diff options
Diffstat (limited to 'package/pjsip/src')
| -rw-r--r-- | package/pjsip/src/pjmedia/src/pjmedia-audiodev/tapi_dev.c | 1057 |
1 files changed, 1057 insertions, 0 deletions
diff --git a/package/pjsip/src/pjmedia/src/pjmedia-audiodev/tapi_dev.c b/package/pjsip/src/pjmedia/src/pjmedia-audiodev/tapi_dev.c new file mode 100644 index 0000000..a367df3 --- /dev/null +++ b/package/pjsip/src/pjmedia/src/pjmedia-audiodev/tapi_dev.c @@ -0,0 +1,1057 @@ +/****************************************************************************** + + Copyright (c) 2010 + Lantiq Deutschland GmbH + Am Campeon 3; 85579 Neubiberg, Germany + + For licensing information, see the file 'LICENSE' in the root folder of + this software module. + +******************************************************************************/ +#include <pjmedia-audiodev/audiodev_imp.h> +#include <pjmedia/errno.h> +#include <pj/assert.h> +#include <pj/pool.h> +#include <pj/log.h> +#include <pj/os.h> + +/* Linux includes*/ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include <sys/select.h> +#include <sys/time.h> +#include <unistd.h> + +#if PJMEDIA_AUDIO_DEV_HAS_TAPI_DEVICE + +/* TAPI includes*/ +#include "drv_tapi_io.h" +#include "vmmc_io.h" + +/* Maximum 2 devices*/ +#define TAPI_AUDIO_DEV_NUM (1) +#define TAPI_AUDIO_MAX_DEV_NUM (2) +#define TAPI_BASE_NAME "TAPI" +#define TAPI_LL_DEV_BASE_PATH "/dev/vmmc" +#define TAPI_LL_DEV_FIRMWARE_NAME "/lib/firmware/danube_firmware.bin" + +#define TAPI_LL_DEV_SELECT_TIMEOUT_MS (2000) +#define TAPI_LL_DEV_MAX_PACKET_SIZE (800) +#define TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE (12) +#define TAPI_LL_DEV_ENC_FRAME_LEN_MS (20) +#define TAPI_LL_DEV_ENC_SMPL_PER_SEC (8000) +#define TAPI_LL_DEV_ENC_BITS_PER_SMPLS (16) +#define TAPI_LL_DEV_ENC_SMPL_PER_FRAME (160) +#define TAPI_LL_DEV_ENC_BYTES_PER_FRAME (TAPI_LL_DEV_ENC_SMPL_PER_FRAME * (TAPI_LL_DEV_ENC_BITS_PER_SMPLS / 8)) + + +#define FD_WIDTH_SET(fd, maxfd) (maxfd) < (fd) ? (fd) : maxfd + +#define THIS_FILE "tapi_dev.c" + +#if 1 +# define TRACE_(x) PJ_LOG(1,x) +#else +# define TRACE_(x) +#endif + +typedef struct +{ + pj_int32_t dev_fd; + pj_int32_t ch_fd[TAPI_AUDIO_DEV_NUM]; + pj_int8_t data2phone_map[TAPI_AUDIO_DEV_NUM]; + +} tapi_ctx; + + +/* TAPI factory */ +struct tapi_aud_factory +{ + pjmedia_aud_dev_factory base; + pj_pool_t *pool; + pj_pool_factory *pf; + + pj_uint32_t dev_count; + pjmedia_aud_dev_info *dev_info; + + tapi_ctx dev_ctx; +}; + +typedef struct tapi_aud_factory tapi_aud_factory_t; + +/* + Sound stream descriptor. +**/ +struct tapi_aud_stream +{ + /* Base*/ + pjmedia_aud_stream base; /**< Base class. */ + /* Pool*/ + pj_pool_t *pool; /**< Memory pool. */ + /* Common settings.