| /** |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include <string.h> |
| #include <stdlib.h> |
| #define REF_COUNT 1 |
| #define DECODE_PACKET 1 |
| |
| extern "C" { |
| #include <Tremolo/codec_internal.h> |
| |
| int _vorbis_unpack_books(vorbis_info *vi, oggpack_buffer *opb); |
| int _vorbis_unpack_info(vorbis_info *vi, oggpack_buffer *opb); |
| int _vorbis_unpack_comment(vorbis_comment *vc, oggpack_buffer *opb); |
| } |
| |
| const uint8_t packInfoData[] = { 0x00, 0x00, 0x00, 0x00, 0x02, 0x80, 0xBB, 0x00, |
| 0x00, 0x00, 0x00, 0x0D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0xBB, 0x01, 0xFF, 0xFF, 0xFF, 0xFF }; |
| |
| unsigned char unpackBookData[] = { 0x00, 0x42, 0x43, 0x56, 0x1E, 0x00, 0x10, |
| 0x00, 0x00, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x10, 0x0A, 0xFF, 0x00, 0x00, |
| 0x00, 0x06, 0xD0, 0x00, 0x00, 0x00, 0x7F, 0x00, 0x1D, 0x00, 0x00, 0x00, |
| 0x2C, 0x00, 0x03, 0x3C, 0x51, 0x04, 0x34, 0x4F, 0x04, 0x00, 0x40, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0xCB, 0x00, 0x40, 0x00, 0x00, 0x01, 0x4F, 0xF4, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0xFF, 0xFF, 0xFF, 0xFF }; |
| |
| unsigned char bufData[] = { 0x00, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0xE7, |
| 0x00, 0x00, 0xE9, 0x00 }; |
| |
| static void makeBitReader(const void *data, size_t size, ogg_buffer *buf, |
| ogg_reference *ref, oggpack_buffer *bits) { |
| buf->data = (uint8_t *) data; |
| buf->size = size; |
| buf->refcount = REF_COUNT; |
| |
| ref->buffer = buf; |
| ref->length = size; |
| oggpack_readinit(bits, ref); |
| } |
| |
| int main() { |
| ogg_buffer buf; |
| ogg_reference ref; |
| oggpack_buffer bits; |
| |
| memset(&buf, 0, sizeof(ogg_buffer)); |
| memset(&ref, 0, sizeof(ogg_reference)); |
| memset(&bits, 0, sizeof(oggpack_buffer)); |
| |
| makeBitReader(packInfoData, sizeof(packInfoData), &buf, &ref, &bits); |
| |
| vorbis_info *mVi = new vorbis_info; |
| vorbis_info_init(mVi); |
| |
| int ret = _vorbis_unpack_info(mVi, &bits); |
| if (!ret) { |
| memset(&buf, 0, sizeof(ogg_buffer)); |
| memset(&ref, 0, sizeof(ogg_reference)); |
| memset(&bits, 0, sizeof(oggpack_buffer)); |
| |
| makeBitReader(unpackBookData, sizeof(unpackBookData), &buf, &ref, |
| &bits); |
| |
| ret = _vorbis_unpack_books(mVi, &bits); |
| if (!ret) { |
| ogg_packet pack; |
| memset(&pack, 0, sizeof(ogg_packet)); |
| memset(&buf, 0, sizeof(ogg_buffer)); |
| memset(&ref, 0, sizeof(ogg_reference)); |
| |
| vorbis_dsp_state *mState = new vorbis_dsp_state; |
| vorbis_dsp_init(mState, mVi); |
| |
| buf.data = bufData; |
| buf.size = sizeof(bufData); |
| buf.refcount = REF_COUNT; |
| |
| ref.buffer = &buf; |
| ref.length = buf.size; |
| |
| pack.packet = &ref; |
| pack.bytes = ref.length; |
| |
| vorbis_dsp_synthesis(mState, &pack, DECODE_PACKET); |
| } |
| } |
| return EXIT_SUCCESS; |
| } |