Index: webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc |
diff --git a/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc b/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc |
deleted file mode 100644 |
index b54fc0bd485c2467092ca7b339e81454069e102e..0000000000000000000000000000000000000000 |
--- a/webrtc/modules/audio_coding/main/acm2/acm_codec_database.cc |
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@@ -1,331 +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. |
- */ |
- |
-/* |
- * This file generates databases with information about all supported audio |
- * codecs. |
- */ |
- |
-// TODO(tlegrand): Change constant input pointers in all functions to constant |
-// references, where appropriate. |
-#include "webrtc/modules/audio_coding/main/acm2/acm_codec_database.h" |
- |
-#include <assert.h> |
- |
-#include "webrtc/base/checks.h" |
-#include "webrtc/modules/audio_coding/main/acm2/acm_common_defs.h" |
-#include "webrtc/system_wrappers/include/trace.h" |
- |
-namespace webrtc { |
- |
-namespace acm2 { |
- |
-namespace { |
- |
-// Checks if the bitrate is valid for iSAC. |
-bool IsISACRateValid(int rate) { |
- return (rate == -1) || ((rate <= 56000) && (rate >= 10000)); |
-} |
- |
-// Checks if the bitrate is valid for iLBC. |
-bool IsILBCRateValid(int rate, int frame_size_samples) { |
- if (((frame_size_samples == 240) || (frame_size_samples == 480)) && |
- (rate == 13300)) { |
- return true; |
- } else if (((frame_size_samples == 160) || (frame_size_samples == 320)) && |
- (rate == 15200)) { |
- return true; |
- } else { |
- return false; |
- } |
-} |
- |
-// Checks if the bitrate is valid for Opus. |
-bool IsOpusRateValid(int rate) { |
- return (rate >= 6000) && (rate <= 510000); |
-} |
- |
-} // namespace |
- |
-// Not yet used payload-types. |
-// 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, |
-// 67, 66, 65 |
- |
-const CodecInst ACMCodecDB::database_[] = { |
-#if (defined(WEBRTC_CODEC_ISAC) || defined(WEBRTC_CODEC_ISACFX)) |
- {103, "ISAC", 16000, kIsacPacSize480, 1, kIsacWbDefaultRate}, |
-# if (defined(WEBRTC_CODEC_ISAC)) |
- {104, "ISAC", 32000, kIsacPacSize960, 1, kIsacSwbDefaultRate}, |
-# endif |
-#endif |
- // Mono |
- {107, "L16", 8000, 80, 1, 128000}, |
- {108, "L16", 16000, 160, 1, 256000}, |
- {109, "L16", 32000, 320, 1, 512000}, |
- // Stereo |
- {111, "L16", 8000, 80, 2, 128000}, |
- {112, "L16", 16000, 160, 2, 256000}, |
- {113, "L16", 32000, 320, 2, 512000}, |
- // G.711, PCM mu-law and A-law. |
- // Mono |
- {0, "PCMU", 8000, 160, 1, 64000}, |
- {8, "PCMA", 8000, 160, 1, 64000}, |
- // Stereo |
- {110, "PCMU", 8000, 160, 2, 64000}, |
- {118, "PCMA", 8000, 160, 2, 64000}, |
-#ifdef WEBRTC_CODEC_ILBC |
- {102, "ILBC", 8000, 240, 1, 13300}, |
-#endif |
-#ifdef WEBRTC_CODEC_G722 |
- // Mono |
- {9, "G722", 16000, 320, 1, 64000}, |
- // Stereo |
- {119, "G722", 16000, 320, 2, 64000}, |
-#endif |
-#ifdef WEBRTC_CODEC_OPUS |
- // Opus internally supports 48, 24, 16, 12, 8 kHz. |
- // Mono and stereo. |
- {120, "opus", 48000, 960, 2, 64000}, |
-#endif |
- // Comfort noise for four different sampling frequencies. |
- {13, "CN", 8000, 240, 1, 0}, |
- {98, "CN", 16000, 480, 1, 0}, |
- {99, "CN", 32000, 960, 1, 0}, |
-#ifdef ENABLE_48000_HZ |
- {100, "CN", 48000, 1440, 1, 0}, |
-#endif |
- {106, "telephone-event", 8000, 240, 1, 0}, |
-#ifdef WEBRTC_CODEC_RED |
- {127, "red", 8000, 0, 1, 0}, |
-#endif |
- // To prevent compile errors due to trailing commas. |
- {-1, "Null", -1, -1, -1, -1} |
-}; |
- |
-// Create database with all codec settings at compile time. |
-// Each entry needs the following parameters in the given order: |
