_avi(file);
//printf("quicktime_read_info 20\n");
}
/* Quicktime section */
else
if(!file->use_avi)
{
do
{
result = quicktime_atom_read_header(file, &leaf_atom);
if(!result)
{
if(quicktime_atom_is(&leaf_atom, "mdat"))
{
quicktime_read_mdat(file, &(file->mdat), &leaf_atom);
}
else
if(quicktime_atom_is(&leaf_atom, "moov"))
{
/* Set preload and preload the moov atom here */
int64_t start_position = quicktime_position(file);
long temp_size = leaf_atom.end - start_position;
unsigned char *temp = malloc(temp_size);
quicktime_set_preload(file,
(temp_size < 0x100000) ? 0x100000 : temp_size);
quicktime_read_data(file, temp, temp_size);
quicktime_set_position(file, start_position);
free(temp);
if(quicktime_read_moov(file, &(file->moov), &leaf_atom))
return 1;
got_header = 1;
}
else
quicktime_atom_skip(file, &leaf_atom);
}
}while(!result && quicktime_position(file) < file->total_length);
/* go back to the original position */
quicktime_set_position(file, start_position);
}
/* Initialize track map objects */
if(got_header)
{
quicktime_init_maps(file);
}
/* Shut down preload in case of an obsurdly high temp_size */
quicktime_set_preload(file, 0);
//printf("quicktime_read_info 100\n");
return !got_header;
}
int quicktime_read_info(quicktime_t *file)
{
int result = 0, found_moov = 0;
int i, j, k, m, channel, trak_channel, track;
long start_position = quicktime_position(file);
quicktime_atom_t leaf_atom;
quicktime_trak_t *trak;
char avi_test[4];
/* Check for Microsoft AVI */
quicktime_read_char32(file, avi_test);
if(quicktime_match_32(avi_test, "RIFF"))
{
quicktime_read_char32(file, avi_test);
quicktime_read_char32(file, avi_test);
if(quicktime_match_32(avi_test, "AVI "))
file->use_avi = 1;
}
quicktime_set_position(file, 0);
do
{
result = quicktime_atom_read_header(file, &leaf_atom);
if(!result)
{
if(quicktime_atom_is(&leaf_atom, "mdat")) {
quicktime_read_mdat(file, &(file->mdat), &leaf_atom);
} else if(quicktime_atom_is(&leaf_atom, "moov")) {
quicktime_read_moov(file, &(file->moov), &leaf_atom);
found_moov = 1;
} else {
quicktime_atom_skip(file, &leaf_atom);
}
}
}while(!result && quicktime_position(file) < file->total_length);
/* go back to the original position */
quicktime_set_position(file, start_position);
if(found_moov) {
/* get tables for all the different tracks */
file->total_atracks = quicktime_audio_tracks(file);
file->atracks = (quicktime_audio_map_t*)calloc(1,
sizeof(quicktime_audio_map_t) * file->total_atracks);
for(i = 0, track = 0; i < file->total_atracks; i++) {
while(!file->moov.trak[track]->mdia.minf.is_audio)
track++;
quicktime_init_audio_map(&(file->atracks[i]), file->moov.trak[track]);
}
file->total_vtracks = quicktime_video_tracks(file);
file->vtracks = (quicktime_video_map_t*)calloc(1, sizeof(quicktime_video_map_t) * file->total_vtracks);
for(track = 0, i = 0; i < file->total_vtracks; i++)
{
while(!file->moov.trak[track]->mdia.minf.is_video)
track++;
quicktime_init_video_map(&(file->vtracks[i]), file->moov.trak[track]);
}
/* for all tracks */
for (track = 0; track < file->moov.total_tracks; track++) {
/* check if it's a hint track */
if (!file->moov.trak[track]->mdia.minf.is_hint) {
continue;
}
/* it is, so for each reference */
for (j = 0; j < file->moov.trak[track]->tref.hint.numTracks; j++) {
/* get the reference track id */
long refTrackId = file->moov.trak[track]->tref.hint.trackIds[j];
/* check each audio track */
for(k = 0; k < file->total_atracks; k++) {
if (file->atracks[k].track->tkhd.track_id == refTrackId) {
int m = file->atracks[k].totalHintTracks++;