*/ + pjmedia_aud_param param; /**< Stream param. */ + pjmedia_aud_rec_cb rec_cb; /**< Record callback. */ + pjmedia_aud_play_cb play_cb; /**< Playback callback. */ + void *user_data; /**< Application data. */ + + pj_thread_desc thread_desc; + pj_thread_t *thread; + tapi_ctx *dev_ctx; + pj_uint8_t run_flag; + pj_timestamp timestamp; +}; + +typedef struct tapi_aud_stream tapi_aud_stream_t; + +/* Factory prototypes */ +static pj_status_t factory_init(pjmedia_aud_dev_factory *f); +static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f); +static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f); +static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, + unsigned index, + pjmedia_aud_dev_info *info); +static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, + unsigned index, + pjmedia_aud_param *param); +static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, + const pjmedia_aud_param *param, + pjmedia_aud_rec_cb rec_cb, + pjmedia_aud_play_cb play_cb, + void *user_data, + pjmedia_aud_stream **p_aud_strm); + +/* Stream prototypes */ +static pj_status_t stream_get_param(pjmedia_aud_stream *strm, + pjmedia_aud_param *param); +static pj_status_t stream_get_cap(pjmedia_aud_stream *strm, + pjmedia_aud_dev_cap cap, + void *value); +static pj_status_t stream_set_cap(pjmedia_aud_stream *strm, + pjmedia_aud_dev_cap cap, + const void *value); +static pj_status_t stream_start(pjmedia_aud_stream *strm); +static pj_status_t stream_stop(pjmedia_aud_stream *strm); +static pj_status_t stream_destroy(pjmedia_aud_stream *strm); + +static pjmedia_aud_dev_factory_op tapi_fact_op = + { + &factory_init, + &factory_destroy, + &factory_get_dev_count, + &factory_get_dev_info, + &factory_default_param, + &factory_create_stream + }; + +static pjmedia_aud_stream_op tapi_strm_op = +{ + &stream_get_param, + &stream_get_cap, + &stream_set_cap, + &stream_start, + &stream_stop, + &stream_destroy +}; + +void (*tapi_digit_callback)(unsigned char digit) = NULL; +void (*tapi_hook_callback)(unsigned char event) = NULL; + +static pj_int32_t tapi_dev_open(char* dev_path, const pj_int32_t ch_num) +{ + char devname[128] = {0}; + + pj_ansi_sprintf(devname,"%s%u%u", dev_path, 1, ch_num); + + return open((const char*)devname, O_RDWR, 0644); +} + +static pj_status_t tapi_dev_binary_buffer_create( + const char *pPath, + pj_uint8_t **ppBuf, + pj_uint32_t *pBufSz) +{ + pj_status_t status = PJ_SUCCESS; + FILE *fd; + struct stat file_stat; + + /* Open binary file for reading*/ + fd = fopen(pPath, "rb"); + if (fd == NULL) { + TRACE_((THIS_FILE, "ERROR - binary file %s open failed!\n", pPath)); + return PJ_EUNKNOWN; + } + + /* Get file statistics*/ + if (stat(pPath, &file_stat) != 0) { + TRACE_((THIS_FILE, "ERROR - file %s statistics get failed!\n", pPath)); + return PJ_EUNKNOWN; + } + + *ppBuf = malloc(file_stat.st_size); + if (*ppBuf == NULL) { + TRACE_((THIS_FILE, "ERROR - binary file %s memory allocation failed!\n", pPath)); + status = PJ_EUNKNOWN; + + goto on_exit; + } + + if (fread (*ppBuf, sizeof(pj_uint8_t), file_stat.st_size, fd) <= 0) { + TRACE_((THIS_FILE, "ERROR - file %s read failed!