EXPORT(sqInt) primitiveMPEG3EndOfAudio(void) {
mpeg3_t * file;
sqInt result;
sqInt fileHandle;
sqInt aNumber;
sqInt _return_value;
fileHandle = interpreterProxy->stackValue(1);
aNumber = interpreterProxy->stackIntegerValue(0);
if (interpreterProxy->failed()) {
return null;
}
file = mpeg3tValueOf(fileHandle);
if (file == null) {
if (interpreterProxy->failed()) {
return null;
}
interpreterProxy->popthenPush(3, 0);
return null;
}
if (aNumber < 0) {
interpreterProxy->success(0);
return null;
}
if (aNumber >= (result = mpeg3_total_astreams(file))) {
interpreterProxy->success(0);
if (interpreterProxy->failed()) {
return null;
}
interpreterProxy->popthenPush(3, 0);
return null;
}
result = mpeg3_end_of_audio(file,aNumber);
_return_value = (result? interpreterProxy->trueObject(): interpreterProxy->falseObject());
if (interpreterProxy->failed()) {
return null;
}
interpreterProxy->popthenPush(3, _return_value);
return null;
}
int main(int argc, char *argv[])
{
int error = 0;
int frame_count = -1;
char *row_pointers[3];
int do_audio = 0;
int do_video = 0;
int channels = 0;
long afragment = 65536;
float **audio_output;
int layer = 0;
int astream = 0;
char input_path[1024];
char output_path[1024];
int i;
long current_frame = 0;
long current_sample = 0;
pthread_mutex_init(&mutex, NULL);
signal(SIGINT, trap_interrupt);
input_path[0] = 0;
output_path[0] = 0;
if(argc < 3)
{
printf("Usage: %s [-a] [-v] <mpeg file> <output movie> [frame count]\n", argv[0]);
exit(1);
}
for(i = 1; i < argc; i++)
{
if(!strcmp(argv[i], "-a"))
{
do_audio = 1;
}
else
if(!strcmp(argv[i], "-v"))
{
do_video = 1;
}
else
if(!input_path[0])
{
strcpy(input_path, argv[i]);
}
else
if(!output_path[0])
{
strcpy(output_path, argv[i]);
}
else
frame_count = atol(argv[i]);
}
//printf("main 1\n");
if(!(input = mpeg3_open(input_path, &error)))
{
exit(1);
}
//printf("main 1\n");
if(!(output = quicktime_open(output_path, 0, 1)))
{
exit(1);
}
//printf("main 1\n");
if(do_video)
{
if(!mpeg3_total_vstreams(input))
{
do_video = 0;
}
else
{
quicktime_set_video(output,
1,
mpeg3_video_width(input, layer),
mpeg3_video_height(input, layer),
mpeg3_frame_rate(input, layer),
VIDEO_CODEC);
quicktime_set_jpeg(output, 80, 0);
}
}
//printf("main 1\n");
if(do_audio)
{
if(!mpeg3_total_astreams(input))
{
do_audio = 0;
}
else
{
int i;
channels = mpeg3_audio_channels(input, astream);
quicktime_set_audio(output,
channels,
mpeg3_sample_rate(input, 0),
24,
AUDIO_CODEC);
audio_output = malloc(sizeof(float*) * channels);
for(i = 0; i < channels; i++)
audio_output[i] = malloc(sizeof(float) * afragment);
}
}
//printf("main 1\n");
// quicktime_set_jpeg(output, 100, 0);
// mpeg3_set_mmx(input, 0);
while((!(do_video && mpeg3_end_of_video(input, layer)) ||
!(do_audio && mpeg3_end_of_audio(input, astream))) &&
(current_frame < frame_count || frame_count < 0))
{
//printf("%d %d\n", mpeg3_end_of_video(input, layer), mpeg3_end_of_audio(input, astream));
if(do_audio)
{
if(!mpeg3_end_of_audio(input, astream))
{
int fragment = afragment;
int i, j, k;
i = astream;
k = 0;
for(j = 0; j < mpeg3_audio_channels(input, i); j++, k++)
{
if(j == 0)
mpeg3_read_audio(input,
audio_output[k], /* Pointer to pre-allocated buffer of floats */
0, /* Pointer to pre-allocated buffer of int16's */
j, /* Channel to decode */
fragment, /* Number of samples to decode */
i);
else
mpeg3_reread_audio(input,
audio_output[k], /* Pointer to pre-allocated buffer of floats */
0, /* Pointer to pre-allocated buffer of int16's */
j, /* Channel to decode */
fragment, /* Number of samples to decode */
i);
}
quicktime_encode_audio(output,
0,
audio_output,
fragment);
current_sample += fragment;
if(!do_video)
{
printf(" %d samples written\r", current_sample);
fflush(stdout);
}
}
else
current_sample += afragment;
}
if(do_video)
{
if(!mpeg3_end_of_video(input, layer))
{
int fragment;
if(do_audio)
fragment = (long)((double)current_sample /
mpeg3_sample_rate(input, 0) *
mpeg3_frame_rate(input, layer) -
current_frame);
else
fragment = 1;
for(i = 0; i < fragment && !mpeg3_end_of_video(input, layer); i++)
{
mpeg3_read_yuvframe_ptr(input,
&row_pointers[0],
&row_pointers[1],
&row_pointers[2],
layer);
switch(mpeg3_colormodel(input, layer))
{
case MPEG3_YUV420P:
quicktime_set_cmodel(output, BC_YUV420P);
break;
case MPEG3_YUV422P:
quicktime_set_cmodel(output, BC_YUV422P);
break;
}
quicktime_encode_video(output,
(unsigned char **)row_pointers,
0);
current_frame++;
printf(" %d frames written\r", current_frame);
fflush(stdout);
}
}
}
}
printf("main 2\n");
printf("\n");
quicktime_close(output);
mpeg3_close(input);
}