static block_t *EncodeFrame( encoder_t *p_enc, block_t *p_block )
{
if (!p_block) /* TODO: flush */
return NULL;
encoder_sys_t *p_sys = p_enc->p_sys;
block_t *p_pcm_block;
block_t *p_chain = NULL;
unsigned int i_samples = p_block->i_buffer >> 2 /* s16l stereo */;
mtime_t start_date = p_block->i_pts;
start_date -= (mtime_t)i_samples * (mtime_t)1000000 / (mtime_t)p_enc->fmt_out.audio.i_rate;
VLC_UNUSED(p_enc);
do {
p_pcm_block = GetPCM( p_enc, p_block );
if( !p_pcm_block )
break;
p_block = NULL; /* we don't need it anymore */
int16_t pcm_planar_buf[SHINE_MAX_SAMPLES * 2];
int16_t *pcm_planar_buf_chans[2] = {
&pcm_planar_buf[0],
&pcm_planar_buf[p_sys->samples_per_frame],
};
aout_Deinterleave( pcm_planar_buf, p_pcm_block->p_buffer,
p_sys->samples_per_frame, p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.i_codec);
long written;
unsigned char *buf = shine_encode_buffer(p_sys->s, pcm_planar_buf_chans, &written);
block_Release( p_pcm_block );
if (written <= 0)
break;
block_t *p_mp3_block = block_Alloc( written );
if( !p_mp3_block )
break;
memcpy( p_mp3_block->p_buffer, buf, written );
/* date management */
p_mp3_block->i_length = p_sys->samples_per_frame * 1000000 /
p_enc->fmt_out.audio.i_rate;
start_date += p_mp3_block->i_length;
p_mp3_block->i_dts = p_mp3_block->i_pts = start_date;
p_mp3_block->i_nb_samples = p_sys->samples_per_frame;
block_ChainAppend( &p_chain, p_mp3_block );
} while( p_pcm_block );
return p_chain;
}
static block_t *EncodeFrame( encoder_t *p_enc, aout_buffer_t *p_block )
{
block_t *p_pcm_block;
block_t *p_chain = NULL;
unsigned int i_samples = p_block->i_buffer >> 2 /* s16l stereo */;
mtime_t start_date = p_block->i_pts;
start_date -= (mtime_t)i_samples * (mtime_t)1000000 / (mtime_t)p_enc->fmt_out.audio.i_rate;
VLC_UNUSED(p_enc);
do {
p_pcm_block = GetPCM( p_enc, p_block );
if( !p_pcm_block )
break;
p_block = NULL; /* we don't need it anymore */
uint32_t enc_buffer[16384]; /* storage for 65536 Bytes XXX: too much */
struct enc_chunk_hdr *chunk = (void*) enc_buffer;
chunk->enc_data = ENC_CHUNK_SKIP_HDR(chunk->enc_data, chunk);
encode_frame( (char*)p_pcm_block->p_buffer, chunk );
block_Release( p_pcm_block );
block_t *p_mp3_block = block_New( p_enc, chunk->enc_size );
if( !p_mp3_block )
break;
vlc_memcpy( p_mp3_block->p_buffer, chunk->enc_data, chunk->enc_size );
/* date management */
p_mp3_block->i_length = SAMP_PER_FRAME1 * 1000000 /
p_enc->fmt_out.audio.i_rate;
start_date += p_mp3_block->i_length;
p_mp3_block->i_dts = p_mp3_block->i_pts = start_date;
p_mp3_block->i_nb_samples = SAMP_PER_FRAME1;
block_ChainAppend( &p_chain, p_mp3_block );
} while( p_pcm_block );
return p_chain;
}