\n", pPath)); + status = PJ_EUNKNOWN; + + goto on_exit; + } + + *pBufSz = file_stat.st_size; + +on_exit: + if (fd != NULL) { + fclose(fd); + } + + if (*ppBuf != NULL && status != PJ_SUCCESS) { + free(*ppBuf); + } + + return status; +} + +static void tapi_dev_binary_buffer_delete(pj_uint8_t *pBuf) +{ + if (pBuf != NULL) + free(pBuf); +} + +static pj_status_t tapi_dev_firmware_download( + pj_int32_t fd, + const char *pPath) +{ + pj_status_t status = PJ_SUCCESS; + pj_uint8_t *pFirmware = NULL; + pj_uint32_t binSz = 0; + VMMC_IO_INIT vmmc_io_init; + + /* Create binary buffer*/ + status = tapi_dev_binary_buffer_create(pPath, &pFirmware, &binSz); + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - binary buffer create failed!\n")); + + return PJ_EUNKNOWN; + } + + /* Download Voice Firmware*/ + memset(&vmmc_io_init, 0, sizeof(VMMC_IO_INIT)); + vmmc_io_init.pPRAMfw = pFirmware; + vmmc_io_init.pram_size = binSz; + + status = ioctl(fd, FIO_FW_DOWNLOAD, &vmmc_io_init); + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - FIO_FW_DOWNLOAD ioctl failed!")); + } + + /* Delete binary buffer*/ + tapi_dev_binary_buffer_delete(pFirmware); + + return status; +} + + +static pj_status_t tapi_dev_start(tapi_aud_factory_t *f) +{ + pj_status_t status = PJ_SUCCESS; + pj_uint8_t c; + IFX_TAPI_DEV_START_CFG_t tapistart; + IFX_TAPI_MAP_DATA_t datamap; + IFX_TAPI_ENC_CFG_t enc_cfg; + IFX_TAPI_LINE_VOLUME_t vol; + + /* Open device*/ + f->dev_ctx.dev_fd = tapi_dev_open(TAPI_LL_DEV_BASE_PATH, 0); + + if (f->dev_ctx.dev_fd < 0) { + TRACE_((THIS_FILE, "ERROR - TAPI device open failed!")); + return PJ_EUNKNOWN; + } + + for (c = 0; c < TAPI_AUDIO_DEV_NUM; c++) { + f->dev_ctx.ch_fd[c] = tapi_dev_open(TAPI_LL_DEV_BASE_PATH, TAPI_AUDIO_MAX_DEV_NUM - c); + + if (f->dev_ctx.dev_fd < 0) { + TRACE_((THIS_FILE, "ERROR - TAPI channel%d open failed!", c)); + return PJ_EUNKNOWN; + } + + f->dev_ctx.data2phone_map[c] = c & 0x1 ? 0 : 1; + } + + status = tapi_dev_firmware_download(f->dev_ctx.dev_fd, TAPI_LL_DEV_FIRMWARE_NAME); + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - Voice Firmware Download failed!")); + return PJ_EUNKNOWN; + } + + memset(&tapistart, 0x0, sizeof(IFX_TAPI_DEV_START_CFG_t)); + tapistart.nMode = IFX_TAPI_INIT_MODE_VOICE_CODER; + + /* Start TAPI*/ + status = ioctl(f->dev_ctx.dev_fd, IFX_TAPI_DEV_START, &tapistart); + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_DEV_START ioctl failed")); + return PJ_EUNKNOWN; + } + + + for (c = 0; c < TAPI_AUDIO_DEV_NUM; c++) { + /* Perform mapping*/ + memset(&datamap, 0x0, sizeof(IFX_TAPI_MAP_DATA_t)); + datamap.nDstCh = f->dev_ctx.data2phone_map[c]; + datamap.nChType = IFX_TAPI_MAP_TYPE_PHONE; + + status = ioctl(f->dev_ctx.ch_fd[c], IFX_TAPI_MAP_DATA_ADD, &datamap); + + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_MAP_DATA_ADD ioctl failed")); + return PJ_EUNKNOWN; + } + + /* Set Line feed*/ + status = ioctl(f->dev_ctx.ch_fd[c], IFX_TAPI_LINE_FEED_SET, IFX_TAPI_LINE_FEED_STANDBY); + + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_LINE_FEED_SET ioctl failed")); + return PJ_EUNKNOWN; + } + + /* Config encoder for linear stream*/ + memset(&enc_cfg, 0x0, sizeof(IFX_TAPI_ENC_CFG_t)); + + enc_cfg.nFrameLen = IFX_TAPI_COD_LENGTH_20; + enc_cfg.nEncType = IFX_TAPI_COD_TYPE_LIN16_8; + + status = ioctl(f->dev_ctx.ch_fd[c], IFX_TAPI_ENC_CFG_SET, &enc_cfg); + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_ENC_CFG_SET ioctl failed")); + return PJ_EUNKNOWN; + } + + + /* Suppress TAPI volume, otherwise PJSIP starts autogeneration!!!