file->atracks[k].hintTracks[m] = file->moov.trak[track];
file->atracks[k].hintPositions[m] = 0;
file->moov.trak[track]->tref.hint.traks[j] =
file->atracks[k].track;
file->total_hint_tracks++;
break;
}
}
/* check each video track */
for(k = 0; k < file->total_vtracks; k++) {
if (file->vtracks[k].track->tkhd.track_id == refTrackId) {
int m = file->vtracks[k].totalHintTracks++;
file->vtracks[k].hintTracks[m] = file->moov.trak[track];
file->vtracks[k].hintPositions[m] = 0;
file->moov.trak[track]->tref.hint.traks[j] =
file->vtracks[k].track;
file->total_hint_tracks++;
break;
}
}
}
}
}
if(found_moov)
return 0;
else
return 1;
}
void quicktime_read_stsd_video(quicktime_t *file,
quicktime_stsd_table_t *table,
quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
int len;
table->version = quicktime_read_int16(file);
table->revision = quicktime_read_int16(file);
quicktime_read_data(file, table->vendor, 4);
table->temporal_quality = quicktime_read_int32(file);
table->spatial_quality = quicktime_read_int32(file);
table->width = quicktime_read_int16(file);
table->height = quicktime_read_int16(file);
table->dpi_horizontal = quicktime_read_fixed32(file);
table->dpi_vertical = quicktime_read_fixed32(file);
table->data_size = quicktime_read_int32(file);
table->frames_per_sample = quicktime_read_int16(file);
len = quicktime_read_char(file);
quicktime_read_data(file, table->compressor_name, 31);
table->depth = quicktime_read_int16(file);
table->ctab_id = quicktime_read_int16(file);
/* The data needed for SVQ3 codec and maybe some others ? */
struct ImageDescription *id;
int stsd_size,fourcc,c,d;
stsd_size = parent_atom->end - parent_atom->start;
table->extradata_size = stsd_size - 4;
id = (struct ImageDescription *) malloc(table->extradata_size); // we do not include size
table->extradata = (char *) id;
memcpy(id->cType, table->format, 4); // Fourcc
id->version = table->version;
id->revisionLevel = table->revision;
memcpy(id->vendor, table->vendor, 4); // I think mplayer screws up on this one, it turns bytes around! :)
id->temporalQuality = table->temporal_quality;
id->spatialQuality = table->spatial_quality;
id->width = table->width;
id->height = table->height;
id->hRes = table->dpi_horizontal;
id->vRes = table->dpi_vertical;
id->dataSize = table->data_size;
id->frameCount = table->frames_per_sample;
id->name[0] = len;
memcpy(&(id->name[1]), table->compressor_name, 31);
id->depth = table->depth;
id->clutID = table->ctab_id;
if (quicktime_position(file) < parent_atom->end)
{
int position = quicktime_position(file); // remember position
int datalen = parent_atom->end - position;
quicktime_read_data(file, ((char*)&id->clutID)+2, datalen);
quicktime_set_position(file, position); // return to previous position so parsing can go on
}
while(quicktime_position(file) < parent_atom->end)
{
quicktime_atom_read_header(file, &leaf_atom);
/*
* printf("quicktime_read_stsd_video 1 %llx %llx %llx %s\n",
* leaf_atom.start, leaf_atom.end, quicktime_position(file),
* leaf_atom.type);
*/
if(quicktime_atom_is(&leaf_atom, "esds"))
{
quicktime_read_esds(file, &leaf_atom, &table->esds);
}
else
if(quicktime_atom_is(&leaf_atom, "avcC"))
{
quicktime_read_avcc(file, &leaf_atom, &table->avcc);
}
else
if(quicktime_atom_is(&leaf_atom, "ctab"))
{
quicktime_read_ctab(file, &(table->ctab));
}
else
if(quicktime_atom_is(&leaf_atom, "gama"))
{
table->gamma = quicktime_read_fixed32(file);
}
else
if(quicktime_atom_is(&leaf_atom, "fiel"))
{
table->fields = quicktime_read_char(file);
