36 #define MPA_HEADER_SIZE 4
39 #define SAME_HEADER_MASK \
40 (0xffe00000 | (3 << 17) | (3 << 10) | (3 << 19))
44 const uint8_t **poutbuf,
int *poutbuf_size,
45 const uint8_t *buf,
int buf_size)
53 for(i=0; i<buf_size; ){
67 state= (state<<8) + buf[i++];
103 *poutbuf_size = buf_size;
int duration
Duration of the current frame.
static int mpegaudio_parse(AVCodecParserContext *s1, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
static const uint8_t frame_size[4]
int ff_combine_frame(ParseContext *pc, int next, const uint8_t **buf, int *buf_size)
Combine the (truncated) bitstream to a complete frame.
preferred ID for decoding MPEG audio layer 1, 2 or 3
void ff_parse_close(AVCodecParserContext *s)
int bit_rate
the average bitrate
int sample_rate
samples per second
main external API structure.
uint32_t state
contains the last few bytes in MSB order
AVCodecParser ff_mpegaudio_parser
struct MpegAudioParseContext MpegAudioParseContext
common internal and external API header
int channels
number of audio channels