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MPEG.xs  view on Meta::CPAN

					err++;
				break;
				}
			}
		}
		if (MAD_RECOVERABLE(stream->error))
			err = 0;
		if (!err) {
			THIS->current_frame++;
			THIS->accum_bitrate += header->bitrate / 1000;
			mad_timer_add(&THIS->total_duration, header->duration);
		}
		XSRETURN_YES;

#
# Create PCM stream (in mad_fixed_t type) from decoded frame
#

void
synth_frame(THIS)
		Audio_MPEG_Decode THIS

MPEG.xs  view on Meta::CPAN

		Audio_MPEG_Decode THIS
	CODE:
		RETVAL = THIS->current_frame;
	OUTPUT:
		RETVAL

double
frame_duration(THIS)
		Audio_MPEG_Decode THIS
	CODE:
		RETVAL = (double)mad_timer_count(THIS->frame->header.duration, 
			MAD_UNITS_MILLISECONDS) / 1000.0;
	OUTPUT:
		RETVAL

double
total_duration(THIS)
		Audio_MPEG_Decode THIS
	CODE:
		RETVAL = (double)mad_timer_count(THIS->total_duration, 
			MAD_UNITS_MILLISECONDS) / 1000.0;
	OUTPUT:
		RETVAL

unsigned int
bit_rate(THIS)
		Audio_MPEG_Decode THIS
	CODE:
		RETVAL = THIS->frame->header.bitrate / 1000;
	OUTPUT:

decode.h  view on Meta::CPAN

#include "resample.h"

struct audio_mpeg_decode {
	struct mad_stream		*stream;
	struct mad_frame		*frame;
	struct mad_synth		*synth;
	unsigned char			*data_in;
	size_t					data_in_len;
	unsigned int			current_frame;
	unsigned long			accum_bitrate;
	mad_timer_t				total_duration;
};
typedef struct audio_mpeg_decode * Audio_MPEG_Decode;

/* samples that are blank */
#define MP3_DECODE_DELAY		578

void decode_new(Audio_MPEG_Decode);
void decode_DESTROY(Audio_MPEG_Decode);
char const *decode_error_str(enum mad_error);
int decode_buffer(Audio_MPEG_Decode, unsigned char *, size_t);