table->field_dominance = quicktime_read_char(file);
}
else
quicktime_atom_skip(file, &leaf_atom);
/* if(quicktime_atom_is(&leaf_atom, "mjqt")) */
/* { */
/* quicktime_read_mjqt(file, &(table->mjqt)); */
/* } */
/* else */
/* if(quicktime_atom_is(&leaf_atom, "mjht")) */
/* { */
/* quicktime_read_mjht(file, &(table->mjht)); */
/* } */
/* else */
}
//printf("quicktime_read_stsd_video 2\n");
}
void quicktime_read_riff(quicktime_t *file, quicktime_atom_t *parent_atom)
{
quicktime_riff_t *riff = quicktime_new_riff(file);
quicktime_atom_t leaf_atom;
int result = 0;
int i;
char data[5];
riff->atom = *parent_atom;
// AVI
quicktime_read_data(file, data, 4);
//printf("quicktime_read_riff 1 %llx\n", quicktime_position(file));
// Certain AVI parameters must be copied over to quicktime objects:
// hdrl -> moov
// movi -> mdat
// idx1 -> moov
do
{
result = quicktime_atom_read_header(file, &leaf_atom);
/*
* printf("quicktime_read_riff 1 %llx %llx %c%c%c%c\n",
* leaf_atom.start,
* leaf_atom.size,
* leaf_atom.type[0],
* leaf_atom.type[1],
* leaf_atom.type[2],
* leaf_atom.type[3]);
*/
if(!result)
{
if(quicktime_atom_is(&leaf_atom, "LIST"))
{
data[4] = 0;
result = !quicktime_read_data(file, data, 4);
if(!result)
{
// Got LIST 'hdrl'
if(quicktime_match_32(data, "hdrl"))
{
// No size here.
//printf("quicktime_read_riff 10 %llx\n", quicktime_position(file));
quicktime_read_hdrl(file, &riff->hdrl, &leaf_atom);
//printf("quicktime_read_riff 20 %llx\n", quicktime_position(file));
}
else
// Got LIST 'movi'
if(quicktime_match_32(data, "movi"))
{
//printf("quicktime_read_riff 30 %llx\n", quicktime_position(file));
quicktime_read_movi(file, &leaf_atom, &riff->movi);
//printf("quicktime_read_riff 40 %llx\n", quicktime_position(file));
}
}
// Skip it
quicktime_atom_skip(file, &leaf_atom);
}
else
// Got 'movi'
if(quicktime_atom_is(&leaf_atom, "movi"))
{
quicktime_read_movi(file, &leaf_atom, &riff->movi);
}
else
// Got 'idx1' original index
if(quicktime_atom_is(&leaf_atom, "idx1"))
{
//printf("quicktime_read_riff 50 %llx\n", quicktime_position(file));
// Preload idx1 here
int64_t start_position = quicktime_position(file);
long temp_size = leaf_atom.end - start_position;
unsigned char *temp = malloc(temp_size);
quicktime_set_preload(file,
(temp_size < 0x100000) ? 0x100000 : temp_size);
quicktime_read_data(file, temp, temp_size);
quicktime_set_position(file, start_position);
free(temp);
// Read idx1
quicktime_read_idx1(file, riff, &leaf_atom);
//printf("quicktime_read_riff 60 %llx\n", quicktime_position(file));
}
else
/* Skip it */
{
quicktime_atom_skip(file, &leaf_atom);
}
}
}while(!result && quicktime_position(file) < parent_atom->end);
//printf("quicktime_read_riff 10\n");
}
int quicktime_make_streamable(char *in_path, char *out_path)
{
quicktime_t file, *old_file, new_file;
int moov_exists = 0, mdat_exists = 0, result, atoms = 1;
int64_t mdat_start, mdat_size;
quicktime_atom_t leaf_atom;
int64_t moov_start, moov_end;
int ftyp_exists = 0;
int ftyp_size = 0;
unsigned char *ftyp_data = 0;
quicktime_init(&file);
/* find the moov atom in the old file */
if(!(file.stream = fopen(in_path, "rb")))
{
perror("quicktime_make_streamable");
return 1;
}
file.total_length = quicktime_get_file_length(in_path);
/* get the locations of moov and mdat atoms */
do
{
result = quicktime_atom_read_header(&file, &leaf_atom);
//printf("0x%llx %s\n", quicktime_position(&file), leaf_atom.type);
if(!result)
{
if(quicktime_atom_is(&leaf_atom, "ftyp"))
{
ftyp_exists = 1;
ftyp_data = calloc(1, leaf_atom.size);
ftyp_size = leaf_atom.size;
