diff options
Diffstat (limited to 'test/sound/helper.h')
-rw-r--r-- | test/sound/helper.h | 58 |
1 files changed, 51 insertions, 7 deletions
diff --git a/test/sound/helper.h b/test/sound/helper.h index c389a9c576..394287c884 100644 --- a/test/sound/helper.h +++ b/test/sound/helper.h @@ -24,7 +24,40 @@ static T *createSine(const int sampleRate, const int time) { } template<typename T> -static Audio::SeekableAudioStream *createSineStream(const int sampleRate, const int time, int16 **comp, bool le, bool isStereo) { +static Common::SeekableReadStream *createPartitionStream(T *sine, const int samples, Audio::RawStreamBlockList &blockList) { + const int block1Len = samples / 2; + const int block1Size = block1Len * sizeof(T); + const int block2Len = samples - block1Len; + const int block2Size = block2Len * sizeof(T); + + const int bufferLen = samples * 2; + const int bufferSize = bufferLen * sizeof(T); + T *partition = (T *)calloc(1, bufferSize); + + Audio::RawStreamBlock block; + + // The will layout the buffer like the following: + // [Zero], [Part2], [Zero], [Part1] + + // The first part of the stream is at the end of the memory buffer + block.pos = bufferSize - block1Size; + block.len = block1Len; + memcpy(partition + bufferLen - block1Len, sine, block1Size); + blockList.push_back(block); + + // The second part of the stream is near the beginning of the memory buffer + block.pos = block2Size; + block.len = block2Len; + memcpy(partition + block2Len, sine + block1Len, block2Size); + blockList.push_back(block); + + free(sine); + + return new Common::MemoryReadStream((const byte *)partition, bufferSize, DisposeAfterUse::YES); +} + +template<typename T> +static Audio::SeekableAudioStream *createSineStream(const int sampleRate, const int time, int16 **comp, bool le, bool isStereo, bool makePartition = false) { T *sine = createSine<T>(sampleRate, time * (isStereo ? 2 : 1)); const bool isUnsigned = !std::numeric_limits<T>::is_signed; @@ -54,12 +87,23 @@ static Audio::SeekableAudioStream *createSineStream(const int sampleRate, const } } - Common::SeekableReadStream *sD = new Common::MemoryReadStream((const byte *)sine, sizeof(T) * samples, DisposeAfterUse::YES); - Audio::SeekableAudioStream *s = Audio::makeRawStream(sD, sampleRate, - (is16Bits ? Audio::FLAG_16BITS : 0) - | (isUnsigned ? Audio::FLAG_UNSIGNED : 0) - | (le ? Audio::FLAG_LITTLE_ENDIAN : 0) - | (isStereo ? Audio::FLAG_STEREO : 0)); + Audio::SeekableAudioStream *s = 0; + if (makePartition) { + Audio::RawStreamBlockList blockList; + Common::SeekableReadStream *sD = createPartitionStream<T>(sine, samples, blockList); + s = Audio::makeRawStream(sD, blockList, sampleRate, + (is16Bits ? Audio::FLAG_16BITS : 0) + | (isUnsigned ? Audio::FLAG_UNSIGNED : 0) + | (le ? Audio::FLAG_LITTLE_ENDIAN : 0) + | (isStereo ? Audio::FLAG_STEREO : 0)); + } else { + Common::SeekableReadStream *sD = new Common::MemoryReadStream((const byte *)sine, sizeof(T) * samples, DisposeAfterUse::YES); + s = Audio::makeRawStream(sD, sampleRate, + (is16Bits ? Audio::FLAG_16BITS : 0) + | (isUnsigned ? Audio::FLAG_UNSIGNED : 0) + | (le ? Audio::FLAG_LITTLE_ENDIAN : 0) + | (isStereo ? Audio::FLAG_STEREO : 0)); + } return s; } |