*/ + vol.nGainRx = -8; + vol.nGainTx = -8; + + status = ioctl(f->dev_ctx.ch_fd[c], IFX_TAPI_PHONE_VOLUME_SET, &vol); + if (status != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_PHONE_VOLUME_SET ioctl failed")); + return PJ_EUNKNOWN; + } + } + + + return status; +} + +static pj_status_t tapi_dev_stop(tapi_aud_factory_t *f) +{ + pj_status_t status = PJ_SUCCESS; + pj_uint8_t c; + + /* Stop TAPI device*/ + if (ioctl(f->dev_ctx.dev_fd, IFX_TAPI_DEV_STOP, 0) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_DEV_STOP ioctl failed")); + status = PJ_EUNKNOWN; + } + + /* Close device FD*/ + close(f->dev_ctx.dev_fd); + + /* Close channel FD*/ + for (c = TAPI_AUDIO_DEV_NUM; c > 0; c--) { + close(f->dev_ctx.ch_fd[TAPI_AUDIO_DEV_NUM-c]); + } + + + return status; +} + +static pj_status_t tapi_dev_codec_control(pj_int32_t fd, pj_uint8_t start) +{ + if (ioctl(fd, start ? IFX_TAPI_ENC_START : IFX_TAPI_ENC_STOP, 0) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_ENC_%s ioctl failed!", + start ? "START" : "STOP")); + + return PJ_EUNKNOWN; + } + + if (ioctl(fd, start ? IFX_TAPI_DEC_START : IFX_TAPI_DEC_STOP, 0) != IFX_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_DEC_%s ioctl failed!", + start ? "START" : "STOP")); + + return PJ_EUNKNOWN; + } + + return PJ_SUCCESS; +} + +static pj_status_t tapi_dev_event_ONHOOK(tapi_ctx *dev_ctx, pj_uint32_t dev_idx) +{ + PJ_LOG(1,(THIS_FILE, "TAPI: ONHOOK")); + + if (ioctl(dev_ctx->ch_fd[dev_idx], IFX_TAPI_LINE_FEED_SET, + IFX_TAPI_LINE_FEED_STANDBY) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_LINE_FEED_SET ioctl failed!")); + + return PJ_EUNKNOWN; + } + + /* enc/dec stop*/ + if (tapi_dev_codec_control(dev_ctx->ch_fd[dev_idx], 0) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - codec start failed!")); + + return PJ_EUNKNOWN; + } + + return PJ_SUCCESS; +} + +static pj_status_t tapi_dev_event_OFFHOOK(tapi_ctx *dev_ctx, pj_uint32_t dev_idx) +{ + PJ_LOG(1,(THIS_FILE, "TAPI: OFFHOOK")); + + if (ioctl(dev_ctx->ch_fd[dev_idx], IFX_TAPI_LINE_FEED_SET, + IFX_TAPI_LINE_FEED_ACTIVE) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_LINE_FEED_SET ioctl failed!")); + + return PJ_EUNKNOWN; + } + + /* enc/dec stop*/ + if (tapi_dev_codec_control(dev_ctx->ch_fd[dev_idx], 1) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - codec start failed!")); + + return PJ_EUNKNOWN; + } + + return PJ_SUCCESS; +} + +static pj_status_t tapi_dev_event_digit(tapi_ctx *dev_ctx, pj_uint32_t dev_idx) +{ + PJ_LOG(1,(THIS_FILE, "TAPI: OFFHOOK")); + + if (ioctl(dev_ctx->ch_fd[dev_idx], IFX_TAPI_LINE_FEED_SET, + IFX_TAPI_LINE_FEED_ACTIVE) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - IFX_TAPI_LINE_FEED_SET ioctl failed!")); + + return