-// Number of allowed packet sizes, a vector with the allowed packet sizes, |
-// Basic block samples, max number of channels that are supported. |
-const ACMCodecDB::CodecSettings ACMCodecDB::codec_settings_[] = { |
-#if (defined(WEBRTC_CODEC_ISAC) || defined(WEBRTC_CODEC_ISACFX)) |
- {2, {kIsacPacSize480, kIsacPacSize960}, 0, 1}, |
-# if (defined(WEBRTC_CODEC_ISAC)) |
- {1, {kIsacPacSize960}, 0, 1}, |
-# endif |
-#endif |
- // Mono |
- {4, {80, 160, 240, 320}, 0, 2}, |
- {4, {160, 320, 480, 640}, 0, 2}, |
- {2, {320, 640}, 0, 2}, |
- // Stereo |
- {4, {80, 160, 240, 320}, 0, 2}, |
- {4, {160, 320, 480, 640}, 0, 2}, |
- {2, {320, 640}, 0, 2}, |
- // G.711, PCM mu-law and A-law. |
- // Mono |
- {6, {80, 160, 240, 320, 400, 480}, 0, 2}, |
- {6, {80, 160, 240, 320, 400, 480}, 0, 2}, |
- // Stereo |
- {6, {80, 160, 240, 320, 400, 480}, 0, 2}, |
- {6, {80, 160, 240, 320, 400, 480}, 0, 2}, |
-#ifdef WEBRTC_CODEC_ILBC |
- {4, {160, 240, 320, 480}, 0, 1}, |
-#endif |
-#ifdef WEBRTC_CODEC_G722 |
- // Mono |
- {6, {160, 320, 480, 640, 800, 960}, 0, 2}, |
- // Stereo |
- {6, {160, 320, 480, 640, 800, 960}, 0, 2}, |
-#endif |
-#ifdef WEBRTC_CODEC_OPUS |
- // Opus supports frames shorter than 10ms, |
- // but it doesn't help us to use them. |
- // Mono and stereo. |
- {4, {480, 960, 1920, 2880}, 0, 2}, |
-#endif |
- // Comfort noise for three different sampling frequencies. |
- {1, {240}, 240, 1}, |
- {1, {480}, 480, 1}, |
- {1, {960}, 960, 1}, |
-#ifdef ENABLE_48000_HZ |
- {1, {1440}, 1440, 1}, |
-#endif |
- {1, {240}, 240, 1}, |
-#ifdef WEBRTC_CODEC_RED |
- {1, {0}, 0, 1}, |
-#endif |
- // To prevent compile errors due to trailing commas. |
- {-1, {-1}, -1, -1} |
-}; |
- |
-// Create a database of all NetEQ decoders at compile time. |
-const NetEqDecoder ACMCodecDB::neteq_decoders_[] = { |
-#if (defined(WEBRTC_CODEC_ISAC) || defined(WEBRTC_CODEC_ISACFX)) |
- NetEqDecoder::kDecoderISAC, |
-# if (defined(WEBRTC_CODEC_ISAC)) |
- NetEqDecoder::kDecoderISACswb, |
-# endif |
-#endif |
- // Mono |
- NetEqDecoder::kDecoderPCM16B, NetEqDecoder::kDecoderPCM16Bwb, |
- NetEqDecoder::kDecoderPCM16Bswb32kHz, |
- // Stereo |
- NetEqDecoder::kDecoderPCM16B_2ch, NetEqDecoder::kDecoderPCM16Bwb_2ch, |
- NetEqDecoder::kDecoderPCM16Bswb32kHz_2ch, |
- // G.711, PCM mu-las and A-law. |
- // Mono |
- NetEqDecoder::kDecoderPCMu, NetEqDecoder::kDecoderPCMa, |
- // Stereo |
- NetEqDecoder::kDecoderPCMu_2ch, NetEqDecoder::kDecoderPCMa_2ch, |
-#ifdef WEBRTC_CODEC_ILBC |
- NetEqDecoder::kDecoderILBC, |
-#endif |
-#ifdef WEBRTC_CODEC_G722 |
- // Mono |
- NetEqDecoder::kDecoderG722, |
- // Stereo |
- NetEqDecoder::kDecoderG722_2ch, |
-#endif |
-#ifdef WEBRTC_CODEC_OPUS |
- // Mono and stereo. |
- NetEqDecoder::kDecoderOpus, |
-#endif |
- // Comfort noise for three different sampling frequencies. |
- NetEqDecoder::kDecoderCNGnb, NetEqDecoder::kDecoderCNGwb, |
- NetEqDecoder::kDecoderCNGswb32kHz, |
-#ifdef ENABLE_48000_HZ |
- NetEqDecoder::kDecoderCNGswb48kHz, |
-#endif |
- NetEqDecoder::kDecoderAVT, |
-#ifdef WEBRTC_CODEC_RED |
- NetEqDecoder::kDecoderRED, |
-#endif |
-}; |
- |
-// Enumerator for error codes when asking for codec database id. |
-enum { |
- kInvalidCodec = -10, |
- kInvalidPayloadtype = -30, |
- kInvalidPacketSize = -40, |
- kInvalidRate = -50 |
-}; |
- |
-// Gets the codec id number from the database. If there is some mismatch in |
-// the codec settings, the function will return an error code. |
-// NOTE! The first mismatch found will generate the return value. |
-int ACMCodecDB::CodecNumber(const CodecInst& codec_inst) { |
- // Look for a matching codec in the database. |
- int codec_id = CodecId(codec_inst); |
- |
