// Determine of the compressed frame is a keyframe for direct copy
int quicktime_mpeg4_is_key(unsigned char *data, long size, char *codec_id)
{
int result = 0;
int i;
if(quicktime_match_32(codec_id, QUICKTIME_DIVX) ||
quicktime_match_32(codec_id, QUICKTIME_MP4V) ||
quicktime_match_32(codec_id, QUICKTIME_HV60))
{
for(i = 0; i < size - 5; i++)
{
if( data[i] == 0x00 &&
data[i + 1] == 0x00 &&
data[i + 2] == 0x01 &&
data[i + 3] == 0xb6)
{
if((data[i + 4] & 0xc0) == 0x0)
return 1;
else
return 0;
}
}
}
return result;
}
static void init_codec_common(quicktime_video_map_t *vtrack, char *compressor)
{
quicktime_codec_t *codec_base = (quicktime_codec_t*)vtrack->codec;
quicktime_jpeg_codec_t *codec;
codec = codec_base->priv = calloc(1, sizeof(quicktime_jpeg_codec_t));
if(quicktime_match_32(compressor, QUICKTIME_JPEG))
codec->jpeg_type = JPEG_PROGRESSIVE;
if(quicktime_match_32(compressor, QUICKTIME_MJPA))
codec->jpeg_type = JPEG_MJPA;
codec->quality = 80;
codec->use_float = 0;
/* Init public items */
codec_base->delete_vcodec = delete_codec;
codec_base->decode_video = decode;
codec_base->encode_video = encode;
codec_base->decode_audio = 0;
codec_base->encode_audio = 0;
codec_base->reads_colormodel = reads_colormodel;
codec_base->writes_colormodel = writes_colormodel;
codec_base->set_parameter = set_parameter;
codec_base->fourcc = compressor;
codec_base->title = (codec->jpeg_type == JPEG_PROGRESSIVE ? "JPEG Photo" : "Motion JPEG A");
codec_base->desc = codec_base->title;
}
int quicktime_set_audio(quicktime_t *file,
int channels,
long sample_rate,
int bits,
char *compressor)
{
quicktime_trak_t *trak;
/* allocate an arbitrary number of tracks */
if(channels)
{
/* Fake the bits parameter for some formats. */
if(quicktime_match_32(compressor, QUICKTIME_ULAW) ||
quicktime_match_32(compressor, QUICKTIME_IMA4)) bits = 16;
file->atracks = (quicktime_audio_map_t*)calloc(1, sizeof(quicktime_audio_map_t));
trak = quicktime_add_track(file);
quicktime_trak_init_audio(file,
trak,
channels,
sample_rate,
bits,
compressor);
quicktime_init_audio_map(&(file->atracks[0]), trak);
file->atracks[file->total_atracks].track = trak;
file->atracks[file->total_atracks].channels = channels;
file->atracks[file->total_atracks].current_position = 0;
file->atracks[file->total_atracks].current_chunk = 1;
file->total_atracks++;
}
return 1; /* Return the number of tracks created */
}
int quicktime_codec_to_id(char *codec)
{
if(quicktime_match_32(codec, QUICKTIME_MP3))
return 0x55;
else
if(quicktime_match_32(codec, QUICKTIME_WMA))
return 0x161;
else
printf("quicktime_codec_to_id: unknown codec %c%c%c%c\n", codec[0], codec[1], codec[2], codec[3]);
}
int64_t quicktime_samples_to_bytes(quicktime_trak_t *track, long samples)
{
char *compressor = track->mdia.minf.stbl.stsd.table[0].format;
int channels = track->mdia.minf.stbl.stsd.table[0].channels;
if(quicktime_match_32(compressor, QUICKTIME_IMA4))
return samples * channels;
if(quicktime_match_32(compressor, QUICKTIME_ULAW))
return samples * channels;
/* Default use the sample size specification for TWOS and RAW */
return samples * channels * track->mdia.minf.stbl.stsd.table[0].sample_size / 8;
}
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);
}
char* quicktime_acodec_title(char *fourcc)
{
int i;
char *result = 0;
quicktime_audio_map_t *atrack =
(quicktime_audio_map_t*)calloc(1, sizeof(quicktime_audio_map_t));
quicktime_codec_t *codec_base =
atrack->codec =
(quicktime_codec_t*)calloc(1, sizeof(quicktime_codec_t));
int done = 0;
if(!total_acodecs) register_acodecs();
for(i = 0; i < total_acodecs && !done; i++)
{
//printf("quicktime_acodec_title 1\n");
quicktime_codectable_t *table = &acodecs[i];
//printf("quicktime_acodec_title 2\n");
table->init_acodec(atrack);
//printf("quicktime_acodec_title 3\n");
if(quicktime_match_32(fourcc, codec_base->fourcc))
{
result = codec_base->title;
done = 1;
}
//printf("quicktime_acodec_title 4\n");
codec_base->delete_acodec(atrack);
//printf("quicktime_acodec_title 5\n");
}
free(codec_base);
free(atrack);
if(!result)
return fourcc;
else
return result;
}
int quicktime_find_acodec(quicktime_audio_map_t *atrack)
{
int i;
char *compressor = atrack->track->mdia.minf.stbl.stsd.table[0].format;
int compression_id = atrack->track->mdia.minf.stbl.stsd.table[0].compression_id;
quicktime_codec_t *codec_base = (quicktime_codec_t*)atrack->codec;
int32_t compressor_int = *(int32_t*)compressor;
if(!total_acodecs) register_acodecs();
for(i = 0; i < total_acodecs; i++)
{
quicktime_codectable_t *table = &acodecs[i];
table->init_acodec(atrack);
// For writing and reading Quicktime
if(quicktime_match_32(compressor, codec_base->fourcc))
return 0;
else
// For reading AVI, sometimes the fourcc is 0 and the compression_id is used instead.
