tstAudioMixBuffer.cpp revision 10258d88c40d8254a2a0d89e9b6c1f3b487f5c2d
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * Audio testcase - Mixing buffer.
b2cb7a03a79ad2e40f4e470acbc87881781e798evboxsync * Copyright (C) 2014-2015 Oracle Corporation
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * available from http://www.virtualbox.org. This file is free software;
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * you can redistribute it and/or modify it under the terms of the GNU
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * General Public License (GPL) as published by the Free Software
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
174f3dff60f96d89b320f9a322307118676db1dbvboxsync/*******************************************************************************
174f3dff60f96d89b320f9a322307118676db1dbvboxsync* Header Files *
174f3dff60f96d89b320f9a322307118676db1dbvboxsync*******************************************************************************/
174f3dff60f96d89b320f9a322307118676db1dbvboxsync/*******************************************************************************
174f3dff60f96d89b320f9a322307118676db1dbvboxsync* Structures and Typedefs *
174f3dff60f96d89b320f9a322307118676db1dbvboxsync*******************************************************************************/
174f3dff60f96d89b320f9a322307118676db1dbvboxsync int rc = drvAudioStreamCfgToProps(&config, &props);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * General stuff.
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufInit(&mb, "Single", &props, cBufSize));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(AUDIOMIXBUF_B2S(&mb, audioMixBufSizeBytes(&mb)) == cBufSize);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(AUDIOMIXBUF_S2B(&mb, audioMixBufSize(&mb)) == audioMixBufSizeBytes(&mb));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(AUDIOMIXBUF_S2B(&mb, audioMixBufFree(&mb)) == audioMixBufFreeBytes(&mb));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * Absolute writes.
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufWriteAt(&mb, 0, &samples8, sizeof(samples8), &written));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufWriteAt(&mb, 0, &samples16, sizeof(samples16), &written));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufWriteAt(&mb, 2, &samples32, sizeof(samples32), &written));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync /* Beyond buffer. */
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC(audioMixBufWriteAt(&mb, audioMixBufSize(&mb) + 1, &samples16, sizeof(samples16),
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * Circular writes.
174f3dff60f96d89b320f9a322307118676db1dbvboxsync size_t cToWrite = audioMixBufSize(&mb) - written_abs - 1; /* -1 as padding plus -2 samples for above. */
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufWriteCirc(&mb, &samples16, sizeof(samples16), &written));
db94fecc00a8f4c417d57b00d6724457fd31c093vboxsync RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, 1U));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufProcessed(&mb) == cToWrite + written_abs /* + last absolute write */);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufWriteCirc(&mb, &samples16, sizeof(samples16), &written));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, 0));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufProcessed(&mb) == cBufSize);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync /* Circular reads. */
174f3dff60f96d89b320f9a322307118676db1dbvboxsync size_t cToRead = audioMixBufSize(&mb) - written_abs - 1;
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufReadCirc(&mb, &samples16, sizeof(samples16), &read));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufFree(&mb) == audioMixBufSize(&mb) - written_abs - 1);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, cBufSize - written_abs - 1));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufProcessed(&mb) == cBufSize - cToRead + written_abs);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufReadCirc(&mb, &samples16, sizeof(samples16), &read));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufFree(&mb) == cBufSize - written_abs);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufFreeBytes(&mb) == AUDIOMIXBUF_S2B(&mb, cBufSize - written_abs));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK(audioMixBufProcessed(&mb) == written_abs);
174f3dff60f96d89b320f9a322307118676db1dbvboxsync return RTTestSubErrorCount(hTest) ? VERR_GENERAL_FAILURE : VINF_SUCCESS;
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufInit(&parent, "Parent", &props, cBufSize));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync PDMAUDIOSTREAMCFG cfg_c1 = /* Upmixing to parent */
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufInit(&child1, "Child1", &props, cBufSize));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufLinkTo(&child1, &parent));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync PDMAUDIOSTREAMCFG cfg_c2 = /* Downmixing to parent */
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufInit(&child2, "Child2", &props, cBufSize));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync RTTESTI_CHECK_RC_OK(audioMixBufLinkTo(&child2, &parent));
b2cb7a03a79ad2e40f4e470acbc87881781e798evboxsync * Writing + mixing from child/children -> parent, sequential.
5281ff0370e0f0639507405007e100014e1f1e71vboxsync for (uint32_t i = 0; i < t; i++)
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTestPrintf(hTest, RTTESTLVL_DEBUG, "i=%RU32\n", i);
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_RC_OK_BREAK(audioMixBufWriteAt(&child1, 0, &samples, sizeof(samples), &written));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_MSG_BREAK(written == cSamplesChild1, ("Child1: Expected %RU32 written samples, got %RU32\n", cSamplesChild1, written));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_RC_OK_BREAK(audioMixBufMixToParent(&child1, written, &mixed));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync temp = audioMixBufProcessed(&parent) - audioMixBufMixed(&child2);
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_MSG_BREAK(audioMixBufMixed(&child1) == temp, ("Child1: Expected %RU32 mixed samples, got %RU32\n", audioMixBufMixed(&child1), temp));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_RC_OK_BREAK(audioMixBufWriteAt(&child2, 0, &samples, sizeof(samples), &written));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_MSG_BREAK(written == cSamplesChild2, ("Child2: Expected %RU32 written samples, got %RU32\n", cSamplesChild2, written));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_RC_OK_BREAK(audioMixBufMixToParent(&child2, written, &mixed));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync temp = audioMixBufProcessed(&parent) - audioMixBufMixed(&child1);
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_MSG_BREAK(audioMixBufMixed(&child2) == temp, ("Child2: Expected %RU32 mixed samples, got %RU32\n", audioMixBufMixed(&child2), temp));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK(audioMixBufProcessed(&parent) == audioMixBufMixed(&child1) + audioMixBufMixed(&child2));
5281ff0370e0f0639507405007e100014e1f1e71vboxsync RTTESTI_CHECK_RC_OK_BREAK(audioMixBufReadCirc(&parent, pvBuf, cbBuf, &read));
174f3dff60f96d89b320f9a322307118676db1dbvboxsync return RTTestSubErrorCount(hTest) ? VERR_GENERAL_FAILURE : VINF_SUCCESS;
174f3dff60f96d89b320f9a322307118676db1dbvboxsync * Initialize IPRT and create the test.
174f3dff60f96d89b320f9a322307118676db1dbvboxsync int rc = RTTestInitAndCreate("tstAudioMixBuffer", &hTest);