summaryrefslogtreecommitdiffstats
path: root/chromium/third_party/webrtc/modules/audio_coding/main/source/acm_pcm16b.cc
diff options
context:
space:
mode:
Diffstat (limited to 'chromium/third_party/webrtc/modules/audio_coding/main/source/acm_pcm16b.cc')
-rw-r--r--chromium/third_party/webrtc/modules/audio_coding/main/source/acm_pcm16b.cc251
1 files changed, 0 insertions, 251 deletions
diff --git a/chromium/third_party/webrtc/modules/audio_coding/main/source/acm_pcm16b.cc b/chromium/third_party/webrtc/modules/audio_coding/main/source/acm_pcm16b.cc
deleted file mode 100644
index 6fe12f757ca..00000000000
--- a/chromium/third_party/webrtc/modules/audio_coding/main/source/acm_pcm16b.cc
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/modules/audio_coding/main/source/acm_pcm16b.h"
-
-#include "webrtc/modules/audio_coding/main/source/acm_codec_database.h"
-#include "webrtc/modules/audio_coding/main/acm2/acm_common_defs.h"
-#include "webrtc/modules/audio_coding/main/source/acm_neteq.h"
-#include "webrtc/modules/audio_coding/neteq/interface/webrtc_neteq.h"
-#include "webrtc/modules/audio_coding/neteq/interface/webrtc_neteq_help_macros.h"
-#include "webrtc/system_wrappers/interface/trace.h"
-
-#ifdef WEBRTC_CODEC_PCM16
-#include "webrtc/modules/audio_coding/codecs/pcm16b/include/pcm16b.h"
-#endif
-
-namespace webrtc {
-
-namespace acm1 {
-
-#ifndef WEBRTC_CODEC_PCM16
-
-ACMPCM16B::ACMPCM16B(int16_t /* codec_id */) {
- return;
-}
-
-ACMPCM16B::~ACMPCM16B() {
- return;
-}
-
-int16_t ACMPCM16B::InternalEncode(
- uint8_t* /* bitstream */,
- int16_t* /* bitstream_len_byte */) {
- return -1;
-}
-
-int16_t ACMPCM16B::DecodeSafe(uint8_t* /* bitstream */,
- int16_t /* bitstream_len_byte */,
- int16_t* /* audio */,
- int16_t* /* audio_samples */,
- int8_t* /* speech_type */) {
- return -1;
-}
-
-int16_t ACMPCM16B::InternalInitEncoder(
- WebRtcACMCodecParams* /* codec_params */) {
- return -1;
-}
-
-int16_t ACMPCM16B::InternalInitDecoder(
- WebRtcACMCodecParams* /* codec_params */) {
- return -1;
-}
-
-int32_t ACMPCM16B::CodecDef(WebRtcNetEQ_CodecDef& /* codec_def */,
- const CodecInst& /* codec_inst */) {
- return -1;
-}
-
-ACMGenericCodec* ACMPCM16B::CreateInstance(void) {
- return NULL;
-}
-
-int16_t ACMPCM16B::InternalCreateEncoder() {
- return -1;
-}
-
-int16_t ACMPCM16B::InternalCreateDecoder() {
- return -1;
-}
-
-void ACMPCM16B::InternalDestructEncoderInst(void* /* ptr_inst */) {
- return;
-}
-
-void ACMPCM16B::DestructEncoderSafe() {
- return;
-}
-
-void ACMPCM16B::DestructDecoderSafe() {
- return;
-}
-
-void ACMPCM16B::SplitStereoPacket(uint8_t* /*payload*/,
- int32_t* /*payload_length*/) {
-}
-
-#else //===================== Actual Implementation =======================
-ACMPCM16B::ACMPCM16B(int16_t codec_id) {
- codec_id_ = codec_id;
- sampling_freq_hz_ = ACMCodecDB::CodecFreq(codec_id_);
-}
-
-ACMPCM16B::~ACMPCM16B() {
- return;
-}
-
-int16_t ACMPCM16B::InternalEncode(uint8_t* bitstream,
- int16_t* bitstream_len_byte) {
- *bitstream_len_byte = WebRtcPcm16b_Encode(&in_audio_[in_audio_ix_read_],
- frame_len_smpl_ * num_channels_,
- bitstream);
- // Increment the read index to tell the caller that how far
- // we have gone forward in reading the audio buffer.
