tstAudioMixBuffer.cpp revision a3b592bbebcadf0cc7c1b9e295f4f8a032128ef0
/* $Id$ */
/** @file
* Audio testcase - Mixing buffer.
*/
/*
* Copyright (C) 2014-2015 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/err.h>
#include <iprt/initterm.h>
#include <iprt/mem.h>
#include <iprt/rand.h>
#include <iprt/stream.h>
#include <iprt/string.h>
#include <iprt/test.h>
#include "../AudioMixBuffer.h"
#include "../DrvAudio.h"
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
static int tstSingle(RTTEST hTest)
{
RTTestSubF(hTest, "Single buffer");
PDMAUDIOSTREAMCFG config =
{
44100, /* Hz */
2 /* Channels */,
AUD_FMT_S16 /* Format */,
PDMAUDIOENDIANNESS_LITTLE /* ENDIANNESS */
};
PDMPCMPROPS props;
int rc = drvAudioStreamCfgToProps(&config, &props);
AssertRC(rc);
uint32_t cBufSize = _1K;
/*
* General stuff.
*/
PDMAUDIOMIXBUF mb;
RTTESTI_CHECK_RC_OK(audioMixBufInit(&mb, "Single", &props, cBufSize));
RTTESTI_CHECK(audioMixBufSize(&mb) == cBufSize);
RTTESTI_CHECK(AUDIOMIXBUF_B2S(&mb, audioMixBufSizeBytes(&mb)) == cBufSize);
RTTESTI_CHECK(AUDIOMIXBUF_S2B(&mb, audioMixBufSize(&mb)) == audioMixBufSizeBytes(&mb));
RTTESTI_CHECK(audioMixBufFree(&mb) == cBufSize);
RTTESTI_CHECK(AUDIOMIXBUF_S2B(&mb, audioMixBufFree(&mb)) == audioMixBufFreeBytes(&mb));
/*
* Absolute writes.
*/
uint32_t read = 0, written = 0, written_abs = 0;
int8_t samples8 [2] = { 0x12, 0x34 };
int16_t samples16[2] = { 0xAA, 0xBB };
int32_t samples32[2] = { 0xCC, 0xDD };
int64_t samples64[2] = { 0xEE, 0xFF };
RTTESTI_CHECK_RC_OK(audioMixBufWriteAt(&mb, 0, &samples8, sizeof(samples8), &written));
RTTESTI_CHECK(written == 0 /* Samples */);
RTTESTI_CHECK_RC_OK(audioMixBufWriteAt(&mb, 0, &samples16, sizeof(samples16), &written));
RTTESTI_CHECK(written == 1 /* Samples */);
RTTESTI_CHECK_RC_OK(audioMixBufWriteAt(&mb, 2, &samples32, sizeof(samples32), &written));
RTTESTI_CHECK(written == 2 /* Samples */);
written_abs = 0;
/* Beyond buffer. */
RTTESTI_CHECK_RC(audioMixBufWriteAt(&mb, audioMixBufSize(&mb) + 1, &samples16, sizeof(samples16),
&written), VERR_BUFFER_OVERFLOW);
/*
* Circular writes.
*/
uint32_t cToWrite = audioMixBufSize(&mb) - written_abs - 1; /* -1 as padding plus -2 samples for above. */
for (uint32_t i = 0; i < cToWrite; i++)
{
RTTESTI_CHECK_RC_OK(audioMixBufWriteCirc(&mb, &samples16, sizeof(samples16), &written));
RTTESTI_CHECK(written == 1);
}
RTTESTI_CHECK(!audioMixBufIsEmpty(&mb));
RTTESTI_CHECK(audioMixBufFree(&mb) == 1);
RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, 1U));
RTTESTI_CHECK(audioMixBufProcessed(&mb) == cToWrite + written_abs /* + last absolute write */);
RTTESTI_CHECK_RC_OK(audioMixBufWriteCirc(&mb, &samples16, sizeof(samples16), &written));
RTTESTI_CHECK(written == 1);
RTTESTI_CHECK(audioMixBufFree(&mb) == 0);
RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, 0));
RTTESTI_CHECK(audioMixBufProcessed(&mb) == cBufSize);
/* Circular reads. */
uint32_t cToRead = audioMixBufSize(&mb) - written_abs - 1;
for (uint32_t i = 0; i < cToWrite; i++)
{
RTTESTI_CHECK_RC_OK(audioMixBufReadCirc(&mb, &samples16, sizeof(samples16), &read));
RTTESTI_CHECK(read == 1);
audioMixBufFinish(&mb, read);
}
RTTESTI_CHECK(!audioMixBufIsEmpty(&mb));
RTTESTI_CHECK(audioMixBufFree(&mb) == audioMixBufSize(&mb) - written_abs - 1);
RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, cBufSize - written_abs - 1));
RTTESTI_CHECK(audioMixBufProcessed(&mb) == cBufSize - cToRead + written_abs);
RTTESTI_CHECK_RC_OK(audioMixBufReadCirc(&mb, &samples16, sizeof(samples16), &read));
RTTESTI_CHECK(read == 1);
audioMixBufFinish(&mb, read);
RTTESTI_CHECK(audioMixBufFree(&mb) == cBufSize - written_abs);
RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, cBufSize - written_abs));