// Sometimes the compression_id is the fourcc.
if((compressor[0] == 0 || compressor_int == codec_base->wav_id) &&
codec_base->wav_id == compression_id)
return 0;
else
{
codec_base->delete_acodec(atrack);
codec_base->priv = 0;
}
}
return -1;
}
int quicktime_set_audio(quicktime_t *file,
int channels,
long sample_rate,
int bits,
int sample_size,
int time_scale,
int sample_duration,
char *compressor)
{
int i, j;
quicktime_trak_t *trak;
/* delete any existing tracks */
for(i = 0; i < file->total_atracks; i++) {
for (j = 0; j < file->atracks[i].totalHintTracks; j++) {
quicktime_delete_trak(&(file->moov),
file->atracks[i].hintTracks[j]);
free(file->atracks[i].hintTracks[j]);
file->atracks[i].hintTracks[j] = NULL;
file->total_hint_tracks--;
}
quicktime_delete_audio_map(&(file->atracks[i]));
quicktime_delete_trak(&(file->moov), file->atracks[i].track);
}
free(file->atracks);
file->atracks = NULL;
file->total_atracks = 0;
if(channels) {
/* Fake the bits parameter for some formats. */
if(quicktime_match_32(compressor, QUICKTIME_ULAW) ||
quicktime_match_32(compressor, QUICKTIME_IMA4)) bits = 16;
file->atracks = (quicktime_audio_map_t*)
calloc(1, sizeof(quicktime_audio_map_t));
trak = quicktime_add_track(&(file->moov));
quicktime_trak_init_audio(file, trak, channels, sample_rate, bits,
sample_size, time_scale, sample_duration, compressor);
quicktime_init_audio_map(&(file->atracks[0]), trak);
file->atracks[file->total_atracks].track = trak;
file->atracks[file->total_atracks].channels = channels;
file->atracks[file->total_atracks].current_position = 0;
file->atracks[file->total_atracks].current_chunk = 1;
file->total_atracks++;
}
return 1; /* Return the number of tracks created */
}
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;
}
void quicktime_set_jpeg(quicktime_t *file, int quality, int use_float)
{
int i;
printf("1\n");
for(i = 0; i < file->total_vtracks; i++)
{
if(quicktime_match_32(quicktime_video_compressor(file, i), QUICKTIME_JPEG) ||
quicktime_match_32(quicktime_video_compressor(file, i), QUICKTIME_MJPA) ||
quicktime_match_32(quicktime_video_compressor(file, i), QUICKTIME_RTJ0))
{
quicktime_jpeg_codec_t *codec = ((quicktime_codec_t*)file->vtracks[i].codec)->priv;
codec->quality = quality;
codec->use_float = use_float;
}
}
printf("10\n");
}
char* quicktime_vcodec_title(char *fourcc)
{
int i;
char *result = 0;
quicktime_video_map_t *vtrack =
(quicktime_video_map_t*)calloc(1, sizeof(quicktime_video_map_t));
quicktime_codec_t *codec_base =
vtrack->codec =
(quicktime_codec_t*)calloc(1, sizeof(quicktime_codec_t));
int done = 0;
if(!total_vcodecs) register_vcodecs();
for(i = 0; i < total_vcodecs && !done; i++)
{
quicktime_codectable_t *table = &vcodecs[i];
table->init_vcodec(vtrack);
if(quicktime_match_32(fourcc, codec_base->fourcc))
{
result = codec_base->title;
done = 1;
}
codec_base->delete_vcodec(vtrack);
}
free(codec_base);
free(vtrack);
if(!result)
return fourcc;
else
return result;
}
int quicktime_find_vcodec(quicktime_video_map_t *vtrack)
{
int i;
char *compressor = vtrack->track->mdia.minf.stbl.stsd.table[0].format;
quicktime_codec_t *codec_base = (quicktime_codec_t*)vtrack->codec;
if(!total_vcodecs) register_vcodecs();
for(i = 0; i < total_vcodecs; i++)
{
quicktime_codectable_t *table = &vcodecs[i];
table->init_vcodec(vtrack);
if(quicktime_match_32(compressor, codec_base->fourcc))
{
return 0;
}
else
{
codec_base->delete_vcodec(vtrack);
codec_base->priv = 0;
}
}
return -1;
}
int quicktime_atom_read_header(quicktime_t *file, quicktime_atom_t *atom)
{
int result = 0;
char header[10];
if(file->use_avi)
{
reset(atom);
atom->start = quicktime_position(file);
