#include "layout.h" #include "../vgmstream.h" void render_vgmstream_blocked(sample * buffer, int32_t sample_count, VGMSTREAM * vgmstream) { int samples_written=0; int frame_size = get_vgmstream_frame_size(vgmstream); int samples_per_frame = get_vgmstream_samples_per_frame(vgmstream); int samples_this_block; /* get samples in the current block */ if (vgmstream->current_block_samples) { samples_this_block = vgmstream->current_block_samples; } else if (frame_size == 0) { /* assume 4 bit */ //TODO: get_vgmstream_frame_size() really should return bits... */ samples_this_block = vgmstream->current_block_size * 2 * samples_per_frame; } else { samples_this_block = vgmstream->current_block_size / frame_size * samples_per_frame; } /* decode all samples */ while (samples_written < sample_count) { int samples_to_do; if (vgmstream->loop_flag && vgmstream_do_loop(vgmstream)) { /* on loop those values are changed */ if (vgmstream->current_block_samples) { samples_this_block = vgmstream->current_block_samples; } else if (frame_size == 0) { /* assume 4 bit */ //TODO: get_vgmstream_frame_size() really should return bits... */ samples_this_block = vgmstream->current_block_size * 2 * samples_per_frame; } else { samples_this_block = vgmstream->current_block_size / frame_size * samples_per_frame; } continue; } /* probably block bug or EOF, next calcs would give wrong values and buffer segfaults */ if (samples_this_block <= 0) { VGM_LOG("layout_blocked: empty/wrong block\n"); memset(buffer + samples_written*vgmstream->channels, 0, (sample_count - samples_written) * vgmstream->channels * sizeof(sample)); break; } samples_to_do = vgmstream_samples_to_do(samples_this_block, samples_per_frame, vgmstream); if (samples_written + samples_to_do > sample_count) samples_to_do = sample_count - samples_written; if (vgmstream->current_block_offset >= 0) { decode_vgmstream(vgmstream, samples_written, samples_to_do, buffer); } else { /* block end signal (used below): partially 0-set buffer */ int i; for (i = samples_written*vgmstream->channels; i < (samples_written+samples_to_do)*vgmstream->channels; i++) { buffer[i]=0; } } samples_written += samples_to_do; vgmstream->current_sample += samples_to_do; vgmstream->samples_into_block += samples_to_do; /* move to next block when all samples are consumed */ if (vgmstream->samples_into_block==samples_this_block /*&& vgmstream->current_sample < vgmstream->num_samples*/) { /* don't go past last block */ switch (vgmstream->layout_type) { case layout_ast_blocked: ast_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_mxch_blocked: mxch_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_halpst_blocked: if (vgmstream->next_block_offset>=0) halpst_block_update(vgmstream->next_block_offset,vgmstream); else vgmstream->current_block_offset = -1; break; case layout_xa_blocked: xa_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ea_blocked: ea_schl_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_blocked_ea_1snh: block_update_ea_1snh(vgmstream->next_block_offset,vgmstream); break; case layout_caf_blocked: caf_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_wsi_blocked: wsi_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_str_snds_blocked: str_snds_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ws_aud_blocked: ws_aud_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_matx_blocked: matx_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_blocked_dec: block_update_dec(vgmstream->next_block_offset,vgmstream); break; case layout_emff_ps2_blocked: emff_ps2_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_emff_ngc_blocked: emff_ngc_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_gsb_blocked: gsb_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_vs_blocked: vs_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_xvas_blocked: xvas_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_thp_blocked: thp_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_filp_blocked: filp_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ivaud_blocked: ivaud_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_psx_mgav_blocked: psx_mgav_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ps2_adm_blocked: ps2_adm_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_dsp_bdsp_blocked: dsp_bdsp_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_tra_blocked: tra_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ps2_iab_blocked: ps2_iab_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ps2_strlr_blocked: ps2_strlr_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_rws_blocked: rws_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_hwas_blocked: hwas_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_ea_sns_blocked: ea_sns_block_update(vgmstream->next_block_offset,vgmstream); break; case layout_blocked_awc: block_update_awc(vgmstream->next_block_offset,vgmstream); break; case layout_blocked_vgs: block_update_vgs(vgmstream->next_block_offset,vgmstream); break; default: break; } /* for VBR these may change */ frame_size = get_vgmstream_frame_size(vgmstream); /* for VBR these may change */ samples_per_frame = get_vgmstream_samples_per_frame(vgmstream); /* get samples in the current block */ if (vgmstream->current_block_samples) { samples_this_block = vgmstream->current_block_samples; } else if (frame_size == 0) { /* assume 4 bit */ //TODO: get_vgmstream_frame_size() really should return bits... */ samples_this_block = vgmstream->current_block_size * 2 * samples_per_frame; } else { samples_this_block = vgmstream->current_block_size / frame_size * samples_per_frame; } vgmstream->samples_into_block = 0; } } }