/* return 1 on success, 0 on failure */
int play_frame(void)
{
unsigned char *audio;
int mc;
size_t bytes;
debug("play_frame");
/* The first call will not decode anything but return MPG123_NEW_FORMAT! */
mc = mpg123_decode_frame(mh, &framenum, &audio, &bytes);
/* Play what is there to play (starting with second decode_frame call!) */
if(bytes)
{
if(param.frame_number > -1) --frames_left;
if(fresh && framenum >= param.start_frame)
{
fresh = FALSE;
}
/* Normal flushing of data, includes buffer decoding. */
if(flush_output(ao, audio, bytes) < (int)bytes && !intflag)
{
error("Deep trouble! Cannot flush to my output anymore!");
safe_exit(133);
}
if(param.checkrange)
{
long clip = mpg123_clip(mh);
if(clip > 0) fprintf(stderr,"%ld samples clipped\n", clip);
}
}
/* Special actions and errors. */
if(mc != MPG123_OK)
{
if(mc == MPG123_ERR || mc == MPG123_DONE)
{
if(mc == MPG123_ERR) error1("...in decoding next frame: %s", mpg123_strerror(mh));
return 0;
}
if(mc == MPG123_NO_SPACE)
{
error("I have not enough output space? I didn't plan for this.");
return 0;
}
if(mc == MPG123_NEW_FORMAT)
{
long rate;
int channels, format;
mpg123_getformat(mh, &rate, &channels, &format);
if(param.verbose > 2) fprintf(stderr, "\nNote: New output format %liHz %ich, format %i\n", rate, channels, format);
if(!param.quiet)
{
fprintf(stderr, "\n");
if(param.verbose) print_header(mh);
else print_header_compact(mh);
}
reset_audio(rate, channels, format);
}
}
return 1;
}
int Asset::init_values()
{
path[0] = 0;
// format = FILE_MOV;
// Has to be unknown for file probing to succeed
format = FILE_UNKNOWN;
fformat[0] = 0;
bits = 0;
byte_order = 0;
signed_ = 0;
header = 0;
dither = 0;
reset_audio();
reset_video();
strcpy(vcodec, QUICKTIME_YUV2);
strcpy(acodec, QUICKTIME_TWOS);
ff_audio_options[0] = 0;
ff_video_options[0] = 0;
ff_audio_bitrate = 0;
ff_video_bitrate = 0;
ff_video_quality = 0;
jpeg_quality = 100;
aspect_ratio = -1;
ampeg_bitrate = 256;
ampeg_derivative = 3;
vorbis_vbr = 0;
vorbis_min_bitrate = -1;
vorbis_bitrate = 128000;
vorbis_max_bitrate = -1;
theora_fix_bitrate = 1;
theora_bitrate = 860000;
theora_quality = 16;
theora_sharpness = 2;
theora_keyframe_frequency = 64;
theora_keyframe_force_frequency = 64;
mp3_bitrate = 256000;
mp4a_bitrate = 256000;
mp4a_quantqual = 100;
// mpeg parameters
vmpeg_iframe_distance = 45;
vmpeg_pframe_distance = 0;
vmpeg_progressive = 0;
vmpeg_denoise = 1;
vmpeg_bitrate = 1000000;
vmpeg_derivative = 1;
vmpeg_quantization = 15;
vmpeg_cmodel = BC_YUV420P;
vmpeg_fix_bitrate = 0;
vmpeg_seq_codes = 0;
vmpeg_preset = 0;
vmpeg_field_order = 0;
// Divx parameters. BC_Hash from encore2
divx_bitrate = 2000000;
divx_rc_period = 50;
divx_rc_reaction_ratio = 45;
divx_rc_reaction_period = 10;
divx_max_key_interval = 250;
divx_max_quantizer = 31;
divx_min_quantizer = 1;
divx_quantizer = 5;
divx_quality = 5;
divx_fix_bitrate = 1;
divx_use_deblocking = 1;
h264_bitrate = 2000000;
h264_quantizer = 5;
h264_fix_bitrate = 0;
ms_bitrate = 1000000;
ms_bitrate_tolerance = 500000;
ms_quantization = 10;
ms_interlaced = 0;
ms_gop_size = 45;
ms_fix_bitrate = 1;
ac3_bitrate = 128;
png_use_alpha = 0;
exr_use_alpha = 0;
exr_compression = 0;
tiff_cmodel = 0;
tiff_compression = 0;
use_header = 1;
id = EDL::next_id();
return 0;
}