if(!quicktime_read_data(file, header, HEADER_LENGTH)) return 1;
atom->type[0] = header[0];
atom->type[1] = header[1];
atom->type[2] = header[2];
atom->type[3] = header[3];
atom->type[4] = 0;
atom->size =
(((unsigned char)header[4]) ) |
(((unsigned char)header[5]) << 8 ) |
(((unsigned char)header[6]) << 16) |
(((unsigned char)header[7]) << 24);
atom->end = quicktime_add3(atom->start, atom->size, 8);
}
else
{
int64_t size2;
reset(atom);
atom->start = quicktime_position(file);
if(!quicktime_read_data(file, header, HEADER_LENGTH)) return 1;
result = read_type(header, atom->type);
atom->size = read_size(header);
atom->end = atom->start + atom->size;
/*
* printf("quicktime_atom_read_header 1 %c%c%c%c start %llx size %llx end %llx ftell %llx %llx\n",
* atom->type[0], atom->type[1], atom->type[2], atom->type[3],
* atom->start, atom->size, atom->end,
* file->file_position,
* (int64_t)FTELL(file->stream));
*/
/* Skip placeholder atom */
if(quicktime_match_32(atom->type, "wide"))
{
atom->start = quicktime_position(file);
reset(atom);
if(!quicktime_read_data(file, header, HEADER_LENGTH)) return 1;
result = read_type(header, atom->type);
atom->size -= 8;
if(atom->size <= 0)
{
/* Wrapper ended. Get new atom size */
atom->size = read_size(header);
}
atom->end = atom->start + atom->size;
}
else
/* Get extended size */
if(atom->size == 1)
{
if(!quicktime_read_data(file, header, HEADER_LENGTH)) return 1;
atom->size = read_size64(header);
atom->end = atom->start + atom->size;
/*
* printf("quicktime_atom_read_header 2 %c%c%c%c start %llx size %llx end %llx ftell %llx\n",
* atom->type[0], atom->type[1], atom->type[2], atom->type[3],
* atom->start, atom->size, atom->end,
* file->file_position);
*/
}
}
return result;
}
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;
}
int main(int argc, char *argv[])
{
quicktime_t *file;
FILE *output;
int result = 0;
int i, j;
int64_t length;
char string[1024], *prefix = 0, *input = 0;
char *data = 0;
int bytes = 0, old_bytes = 0;
float output_rate = 0;
float input_rate;
int64_t input_frame;
int64_t new_length;
int width, height;
int rgb_to_ppm = 0;
if(argc < 3)
{
usage();
}
for(i = 1, j = 0; i < argc; i++)
{
if(!strcmp(argv[i], "-f"))
{
if(i + 1 < argc)
{
output_rate = atof(argv[++i]);
}
else
usage();
}
else
if(j == 0)
{
input = argv[i];
j++;
}
else
if(j == 1)
{
prefix = argv[i];
j++;
}
}
if(!prefix || !input) usage();
if(!(file = quicktime_open(input, 1, 0)))
{
printf("Open failed\n");
exit(1);
}
if(!quicktime_video_tracks(file))
{
printf("No video tracks.\n");
exit(1);
}
if(quicktime_match_32(quicktime_video_compressor(file, 0), QUICKTIME_RAW))
{
printf("Converting to ppm.\n");
rgb_to_ppm = 1;
}
length = quicktime_video_length(file, 0);
input_rate = quicktime_frame_rate(file, 0);
if(!output_rate) output_rate = input_rate;
new_length = output_rate / input_rate * length;
width = quicktime_video_width(file, 0);
height = quicktime_video_height(file, 0);
for(i = 0; i < new_length; i++)
{
/* Get output file */
sprintf(string, "%s%06d", prefix, i);
if(!(output = fopen(string, "wb")))
{
perror("Open failed");
exit(1);
}
/* Get input frame */
input_frame = (int64_t)(input_rate / output_rate * i);
bytes = quicktime_frame_size(file, input_frame, 0);
if(data)
{
if(bytes > old_bytes) { free(data); data = 0; }
}
if(!data)
{
old_bytes = bytes;
data = malloc(bytes);
}
quicktime_set_video_position(file, input_frame, 0);
quicktime_read_data(file, data, bytes);
if(rgb_to_ppm)
{
fprintf(output, "P6\n%d %d\n%d\n", width, height, 0xff);
}
if(!fwrite(data, bytes, 1, output))
{
perror("write failed");
}
fclose(output);
}
quicktime_close(file);
}
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");
}