- // Checks if we found a matching codec. |
- if (codec_id == -1) { |
- return kInvalidCodec; |
- } |
- |
- // Checks the validity of payload type |
- if (!RentACodec::IsPayloadTypeValid(codec_inst.pltype)) { |
- return kInvalidPayloadtype; |
- } |
- |
- // Comfort Noise is special case, packet-size & rate is not checked. |
- if (STR_CASE_CMP(database_[codec_id].plname, "CN") == 0) { |
- return codec_id; |
- } |
- |
- // RED is special case, packet-size & rate is not checked. |
- if (STR_CASE_CMP(database_[codec_id].plname, "red") == 0) { |
- return codec_id; |
- } |
- |
- // Checks the validity of packet size. |
- if (codec_settings_[codec_id].num_packet_sizes > 0) { |
- bool packet_size_ok = false; |
- int i; |
- int packet_size_samples; |
- for (i = 0; i < codec_settings_[codec_id].num_packet_sizes; i++) { |
- packet_size_samples = |
- codec_settings_[codec_id].packet_sizes_samples[i]; |
- if (codec_inst.pacsize == packet_size_samples) { |
- packet_size_ok = true; |
- break; |
- } |
- } |
- |
- if (!packet_size_ok) { |
- return kInvalidPacketSize; |
- } |
- } |
- |
- if (codec_inst.pacsize < 1) { |
- return kInvalidPacketSize; |
- } |
- |
- // Check the validity of rate. Codecs with multiple rates have their own |
- // function for this. |
- if (STR_CASE_CMP("isac", codec_inst.plname) == 0) { |
- return IsISACRateValid(codec_inst.rate) ? codec_id : kInvalidRate; |
- } else if (STR_CASE_CMP("ilbc", codec_inst.plname) == 0) { |
- return IsILBCRateValid(codec_inst.rate, codec_inst.pacsize) |
- ? codec_id : kInvalidRate; |
- } else if (STR_CASE_CMP("opus", codec_inst.plname) == 0) { |
- return IsOpusRateValid(codec_inst.rate) |
- ? codec_id : kInvalidRate; |
- } |
- |
- return database_[codec_id].rate == codec_inst.rate ? codec_id : kInvalidRate; |
-} |
- |
-// Looks for a matching payload name, frequency, and channels in the |
-// codec list. Need to check all three since some codecs have several codec |
-// entries with different frequencies and/or channels. |
-// Does not check other codec settings, such as payload type and packet size. |
-// Returns the id of the codec, or -1 if no match is found. |
-int ACMCodecDB::CodecId(const CodecInst& codec_inst) { |
- return (CodecId(codec_inst.plname, codec_inst.plfreq, |
- codec_inst.channels)); |
-} |
- |
-int ACMCodecDB::CodecId(const char* payload_name, int frequency, int channels) { |
- for (const CodecInst& ci : RentACodec::Database()) { |
- bool name_match = false; |
- bool frequency_match = false; |
- bool channels_match = false; |
- |
- // Payload name, sampling frequency and number of channels need to match. |
- // NOTE! If |frequency| is -1, the frequency is not applicable, and is |
- // always treated as true, like for RED. |
- name_match = (STR_CASE_CMP(ci.plname, payload_name) == 0); |
- frequency_match = (frequency == ci.plfreq) || (frequency == -1); |
- // The number of channels must match for all codecs but Opus. |
- if (STR_CASE_CMP(payload_name, "opus") != 0) { |
- channels_match = (channels == ci.channels); |
- } else { |
- // For opus we just check that number of channels is valid. |
- channels_match = (channels == 1 || channels == 2); |
- } |
- |
- if (name_match && frequency_match && channels_match) { |
- // We have found a matching codec in the list. |
- return &ci - RentACodec::Database().data(); |
- } |
- } |
- |
- // We didn't find a matching codec. |
- return -1; |
-} |
-// Gets codec id number from database for the receiver. |
-int ACMCodecDB::ReceiverCodecNumber(const CodecInst& codec_inst) { |
- // Look for a matching codec in the database. |
- return CodecId(codec_inst); |
-} |
- |
-} // namespace acm2 |
- |
-} // namespace webrtc |