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; }