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Bug 791269 - dlopen opensl library, r=kinetik

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This commit is contained in:
Michael Wu 2012-09-15 15:52:34 -04:00
parent 21e917a1e7
commit 74b74d66d7
2 changed files with 43 additions and 14 deletions
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51
media/libcubeb/src/cubeb_opensl.c
View File

@ -7,10 +7,15 @@
#undef NDEBUG
#include "cubeb/cubeb.h"
#include <assert.h>
#include <dlfcn.h>
#include <stdlib.h>
#include <SLES/OpenSLES.h>
struct cubeb {
void * lib;
SLInterfaceID SL_IID_OUTPUTMIX;
SLInterfaceID SL_IID_BUFFERQUEUE;
SLInterfaceID SL_IID_PLAY;
SLObjectItf engObj;
SLEngineItf eng;
};
@ -82,18 +87,46 @@ cubeb_init(cubeb ** context, char const * context_name)
ctx = calloc(1, sizeof(*ctx));
assert(ctx);
ctx->lib = dlopen("libOpenSLES.so", RTLD_LAZY);
if (!ctx->lib) {
free(ctx);
return CUBEB_ERROR;
}
typedef SLresult (*slCreateEngine_t)(SLObjectItf *,
SLuint32,
const SLEngineOption *,
SLuint32,
const SLInterfaceID *,
const SLboolean *);
slCreateEngine_t f_slCreateEngine =
(slCreateEngine_t)dlsym(ctx->lib, "slCreateEngine");
SLInterfaceID SL_IID_ENGINE = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_ENGINE");
ctx->SL_IID_OUTPUTMIX = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_OUTPUTMIX");
ctx->SL_IID_BUFFERQUEUE = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_BUFFERQUEUE");
ctx->SL_IID_PLAY = *(SLInterfaceID *)dlsym(ctx->lib, "SL_IID_PLAY");
if (!f_slCreateEngine ||
!SL_IID_ENGINE ||
!ctx->SL_IID_OUTPUTMIX ||
!ctx->SL_IID_BUFFERQUEUE ||
!ctx->SL_IID_PLAY) {
cubeb_destroy(ctx);
return CUBEB_ERROR;
}
const SLEngineOption opt[] = {{SL_ENGINEOPTION_THREADSAFE, SL_BOOLEAN_TRUE}};
SLresult res;
res = slCreateEngine(&ctx->engObj, 1, opt, 0, NULL, NULL);
res = f_slCreateEngine(&ctx->engObj, 1, opt, 0, NULL, NULL);
if (res != SL_RESULT_SUCCESS) {
free(ctx);
cubeb_destroy(ctx);
return CUBEB_ERROR;
}
res = (*ctx->engObj)->Realize(ctx->engObj, SL_BOOLEAN_FALSE);
if (res != SL_RESULT_SUCCESS) {
free(ctx);
cubeb_destroy(ctx);
return CUBEB_ERROR;
}
@ -117,7 +150,9 @@ cubeb_get_backend_id(cubeb * ctx)
void
cubeb_destroy(cubeb * ctx)
{
(*ctx->engObj)->Destroy(ctx->engObj);
dlclose(ctx->lib);
if (ctx->engObj)
(*ctx->engObj)->Destroy(ctx->engObj);
free(ctx);
}
@ -188,7 +223,7 @@ cubeb_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name,
source.pFormat = &format;
SLresult res;
const SLInterfaceID idsom[] = {SL_IID_OUTPUTMIX};
const SLInterfaceID idsom[] = {ctx->SL_IID_OUTPUTMIX};
const SLboolean reqom[] = {SL_BOOLEAN_TRUE};
res = (*ctx->eng)->CreateOutputMix(ctx->eng, &stm->outmixObj, 1, idsom, reqom);
if (res != SL_RESULT_SUCCESS) {
@ -209,7 +244,7 @@ cubeb_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name,
sink.pLocator = &loc_outmix;
sink.pFormat = NULL;
const SLInterfaceID ids[] = {SL_IID_BUFFERQUEUE};
const SLInterfaceID ids[] = {ctx->SL_IID_BUFFERQUEUE};
const SLboolean req[] = {SL_BOOLEAN_TRUE};
res = (*ctx->eng)->CreateAudioPlayer(ctx->eng, &stm->playerObj,
&source, &sink, 1, ids, req);
@ -224,13 +259,13 @@ cubeb_stream_init(cubeb * ctx, cubeb_stream ** stream, char const * stream_name,
return CUBEB_ERROR;
}
res = (*stm->playerObj)->GetInterface(stm->playerObj, SL_IID_PLAY, &stm->play);
res = (*stm->playerObj)->GetInterface(stm->playerObj, ctx->SL_IID_PLAY, &stm->play);
if (res != SL_RESULT_SUCCESS) {
cubeb_stream_destroy(stm);
return CUBEB_ERROR;
}
res = (*stm->playerObj)->GetInterface(stm->playerObj, SL_IID_BUFFERQUEUE,
res = (*stm->playerObj)->GetInterface(stm->playerObj, ctx->SL_IID_BUFFERQUEUE,
&stm->bufq);
if (res != SL_RESULT_SUCCESS) {
cubeb_stream_destroy(stm);

6
toolkit/library/Makefile.in
View File

@ -410,12 +410,6 @@ OS_LIBS += \
-lsensorservice \
-ldbus \
$(NULL)
ifdef MOZ_CUBEB
OS_LIBS += \
-lOpenSLES \
$(NULL)
endif
endif
EXTRA_DEPS += \