quicktime_set_position(&file,
quicktime_position(&file) - HEADER_LENGTH);
quicktime_read_data(&file, (char*)ftyp_data, ftyp_size);
}
else
if(quicktime_atom_is(&leaf_atom, "moov"))
{
moov_exists = atoms;
}
else
if(quicktime_atom_is(&leaf_atom, "mdat"))
{
mdat_start = quicktime_position(&file) - HEADER_LENGTH;
mdat_size = leaf_atom.size;
mdat_exists = atoms;
}
quicktime_atom_skip(&file, &leaf_atom);
atoms++;
}
}while(!result && quicktime_position(&file) < file.total_length);
fclose(file.stream);
if(!moov_exists)
{
printf("quicktime_make_streamable: no moov atom\n");
if(ftyp_data) free(ftyp_data);
return 1;
}
if(!mdat_exists)
{
printf("quicktime_make_streamable: no mdat atom\n");
if(ftyp_data) free(ftyp_data);
return 1;
}
/* copy the old file to the new file */
if(moov_exists && mdat_exists)
{
/* moov wasn't the first atom */
if(moov_exists > 1)
{
char *buffer;
int64_t buf_size = 1000000;
result = 0;
/* read the header proper */
if(!(old_file = quicktime_open(in_path, 1, 0)))
{
if(ftyp_data) free(ftyp_data);
return 1;
}
/* open the output file */
if(!(new_file.stream = fopen(out_path, "wb")))
{
perror("quicktime_make_streamable");
result = 1;
}
else
{
/* set up some flags */
new_file.wr = 1;
new_file.rd = 0;
/* Write ftyp header */
if(ftyp_exists)
{
quicktime_write_data(&new_file, (char*)ftyp_data, ftyp_size);
}
/* Write moov once to get final size with our substituted headers */
moov_start = quicktime_position(&new_file);
quicktime_write_moov(&new_file, &(old_file->moov), 0);
moov_end = quicktime_position(&new_file);
printf("make_streamable 0x%llx 0x%llx\n", (long long)moov_end - moov_start, (long long)mdat_start);
quicktime_shift_offsets(&(old_file->moov),
moov_end - moov_start - mdat_start + ftyp_size);
/* Write again with shifted offsets */
quicktime_set_position(&new_file, moov_start);
quicktime_write_moov(&new_file, &(old_file->moov), 0);
quicktime_set_position(old_file, mdat_start);
if(!(buffer = calloc(1, buf_size)))
{
result = 1;
printf("quicktime_make_streamable: out of memory\n");
}
else
{
while(quicktime_position(old_file) < mdat_start + mdat_size && !result)
{
if(quicktime_position(old_file) + buf_size > mdat_start + mdat_size)
buf_size = mdat_start + mdat_size - quicktime_position(old_file);
if(!quicktime_read_data(old_file, buffer, buf_size)) result = 1;
if(!result)
{
if(!quicktime_write_data(&new_file, buffer, buf_size)) result = 1;
}
}
free(buffer);
}
fclose(new_file.stream);
}
quicktime_close(old_file);
}
else
{
printf("quicktime_make_streamable: header already at 0 offset\n");
if(ftyp_data) free(ftyp_data);
return 0;
}
}
if(ftyp_data) free(ftyp_data);
return 0;
}
int quicktime_make_streamable(char *in_path, char *out_path)
{
quicktime_t file, *old_file, new_file;
int moov_exists = 0, mdat_exists = 0, result, atoms = 1;
int64_t mdat_start, mdat_size;
quicktime_atom_t leaf_atom;
int64_t moov_length;
quicktime_init(&file);
/* find the moov atom in the old file */
if(!(file.stream = fopen(in_path, "rb")))
{
perror("quicktime_make_streamable");
return 1;
}
file.total_length = quicktime_get_file_length(in_path);
/* get the locations of moov and mdat atoms */
do
{
/*printf("%x\n", quicktime_position(&file)); */
result = quicktime_atom_read_header(&file, &leaf_atom);
if(!result)
{
if(quicktime_atom_is(&leaf_atom, "moov"))
{
moov_exists = atoms;
moov_length = leaf_atom.size;
}
else
if(quicktime_atom_is(&leaf_atom, "mdat"))
{
mdat_start = quicktime_position(&file) - HEADER_LENGTH;
mdat_size = leaf_atom.size;
mdat_exists = atoms;
}
quicktime_atom_skip(&file, &leaf_atom);
