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 decode_mov(decode_t *decode)
{
quicktime_t *qt_handle=NULL;
unsigned char **p_raw_buffer;
char *p_v_codec=NULL,*p_a_codec=NULL,*p_buffer=NULL,*p_tmp=NULL;
int s_width=0,s_height=0,s_channel=0,s_bits=0,s_buff_size=0,s_audio_size=0,s_video_size=0,s_sample=0;
int s_cont,s_frames;
double s_fps=0;
long s_audio_rate,s_qt_pos;
uint16_t *p_mask1, *p_mask2;
char msgbuf[TC_BUF_MIN];
qt_handle = quicktime_open((char * )decode->name, 1, 0);
if (qt_handle == NULL) {
QT_ABORT("can't open quicktime!");
}
quicktime_set_preload(qt_handle, 10240000);
s_fps = quicktime_frame_rate(qt_handle, 0);
if (decode->format == TC_CODEC_PCM) {
if (quicktime_audio_tracks(qt_handle) == 0) {
QT_ABORT("no audio track in quicktime found!");
}
s_channel = quicktime_track_channels(qt_handle, 0);
s_audio_rate = quicktime_sample_rate(qt_handle, 0);
s_bits = quicktime_audio_bits(qt_handle, 0);
s_audio_size = quicktime_audio_length(qt_handle,0);
p_a_codec = quicktime_audio_compressor(qt_handle, 0);
if (decode->frame_limit[1] < s_audio_size) {
s_audio_size = decode->frame_limit[1] - decode->frame_limit[0];
} else {
s_audio_size -= decode->frame_limit[0];
}
if (decode->verbose) {
tc_log_info(__FILE__, "Audio codec=%s, rate=%ld Hz, bits=%d, channels=%d",
p_a_codec, s_audio_rate, s_bits, s_channel);
}
if ((s_bits != 8) && (s_bits != 16)) {
tc_snprintf(msgbuf, sizeof(msgbuf), "unsupported %d bit rate"
" in quicktime!", s_bits);
QT_ABORT(msgbuf);
}
if (s_channel > 2) {
tc_snprintf(msgbuf, sizeof(msgbuf), "too many audio tracks "
"(%d) found in quicktime!", s_channel);
QT_ABORT(msgbuf);
}
if (strlen(p_a_codec) == 0) {
QT_ABORT("unsupported codec (empty!) in quicktime!");
}
if (quicktime_supported_audio(qt_handle, 0) != 0) {
s_qt_pos = quicktime_audio_position(qt_handle,0);
s_sample = (1.00 * s_channel * s_bits *s_audio_rate)/(s_fps * 8);
s_buff_size = s_sample * sizeof(uint16_t);
p_buffer = tc_malloc(s_buff_size);
if (s_bits == 16)
s_sample /= 2;
if (s_channel == 1) {
p_mask1=(uint16_t *)p_buffer;
quicktime_set_audio_position(qt_handle, s_qt_pos + decode->frame_limit[0], 0);
for (; s_audio_size > 0; s_audio_size -= s_sample) {
if (quicktime_decode_audio(qt_handle, p_mask1, NULL, s_sample, 0) < 0) {
QT_ABORT("error reading quicktime audio frame");
}
QT_WRITE(decode->fd_out, p_buffer, s_buff_size);
}
} else {
s_sample /= 2;
p_mask1 = (uint16_t *)p_buffer;
p_mask2 = tc_malloc(s_sample * sizeof(uint16_t));
s_qt_pos += decode->frame_limit[0];
quicktime_set_audio_position(qt_handle, s_qt_pos, 0);
for (; s_audio_size > 0; s_audio_size -= s_sample) {
if (quicktime_decode_audio(qt_handle, p_mask1, NULL, s_sample, 0) < 0) {
QT_ABORT("error reading quicktime audio frame");
}
quicktime_set_audio_position(qt_handle, s_qt_pos, 0);
if (quicktime_decode_audio(qt_handle,p_mask2, NULL,s_sample, 1) < 0) {
QT_ABORT("error reading quicktime audio frame");
}
for (s_cont = s_sample - 1; s_cont >= 0; s_cont--)