- in_audio_ix_read_ += frame_len_smpl_ * num_channels_;
- return *bitstream_len_byte;
-}
-
-int16_t ACMPCM16B::DecodeSafe(uint8_t* /* bitstream */,
- int16_t /* bitstream_len_byte */,
- int16_t* /* audio */,
- int16_t* /* audio_samples */,
- int8_t* /* speech_type */) {
- return 0;
-}
-
-int16_t ACMPCM16B::InternalInitEncoder(
- WebRtcACMCodecParams* /* codec_params */) {
- // This codec does not need initialization, PCM has no instance.
- return 0;
-}
-
-int16_t ACMPCM16B::InternalInitDecoder(
- WebRtcACMCodecParams* /* codec_params */) {
- // This codec does not need initialization, PCM has no instance.
- return 0;
-}
-
-int32_t ACMPCM16B::CodecDef(WebRtcNetEQ_CodecDef& codec_def,
- const CodecInst& codec_inst) {
- // Fill up the structure by calling "SET_CODEC_PAR" & "SET_PCMU_FUNCTION".
- // Then call NetEQ to add the codec to it's database.
- if (codec_inst.channels == 1) {
- switch (sampling_freq_hz_) {
- case 8000: {
- SET_CODEC_PAR(codec_def, kDecoderPCM16B, codec_inst.pltype, NULL, 8000);
- SET_PCM16B_FUNCTIONS(codec_def);
- break;
- }
- case 16000: {
- SET_CODEC_PAR(codec_def, kDecoderPCM16Bwb, codec_inst.pltype, NULL,
- 16000);
- SET_PCM16B_WB_FUNCTIONS(codec_def);
- break;
- }
- case 32000: {
- SET_CODEC_PAR(codec_def, kDecoderPCM16Bswb32kHz, codec_inst.pltype,
- NULL, 32000);
- SET_PCM16B_SWB32_FUNCTIONS(codec_def);
- break;
- }
- default: {
- return -1;
- }
- }
- } else {
- switch (sampling_freq_hz_) {
- case 8000: {
- SET_CODEC_PAR(codec_def, kDecoderPCM16B_2ch, codec_inst.pltype, NULL,
- 8000);
- SET_PCM16B_FUNCTIONS(codec_def);
- break;
- }
- case 16000: {
- SET_CODEC_PAR(codec_def, kDecoderPCM16Bwb_2ch, codec_inst.pltype,
- NULL, 16000);
- SET_PCM16B_WB_FUNCTIONS(codec_def);
- break;
- }
- case 32000: {
- SET_CODEC_PAR(codec_def, kDecoderPCM16Bswb32kHz_2ch, codec_inst.pltype,
- NULL, 32000);
- SET_PCM16B_SWB32_FUNCTIONS(codec_def);
- break;
- }
- default: {
- return -1;
- }
- }
- }
- return 0;
-}
-
-ACMGenericCodec* ACMPCM16B::CreateInstance(void) {
- return NULL;
-}
-
-int16_t ACMPCM16B::InternalCreateEncoder() {
- // PCM has no instance.
- return 0;
-}
-
-int16_t ACMPCM16B::InternalCreateDecoder() {
- // PCM has no instance.
- return 0;
-}
-
-void ACMPCM16B::InternalDestructEncoderInst(void* /* ptr_inst */) {
- // PCM has no instance.
- return;
-}
-
-void ACMPCM16B::DestructEncoderSafe() {
- // PCM has no instance.
- encoder_exist_ = false;
- encoder_initialized_ = false;
- return;
-}
-
-void ACMPCM16B::DestructDecoderSafe() {
- // PCM has no instance.
- decoder_exist_ = false;
- decoder_initialized_ = false;
- return;
-}
-
-// Split the stereo packet and place left and right channel after each other
-// in the payload vector.
-void ACMPCM16B::SplitStereoPacket(uint8_t* payload, int32_t* payload_length) {
- uint8_t right_byte_msb;
- uint8_t right_byte_lsb;
-
- // Check for valid inputs.
- assert(payload != NULL);
- assert(*payload_length > 0);
-
- // Move two bytes representing right channel each loop, and place it at the
- // end of the bytestream vector. After looping the data is reordered to:
- // l1 l2 l3 l4 ... l(N-1) lN r1 r2 r3 r4 ... r(N-1) r(N),
- // where N is the total number of samples.
-
- for (int i = 0; i < *payload_length / 2; i += 2) {
- right_byte_msb = payload[i + 2];
- right_byte_lsb = payload[i + 3];
- memmove(&payload[i + 2], &payload[i + 4], *payload_length - i - 4);
- payload[*payload_length - 2] = right_byte_msb;
- payload[*payload_length - 1] = right_byte_lsb;
- }
-}
-#endif
-
-} // namespace acm1
-
-} // namespace webrtc
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 00:19:29 +0000