diff options
author | Liong Sauw Ming <ming@teluu.com> | 2016-03-10 05:02:07 +0000 |
---|---|---|
committer | Liong Sauw Ming <ming@teluu.com> | 2016-03-10 05:02:07 +0000 |
commit | 70231deed2aa68e30657db5434cfdbcd320373c7 (patch) | |
tree | 09c1244d82cd75f834627e85fddc3cebedb3de36 /pjmedia/src | |
parent | 3e3ec82e1a43ba8cafa4ccaea98f51f1f282063b (diff) |
Fixed #1907: Remove pjmedia* circular dependency
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@5255 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjmedia/src')
-rw-r--r-- | pjmedia/src/pjmedia-audiodev/audiodev.c | 703 | ||||
-rw-r--r-- | pjmedia/src/pjmedia-videodev/videodev.c | 757 | ||||
-rw-r--r-- | pjmedia/src/pjmedia/audiodev.c | 628 | ||||
-rw-r--r-- | pjmedia/src/pjmedia/endpoint.c | 27 | ||||
-rw-r--r-- | pjmedia/src/pjmedia/sound_legacy.c | 17 | ||||
-rw-r--r-- | pjmedia/src/pjmedia/videodev.c | 699 |
6 files changed, 1426 insertions, 1405 deletions
diff --git a/pjmedia/src/pjmedia-audiodev/audiodev.c b/pjmedia/src/pjmedia-audiodev/audiodev.c index f747373e..e28bf318 100644 --- a/pjmedia/src/pjmedia-audiodev/audiodev.c +++ b/pjmedia/src/pjmedia-audiodev/audiodev.c @@ -19,51 +19,9 @@ */ #include <pjmedia-audiodev/audiodev_imp.h> #include <pj/assert.h> -#include <pj/errno.h> -#include <pj/log.h> -#include <pj/pool.h> -#include <pj/string.h> #define THIS_FILE "audiodev.c" -#define DEFINE_CAP(name, info) {name, info} - -/* Capability names */ -static struct cap_info -{ - const char *name; - const char *info; -} cap_infos[] = -{ - DEFINE_CAP("ext-fmt", "Extended/non-PCM format"), - DEFINE_CAP("latency-in", "Input latency/buffer size setting"), - DEFINE_CAP("latency-out", "Output latency/buffer size setting"), - DEFINE_CAP("vol-in", "Input volume setting"), - DEFINE_CAP("vol-out", "Output volume setting"), - DEFINE_CAP("meter-in", "Input meter"), - DEFINE_CAP("meter-out", "Output meter"), - DEFINE_CAP("route-in", "Input routing"), - DEFINE_CAP("route-out", "Output routing"), - DEFINE_CAP("aec", "Accoustic echo cancellation"), - DEFINE_CAP("aec-tail", "Tail length setting for AEC"), - DEFINE_CAP("vad", "Voice activity detection"), - DEFINE_CAP("cng", "Comfort noise generation"), - DEFINE_CAP("plg", "Packet loss concealment") -}; - - -/* - * The device index seen by application and driver is different. - * - * At application level, device index is index to global list of device. - * At driver level, device index is index to device list on that particular - * factory only. - */ -#define MAKE_DEV_ID(f_id, index) (((f_id & 0xFFFF) << 16) | (index & 0xFFFF)) -#define GET_INDEX(dev_id) ((dev_id) & 0xFFFF) -#define GET_FID(dev_id) ((dev_id) >> 16) -#define DEFAULT_DEV_ID 0 - /* extern functions to create factories */ #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO @@ -114,285 +72,18 @@ pjmedia_aud_dev_factory* pjmedia_symb_mda_factory(pj_pool_factory *pf); pjmedia_aud_dev_factory* pjmedia_null_audio_factory(pj_pool_factory *pf); #endif -#define MAX_DRIVERS 16 -#define MAX_DEVS 64 - - -/* driver structure */ -struct driver -{ - /* Creation function */ - pjmedia_aud_dev_factory_create_func_ptr create; - /* Factory instance */ - pjmedia_aud_dev_factory *f; - char name[32]; /* Driver name */ - unsigned dev_cnt; /* Number of devices */ - unsigned start_idx; /* Start index in global list */ - int rec_dev_idx;/* Default capture device. */ - int play_dev_idx;/* Default playback device */ - int dev_idx; /* Default device. */ -}; - -/* The audio subsystem */ -static struct aud_subsys -{ - unsigned init_count; /* How many times init() is called */ - pj_pool_factory *pf; /* The pool factory. */ - - unsigned drv_cnt; /* Number of drivers. */ - struct driver drv[MAX_DRIVERS]; /* Array of drivers. */ - - unsigned dev_cnt; /* Total number of devices. */ - pj_uint32_t dev_list[MAX_DEVS];/* Array of device IDs. */ - -} aud_subsys; - -/* API: get capability name/info */ -PJ_DEF(const char*) pjmedia_aud_dev_cap_name(pjmedia_aud_dev_cap cap, - const char **p_desc) -{ - const char *desc; - unsigned i; - - if (p_desc==NULL) p_desc = &desc; - - for (i=0; i<PJ_ARRAY_SIZE(cap_infos); ++i) { - if ((1 << i)==cap) - break; - } - - if (i==PJ_ARRAY_SIZE(cap_infos)) { - *p_desc = "??"; - return "??"; - } - - *p_desc = cap_infos[i].info; - return cap_infos[i].name; -} - -static pj_status_t get_cap_pointer(const pjmedia_aud_param *param, - pjmedia_aud_dev_cap cap, - void **ptr, - unsigned *size) -{ -#define FIELD_INFO(name) *ptr = (void*)¶m->name; \ - *size = sizeof(param->name) - - switch (cap) { - case PJMEDIA_AUD_DEV_CAP_EXT_FORMAT: - FIELD_INFO(ext_fmt); - break; - case PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY: - FIELD_INFO(input_latency_ms); - break; - case PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY: - FIELD_INFO(output_latency_ms); - break; - case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: - FIELD_INFO(input_vol); - break; - case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: - FIELD_INFO(output_vol); - break; - case PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE: - FIELD_INFO(input_route); - break; - case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: - FIELD_INFO(output_route); - break; - case PJMEDIA_AUD_DEV_CAP_EC: - FIELD_INFO(ec_enabled); - break; - case PJMEDIA_AUD_DEV_CAP_EC_TAIL: - FIELD_INFO(ec_tail_ms); - break; - /* vad is no longer in "fmt" in 2.0. - case PJMEDIA_AUD_DEV_CAP_VAD: - FIELD_INFO(ext_fmt.vad); - break; - */ - case PJMEDIA_AUD_DEV_CAP_CNG: - FIELD_INFO(cng_enabled); - break; - case PJMEDIA_AUD_DEV_CAP_PLC: - FIELD_INFO(plc_enabled); - break; - default: - return PJMEDIA_EAUD_INVCAP; - } - -#undef FIELD_INFO - - return PJ_SUCCESS; -} - -/* API: set cap value to param */ -PJ_DEF(pj_status_t) pjmedia_aud_param_set_cap( pjmedia_aud_param *param, - pjmedia_aud_dev_cap cap, - const void *pval) -{ - void *cap_ptr; - unsigned cap_size; - pj_status_t status; - - status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); - if (status != PJ_SUCCESS) - return status; - - pj_memcpy(cap_ptr, pval, cap_size); - param->flags |= cap; - - return PJ_SUCCESS; -} - -/* API: get cap value from param */ -PJ_DEF(pj_status_t) pjmedia_aud_param_get_cap( const pjmedia_aud_param *param, - pjmedia_aud_dev_cap cap, - void *pval) -{ - void *cap_ptr; - unsigned cap_size; - pj_status_t status; - - status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); - if (status != PJ_SUCCESS) - return status; - - if ((param->flags & cap) == 0) { - pj_bzero(cap_ptr, cap_size); - return PJMEDIA_EAUD_INVCAP; - } - - pj_memcpy(pval, cap_ptr, cap_size); - return PJ_SUCCESS; -} - -/* Internal: init driver */ -static pj_status_t init_driver(unsigned drv_idx, pj_bool_t refresh) -{ - struct driver *drv = &aud_subsys.drv[drv_idx]; - pjmedia_aud_dev_factory *f; - unsigned i, dev_cnt; - pj_status_t status; - - if (!refresh && drv->create) { - /* Create the factory */ - f = (*drv->create)(aud_subsys.pf); - if (!f) - return PJ_EUNKNOWN; - - /* Call factory->init() */ - status = f->op->init(f); - if (status != PJ_SUCCESS) { - f->op->destroy(f); - return status; - } - } else { - f = drv->f; - } - - if (!f) - return PJ_EUNKNOWN; - - /* Get number of devices */ - dev_cnt = f->op->get_dev_count(f); - if (dev_cnt + aud_subsys.dev_cnt > MAX_DEVS) { - PJ_LOG(4,(THIS_FILE, "%d device(s) cannot be registered because" - " there are too many devices", - aud_subsys.dev_cnt + dev_cnt - MAX_DEVS)); - dev_cnt = MAX_DEVS - aud_subsys.dev_cnt; - } - - /* enabling this will cause pjsua-lib initialization to fail when there - * is no sound device installed in the system, even when pjsua has been - * run with --null-audio - * - if (dev_cnt == 0) { - f->op->destroy(f); - return PJMEDIA_EAUD_NODEV; - } - */ - - /* Fill in default devices */ - drv->play_dev_idx = drv->rec_dev_idx = - drv->dev_idx = PJMEDIA_AUD_INVALID_DEV; - for (i=0; i<dev_cnt; ++i) { - pjmedia_aud_dev_info info; - - status = f->op->get_dev_info(f, i, &info); - if (status != PJ_SUCCESS) { - f->op->destroy(f); - return status; - } - - if (drv->name[0]=='\0') { - /* Set driver name */ - pj_ansi_strncpy(drv->name, info.driver, sizeof(drv->name)); - drv->name[sizeof(drv->name)-1] = '\0'; - } - - if (drv->play_dev_idx < 0 && info.output_count) { - /* Set default playback device */ - drv->play_dev_idx = i; - } - if (drv->rec_dev_idx < 0 && info.input_count) { - /* Set default capture device */ - drv->rec_dev_idx = i; - } - if (drv->dev_idx < 0 && info.input_count && - info.output_count) - { - /* Set default capture and playback device */ - drv->dev_idx = i; - } - - if (drv->play_dev_idx >= 0 && drv->rec_dev_idx >= 0 && - drv->dev_idx >= 0) - { - /* Done. */ - break; - } - } - - /* Register the factory */ - drv->f = f; - drv->f->sys.drv_idx = drv_idx; - drv->start_idx = aud_subsys.dev_cnt; - drv->dev_cnt = dev_cnt; - - /* Register devices to global list */ - for (i=0; i<dev_cnt; ++i) { - aud_subsys.dev_list[aud_subsys.dev_cnt++] = MAKE_DEV_ID(drv_idx, i); - } - - return PJ_SUCCESS; -} - -/* Internal: deinit driver */ -static void deinit_driver(unsigned drv_idx) -{ - struct driver *drv = &aud_subsys.drv[drv_idx]; - - if (drv->f) { - drv->f->op->destroy(drv->f); - drv->f = NULL; - } - - pj_bzero(drv, sizeof(*drv)); - drv->play_dev_idx = drv->rec_dev_idx = - drv->dev_idx = PJMEDIA_AUD_INVALID_DEV; -} /* API: Initialize the audio subsystem. */ PJ_DEF(pj_status_t) pjmedia_aud_subsys_init(pj_pool_factory *pf) { unsigned i; pj_status_t status; + pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys(); /* Allow init() to be called multiple times as long as there is matching * number of shutdown(). */ - if (aud_subsys.init_count++ != 0) { + if (aud_subsys->init_count++ != 0) { return PJ_SUCCESS; } @@ -403,58 +94,58 @@ PJ_DEF(pj_status_t) pjmedia_aud_subsys_init(pj_pool_factory *pf) pj_assert(status == PJ_SUCCESS); /* Init */ - aud_subsys.pf = pf; - aud_subsys.drv_cnt = 0; - aud_subsys.dev_cnt = 0; + aud_subsys->pf = pf; + aud_subsys->drv_cnt = 0; + aud_subsys->dev_cnt = 0; /* Register creation functions */ #if PJMEDIA_AUDIO_DEV_HAS_OPENSL - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_opensl_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_opensl_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_ANDROID_JNI - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_android_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_android_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_BB10 - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_bb10_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_bb10_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_ALSA - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_alsa_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_alsa_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_COREAUDIO - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_coreaudio_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_coreaudio_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_PORTAUDIO - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_pa_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_pa_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_WMME - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_wmme_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_wmme_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_BDIMAD - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_bdimad_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_bdimad_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_SYMB_VAS - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_symb_vas_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_symb_vas_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_SYMB_APS - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_aps_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_aps_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_SYMB_MDA - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_symb_mda_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_symb_mda_factory; #endif #if PJMEDIA_AUDIO_DEV_HAS_NULL_AUDIO - aud_subsys.drv[aud_subsys.drv_cnt++].create = &pjmedia_null_audio_factory; + aud_subsys->drv[aud_subsys->drv_cnt++].create = &pjmedia_null_audio_factory; #endif /* Initialize each factory and build the device ID list */ - for (i=0; i<aud_subsys.drv_cnt; ++i) { - status = init_driver(i, PJ_FALSE); + for (i=0; i<aud_subsys->drv_cnt; ++i) { + status = pjmedia_aud_driver_init(i, PJ_FALSE); if (status != PJ_SUCCESS) { - deinit_driver(i); + pjmedia_aud_driver_deinit(i); continue; } } - return aud_subsys.dev_cnt ? PJ_SUCCESS : status; + return aud_subsys->dev_cnt ? PJ_SUCCESS : status; } /* API: register an audio device factory to the audio subsystem. */ @@ -462,16 +153,17 @@ PJ_DEF(pj_status_t) pjmedia_aud_register_factory(pjmedia_aud_dev_factory_create_func_ptr adf) { pj_status_t status; + pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys(); - if (aud_subsys.init_count == 0) + if (aud_subsys->init_count == 0) return PJMEDIA_EAUD_INIT; - aud_subsys.drv[aud_subsys.drv_cnt].create = adf; - status = init_driver(aud_subsys.drv_cnt, PJ_FALSE); + aud_subsys->drv[aud_subsys->drv_cnt].create = adf; + status = pjmedia_aud_driver_init(aud_subsys->drv_cnt, PJ_FALSE); if (status == PJ_SUCCESS) { - aud_subsys.drv_cnt++; + aud_subsys->drv_cnt++; } else { - deinit_driver(aud_subsys.drv_cnt); + pjmedia_aud_driver_deinit(aud_subsys->drv_cnt); } return status; @@ -482,20 +174,21 @@ PJ_DEF(pj_status_t) pjmedia_aud_unregister_factory(pjmedia_aud_dev_factory_create_func_ptr adf) { unsigned i, j; + pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys(); - if (aud_subsys.init_count == 0) + if (aud_subsys->init_count == 0) return PJMEDIA_EAUD_INIT; - for (i=0; i<aud_subsys.drv_cnt; ++i) { - struct driver *drv = &aud_subsys.drv[i]; + for (i=0; i<aud_subsys->drv_cnt; ++i) { + pjmedia_aud_driver *drv = &aud_subsys->drv[i]; if (drv->create == adf) { for (j = drv->start_idx; j < drv->start_idx + drv->dev_cnt; j++) { - aud_subsys.dev_list[j] = (pj_uint32_t)PJMEDIA_AUD_INVALID_DEV; + aud_subsys->dev_list[j] = (pj_uint32_t)PJMEDIA_AUD_INVALID_DEV; } - deinit_driver(i); + pjmedia_aud_driver_deinit(i); return PJ_SUCCESS; } } @@ -506,342 +199,30 @@ pjmedia_aud_unregister_factory(pjmedia_aud_dev_factory_create_func_ptr adf) /* API: get the pool factory registered to the audio subsystem. */ PJ_DEF(pj_pool_factory*) pjmedia_aud_subsys_get_pool_factory(void) { - return aud_subsys.pf; + pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys(); + return aud_subsys->pf; } /* API: Shutdown the audio subsystem. */ PJ_DEF(pj_status_t) pjmedia_aud_subsys_shutdown(void) { unsigned i; + pjmedia_aud_subsys *aud_subsys = pjmedia_get_aud_subsys(); /* Allow shutdown() to be called multiple times as long as there is matching * number of init(). */ - if (aud_subsys.init_count == 0) { - return PJ_SUCCESS; - } - --aud_subsys.init_count; - - if (aud_subsys.init_count == 0) { - for (i=0; i<aud_subsys.drv_cnt; ++i) { - deinit_driver(i); - } - - aud_subsys.pf = NULL; - } - return PJ_SUCCESS; -} - -/* API: Refresh the list of sound devices installed in the system. */ -PJ_DEF(pj_status_t) pjmedia_aud_dev_refresh(void) -{ - unsigned i; - - aud_subsys.dev_cnt = 0; - for (i=0; i<aud_subsys.drv_cnt; ++i) { - struct driver *drv = &aud_subsys.drv[i]; - - if (drv->f && drv->f->op->refresh) { - pj_status_t status = drv->f->op->refresh(drv->f); - if (status != PJ_SUCCESS) { - PJ_PERROR(4, (THIS_FILE, status, "Unable to refresh device " - "list for %s", drv->name)); - } - } - init_driver(i, PJ_TRUE); - } - return PJ_SUCCESS; -} - -/* API: Get the number of sound devices installed in the system. */ -PJ_DEF(unsigned) pjmedia_aud_dev_count(void) -{ - return aud_subsys.dev_cnt; -} - -/* Internal: convert local index to global device index */ -static pj_status_t make_global_index(unsigned drv_idx, - pjmedia_aud_dev_index *id) -{ - if (*id < 0) { + if (aud_subsys->init_count == 0) { return PJ_SUCCESS; } + --aud_subsys->init_count; - /* Check that factory still exists */ - PJ_ASSERT_RETURN(aud_subsys.drv[drv_idx].f, PJ_EBUG); - - /* Check that device index is valid */ - PJ_ASSERT_RETURN(*id>=0 && *id<(int)aud_subsys.drv[drv_idx].dev_cnt, - PJ_EBUG); - - *id += aud_subsys.drv[drv_idx].start_idx; - return PJ_SUCCESS; -} - -/* Internal: lookup device id */ -static pj_status_t lookup_dev(pjmedia_aud_dev_index id, - pjmedia_aud_dev_factory **p_f, - unsigned *p_local_index) -{ - int f_id, index; - - if (id < 0) { - unsigned i; - - if (id == PJMEDIA_AUD_INVALID_DEV) - return PJMEDIA_EAUD_INVDEV; - - for (i=0; i<aud_subsys.drv_cnt; ++i) { - struct driver *drv = &aud_subsys.drv[i]; - if (drv->dev_idx >= 0) { - id = drv->dev_idx; - make_global_index(i, &id); - break; - } else if (id==PJMEDIA_AUD_DEFAULT_CAPTURE_DEV && - drv->rec_dev_idx >= 0) - { - id = drv->rec_dev_idx; - make_global_index(i, &id); - break; - } else if (id==PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV && - drv->play_dev_idx >= 0) - { - id = drv->play_dev_idx; - make_global_index(i, &id); - break; - } - } - - if (id < 0) { - return PJMEDIA_EAUD_NODEFDEV; + if (aud_subsys->init_count == 0) { + for (i=0; i<aud_subsys->drv_cnt; ++i) { + pjmedia_aud_driver_deinit(i); } - } - - f_id = GET_FID(aud_subsys.dev_list[id]); - index = GET_INDEX(aud_subsys.dev_list[id]); - - if (f_id < 0 || f_id >= (int)aud_subsys.drv_cnt) - return PJMEDIA_EAUD_INVDEV; - - if (index < 0 || index >= (int)aud_subsys.drv[f_id].dev_cnt) - return PJMEDIA_EAUD_INVDEV; - - *p_f = aud_subsys.drv[f_id].f; - *p_local_index = (unsigned)index; - - return PJ_SUCCESS; - -} - -/* API: Get device information. */ -PJ_DEF(pj_status_t) pjmedia_aud_dev_get_info(pjmedia_aud_dev_index id, - pjmedia_aud_dev_info *info) -{ - pjmedia_aud_dev_factory *f; - unsigned index; - pj_status_t status; - - PJ_ASSERT_RETURN(info && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); - PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); - - status = lookup_dev(id, &f, &index); - if (status != PJ_SUCCESS) - return status; - - return f->op->get_dev_info(f, index, info); -} - -/* API: find device */ -PJ_DEF(pj_status_t) pjmedia_aud_dev_lookup( const char *drv_name, - const char *dev_name, - pjmedia_aud_dev_index *id) -{ - pjmedia_aud_dev_factory *f = NULL; - unsigned drv_idx, dev_idx; - - PJ_ASSERT_RETURN(drv_name && dev_name && id, PJ_EINVAL); - PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); - - for (drv_idx=0; drv_idx<aud_subsys.drv_cnt; ++drv_idx) { - if (!pj_ansi_stricmp(drv_name, aud_subsys.drv[drv_idx].name)) { - f = aud_subsys.drv[drv_idx].f; - break; - } - } - - if (!f) - return PJ_ENOTFOUND; - - for (dev_idx=0; dev_idx<aud_subsys.drv[drv_idx].dev_cnt; ++dev_idx) { - pjmedia_aud_dev_info info; - pj_status_t status; - - status = f->op->get_dev_info(f, dev_idx, &info); - if (status != PJ_SUCCESS) - return status; - - if (!pj_ansi_stricmp(dev_name, info.name)) - break; - } - - if (dev_idx==aud_subsys.drv[drv_idx].dev_cnt) - return PJ_ENOTFOUND; - - *id = dev_idx; - make_global_index(drv_idx, id); - - return PJ_SUCCESS; -} - -/* API: Initialize the audio device parameters with default values for the - * specified device. - */ -PJ_DEF(pj_status_t) pjmedia_aud_dev_default_param(pjmedia_aud_dev_index id, - pjmedia_aud_param *param) -{ - pjmedia_aud_dev_factory *f; - unsigned index; - pj_status_t status; - - PJ_ASSERT_RETURN(param && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); - PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); - - status = lookup_dev(id, &f, &index); - if (status != PJ_SUCCESS) - return status; - - status = f->op->default_param(f, index, param); - if (status != PJ_SUCCESS) - return status; - - /* Normalize device IDs */ - make_global_index(f->sys.drv_idx, ¶m->rec_id); - make_global_index(f->sys.drv_idx, ¶m->play_id); - - return PJ_SUCCESS; -} - -/* API: Open audio stream object using the specified parameters. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_create(const pjmedia_aud_param *prm, - pjmedia_aud_rec_cb rec_cb, - pjmedia_aud_play_cb play_cb, - void *user_data, - pjmedia_aud_stream **p_aud_strm) -{ - pjmedia_aud_dev_factory *rec_f=NULL, *play_f=NULL, *f=NULL; - pjmedia_aud_param param; - pj_status_t status; - - PJ_ASSERT_RETURN(prm && prm->dir && p_aud_strm, PJ_EINVAL); - PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); - PJ_ASSERT_RETURN(prm->dir==PJMEDIA_DIR_CAPTURE || - prm->dir==PJMEDIA_DIR_PLAYBACK || - prm->dir==PJMEDIA_DIR_CAPTURE_PLAYBACK, - PJ_EINVAL); - - /* Must make copy of param because we're changing device ID */ - pj_memcpy(¶m, prm, sizeof(param)); - /* Normalize rec_id */ - if (param.dir & PJMEDIA_DIR_CAPTURE) { - unsigned index; - - if (param.rec_id < 0) - param.rec_id = PJMEDIA_AUD_DEFAULT_CAPTURE_DEV; - - status = lookup_dev(param.rec_id, &rec_f, &index); - if (status != PJ_SUCCESS) - return status; - - param.rec_id = index; - f = rec_f; + aud_subsys->pf = NULL; } - - /* Normalize play_id */ - if (param.dir & PJMEDIA_DIR_PLAYBACK) { - unsigned index; - - if (param.play_id < 0) - param.play_id = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV; - - status = lookup_dev(param.play_id, &play_f, &index); - if (status != PJ_SUCCESS) - return status; - - param.play_id = index; - f = play_f; - } - - PJ_ASSERT_RETURN(f != NULL, PJ_EBUG); - - /* For now, rec_id and play_id must belong to the same factory */ - PJ_ASSERT_RETURN((param.dir != PJMEDIA_DIR_CAPTURE_PLAYBACK) || - (rec_f == play_f), - PJMEDIA_EAUD_INVDEV); - - /* Create the stream */ - status = f->op->create_stream(f, ¶m, rec_cb, play_cb, - user_data, p_aud_strm); - if (status != PJ_SUCCESS) - return status; - - /* Assign factory id to the stream */ - (*p_aud_strm)->sys.drv_idx = f->sys.drv_idx; return PJ_SUCCESS; } - -/* API: Get the running parameters for the specified audio stream. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_get_param(pjmedia_aud_stream *strm, - pjmedia_aud_param *param) -{ - pj_status_t status; - - PJ_ASSERT_RETURN(strm && param, PJ_EINVAL); - PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); - - status = strm->op->get_param(strm, param); - if (status != PJ_SUCCESS) - return status; - - /* Normalize device id's */ - make_global_index(strm->sys.drv_idx, ¶m->rec_id); - make_global_index(strm->sys.drv_idx, ¶m->play_id); - - return PJ_SUCCESS; -} - -/* API: Get the value of a specific capability of the audio stream. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_get_cap(pjmedia_aud_stream *strm, - pjmedia_aud_dev_cap cap, - void *value) -{ - return strm->op->get_cap(strm, cap, value); -} - -/* API: Set the value of a specific capability of the audio stream. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_set_cap(pjmedia_aud_stream *strm, - pjmedia_aud_dev_cap cap, - const void *value) -{ - return strm->op->set_cap(strm, cap, value); -} - -/* API: Start the stream. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_start(pjmedia_aud_stream *strm) -{ - return strm->op->start(strm); -} - -/* API: Stop the stream. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_stop(pjmedia_aud_stream *strm) -{ - return strm->op->stop(strm); -} - -/* API: Destroy the stream. */ -PJ_DEF(pj_status_t) pjmedia_aud_stream_destroy(pjmedia_aud_stream *strm) -{ - return strm->op->destroy(strm); -} - - diff --git a/pjmedia/src/pjmedia-videodev/videodev.c b/pjmedia/src/pjmedia-videodev/videodev.c index 8558588d..1d560975 100644 --- a/pjmedia/src/pjmedia-videodev/videodev.c +++ b/pjmedia/src/pjmedia-videodev/videodev.c @@ -18,10 +18,6 @@ */ #include <pjmedia-videodev/videodev_imp.h> #include <pj/assert.h> -#include <pj/errno.h> -#include <pj/log.h> -#include <pj/pool.h> -#include <pj/string.h> #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) @@ -29,40 +25,6 @@ #define THIS_FILE "videodev.c" -#define DEFINE_CAP(name, info) {name, info} - -/* Capability names */ -static struct cap_info -{ - const char *name; - const char *info; -} cap_infos[] = -{ - DEFINE_CAP("format", "Video format"), - DEFINE_CAP("scale", "Input dimension"), - DEFINE_CAP("window", "Window handle"), - DEFINE_CAP("resize", "Renderer resize"), - DEFINE_CAP("position", "Renderer position"), - DEFINE_CAP("hide", "Renderer hide"), - DEFINE_CAP("preview", "Input preview"), - DEFINE_CAP("orientation", "Video orientation"), - DEFINE_CAP("switch", "Switch device"), - DEFINE_CAP("wndflags", "Window flags") -}; - - -/* - * The device index seen by application and driver is different. - * - * At application level, device index is index to global list of device. - * At driver level, device index is index to device list on that particular - * factory only. - */ -#define MAKE_DEV_ID(f_id, index) (((f_id & 0xFFFF) << 16) | (index & 0xFFFF)) -#define GET_INDEX(dev_id) ((dev_id) & 0xFFFF) -#define GET_FID(dev_id) ((dev_id) >> 16) -#define DEFAULT_DEV_ID 0 - /* extern functions to create factories */ #if PJMEDIA_VIDEO_DEV_HAS_NULL_VIDEO @@ -109,262 +71,17 @@ pjmedia_vid_dev_factory* pjmedia_and_factory(pj_pool_factory *pf); #define MAX_DEVS PJMEDIA_VID_DEV_MAX_DEVS -/* driver structure */ -struct driver -{ - /* Creation function */ - pjmedia_vid_dev_factory_create_func_ptr create; - /* Factory instance */ - pjmedia_vid_dev_factory *f; - char name[32]; /* Driver name */ - unsigned dev_cnt; /* Number of devices */ - unsigned start_idx; /* Start index in global list */ - int cap_dev_idx; /* Default capture device. */ - int rend_dev_idx; /* Default render device */ -}; - -/* The video device subsystem */ -static struct vid_subsys -{ - unsigned init_count; /* How many times init() is called */ - pj_pool_factory *pf; /* The pool factory. */ - - unsigned drv_cnt; /* Number of drivers. */ - struct driver drv[MAX_DRIVERS]; /* Array of drivers. */ - - unsigned dev_cnt; /* Total number of devices. */ - pj_uint32_t dev_list[MAX_DEVS];/* Array of device IDs. */ - -} vid_subsys; - -/* API: get capability name/info */ -PJ_DEF(const char*) pjmedia_vid_dev_cap_name(pjmedia_vid_dev_cap cap, - const char **p_desc) -{ - const char *desc; - unsigned i; - - if (p_desc==NULL) p_desc = &desc; - - for (i=0; i<PJ_ARRAY_SIZE(cap_infos); ++i) { - if ((1 << i)==cap) - break; - } - - if (i==PJ_ARRAY_SIZE(cap_infos)) { - *p_desc = "??"; - return "??"; - } - - *p_desc = cap_infos[i].info; - return cap_infos[i].name; -} - -static pj_status_t get_cap_pointer(const pjmedia_vid_dev_param *param, - pjmedia_vid_dev_cap cap, - void **ptr, - unsigned *size) -{ -#define FIELD_INFO(name) *ptr = (void*)¶m->name; \ - *size = sizeof(param->name) - - switch (cap) { - case PJMEDIA_VID_DEV_CAP_FORMAT: - FIELD_INFO(fmt); - break; - case PJMEDIA_VID_DEV_CAP_INPUT_SCALE: - FIELD_INFO(disp_size); - break; - case PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW: - FIELD_INFO(window); - break; - case PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE: - FIELD_INFO(disp_size); - break; - case PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION: - FIELD_INFO(window_pos); - break; - case PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE: - FIELD_INFO(window_hide); - break; - case PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW: - FIELD_INFO(native_preview); - break; - case PJMEDIA_VID_DEV_CAP_ORIENTATION: - FIELD_INFO(orient); - break; - /* The PJMEDIA_VID_DEV_CAP_SWITCH does not have an entry in the - * param (it doesn't make sense to open a stream and tell it - * to switch immediately). - */ - case PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS: - FIELD_INFO(window_flags); - break; - default: - return PJMEDIA_EVID_INVCAP; - } - -#undef FIELD_INFO - - return PJ_SUCCESS; -} - -/* API: set cap value to param */ -PJ_DEF(pj_status_t) -pjmedia_vid_dev_param_set_cap( pjmedia_vid_dev_param *param, - pjmedia_vid_dev_cap cap, - const void *pval) -{ - void *cap_ptr; - unsigned cap_size; - pj_status_t status; - - status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); - if (status != PJ_SUCCESS) - return status; - - pj_memcpy(cap_ptr, pval, cap_size); - param->flags |= cap; - - return PJ_SUCCESS; -} - -/* API: get cap value from param */ -PJ_DEF(pj_status_t) -pjmedia_vid_dev_param_get_cap( const pjmedia_vid_dev_param *param, - pjmedia_vid_dev_cap cap, - void *pval) -{ - void *cap_ptr; - unsigned cap_size; - pj_status_t status; - - status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); - if (status != PJ_SUCCESS) - return status; - - if ((param->flags & cap) == 0) { - pj_bzero(cap_ptr, cap_size); - return PJMEDIA_EVID_INVCAP; - } - - pj_memcpy(pval, cap_ptr, cap_size); - return PJ_SUCCESS; -} - -/* Internal: init driver */ -static pj_status_t init_driver(unsigned drv_idx, pj_bool_t refresh) -{ - struct driver *drv = &vid_subsys.drv[drv_idx]; - pjmedia_vid_dev_factory *f; - unsigned i, dev_cnt; - pj_status_t status; - - if (!refresh) { - /* Create the factory */ - f = (*drv->create)(vid_subsys.pf); - if (!f) - return PJ_EUNKNOWN; - - /* Call factory->init() */ - status = f->op->init(f); - if (status != PJ_SUCCESS) { - f->op->destroy(f); - return status; - } - } else { - f = drv->f; - } - - /* Get number of devices */ - dev_cnt = f->op->get_dev_count(f); - if (dev_cnt + vid_subsys.dev_cnt > MAX_DEVS) { - PJ_LOG(4,(THIS_FILE, "%d device(s) cannot be registered because" - " there are too many devices", - vid_subsys.dev_cnt + dev_cnt - MAX_DEVS)); - dev_cnt = MAX_DEVS - vid_subsys.dev_cnt; - } - - /* enabling this will cause pjsua-lib initialization to fail when there - * is no video device installed in the system, even when pjsua has been - * run with --null-video - * - if (dev_cnt == 0) { - f->op->destroy(f); - return PJMEDIA_EVID_NODEV; - } - */ - - /* Fill in default devices */ - drv->rend_dev_idx = drv->cap_dev_idx = -1; - for (i=0; i<dev_cnt; ++i) { - pjmedia_vid_dev_info info; - - status = f->op->get_dev_info(f, i, &info); - if (status != PJ_SUCCESS) { - f->op->destroy(f); - return status; - } - - if (drv->name[0]=='\0') { - /* Set driver name */ - pj_ansi_strncpy(drv->name, info.driver, sizeof(drv->name)); - drv->name[sizeof(drv->name)-1] = '\0'; - } - - if (drv->rend_dev_idx < 0 && (info.dir & PJMEDIA_DIR_RENDER)) { - /* Set default render device */ - drv->rend_dev_idx = i; - } - if (drv->cap_dev_idx < 0 && (info.dir & PJMEDIA_DIR_CAPTURE)) { - /* Set default capture device */ - drv->cap_dev_idx = i; - } - - if (drv->rend_dev_idx >= 0 && drv->cap_dev_idx >= 0) { - /* Done. */ - break; - } - } - - /* Register the factory */ - drv->f = f; - drv->f->sys.drv_idx = drv_idx; - drv->start_idx = vid_subsys.dev_cnt; - drv->dev_cnt = dev_cnt; - - /* Register devices to global list */ - for (i=0; i<dev_cnt; ++i) { - vid_subsys.dev_list[vid_subsys.dev_cnt++] = MAKE_DEV_ID(drv_idx, i); - } - - return PJ_SUCCESS; -} - -/* Internal: deinit driver */ -static void deinit_driver(unsigned drv_idx) -{ - struct driver *drv = &vid_subsys.drv[drv_idx]; - - if (drv->f) { - drv->f->op->destroy(drv->f); - drv->f = NULL; - } - - drv->dev_cnt = 0; - drv->rend_dev_idx = drv->cap_dev_idx = -1; -} - /* API: Initialize the video device subsystem. */ PJ_DEF(pj_status_t) pjmedia_vid_dev_subsys_init(pj_pool_factory *pf) { unsigned i; pj_status_t status = PJ_SUCCESS; + pjmedia_vid_subsys *vid_subsys = pjmedia_get_vid_subsys(); /* Allow init() to be called multiple times as long as there is matching * number of shutdown(). */ - if (vid_subsys.init_count++ != 0) { + if (vid_subsys->init_count++ != 0) { return PJ_SUCCESS; } @@ -374,52 +91,52 @@ PJ_DEF(pj_status_t) pjmedia_vid_dev_subsys_init(pj_pool_factory *pf) &pjmedia_videodev_strerror); /* Init */ - vid_subsys.pf = pf; - vid_subsys.drv_cnt = 0; - vid_subsys.dev_cnt = 0; + vid_subsys->pf = pf; + vid_subsys->drv_cnt = 0; + vid_subsys->dev_cnt = 0; /* Register creation functions */ #if PJMEDIA_VIDEO_DEV_HAS_V4L2 - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_v4l2_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_v4l2_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_QT - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_qt_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_qt_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_OPENGL - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_opengl_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_opengl_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_IOS - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_ios_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_ios_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_DSHOW - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_dshow_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_dshow_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_FFMPEG - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_ffmpeg_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_ffmpeg_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_SDL - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_sdl_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_sdl_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_ANDROID - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_and_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_and_factory; #endif #if PJMEDIA_VIDEO_DEV_HAS_CBAR_SRC /* Better put colorbar at the last, so the default capturer will be * a real capturer, if any. */ - vid_subsys.drv[vid_subsys.drv_cnt++].create = &pjmedia_cbar_factory; + vid_subsys->drv[vid_subsys->drv_cnt++].create = &pjmedia_cbar_factory; #endif /* Initialize each factory and build the device ID list */ - for (i=0; i<vid_subsys.drv_cnt; ++i) { - status = init_driver(i, PJ_FALSE); + for (i=0; i<vid_subsys->drv_cnt; ++i) { + status = pjmedia_vid_driver_init(i, PJ_FALSE); if (status != PJ_SUCCESS) { - deinit_driver(i); + pjmedia_vid_driver_deinit(i); continue; } } - return vid_subsys.dev_cnt ? PJ_SUCCESS : status; + return vid_subsys->dev_cnt ? PJ_SUCCESS : status; } /* API: register a video device factory to the video device subsystem. */ @@ -429,12 +146,13 @@ pjmedia_vid_register_factory(pjmedia_vid_dev_factory_create_func_ptr adf, { pj_bool_t refresh = PJ_FALSE; pj_status_t status; + pjmedia_vid_subsys *vid_subsys = pjmedia_get_vid_subsys(); - if (vid_subsys.init_count == 0) + if (vid_subsys->init_count == 0) return PJMEDIA_EVID_INIT; - vid_subsys.drv[vid_subsys.drv_cnt].create = adf; - vid_subsys.drv[vid_subsys.drv_cnt].f = factory; + vid_subsys->drv[vid_subsys->drv_cnt].create = adf; + vid_subsys->drv[vid_subsys->drv_cnt].f = factory; if (factory) { /* Call factory->init() */ @@ -446,11 +164,11 @@ pjmedia_vid_register_factory(pjmedia_vid_dev_factory_create_func_ptr adf, refresh = PJ_TRUE; } - status = init_driver(vid_subsys.drv_cnt, refresh); + status = pjmedia_vid_driver_init(vid_subsys->drv_cnt, refresh); if (status == PJ_SUCCESS) { - vid_subsys.drv_cnt++; + vid_subsys->drv_cnt++; } else { - deinit_driver(vid_subsys.drv_cnt); + pjmedia_vid_driver_deinit(vid_subsys->drv_cnt); } return status; @@ -462,20 +180,21 @@ pjmedia_vid_unregister_factory(pjmedia_vid_dev_factory_create_func_ptr adf, pjmedia_vid_dev_factory *factory) { unsigned i, j; + pjmedia_vid_subsys *vid_subsys = pjmedia_get_vid_subsys(); - if (vid_subsys.init_count == 0) + if (vid_subsys->init_count == 0) return PJMEDIA_EVID_INIT; - for (i=0; i<vid_subsys.drv_cnt; ++i) { - struct driver *drv = &vid_subsys.drv[i]; + for (i=0; i<vid_subsys->drv_cnt; ++i) { + pjmedia_vid_driver *drv = &vid_subsys->drv[i]; if ((factory && drv->f==factory) || (adf && drv->create == adf)) { for (j = drv->start_idx; j < drv->start_idx + drv->dev_cnt; j++) { - vid_subsys.dev_list[j] = (pj_uint32_t)PJMEDIA_VID_INVALID_DEV; + vid_subsys->dev_list[j] = (pj_uint32_t)PJMEDIA_VID_INVALID_DEV; } - deinit_driver(i); + pjmedia_vid_driver_deinit(i); pj_bzero(drv, sizeof(*drv)); return PJ_SUCCESS; } @@ -487,429 +206,33 @@ pjmedia_vid_unregister_factory(pjmedia_vid_dev_factory_create_func_ptr adf, /* API: get the pool factory registered to the video device subsystem. */ PJ_DEF(pj_pool_factory*) pjmedia_vid_dev_subsys_get_pool_factory(void) { - return vid_subsys.pf; + pjmedia_vid_subsys *vid_subsys = pjmedia_get_vid_subsys(); + return vid_subsys->pf; } /* API: Shutdown the video device subsystem. */ PJ_DEF(pj_status_t) pjmedia_vid_dev_subsys_shutdown(void) { unsigned i; + pjmedia_vid_subsys *vid_subsys = pjmedia_get_vid_subsys(); /* Allow shutdown() to be called multiple times as long as there is * matching number of init(). */ - if (vid_subsys.init_count == 0) { + if (vid_subsys->init_count == 0) { return PJ_SUCCESS; } - --vid_subsys.init_count; + --vid_subsys->init_count; - if (vid_subsys.init_count == 0) { - for (i=0; i<vid_subsys.drv_cnt; ++i) { - deinit_driver(i); + if (vid_subsys->init_count == 0) { + for (i=0; i<vid_subsys->drv_cnt; ++i) { + pjmedia_vid_driver_deinit(i); } - vid_subsys.pf = NULL; - } - return PJ_SUCCESS; -} - -/* API: Refresh the list of video devices installed in the system. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_refresh(void) -{ - unsigned i; - - vid_subsys.dev_cnt = 0; - for (i=0; i<vid_subsys.drv_cnt; ++i) { - struct driver *drv = &vid_subsys.drv[i]; - - if (drv->f && drv->f->op->refresh) { - pj_status_t status = drv->f->op->refresh(drv->f); - if (status != PJ_SUCCESS) { - PJ_PERROR(4, (THIS_FILE, status, "Unable to refresh device " - "list for %s", drv->name)); - } - } - init_driver(i, PJ_TRUE); - } - return PJ_SUCCESS; -} - -/* API: Get the number of video devices installed in the system. */ -PJ_DEF(unsigned) pjmedia_vid_dev_count(void) -{ - return vid_subsys.dev_cnt; -} - -/* Internal: convert local index to global device index */ -static pj_status_t make_global_index(unsigned drv_idx, - pjmedia_vid_dev_index *id) -{ - if (*id < 0) { - return PJ_SUCCESS; - } - - /* Check that factory still exists */ - PJ_ASSERT_RETURN(vid_subsys.drv[drv_idx].f, PJ_EBUG); - - /* Check that device index is valid */ - PJ_ASSERT_RETURN(*id>=0 && *id<(int)vid_subsys.drv[drv_idx].dev_cnt, - PJ_EBUG); - - *id += vid_subsys.drv[drv_idx].start_idx; - return PJ_SUCCESS; -} - -/* Internal: lookup device id */ -static pj_status_t lookup_dev(pjmedia_vid_dev_index id, - pjmedia_vid_dev_factory **p_f, - unsigned *p_local_index) -{ - int f_id, index; - - if (id < 0) { - unsigned i; - - if (id <= PJMEDIA_VID_INVALID_DEV) - return PJMEDIA_EVID_INVDEV; - - for (i=0; i<vid_subsys.drv_cnt; ++i) { - struct driver *drv = &vid_subsys.drv[i]; - if (id==PJMEDIA_VID_DEFAULT_CAPTURE_DEV && - drv->cap_dev_idx >= 0) - { - id = drv->cap_dev_idx; - make_global_index(i, &id); - break; - } else if (id==PJMEDIA_VID_DEFAULT_RENDER_DEV && - drv->rend_dev_idx >= 0) - { - id = drv->rend_dev_idx; - make_global_index(i, &id); - break; - } - } - - if (id < 0) { - return PJMEDIA_EVID_NODEFDEV; - } - } - - f_id = GET_FID(vid_subsys.dev_list[id]); - index = GET_INDEX(vid_subsys.dev_list[id]); - - if (f_id < 0 || f_id >= (int)vid_subsys.drv_cnt) - return PJMEDIA_EVID_INVDEV; - - if (index < 0 || index >= (int)vid_subsys.drv[f_id].dev_cnt) - return PJMEDIA_EVID_INVDEV; - - *p_f = vid_subsys.drv[f_id].f; - *p_local_index = (unsigned)index; - - return PJ_SUCCESS; - -} - -/* API: lookup device id */ -PJ_DEF(pj_status_t) -pjmedia_vid_dev_get_local_index(pjmedia_vid_dev_index id, - pjmedia_vid_dev_factory **p_f, - unsigned *p_local_index) -{ - return lookup_dev(id, p_f, p_local_index); -} - -/* API: from factory and local index, get global index */ -PJ_DEF(pj_status_t) -pjmedia_vid_dev_get_global_index(const pjmedia_vid_dev_factory *f, - unsigned local_idx, - pjmedia_vid_dev_index *pid) -{ - PJ_ASSERT_RETURN(f->sys.drv_idx >= 0 && f->sys.drv_idx < MAX_DRIVERS, - PJ_EINVALIDOP); - *pid = local_idx; - return make_global_index(f->sys.drv_idx, pid); -} - -/* API: Get device information. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_get_info(pjmedia_vid_dev_index id, - pjmedia_vid_dev_info *info) -{ - pjmedia_vid_dev_factory *f; - unsigned index; - pj_status_t status; - - PJ_ASSERT_RETURN(info, PJ_EINVAL); - PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); - - if (id <= PJMEDIA_VID_INVALID_DEV) - return PJMEDIA_EVID_INVDEV; - - status = lookup_dev(id, &f, &index); - if (status != PJ_SUCCESS) - return status; - - status = f->op->get_dev_info(f, index, info); - - /* Make sure device ID is the real ID (not PJMEDIA_VID_DEFAULT_*_DEV) */ - info->id = index; - make_global_index(f->sys.drv_idx, &info->id); - - return status; -} - -/* API: find device */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_lookup( const char *drv_name, - const char *dev_name, - pjmedia_vid_dev_index *id) -{ - pjmedia_vid_dev_factory *f = NULL; - unsigned drv_idx, dev_idx; - - PJ_ASSERT_RETURN(drv_name && dev_name && id, PJ_EINVAL); - PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); - - for (drv_idx=0; drv_idx<vid_subsys.drv_cnt; ++drv_idx) { - if (!pj_ansi_stricmp(drv_name, vid_subsys.drv[drv_idx].name)) - { - f = vid_subsys.drv[drv_idx].f; - break; - } - } - - if (!f) - return PJ_ENOTFOUND; - - for (dev_idx=0; dev_idx<vid_subsys.drv[drv_idx].dev_cnt; ++dev_idx) - { - pjmedia_vid_dev_info info; - pj_status_t status; - - status = f->op->get_dev_info(f, dev_idx, &info); - if (status != PJ_SUCCESS) - return status; - - if (!pj_ansi_stricmp(dev_name, info.name)) - break; - } - - if (dev_idx==vid_subsys.drv[drv_idx].dev_cnt) - return PJ_ENOTFOUND; - - *id = dev_idx; - make_global_index(drv_idx, id); - - return PJ_SUCCESS; -} - -/* API: Initialize the video device parameters with default values for the - * specified device. - */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_default_param(pj_pool_t *pool, - pjmedia_vid_dev_index id, - pjmedia_vid_dev_param *param) -{ - pjmedia_vid_dev_factory *f; - unsigned index; - pj_status_t status; - - PJ_ASSERT_RETURN(param, PJ_EINVAL); - PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); - - if (id <= PJMEDIA_VID_INVALID_DEV) - return PJMEDIA_EVID_INVDEV; - - status = lookup_dev(id, &f, &index); - if (status != PJ_SUCCESS) - return status; - - status = f->op->default_param(pool, f, index, param); - if (status != PJ_SUCCESS) - return status; - - /* Normalize device IDs */ - make_global_index(f->sys.drv_idx, ¶m->cap_id); - make_global_index(f->sys.drv_idx, ¶m->rend_id); - - return PJ_SUCCESS; -} - -/* API: Open video stream object using the specified parameters. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_create( - pjmedia_vid_dev_param *prm, - const pjmedia_vid_dev_cb *cb, - void *user_data, - pjmedia_vid_dev_stream **p_vid_strm) -{ - pjmedia_vid_dev_factory *cap_f=NULL, *rend_f=NULL, *f=NULL; - pj_status_t status; - - PJ_ASSERT_RETURN(prm && prm->dir && p_vid_strm, PJ_EINVAL); - PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); - PJ_ASSERT_RETURN(prm->dir==PJMEDIA_DIR_CAPTURE || - prm->dir==PJMEDIA_DIR_RENDER || - prm->dir==PJMEDIA_DIR_CAPTURE_RENDER, - PJ_EINVAL); - - /* Normalize cap_id */ - if (prm->dir & PJMEDIA_DIR_CAPTURE) { - unsigned index; - - if (prm->cap_id < 0) - prm->cap_id = PJMEDIA_VID_DEFAULT_CAPTURE_DEV; - - status = lookup_dev(prm->cap_id, &cap_f, &index); - if (status != PJ_SUCCESS) - return status; - - prm->cap_id = index; - f = cap_f; + vid_subsys->pf = NULL; } - - /* Normalize rend_id */ - if (prm->dir & PJMEDIA_DIR_RENDER) { - unsigned index; - - if (prm->rend_id < 0) - prm->rend_id = PJMEDIA_VID_DEFAULT_RENDER_DEV; - - status = lookup_dev(prm->rend_id, &rend_f, &index); - if (status != PJ_SUCCESS) - return status; - - prm->rend_id = index; - f = rend_f; - } - - PJ_ASSERT_RETURN(f != NULL, PJ_EBUG); - - /* For now, cap_id and rend_id must belong to the same factory */ - PJ_ASSERT_RETURN((prm->dir != PJMEDIA_DIR_CAPTURE_RENDER) || - (cap_f == rend_f), - PJMEDIA_EVID_INVDEV); - - /* Create the stream */ - status = f->op->create_stream(f, prm, cb, - user_data, p_vid_strm); - if (status != PJ_SUCCESS) - return status; - - /* Assign factory id to the stream */ - (*p_vid_strm)->sys.drv_idx = f->sys.drv_idx; return PJ_SUCCESS; } -/* API: Get the running parameters for the specified video stream. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_get_param( - pjmedia_vid_dev_stream *strm, - pjmedia_vid_dev_param *param) -{ - pj_status_t status; - - PJ_ASSERT_RETURN(strm && param, PJ_EINVAL); - PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); - - status = strm->op->get_param(strm, param); - if (status != PJ_SUCCESS) - return status; - - /* Normalize device id's */ - make_global_index(strm->sys.drv_idx, ¶m->cap_id); - make_global_index(strm->sys.drv_idx, ¶m->rend_id); - - return PJ_SUCCESS; -} - -/* API: Get the value of a specific capability of the video stream. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_get_cap( - pjmedia_vid_dev_stream *strm, - pjmedia_vid_dev_cap cap, - void *value) -{ - return strm->op->get_cap(strm, cap, value); -} - -/* API: Set the value of a specific capability of the video stream. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_set_cap( - pjmedia_vid_dev_stream *strm, - pjmedia_vid_dev_cap cap, - const void *value) -{ - /* For fast switching, device global index needs to be converted to - * local index before forwarding the request to the device stream. - */ - if (cap == PJMEDIA_VID_DEV_CAP_SWITCH) { - pjmedia_vid_dev_factory *f; - unsigned local_idx; - pj_status_t status; - pjmedia_vid_dev_switch_param p = *(pjmedia_vid_dev_switch_param*)value; - - status = lookup_dev(p.target_id, &f, &local_idx); - if (status != PJ_SUCCESS) - return status; - - /* Make sure that current & target devices share the same factory */ - if (f->sys.drv_idx != strm->sys.drv_idx) - return PJMEDIA_EVID_INVDEV; - - p.target_id = local_idx; - return strm->op->set_cap(strm, cap, &p); - } - - return strm->op->set_cap(strm, cap, value); -} - -/* API: Start the stream. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_start(pjmedia_vid_dev_stream *strm) -{ - pj_status_t status; - - if (pjmedia_vid_dev_stream_is_running(strm)) - return PJ_SUCCESS; - - status = strm->op->start(strm); - if (status == PJ_SUCCESS) - strm->sys.is_running = PJ_TRUE; - return status; -} - -/* API: has it been started? */ -PJ_DEF(pj_bool_t) -pjmedia_vid_dev_stream_is_running(pjmedia_vid_dev_stream *strm) -{ - return strm->sys.is_running; -} - -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_get_frame( - pjmedia_vid_dev_stream *strm, - pjmedia_frame *frame) -{ - pj_assert(strm->op->get_frame); - return strm->op->get_frame(strm, frame); -} - -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_put_frame( - pjmedia_vid_dev_stream *strm, - const pjmedia_frame *frame) -{ - pj_assert(strm->op->put_frame); - return strm->op->put_frame(strm, frame); -} - -/* API: Stop the stream. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_stop(pjmedia_vid_dev_stream *strm) -{ - strm->sys.is_running = PJ_FALSE; - return strm->op->stop(strm); -} - -/* API: Destroy the stream. */ -PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_destroy( - pjmedia_vid_dev_stream *strm) -{ - strm->sys.is_running = PJ_FALSE; - return strm->op->destroy(strm); -} - #endif /* PJMEDIA_HAS_VIDEO */ diff --git a/pjmedia/src/pjmedia/audiodev.c b/pjmedia/src/pjmedia/audiodev.c new file mode 100644 index 00000000..398a4042 --- /dev/null +++ b/pjmedia/src/pjmedia/audiodev.c @@ -0,0 +1,628 @@ +/* $Id$ */ +/* + * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) + * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <pjmedia-audiodev/audiodev_imp.h> +#include <pj/assert.h> +#include <pj/errno.h> +#include <pj/log.h> +#include <pj/pool.h> +#include <pj/string.h> + +#define THIS_FILE "audiodev.c" + +#define DEFINE_CAP(name, info) {name, info} + +/* Capability names */ +static struct cap_info +{ + const char *name; + const char *info; +} cap_infos[] = +{ + DEFINE_CAP("ext-fmt", "Extended/non-PCM format"), + DEFINE_CAP("latency-in", "Input latency/buffer size setting"), + DEFINE_CAP("latency-out", "Output latency/buffer size setting"), + DEFINE_CAP("vol-in", "Input volume setting"), + DEFINE_CAP("vol-out", "Output volume setting"), + DEFINE_CAP("meter-in", "Input meter"), + DEFINE_CAP("meter-out", "Output meter"), + DEFINE_CAP("route-in", "Input routing"), + DEFINE_CAP("route-out", "Output routing"), + DEFINE_CAP("aec", "Accoustic echo cancellation"), + DEFINE_CAP("aec-tail", "Tail length setting for AEC"), + DEFINE_CAP("vad", "Voice activity detection"), + DEFINE_CAP("cng", "Comfort noise generation"), + DEFINE_CAP("plg", "Packet loss concealment") +}; + + +/* + * The device index seen by application and driver is different. + * + * At application level, device index is index to global list of device. + * At driver level, device index is index to device list on that particular + * factory only. + */ +#define MAKE_DEV_ID(f_id, index) (((f_id & 0xFFFF) << 16) | (index & 0xFFFF)) +#define GET_INDEX(dev_id) ((dev_id) & 0xFFFF) +#define GET_FID(dev_id) ((dev_id) >> 16) +#define DEFAULT_DEV_ID 0 + + +/* The audio subsystem */ +static pjmedia_aud_subsys aud_subsys; + +/* API: get the audio subsystem. */ +PJ_DEF(pjmedia_aud_subsys*) pjmedia_get_aud_subsys(void) +{ + return &aud_subsys; +} + +/* API: init driver */ +PJ_DEF(pj_status_t) pjmedia_aud_driver_init(unsigned drv_idx, + pj_bool_t refresh) +{ + pjmedia_aud_driver *drv = &aud_subsys.drv[drv_idx]; + pjmedia_aud_dev_factory *f; + unsigned i, dev_cnt; + pj_status_t status; + + if (!refresh && drv->create) { + /* Create the factory */ + f = (*drv->create)(aud_subsys.pf); + if (!f) + return PJ_EUNKNOWN; + + /* Call factory->init() */ + status = f->op->init(f); + if (status != PJ_SUCCESS) { + f->op->destroy(f); + return status; + } + } else { + f = drv->f; + } + + if (!f) + return PJ_EUNKNOWN; + + /* Get number of devices */ + dev_cnt = f->op->get_dev_count(f); + if (dev_cnt + aud_subsys.dev_cnt > PJMEDIA_AUD_MAX_DEVS) { + PJ_LOG(4,(THIS_FILE, "%d device(s) cannot be registered because" + " there are too many devices", + aud_subsys.dev_cnt + dev_cnt - + PJMEDIA_AUD_MAX_DEVS)); + dev_cnt = PJMEDIA_AUD_MAX_DEVS - aud_subsys.dev_cnt; + } + + /* enabling this will cause pjsua-lib initialization to fail when there + * is no sound device installed in the system, even when pjsua has been + * run with --null-audio + * + if (dev_cnt == 0) { + f->op->destroy(f); + return PJMEDIA_EAUD_NODEV; + } + */ + + /* Fill in default devices */ + drv->play_dev_idx = drv->rec_dev_idx = + drv->dev_idx = PJMEDIA_AUD_INVALID_DEV; + for (i=0; i<dev_cnt; ++i) { + pjmedia_aud_dev_info info; + + status = f->op->get_dev_info(f, i, &info); + if (status != PJ_SUCCESS) { + f->op->destroy(f); + return status; + } + + if (drv->name[0]=='\0') { + /* Set driver name */ + pj_ansi_strncpy(drv->name, info.driver, sizeof(drv->name)); + drv->name[sizeof(drv->name)-1] = '\0'; + } + + if (drv->play_dev_idx < 0 && info.output_count) { + /* Set default playback device */ + drv->play_dev_idx = i; + } + if (drv->rec_dev_idx < 0 && info.input_count) { + /* Set default capture device */ + drv->rec_dev_idx = i; + } + if (drv->dev_idx < 0 && info.input_count && + info.output_count) + { + /* Set default capture and playback device */ + drv->dev_idx = i; + } + + if (drv->play_dev_idx >= 0 && drv->rec_dev_idx >= 0 && + drv->dev_idx >= 0) + { + /* Done. */ + break; + } + } + + /* Register the factory */ + drv->f = f; + drv->f->sys.drv_idx = drv_idx; + drv->start_idx = aud_subsys.dev_cnt; + drv->dev_cnt = dev_cnt; + + /* Register devices to global list */ + for (i=0; i<dev_cnt; ++i) { + aud_subsys.dev_list[aud_subsys.dev_cnt++] = MAKE_DEV_ID(drv_idx, i); + } + + return PJ_SUCCESS; +} + +/* API: deinit driver */ +PJ_DEF(void) pjmedia_aud_driver_deinit(unsigned drv_idx) +{ + pjmedia_aud_driver *drv = &aud_subsys.drv[drv_idx]; + + if (drv->f) { + drv->f->op->destroy(drv->f); + drv->f = NULL; + } + + pj_bzero(drv, sizeof(*drv)); + drv->play_dev_idx = drv->rec_dev_idx = + drv->dev_idx = PJMEDIA_AUD_INVALID_DEV; +} + +/* API: get capability name/info */ +PJ_DEF(const char*) pjmedia_aud_dev_cap_name(pjmedia_aud_dev_cap cap, + const char **p_desc) +{ + const char *desc; + unsigned i; + + if (p_desc==NULL) p_desc = &desc; + + for (i=0; i<PJ_ARRAY_SIZE(cap_infos); ++i) { + if ((1 << i)==cap) + break; + } + + if (i==PJ_ARRAY_SIZE(cap_infos)) { + *p_desc = "??"; + return "??"; + } + + *p_desc = cap_infos[i].info; + return cap_infos[i].name; +} + +static pj_status_t get_cap_pointer(const pjmedia_aud_param *param, + pjmedia_aud_dev_cap cap, + void **ptr, + unsigned *size) +{ +#define FIELD_INFO(name) *ptr = (void*)¶m->name; \ + *size = sizeof(param->name) + + switch (cap) { + case PJMEDIA_AUD_DEV_CAP_EXT_FORMAT: + FIELD_INFO(ext_fmt); + break; + case PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY: + FIELD_INFO(input_latency_ms); + break; + case PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY: + FIELD_INFO(output_latency_ms); + break; + case PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING: + FIELD_INFO(input_vol); + break; + case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: + FIELD_INFO(output_vol); + break; + case PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE: + FIELD_INFO(input_route); + break; + case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: + FIELD_INFO(output_route); + break; + case PJMEDIA_AUD_DEV_CAP_EC: + FIELD_INFO(ec_enabled); + break; + case PJMEDIA_AUD_DEV_CAP_EC_TAIL: + FIELD_INFO(ec_tail_ms); + break; + /* vad is no longer in "fmt" in 2.0. + case PJMEDIA_AUD_DEV_CAP_VAD: + FIELD_INFO(ext_fmt.vad); + break; + */ + case PJMEDIA_AUD_DEV_CAP_CNG: + FIELD_INFO(cng_enabled); + break; + case PJMEDIA_AUD_DEV_CAP_PLC: + FIELD_INFO(plc_enabled); + break; + default: + return PJMEDIA_EAUD_INVCAP; + } + +#undef FIELD_INFO + + return PJ_SUCCESS; +} + +/* API: set cap value to param */ +PJ_DEF(pj_status_t) pjmedia_aud_param_set_cap( pjmedia_aud_param *param, + pjmedia_aud_dev_cap cap, + const void *pval) +{ + void *cap_ptr; + unsigned cap_size; + pj_status_t status; + + status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); + if (status != PJ_SUCCESS) + return status; + + pj_memcpy(cap_ptr, pval, cap_size); + param->flags |= cap; + + return PJ_SUCCESS; +} + +/* API: get cap value from param */ +PJ_DEF(pj_status_t) pjmedia_aud_param_get_cap( const pjmedia_aud_param *param, + pjmedia_aud_dev_cap cap, + void *pval) +{ + void *cap_ptr; + unsigned cap_size; + pj_status_t status; + + status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); + if (status != PJ_SUCCESS) + return status; + + if ((param->flags & cap) == 0) { + pj_bzero(cap_ptr, cap_size); + return PJMEDIA_EAUD_INVCAP; + } + + pj_memcpy(pval, cap_ptr, cap_size); + return PJ_SUCCESS; +} + + +/* API: Refresh the list of sound devices installed in the system. */ +PJ_DEF(pj_status_t) pjmedia_aud_dev_refresh(void) +{ + unsigned i; + + aud_subsys.dev_cnt = 0; + for (i=0; i<aud_subsys.drv_cnt; ++i) { + pjmedia_aud_driver *drv = &aud_subsys.drv[i]; + + if (drv->f && drv->f->op->refresh) { + pj_status_t status = drv->f->op->refresh(drv->f); + if (status != PJ_SUCCESS) { + PJ_PERROR(4, (THIS_FILE, status, "Unable to refresh device " + "list for %s", drv->name)); + } + } + pjmedia_aud_driver_init(i, PJ_TRUE); + } + return PJ_SUCCESS; +} + +/* API: Get the number of sound devices installed in the system. */ +PJ_DEF(unsigned) pjmedia_aud_dev_count(void) +{ + return aud_subsys.dev_cnt; +} + +/* Internal: convert local index to global device index */ +static pj_status_t make_global_index(unsigned drv_idx, + pjmedia_aud_dev_index *id) +{ + if (*id < 0) { + return PJ_SUCCESS; + } + + /* Check that factory still exists */ + PJ_ASSERT_RETURN(aud_subsys.drv[drv_idx].f, PJ_EBUG); + + /* Check that device index is valid */ + PJ_ASSERT_RETURN(*id>=0 && *id<(int)aud_subsys.drv[drv_idx].dev_cnt, + PJ_EBUG); + + *id += aud_subsys.drv[drv_idx].start_idx; + return PJ_SUCCESS; +} + +/* Internal: lookup device id */ +static pj_status_t lookup_dev(pjmedia_aud_dev_index id, + pjmedia_aud_dev_factory **p_f, + unsigned *p_local_index) +{ + int f_id, index; + + if (id < 0) { + unsigned i; + + if (id == PJMEDIA_AUD_INVALID_DEV) + return PJMEDIA_EAUD_INVDEV; + + for (i=0; i<aud_subsys.drv_cnt; ++i) { + pjmedia_aud_driver *drv = &aud_subsys.drv[i]; + if (drv->dev_idx >= 0) { + id = drv->dev_idx; + make_global_index(i, &id); + break; + } else if (id==PJMEDIA_AUD_DEFAULT_CAPTURE_DEV && + drv->rec_dev_idx >= 0) + { + id = drv->rec_dev_idx; + make_global_index(i, &id); + break; + } else if (id==PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV && + drv->play_dev_idx >= 0) + { + id = drv->play_dev_idx; + make_global_index(i, &id); + break; + } + } + + if (id < 0) { + return PJMEDIA_EAUD_NODEFDEV; + } + } + + f_id = GET_FID(aud_subsys.dev_list[id]); + index = GET_INDEX(aud_subsys.dev_list[id]); + + if (f_id < 0 || f_id >= (int)aud_subsys.drv_cnt) + return PJMEDIA_EAUD_INVDEV; + + if (index < 0 || index >= (int)aud_subsys.drv[f_id].dev_cnt) + return PJMEDIA_EAUD_INVDEV; + + *p_f = aud_subsys.drv[f_id].f; + *p_local_index = (unsigned)index; + + return PJ_SUCCESS; + +} + +/* API: Get device information. */ +PJ_DEF(pj_status_t) pjmedia_aud_dev_get_info(pjmedia_aud_dev_index id, + pjmedia_aud_dev_info *info) +{ + pjmedia_aud_dev_factory *f; + unsigned index; + pj_status_t status; + + PJ_ASSERT_RETURN(info && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); + PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); + + status = lookup_dev(id, &f, &index); + if (status != PJ_SUCCESS) + return status; + + return f->op->get_dev_info(f, index, info); +} + +/* API: find device */ +PJ_DEF(pj_status_t) pjmedia_aud_dev_lookup( const char *drv_name, + const char *dev_name, + pjmedia_aud_dev_index *id) +{ + pjmedia_aud_dev_factory *f = NULL; + unsigned drv_idx, dev_idx; + + PJ_ASSERT_RETURN(drv_name && dev_name && id, PJ_EINVAL); + PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); + + for (drv_idx=0; drv_idx<aud_subsys.drv_cnt; ++drv_idx) { + if (!pj_ansi_stricmp(drv_name, aud_subsys.drv[drv_idx].name)) { + f = aud_subsys.drv[drv_idx].f; + break; + } + } + + if (!f) + return PJ_ENOTFOUND; + + for (dev_idx=0; dev_idx<aud_subsys.drv[drv_idx].dev_cnt; ++dev_idx) { + pjmedia_aud_dev_info info; + pj_status_t status; + + status = f->op->get_dev_info(f, dev_idx, &info); + if (status != PJ_SUCCESS) + return status; + + if (!pj_ansi_stricmp(dev_name, info.name)) + break; + } + + if (dev_idx==aud_subsys.drv[drv_idx].dev_cnt) + return PJ_ENOTFOUND; + + *id = dev_idx; + make_global_index(drv_idx, id); + + return PJ_SUCCESS; +} + +/* API: Initialize the audio device parameters with default values for the + * specified device. + */ +PJ_DEF(pj_status_t) pjmedia_aud_dev_default_param(pjmedia_aud_dev_index id, + pjmedia_aud_param *param) +{ + pjmedia_aud_dev_factory *f; + unsigned index; + pj_status_t status; + + PJ_ASSERT_RETURN(param && id!=PJMEDIA_AUD_INVALID_DEV, PJ_EINVAL); + PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); + + status = lookup_dev(id, &f, &index); + if (status != PJ_SUCCESS) + return status; + + status = f->op->default_param(f, index, param); + if (status != PJ_SUCCESS) + return status; + + /* Normalize device IDs */ + make_global_index(f->sys.drv_idx, ¶m->rec_id); + make_global_index(f->sys.drv_idx, ¶m->play_id); + + return PJ_SUCCESS; +} + +/* API: Open audio stream object using the specified parameters. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_create(const pjmedia_aud_param *prm, + pjmedia_aud_rec_cb rec_cb, + pjmedia_aud_play_cb play_cb, + void *user_data, + pjmedia_aud_stream **p_aud_strm) +{ + pjmedia_aud_dev_factory *rec_f=NULL, *play_f=NULL, *f=NULL; + pjmedia_aud_param param; + pj_status_t status; + + PJ_ASSERT_RETURN(prm && prm->dir && p_aud_strm, PJ_EINVAL); + PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); + PJ_ASSERT_RETURN(prm->dir==PJMEDIA_DIR_CAPTURE || + prm->dir==PJMEDIA_DIR_PLAYBACK || + prm->dir==PJMEDIA_DIR_CAPTURE_PLAYBACK, + PJ_EINVAL); + + /* Must make copy of param because we're changing device ID */ + pj_memcpy(¶m, prm, sizeof(param)); + + /* Normalize rec_id */ + if (param.dir & PJMEDIA_DIR_CAPTURE) { + unsigned index; + + if (param.rec_id < 0) + param.rec_id = PJMEDIA_AUD_DEFAULT_CAPTURE_DEV; + + status = lookup_dev(param.rec_id, &rec_f, &index); + if (status != PJ_SUCCESS) + return status; + + param.rec_id = index; + f = rec_f; + } + + /* Normalize play_id */ + if (param.dir & PJMEDIA_DIR_PLAYBACK) { + unsigned index; + + if (param.play_id < 0) + param.play_id = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV; + + status = lookup_dev(param.play_id, &play_f, &index); + if (status != PJ_SUCCESS) + return status; + + param.play_id = index; + f = play_f; + } + + PJ_ASSERT_RETURN(f != NULL, PJ_EBUG); + + /* For now, rec_id and play_id must belong to the same factory */ + PJ_ASSERT_RETURN((param.dir != PJMEDIA_DIR_CAPTURE_PLAYBACK) || + (rec_f == play_f), + PJMEDIA_EAUD_INVDEV); + + /* Create the stream */ + status = f->op->create_stream(f, ¶m, rec_cb, play_cb, + user_data, p_aud_strm); + if (status != PJ_SUCCESS) + return status; + + /* Assign factory id to the stream */ + (*p_aud_strm)->sys.drv_idx = f->sys.drv_idx; + return PJ_SUCCESS; +} + +/* API: Get the running parameters for the specified audio stream. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_get_param(pjmedia_aud_stream *strm, + pjmedia_aud_param *param) +{ + pj_status_t status; + + PJ_ASSERT_RETURN(strm && param, PJ_EINVAL); + PJ_ASSERT_RETURN(aud_subsys.pf, PJMEDIA_EAUD_INIT); + + status = strm->op->get_param(strm, param); + if (status != PJ_SUCCESS) + return status; + + /* Normalize device id's */ + make_global_index(strm->sys.drv_idx, ¶m->rec_id); + make_global_index(strm->sys.drv_idx, ¶m->play_id); + + return PJ_SUCCESS; +} + +/* API: Get the value of a specific capability of the audio stream. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_get_cap(pjmedia_aud_stream *strm, + pjmedia_aud_dev_cap cap, + void *value) +{ + return strm->op->get_cap(strm, cap, value); +} + +/* API: Set the value of a specific capability of the audio stream. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_set_cap(pjmedia_aud_stream *strm, + pjmedia_aud_dev_cap cap, + const void *value) +{ + return strm->op->set_cap(strm, cap, value); +} + +/* API: Start the stream. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_start(pjmedia_aud_stream *strm) +{ + return strm->op->start(strm); +} + +/* API: Stop the stream. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_stop(pjmedia_aud_stream *strm) +{ + return strm->op->stop(strm); +} + +/* API: Destroy the stream. */ +PJ_DEF(pj_status_t) pjmedia_aud_stream_destroy(pjmedia_aud_stream *strm) +{ + return strm->op->destroy(strm); +} + + diff --git a/pjmedia/src/pjmedia/endpoint.c b/pjmedia/src/pjmedia/endpoint.c index 650c71d8..82d7d568 100644 --- a/pjmedia/src/pjmedia/endpoint.c +++ b/pjmedia/src/pjmedia/endpoint.c @@ -105,10 +105,10 @@ struct pjmedia_endpt /** * Initialize and get the instance of media endpoint. */ -PJ_DEF(pj_status_t) pjmedia_endpt_create(pj_pool_factory *pf, - pj_ioqueue_t *ioqueue, - unsigned worker_cnt, - pjmedia_endpt **p_endpt) +PJ_DEF(pj_status_t) pjmedia_endpt_create2(pj_pool_factory *pf, + pj_ioqueue_t *ioqueue, + unsigned worker_cnt, + pjmedia_endpt **p_endpt) { pj_pool_t *pool; pjmedia_endpt *endpt; @@ -133,10 +133,15 @@ PJ_DEF(pj_status_t) pjmedia_endpt_create(pj_pool_factory *pf, endpt->thread_cnt = worker_cnt; endpt->has_telephone_event = PJ_TRUE; - /* Sound */ - status = pjmedia_aud_subsys_init(pf); - if (status != PJ_SUCCESS) - goto on_error; + /* Initialize audio subsystem. + * To avoid pjmedia's dependendy on pjmedia-audiodev, the initialization + * (and shutdown) of audio subsystem will be done in the application + * level instead, when it calls inline functions pjmedia_endpt_create() + * and pjmedia_endpt_destroy(). + */ + //status = pjmedia_aud_subsys_init(pf); + //if (status != PJ_SUCCESS) + // goto on_error; /* Init codec manager. */ status = pjmedia_codec_mgr_init(&endpt->codec_mgr, endpt->pf); @@ -188,7 +193,7 @@ on_error: pj_ioqueue_destroy(endpt->ioqueue); pjmedia_codec_mgr_destroy(&endpt->codec_mgr); - pjmedia_aud_subsys_shutdown(); + //pjmedia_aud_subsys_shutdown(); pj_pool_release(pool); return status; } @@ -204,7 +209,7 @@ PJ_DEF(pjmedia_codec_mgr*) pjmedia_endpt_get_codec_mgr(pjmedia_endpt *endpt) /** * Deinitialize media endpoint. */ -PJ_DEF(pj_status_t) pjmedia_endpt_destroy (pjmedia_endpt *endpt) +PJ_DEF(pj_status_t) pjmedia_endpt_destroy2 (pjmedia_endpt *endpt) { exit_cb *ecb; @@ -219,7 +224,7 @@ PJ_DEF(pj_status_t) pjmedia_endpt_destroy (pjmedia_endpt *endpt) endpt->pf = NULL; pjmedia_codec_mgr_destroy(&endpt->codec_mgr); - pjmedia_aud_subsys_shutdown(); + //pjmedia_aud_subsys_shutdown(); /* Call all registered exit callbacks */ ecb = endpt->exit_cb_list.next; diff --git a/pjmedia/src/pjmedia/sound_legacy.c b/pjmedia/src/pjmedia/sound_legacy.c index d5bcf3dc..ee9dd027 100644 --- a/pjmedia/src/pjmedia/sound_legacy.c +++ b/pjmedia/src/pjmedia/sound_legacy.c @@ -27,7 +27,6 @@ */ #include <pjmedia/sound.h> -#include <pjmedia-audiodev/errno.h> #include <pj/assert.h> #if PJMEDIA_HAS_LEGACY_SOUND_API @@ -49,20 +48,6 @@ struct pjmedia_snd_stream void *user_user_data; }; -PJ_DEF(pj_status_t) pjmedia_snd_init(pj_pool_factory *factory) -{ - return pjmedia_aud_subsys_init(factory); -} - -PJ_DEF(pj_status_t) pjmedia_snd_deinit(void) -{ - return pjmedia_aud_subsys_shutdown(); -} - -PJ_DEF(int) pjmedia_snd_get_dev_count(void) -{ - return pjmedia_aud_dev_count(); -} PJ_DEF(const pjmedia_snd_dev_info*) pjmedia_snd_get_dev_info(unsigned index) { @@ -158,7 +143,7 @@ static pj_status_t open_stream( pjmedia_dir dir, } /* Create sound wrapper */ - pool = pj_pool_create(pjmedia_aud_subsys_get_pool_factory(), + pool = pj_pool_create(pjmedia_get_aud_subsys()->pf, "legacy-snd", 512, 512, NULL); snd_strm = PJ_POOL_ZALLOC_T(pool, pjmedia_snd_stream); snd_strm->pool = pool; diff --git a/pjmedia/src/pjmedia/videodev.c b/pjmedia/src/pjmedia/videodev.c new file mode 100644 index 00000000..84d26069 --- /dev/null +++ b/pjmedia/src/pjmedia/videodev.c @@ -0,0 +1,699 @@ +/* $Id$ */ +/* + * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <pjmedia-videodev/videodev_imp.h> +#include <pj/assert.h> +#include <pj/errno.h> +#include <pj/log.h> +#include <pj/pool.h> +#include <pj/string.h> + + +#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) + + +#define THIS_FILE "videodev.c" + +#define DEFINE_CAP(name, info) {name, info} + +/* Capability names */ +static struct cap_info +{ + const char *name; + const char *info; +} cap_infos[] = +{ + DEFINE_CAP("format", "Video format"), + DEFINE_CAP("scale", "Input dimension"), + DEFINE_CAP("window", "Window handle"), + DEFINE_CAP("resize", "Renderer resize"), + DEFINE_CAP("position", "Renderer position"), + DEFINE_CAP("hide", "Renderer hide"), + DEFINE_CAP("preview", "Input preview"), + DEFINE_CAP("orientation", "Video orientation"), + DEFINE_CAP("switch", "Switch device"), + DEFINE_CAP("wndflags", "Window flags") +}; + + +/* + * The device index seen by application and driver is different. + * + * At application level, device index is index to global list of device. + * At driver level, device index is index to device list on that particular + * factory only. + */ +#define MAKE_DEV_ID(f_id, index) (((f_id & 0xFFFF) << 16) | (index & 0xFFFF)) +#define GET_INDEX(dev_id) ((dev_id) & 0xFFFF) +#define GET_FID(dev_id) ((dev_id) >> 16) +#define DEFAULT_DEV_ID 0 + + +#define MAX_DRIVERS PJMEDIA_VID_DEV_MAX_DRIVERS +#define MAX_DEVS PJMEDIA_VID_DEV_MAX_DEVS + +static pjmedia_vid_subsys vid_subsys; + + +/* API: get the video subsystem. */ +PJ_DEF(pjmedia_vid_subsys*) pjmedia_get_vid_subsys(void) +{ + return &vid_subsys; +} + + +/* API: get capability name/info */ +PJ_DEF(const char*) pjmedia_vid_dev_cap_name(pjmedia_vid_dev_cap cap, + const char **p_desc) +{ + const char *desc; + unsigned i; + + if (p_desc==NULL) p_desc = &desc; + + for (i=0; i<PJ_ARRAY_SIZE(cap_infos); ++i) { + if ((1 << i)==cap) + break; + } + + if (i==PJ_ARRAY_SIZE(cap_infos)) { + *p_desc = "??"; + return "??"; + } + + *p_desc = cap_infos[i].info; + return cap_infos[i].name; +} + +static pj_status_t get_cap_pointer(const pjmedia_vid_dev_param *param, + pjmedia_vid_dev_cap cap, + void **ptr, + unsigned *size) +{ +#define FIELD_INFO(name) *ptr = (void*)¶m->name; \ + *size = sizeof(param->name) + + switch (cap) { + case PJMEDIA_VID_DEV_CAP_FORMAT: + FIELD_INFO(fmt); + break; + case PJMEDIA_VID_DEV_CAP_INPUT_SCALE: + FIELD_INFO(disp_size); + break; + case PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW: + FIELD_INFO(window); + break; + case PJMEDIA_VID_DEV_CAP_OUTPUT_RESIZE: + FIELD_INFO(disp_size); + break; + case PJMEDIA_VID_DEV_CAP_OUTPUT_POSITION: + FIELD_INFO(window_pos); + break; + case PJMEDIA_VID_DEV_CAP_OUTPUT_HIDE: + FIELD_INFO(window_hide); + break; + case PJMEDIA_VID_DEV_CAP_INPUT_PREVIEW: + FIELD_INFO(native_preview); + break; + case PJMEDIA_VID_DEV_CAP_ORIENTATION: + FIELD_INFO(orient); + break; + /* The PJMEDIA_VID_DEV_CAP_SWITCH does not have an entry in the + * param (it doesn't make sense to open a stream and tell it + * to switch immediately). + */ + case PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS: + FIELD_INFO(window_flags); + break; + default: + return PJMEDIA_EVID_INVCAP; + } + +#undef FIELD_INFO + + return PJ_SUCCESS; +} + +/* API: set cap value to param */ +PJ_DEF(pj_status_t) +pjmedia_vid_dev_param_set_cap( pjmedia_vid_dev_param *param, + pjmedia_vid_dev_cap cap, + const void *pval) +{ + void *cap_ptr; + unsigned cap_size; + pj_status_t status; + + status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); + if (status != PJ_SUCCESS) + return status; + + pj_memcpy(cap_ptr, pval, cap_size); + param->flags |= cap; + + return PJ_SUCCESS; +} + +/* API: get cap value from param */ +PJ_DEF(pj_status_t) +pjmedia_vid_dev_param_get_cap( const pjmedia_vid_dev_param *param, + pjmedia_vid_dev_cap cap, + void *pval) +{ + void *cap_ptr; + unsigned cap_size; + pj_status_t status; + + status = get_cap_pointer(param, cap, &cap_ptr, &cap_size); + if (status != PJ_SUCCESS) + return status; + + if ((param->flags & cap) == 0) { + pj_bzero(cap_ptr, cap_size); + return PJMEDIA_EVID_INVCAP; + } + + pj_memcpy(pval, cap_ptr, cap_size); + return PJ_SUCCESS; +} + +/* API: init driver */ +PJ_DEF(pj_status_t) pjmedia_vid_driver_init(unsigned drv_idx, + pj_bool_t refresh) +{ + pjmedia_vid_driver *drv = &vid_subsys.drv[drv_idx]; + pjmedia_vid_dev_factory *f; + unsigned i, dev_cnt; + pj_status_t status; + + if (!refresh) { + /* Create the factory */ + f = (*drv->create)(vid_subsys.pf); + if (!f) + return PJ_EUNKNOWN; + + /* Call factory->init() */ + status = f->op->init(f); + if (status != PJ_SUCCESS) { + f->op->destroy(f); + return status; + } + } else { + f = drv->f; + } + + /* Get number of devices */ + dev_cnt = f->op->get_dev_count(f); + if (dev_cnt + vid_subsys.dev_cnt > MAX_DEVS) { + PJ_LOG(4,(THIS_FILE, "%d device(s) cannot be registered because" + " there are too many devices", + vid_subsys.dev_cnt + dev_cnt - MAX_DEVS)); + dev_cnt = MAX_DEVS - vid_subsys.dev_cnt; + } + + /* enabling this will cause pjsua-lib initialization to fail when there + * is no video device installed in the system, even when pjsua has been + * run with --null-video + * + if (dev_cnt == 0) { + f->op->destroy(f); + return PJMEDIA_EVID_NODEV; + } + */ + + /* Fill in default devices */ + drv->rend_dev_idx = drv->cap_dev_idx = -1; + for (i=0; i<dev_cnt; ++i) { + pjmedia_vid_dev_info info; + + status = f->op->get_dev_info(f, i, &info); + if (status != PJ_SUCCESS) { + f->op->destroy(f); + return status; + } + + if (drv->name[0]=='\0') { + /* Set driver name */ + pj_ansi_strncpy(drv->name, info.driver, sizeof(drv->name)); + drv->name[sizeof(drv->name)-1] = '\0'; + } + + if (drv->rend_dev_idx < 0 && (info.dir & PJMEDIA_DIR_RENDER)) { + /* Set default render device */ + drv->rend_dev_idx = i; + } + if (drv->cap_dev_idx < 0 && (info.dir & PJMEDIA_DIR_CAPTURE)) { + /* Set default capture device */ + drv->cap_dev_idx = i; + } + + if (drv->rend_dev_idx >= 0 && drv->cap_dev_idx >= 0) { + /* Done. */ + break; + } + } + + /* Register the factory */ + drv->f = f; + drv->f->sys.drv_idx = drv_idx; + drv->start_idx = vid_subsys.dev_cnt; + drv->dev_cnt = dev_cnt; + + /* Register devices to global list */ + for (i=0; i<dev_cnt; ++i) { + vid_subsys.dev_list[vid_subsys.dev_cnt++] = MAKE_DEV_ID(drv_idx, i); + } + + return PJ_SUCCESS; +} + +/* API: deinit driver */ +PJ_DEF(void) pjmedia_vid_driver_deinit(unsigned drv_idx) +{ + pjmedia_vid_driver *drv = &vid_subsys.drv[drv_idx]; + + if (drv->f) { + drv->f->op->destroy(drv->f); + drv->f = NULL; + } + + drv->dev_cnt = 0; + drv->rend_dev_idx = drv->cap_dev_idx = -1; +} + + +/* API: Refresh the list of video devices installed in the system. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_refresh(void) +{ + unsigned i; + + vid_subsys.dev_cnt = 0; + for (i=0; i<vid_subsys.drv_cnt; ++i) { + pjmedia_vid_driver *drv = &vid_subsys.drv[i]; + + if (drv->f && drv->f->op->refresh) { + pj_status_t status = drv->f->op->refresh(drv->f); + if (status != PJ_SUCCESS) { + PJ_PERROR(4, (THIS_FILE, status, "Unable to refresh device " + "list for %s", drv->name)); + } + } + pjmedia_vid_driver_init(i, PJ_TRUE); + } + return PJ_SUCCESS; +} + +/* API: Get the number of video devices installed in the system. */ +PJ_DEF(unsigned) pjmedia_vid_dev_count(void) +{ + return vid_subsys.dev_cnt; +} + +/* Internal: convert local index to global device index */ +static pj_status_t make_global_index(unsigned drv_idx, + pjmedia_vid_dev_index *id) +{ + if (*id < 0) { + return PJ_SUCCESS; + } + + /* Check that factory still exists */ + PJ_ASSERT_RETURN(vid_subsys.drv[drv_idx].f, PJ_EBUG); + + /* Check that device index is valid */ + PJ_ASSERT_RETURN(*id>=0 && *id<(int)vid_subsys.drv[drv_idx].dev_cnt, + PJ_EBUG); + + *id += vid_subsys.drv[drv_idx].start_idx; + return PJ_SUCCESS; +} + +/* Internal: lookup device id */ +static pj_status_t lookup_dev(pjmedia_vid_dev_index id, + pjmedia_vid_dev_factory **p_f, + unsigned *p_local_index) +{ + int f_id, index; + + if (id < 0) { + unsigned i; + + if (id <= PJMEDIA_VID_INVALID_DEV) + return PJMEDIA_EVID_INVDEV; + + for (i=0; i<vid_subsys.drv_cnt; ++i) { + pjmedia_vid_driver *drv = &vid_subsys.drv[i]; + if (id==PJMEDIA_VID_DEFAULT_CAPTURE_DEV && + drv->cap_dev_idx >= 0) + { + id = drv->cap_dev_idx; + make_global_index(i, &id); + break; + } else if (id==PJMEDIA_VID_DEFAULT_RENDER_DEV && + drv->rend_dev_idx >= 0) + { + id = drv->rend_dev_idx; + make_global_index(i, &id); + break; + } + } + + if (id < 0) { + return PJMEDIA_EVID_NODEFDEV; + } + } + + f_id = GET_FID(vid_subsys.dev_list[id]); + index = GET_INDEX(vid_subsys.dev_list[id]); + + if (f_id < 0 || f_id >= (int)vid_subsys.drv_cnt) + return PJMEDIA_EVID_INVDEV; + + if (index < 0 || index >= (int)vid_subsys.drv[f_id].dev_cnt) + return PJMEDIA_EVID_INVDEV; + + *p_f = vid_subsys.drv[f_id].f; + *p_local_index = (unsigned)index; + + return PJ_SUCCESS; + +} + +/* API: lookup device id */ +PJ_DEF(pj_status_t) +pjmedia_vid_dev_get_local_index(pjmedia_vid_dev_index id, + pjmedia_vid_dev_factory **p_f, + unsigned *p_local_index) +{ + return lookup_dev(id, p_f, p_local_index); +} + +/* API: from factory and local index, get global index */ +PJ_DEF(pj_status_t) +pjmedia_vid_dev_get_global_index(const pjmedia_vid_dev_factory *f, + unsigned local_idx, + pjmedia_vid_dev_index *pid) +{ + PJ_ASSERT_RETURN(f->sys.drv_idx >= 0 && f->sys.drv_idx < MAX_DRIVERS, + PJ_EINVALIDOP); + *pid = local_idx; + return make_global_index(f->sys.drv_idx, pid); +} + +/* API: Get device information. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_get_info(pjmedia_vid_dev_index id, + pjmedia_vid_dev_info *info) +{ + pjmedia_vid_dev_factory *f; + unsigned index; + pj_status_t status; + + PJ_ASSERT_RETURN(info, PJ_EINVAL); + PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); + + if (id <= PJMEDIA_VID_INVALID_DEV) + return PJMEDIA_EVID_INVDEV; + + status = lookup_dev(id, &f, &index); + if (status != PJ_SUCCESS) + return status; + + status = f->op->get_dev_info(f, index, info); + + /* Make sure device ID is the real ID (not PJMEDIA_VID_DEFAULT_*_DEV) */ + info->id = index; + make_global_index(f->sys.drv_idx, &info->id); + + return status; +} + +/* API: find device */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_lookup( const char *drv_name, + const char *dev_name, + pjmedia_vid_dev_index *id) +{ + pjmedia_vid_dev_factory *f = NULL; + unsigned drv_idx, dev_idx; + + PJ_ASSERT_RETURN(drv_name && dev_name && id, PJ_EINVAL); + PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); + + for (drv_idx=0; drv_idx<vid_subsys.drv_cnt; ++drv_idx) { + if (!pj_ansi_stricmp(drv_name, vid_subsys.drv[drv_idx].name)) + { + f = vid_subsys.drv[drv_idx].f; + break; + } + } + + if (!f) + return PJ_ENOTFOUND; + + for (dev_idx=0; dev_idx<vid_subsys.drv[drv_idx].dev_cnt; ++dev_idx) + { + pjmedia_vid_dev_info info; + pj_status_t status; + + status = f->op->get_dev_info(f, dev_idx, &info); + if (status != PJ_SUCCESS) + return status; + + if (!pj_ansi_stricmp(dev_name, info.name)) + break; + } + + if (dev_idx==vid_subsys.drv[drv_idx].dev_cnt) + return PJ_ENOTFOUND; + + *id = dev_idx; + make_global_index(drv_idx, id); + + return PJ_SUCCESS; +} + +/* API: Initialize the video device parameters with default values for the + * specified device. + */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_default_param(pj_pool_t *pool, + pjmedia_vid_dev_index id, + pjmedia_vid_dev_param *param) +{ + pjmedia_vid_dev_factory *f; + unsigned index; + pj_status_t status; + + PJ_ASSERT_RETURN(param, PJ_EINVAL); + PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); + + if (id <= PJMEDIA_VID_INVALID_DEV) + return PJMEDIA_EVID_INVDEV; + + status = lookup_dev(id, &f, &index); + if (status != PJ_SUCCESS) + return status; + + status = f->op->default_param(pool, f, index, param); + if (status != PJ_SUCCESS) + return status; + + /* Normalize device IDs */ + make_global_index(f->sys.drv_idx, ¶m->cap_id); + make_global_index(f->sys.drv_idx, ¶m->rend_id); + + return PJ_SUCCESS; +} + +/* API: Open video stream object using the specified parameters. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_create( + pjmedia_vid_dev_param *prm, + const pjmedia_vid_dev_cb *cb, + void *user_data, + pjmedia_vid_dev_stream **p_vid_strm) +{ + pjmedia_vid_dev_factory *cap_f=NULL, *rend_f=NULL, *f=NULL; + pj_status_t status; + + PJ_ASSERT_RETURN(prm && prm->dir && p_vid_strm, PJ_EINVAL); + PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); + PJ_ASSERT_RETURN(prm->dir==PJMEDIA_DIR_CAPTURE || + prm->dir==PJMEDIA_DIR_RENDER || + prm->dir==PJMEDIA_DIR_CAPTURE_RENDER, + PJ_EINVAL); + + /* Normalize cap_id */ + if (prm->dir & PJMEDIA_DIR_CAPTURE) { + unsigned index; + + if (prm->cap_id < 0) + prm->cap_id = PJMEDIA_VID_DEFAULT_CAPTURE_DEV; + + status = lookup_dev(prm->cap_id, &cap_f, &index); + if (status != PJ_SUCCESS) + return status; + + prm->cap_id = index; + f = cap_f; + } + + /* Normalize rend_id */ + if (prm->dir & PJMEDIA_DIR_RENDER) { + unsigned index; + + if (prm->rend_id < 0) + prm->rend_id = PJMEDIA_VID_DEFAULT_RENDER_DEV; + + status = lookup_dev(prm->rend_id, &rend_f, &index); + if (status != PJ_SUCCESS) + return status; + + prm->rend_id = index; + f = rend_f; + } + + PJ_ASSERT_RETURN(f != NULL, PJ_EBUG); + + /* For now, cap_id and rend_id must belong to the same factory */ + PJ_ASSERT_RETURN((prm->dir != PJMEDIA_DIR_CAPTURE_RENDER) || + (cap_f == rend_f), + PJMEDIA_EVID_INVDEV); + + /* Create the stream */ + status = f->op->create_stream(f, prm, cb, + user_data, p_vid_strm); + if (status != PJ_SUCCESS) + return status; + + /* Assign factory id to the stream */ + (*p_vid_strm)->sys.drv_idx = f->sys.drv_idx; + return PJ_SUCCESS; +} + +/* API: Get the running parameters for the specified video stream. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_get_param( + pjmedia_vid_dev_stream *strm, + pjmedia_vid_dev_param *param) +{ + pj_status_t status; + + PJ_ASSERT_RETURN(strm && param, PJ_EINVAL); + PJ_ASSERT_RETURN(vid_subsys.pf, PJMEDIA_EVID_INIT); + + status = strm->op->get_param(strm, param); + if (status != PJ_SUCCESS) + return status; + + /* Normalize device id's */ + make_global_index(strm->sys.drv_idx, ¶m->cap_id); + make_global_index(strm->sys.drv_idx, ¶m->rend_id); + + return PJ_SUCCESS; +} + +/* API: Get the value of a specific capability of the video stream. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_get_cap( + pjmedia_vid_dev_stream *strm, + pjmedia_vid_dev_cap cap, + void *value) +{ + return strm->op->get_cap(strm, cap, value); +} + +/* API: Set the value of a specific capability of the video stream. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_set_cap( + pjmedia_vid_dev_stream *strm, + pjmedia_vid_dev_cap cap, + const void *value) +{ + /* For fast switching, device global index needs to be converted to + * local index before forwarding the request to the device stream. + */ + if (cap == PJMEDIA_VID_DEV_CAP_SWITCH) { + pjmedia_vid_dev_factory *f; + unsigned local_idx; + pj_status_t status; + pjmedia_vid_dev_switch_param p = *(pjmedia_vid_dev_switch_param*)value; + + status = lookup_dev(p.target_id, &f, &local_idx); + if (status != PJ_SUCCESS) + return status; + + /* Make sure that current & target devices share the same factory */ + if (f->sys.drv_idx != strm->sys.drv_idx) + return PJMEDIA_EVID_INVDEV; + + p.target_id = local_idx; + return strm->op->set_cap(strm, cap, &p); + } + + return strm->op->set_cap(strm, cap, value); +} + +/* API: Start the stream. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_start(pjmedia_vid_dev_stream *strm) +{ + pj_status_t status; + + if (pjmedia_vid_dev_stream_is_running(strm)) + return PJ_SUCCESS; + + status = strm->op->start(strm); + if (status == PJ_SUCCESS) + strm->sys.is_running = PJ_TRUE; + return status; +} + +/* API: has it been started? */ +PJ_DEF(pj_bool_t) +pjmedia_vid_dev_stream_is_running(pjmedia_vid_dev_stream *strm) +{ + return strm->sys.is_running; +} + +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_get_frame( + pjmedia_vid_dev_stream *strm, + pjmedia_frame *frame) +{ + pj_assert(strm->op->get_frame); + return strm->op->get_frame(strm, frame); +} + +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_put_frame( + pjmedia_vid_dev_stream *strm, + const pjmedia_frame *frame) +{ + pj_assert(strm->op->put_frame); + return strm->op->put_frame(strm, frame); +} + +/* API: Stop the stream. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_stop(pjmedia_vid_dev_stream *strm) +{ + strm->sys.is_running = PJ_FALSE; + return strm->op->stop(strm); +} + +/* API: Destroy the stream. */ +PJ_DEF(pj_status_t) pjmedia_vid_dev_stream_destroy( + pjmedia_vid_dev_stream *strm) +{ + strm->sys.is_running = PJ_FALSE; + return strm->op->destroy(strm); +} + + +#endif /* PJMEDIA_HAS_VIDEO */ |