p_mask1[s_cont<<1] = p_mask1[s_cont];
for (s_cont = 0; s_cont < s_sample; s_cont++)
p_mask1[1+(s_cont<<1)] = p_mask2[s_cont];
s_qt_pos += s_sample;
QT_WRITE(decode->fd_out, p_buffer, s_buff_size >> 1);
}
free(p_mask2);
}
free(p_buffer);
}
#if !defined(LIBQUICKTIME_000904)
else if ((strcasecmp(p_a_codec, QUICKTIME_RAW) == 0)
void probe_mov(info_t *ipipe)
{
quicktime_t *qt_file=NULL;
char *codec=NULL;
int j, tracks;
/* open movie for video probe */
if(qt_file==NULL)
if(NULL == (qt_file = quicktime_open((char *)ipipe->name,1,0))){
tc_log_error(__FILE__,"can't open quicktime!");
ipipe->error=1;
return;
}
// extract audio parameters
tracks=quicktime_audio_tracks(qt_file);
if(tracks>TC_MAX_AUD_TRACKS) {
tc_log_warn(__FILE__, "only %d of %d audio tracks scanned",
TC_MAX_AUD_TRACKS, tracks);
tracks=TC_MAX_AUD_TRACKS;
}
for(j=0; j<tracks; ++j) {
ipipe->probe_info->track[j].samplerate = quicktime_sample_rate(qt_file, j);
ipipe->probe_info->track[j].chan = quicktime_track_channels(qt_file, j);
ipipe->probe_info->track[j].bits = quicktime_audio_bits(qt_file, j);
codec = quicktime_audio_compressor(qt_file, j);
if(strcasecmp(codec,QUICKTIME_RAW)==0 || strcasecmp(codec,QUICKTIME_TWOS)==0)
ipipe->probe_info->track[j].format = CODEC_PCM;
else if(strcasecmp(codec,QUICKTIME_IMA4)==0)
ipipe->probe_info->track[j].format = CODEC_IMA4;
else
/* XXX not right but works */
ipipe->probe_info->track[j].format = CODEC_PCM;
if (! binary_dump)
tc_log_info(__FILE__, "audio codec=%s", codec);
if(ipipe->probe_info->track[j].chan>0) ++ipipe->probe_info->num_tracks;
}
// read all video parameter from input file
ipipe->probe_info->width = quicktime_video_width(qt_file, 0);
ipipe->probe_info->height = quicktime_video_height(qt_file, 0);
ipipe->probe_info->fps = quicktime_frame_rate(qt_file, 0);
ipipe->probe_info->frames = quicktime_video_length(qt_file, 0);
codec = quicktime_video_compressor(qt_file, 0);
//check for supported codecs
if(codec!=NULL) {
if(strlen(codec)==0) {
ipipe->probe_info->codec=TC_CODEC_RGB;
} else {
if(strcasecmp(codec,QUICKTIME_DV)==0)
ipipe->probe_info->codec=TC_CODEC_DV;
if(strcasecmp(codec,"dvsd")==0)
ipipe->probe_info->codec=TC_CODEC_DV;
if(strcasecmp(codec,"DIV3")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX3;
if(strcasecmp(codec,"DIVX")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX4;
if(strcasecmp(codec,"DX50")==0)
ipipe->probe_info->codec=TC_CODEC_DIVX5;
if(strcasecmp(codec,"MJPG")==0 || strcasecmp(codec,"JPEG")==0)
ipipe->probe_info->codec=TC_CODEC_MJPEG;
if(strcasecmp(codec,"YUV2")==0)
ipipe->probe_info->codec=TC_CODEC_YUV2;
if(strcasecmp(codec,"SVQ1")==0)
ipipe->probe_info->codec=TC_CODEC_SVQ1;
if(strcasecmp(codec,"SVQ3")==0)
ipipe->probe_info->codec=TC_CODEC_SVQ3;
}
} else
ipipe->probe_info->codec=TC_CODEC_UNKNOWN;
if (! binary_dump)
tc_log_info(__FILE__, "video codec=%s", codec);
ipipe->probe_info->magic=TC_MAGIC_MOV;
tc_frc_code_from_value(&(ipipe->probe_info->frc),
ipipe->probe_info->fps);
return;
}