atoms++;
}
}while(!result && quicktime_position(&file) < file.total_length);
fclose(file.stream);
if(!moov_exists)
{
printf("quicktime_make_streamable: no moov atom\n");
return 1;
}
if(!mdat_exists)
{
printf("quicktime_make_streamable: no mdat atom\n");
return 1;
}
/* copy the old file to the new file */
if(moov_exists && mdat_exists)
{
/* moov wasn't the first atom */
if(moov_exists > 1)
{
char *buffer;
int64_t buf_size = 1000000;
result = 0;
/* read the header proper */
if(!(old_file = quicktime_open(in_path, 1, 0)))
{
return 1;
}
quicktime_shift_offsets(&(old_file->moov), moov_length);
/* open the output file */
if(!(new_file.stream = fopen(out_path, "wb")))
{
perror("quicktime_make_streamable");
result = 1;
}
else
{
/* set up some flags */
new_file.wr = 1;
new_file.rd = 0;
quicktime_write_moov(&new_file, &(old_file->moov));
quicktime_set_position(old_file, mdat_start);
if(!(buffer = calloc(1, buf_size)))
{
result = 1;
printf("quicktime_make_streamable: out of memory\n");
}
else
{
while(quicktime_position(old_file) < mdat_start + mdat_size && !result)
{
if(quicktime_position(old_file) + buf_size > mdat_start + mdat_size)
buf_size = mdat_start + mdat_size - quicktime_position(old_file);
if(!quicktime_read_data(old_file, buffer, buf_size)) result = 1;
if(!result)
{
if(!quicktime_write_data(&new_file, buffer, buf_size)) result = 1;
}
}
free(buffer);
}
fclose(new_file.stream);
}
quicktime_close(old_file);
}
else
{
printf("quicktime_make_streamable: header already at 0 offset\n");
return 0;
}
}
return 0;
}
void quicktime_read_stsd_video(quicktime_t *file,
quicktime_stsd_table_t *table,
quicktime_atom_t *parent_atom)
{
quicktime_atom_t leaf_atom;
int len;
table->version = quicktime_read_int16(file);
table->revision = quicktime_read_int16(file);
quicktime_read_data(file, table->vendor, 4);
table->temporal_quality = quicktime_read_int32(file);
table->spatial_quality = quicktime_read_int32(file);
table->width = quicktime_read_int16(file);
table->height = quicktime_read_int16(file);
table->dpi_horizontal = quicktime_read_fixed32(file);
table->dpi_vertical = quicktime_read_fixed32(file);
table->data_size = quicktime_read_int32(file);
table->frames_per_sample = quicktime_read_int16(file);
len = quicktime_read_char(file);
quicktime_read_data(file, table->compressor_name, 31);
table->depth = quicktime_read_int16(file);
table->ctab_id = quicktime_read_int16(file);
while(quicktime_position(file) < parent_atom->end)
{
quicktime_atom_read_header(file, &leaf_atom);
/*
* printf("quicktime_read_stsd_video 1 %llx %llx %llx %s\n",
* leaf_atom.start, leaf_atom.end, quicktime_position(file),
* leaf_atom.type);
*/
if(quicktime_atom_is(&leaf_atom, "esds"))
{
quicktime_read_esds(file, &leaf_atom, &table->esds);
}
else if(quicktime_atom_is(&leaf_atom, "avcC"))
{
quicktime_read_avcc(file, &leaf_atom, &table->avcc);
}
else if(quicktime_atom_is(&leaf_atom, "ctab"))
{
quicktime_read_ctab(file, &(table->ctab));
}
else if(quicktime_atom_is(&leaf_atom, "gama"))
{
table->gamma = quicktime_read_fixed32(file);
}
else if(quicktime_atom_is(&leaf_atom, "fiel"))
{
table->fields = quicktime_read_char(file);
table->field_dominance = quicktime_read_char(file);
}
else
quicktime_atom_skip(file, &leaf_atom);
/* if(quicktime_atom_is(&leaf_atom, "mjqt")) */
/* { */
/* quicktime_read_mjqt(file, &(table->mjqt)); */
/* } */
/* else */
/* if(quicktime_atom_is(&leaf_atom, "mjht")) */
/* { */
/* quicktime_read_mjht(file, &(table->mjht)); */
/* } */
/* else */
}
//printf("quicktime_read_stsd_video 2\n");
}