} MPADecodeContext;
int l2_select_table(int bitrate, int nb_channels, int freq, int lsf);
-int mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate);
+int ff_mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate);
void ff_mpa_synth_init(MPA_INT *window);
void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
/* useful helper to get mpeg audio stream infos. Return -1 if error in
header, otherwise the coded frame size in bytes */
-int mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate)
+int ff_mpa_decode_header(AVCodecContext *avctx, uint32_t head, int *sample_rate)
{
MPADecodeContext s1, *s = &s1;
s1.avctx = avctx;
if (ff_mpa_check_header(head) != 0)
return -1;
- if (decode_header(s, head) != 0) {
+ if (ff_mpegaudio_decode_header(s, head) != 0) {
return -1;
}
header = (s->inbuf[0] << 24) | (s->inbuf[1] << 16) |
(s->inbuf[2] << 8) | s->inbuf[3];
- ret = mpa_decode_header(avctx, header, &sr);
+ ret = ff_mpa_decode_header(avctx, header, &sr);
if (ret < 0) {
s->header_count= -2;
/* no sync found : move by one byte (inefficient, but simple!) */
#if 0
/* free format: prepare to compute frame size */
- if (decode_header(s, header) == 1) {
+ if (ff_mpegaudio_decode_header(s, header) == 1) {
s->frame_size = -1;
}
#endif
s->free_format_frame_size -= padding;
dprintf(avctx, "free frame size=%d padding=%d\n",
s->free_format_frame_size, padding);
- decode_header(s, header1);
+ ff_mpegaudio_decode_header(s, header1);
goto next_data;
}
p++;
goto retry;
}
- if (decode_header(s, header) == 1) {
+ if (ff_mpegaudio_decode_header(s, header) == 1) {
/* free format: prepare to compute frame size */
s->frame_size = -1;
return -1;
return buf_size;
}
- decode_header(s, header);
+ ff_mpegaudio_decode_header(s, header);
/* update codec info */
avctx->sample_rate = s->sample_rate;
avctx->channels = s->nb_channels;
return buf_size;
}
- decode_header(m, header);
+ ff_mpegaudio_decode_header(m, header);
mp_decode_frame(m, decoded_buf, start, fsize);
n = MPA_FRAME_SIZE * m->nb_channels;
#include "mpegaudiodata.h"
-int decode_header(MPADecodeContext *s, uint32_t header)
+int ff_mpegaudio_decode_header(MPADecodeContext *s, uint32_t header)
{
int sample_rate, frame_size, mpeg25, padding;
int sample_rate_index, bitrate_index;
/* header decoding. MUST check the header before because no
consistency check is done there. Return 1 if free format found and
that the frame size must be computed externally */
-int decode_header(MPADecodeContext *s, uint32_t header);
+int ff_mpegaudio_decode_header(MPADecodeContext *s, uint32_t header);
#endif /* MPEGAUDIODECHEADER_H */
for(frames = 0; buf2 < end; frames++) {
header = (buf2[0] << 24) | (buf2[1] << 16) | (buf2[2] << 8) | buf2[3];
- fsize = mpa_decode_header(&avctx, header, &sample_rate);
+ fsize = ff_mpa_decode_header(&avctx, header, &sample_rate);
if(fsize < 0)
break;
buf2 += fsize;