RTTESTI_CHECK(audioMixBufProcessed(&mb) == written_abs);
return RTTestSubErrorCount(hTest) ? VERR_GENERAL_FAILURE : VINF_SUCCESS;
}
static int tstParentChild(RTTEST hTest)
{
RTTestSubF(hTest, "2 Children -> Parent");
uint32_t cBufSize = _1K;
PDMAUDIOSTREAMCFG cfg_p =
{
44100, /* Hz */
2 /* Channels */,
AUD_FMT_S16 /* Format */,
PDMAUDIOENDIANNESS_LITTLE /* ENDIANNESS */
};
PDMPCMPROPS props;
int rc = drvAudioStreamCfgToProps(&cfg_p, &props);
AssertRC(rc);
PDMAUDIOMIXBUF parent;
RTTESTI_CHECK_RC_OK(audioMixBufInit(&parent, "Parent", &props, cBufSize));
PDMAUDIOSTREAMCFG cfg_c1 = /* Upmixing to parent */
{
22100, /* Hz */
2 /* Channels */,
AUD_FMT_S16 /* Format */,
PDMAUDIOENDIANNESS_LITTLE /* ENDIANNESS */
};
rc = drvAudioStreamCfgToProps(&cfg_c1, &props);
AssertRC(rc);
PDMAUDIOMIXBUF child1;
RTTESTI_CHECK_RC_OK(audioMixBufInit(&child1, "Child1", &props, cBufSize));
RTTESTI_CHECK_RC_OK(audioMixBufLinkTo(&child1, &parent));
PDMAUDIOSTREAMCFG cfg_c2 = /* Downmixing to parent */
{
48000, /* Hz */
2 /* Channels */,
AUD_FMT_S16 /* Format */,
PDMAUDIOENDIANNESS_LITTLE /* ENDIANNESS */
};
rc = drvAudioStreamCfgToProps(&cfg_c2, &props);
AssertRC(rc);
PDMAUDIOMIXBUF child2;
RTTESTI_CHECK_RC_OK(audioMixBufInit(&child2, "Child2", &props, cBufSize));
RTTESTI_CHECK_RC_OK(audioMixBufLinkTo(&child2, &parent));
/*
* Writing + mixing from child/children -> parent, sequential.
*/
uint32_t cbBuf = _1K;
char pvBuf[_1K];
int16_t samples[32] = { 0xAA, 0xBB };
uint32_t read , written, mixed, temp;
uint32_t cChild1Free = cBufSize;
uint32_t cChild1Mixed = 0;
uint32_t cSamplesParent1 = 16;
uint32_t cSamplesChild1 = 16;
uint32_t cChild2Free = cBufSize;
uint32_t cChild2Mixed = 0;
uint32_t cSamplesParent2 = 16;
uint32_t cSamplesChild2 = 16;
uint32_t t = RTRandU32() % 64;
for (uint32_t i = 0; i < t; i++)
{
RTTestPrintf(hTest, RTTESTLVL_DEBUG, "i=%RU32\n", i);
RTTESTI_CHECK_RC_OK_BREAK(audioMixBufWriteAt(&child1, 0, &samples, sizeof(samples), &written));
RTTESTI_CHECK_MSG_BREAK(written == cSamplesChild1, ("Child1: Expected %RU32 written samples, got %RU32\n", cSamplesChild1, written));
RTTESTI_CHECK_RC_OK_BREAK(audioMixBufMixToParent(&child1, written, &mixed));
temp = audioMixBufProcessed(&parent) - audioMixBufMixed(&child2);
RTTESTI_CHECK_MSG_BREAK(audioMixBufMixed(&child1) == temp, ("Child1: Expected %RU32 mixed samples, got %RU32\n", audioMixBufMixed(&child1), temp));
RTTESTI_CHECK_RC_OK_BREAK(audioMixBufWriteAt(&child2, 0, &samples, sizeof(samples), &written));
RTTESTI_CHECK_MSG_BREAK(written == cSamplesChild2, ("Child2: Expected %RU32 written samples, got %RU32\n", cSamplesChild2, written));
RTTESTI_CHECK_RC_OK_BREAK(audioMixBufMixToParent(&child2, written, &mixed));
temp = audioMixBufProcessed(&parent) - audioMixBufMixed(&child1);
RTTESTI_CHECK_MSG_BREAK(audioMixBufMixed(&child2) == temp, ("Child2: Expected %RU32 mixed samples, got %RU32\n", audioMixBufMixed(&child2), temp));
}
RTTESTI_CHECK(audioMixBufProcessed(&parent) == audioMixBufMixed(&child1) + audioMixBufMixed(&child2));
for (;;)
{
RTTESTI_CHECK_RC_OK_BREAK(audioMixBufReadCirc(&parent, pvBuf, cbBuf, &read));
if (!read)
break;
audioMixBufFinish(&parent, read);
}
RTTESTI_CHECK(audioMixBufProcessed(&parent) == 0);
RTTESTI_CHECK(audioMixBufMixed(&child1) == 0);
RTTESTI_CHECK(audioMixBufMixed(&child2) == 0);
return RTTestSubErrorCount(hTest) ? VERR_GENERAL_FAILURE : VINF_SUCCESS;
}
int main(int argc, char **argv)
{
RTR3InitExe(argc, &argv, 0);
/*
* Initialize IPRT and create the test.
*/
RTTEST hTest;
int rc = RTTestInitAndCreate("tstAudioMixBuffer", &hTest);
if (rc)
return rc;
RTTestBanner(hTest);
rc = tstSingle(hTest);
if (RT_SUCCESS(rc))
rc = tstParentChild(hTest);
/*
* Summary
*/
return RTTestSummaryAndDestroy(hTest);
}