PJ_EUNKNOWN; + } + + /* enc/dec stop*/ + if (tapi_dev_codec_control(dev_ctx->ch_fd[dev_idx], 1) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - codec start failed!")); + + return PJ_EUNKNOWN; + } + + return PJ_SUCCESS; +} + +static pj_status_t tapi_dev_event_handler( + tapi_aud_stream_t *stream) +{ + tapi_ctx *dev_ctx = stream->dev_ctx; + pj_uint32_t dev_idx = stream->param.rec_id; + pj_status_t status = PJ_SUCCESS; + IFX_TAPI_EVENT_t tapiEvent; + + memset (&tapiEvent, 0, sizeof(tapiEvent)); + + tapiEvent.ch = dev_ctx->data2phone_map[dev_idx]; + + /* Get event*/ + status = ioctl(dev_ctx->dev_fd, IFX_TAPI_EVENT_GET, &tapiEvent); + + if ((status == PJ_SUCCESS) && (tapiEvent.id != IFX_TAPI_EVENT_NONE)) { + switch(tapiEvent.id) { + case IFX_TAPI_EVENT_FXS_ONHOOK: + status = tapi_dev_event_ONHOOK(dev_ctx, dev_idx); + if(tapi_hook_callback) + tapi_hook_callback(0); + break; + case IFX_TAPI_EVENT_FXS_OFFHOOK: + status = tapi_dev_event_OFFHOOK(dev_ctx, dev_idx); + if(tapi_hook_callback) + tapi_hook_callback(1); + break; + case IFX_TAPI_EVENT_DTMF_DIGIT: + if(tapi_digit_callback) + tapi_digit_callback(tapiEvent.data.dtmf.ascii); + break; + default: + printf("%s:%s[%d]%04X\n", __FILE__, __func__, __LINE__, tapiEvent.id); + break; + } + } + + return status; +} + +static pj_status_t tapi_dev_data_handler( + tapi_aud_stream_t *stream) +{ + pj_status_t status = PJ_SUCCESS; + tapi_ctx *dev_ctx = stream->dev_ctx; + pj_uint32_t dev_idx = stream->param.rec_id; + pj_uint8_t buf_rec[TAPI_LL_DEV_ENC_BYTES_PER_FRAME + TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE]={0}; + pj_uint8_t buf_play[TAPI_LL_DEV_ENC_BYTES_PER_FRAME + TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE]={0}; + pjmedia_frame frame_rec, frame_play; + pj_int32_t ret; + + /* Get data from driver*/ + ret = read(dev_ctx->ch_fd[dev_idx], buf_rec, sizeof(buf_rec)); + if (ret < 0) { + TRACE_((THIS_FILE, "ERROR - no data available from device!")); + + return PJ_EUNKNOWN; + } + + if (ret > 0) { + frame_rec.type = PJMEDIA_FRAME_TYPE_AUDIO; + frame_rec.buf = buf_rec + TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE; + frame_rec.size = ret - TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE; + frame_rec.timestamp.u64 = stream->timestamp.u64; + + status = stream->rec_cb(stream->user_data, &frame_rec); + if (status != PJ_SUCCESS) + { + PJ_LOG(1, (THIS_FILE, "rec_cb() failed %d", status)); + } + + frame_play.type = PJMEDIA_FRAME_TYPE_AUDIO; + frame_play.buf = buf_play + TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE; + frame_play.size = TAPI_LL_DEV_ENC_BYTES_PER_FRAME; + frame_play.timestamp.u64 = stream->timestamp.u64; + + status = (*stream->play_cb)(stream->user_data, &frame_play); + if (status != PJ_SUCCESS) + { + PJ_LOG(1, (THIS_FILE, "play_cb() failed %d", status)); + } + else + { + memcpy(buf_play, buf_rec, TAPI_LL_DEV_RTP_HEADER_SIZE_BYTE); + + ret = write(dev_ctx->ch_fd[dev_idx], buf_play, sizeof(buf_play)); + + if (ret < 0) { + PJ_LOG(1, (THIS_FILE, "ERROR - device data writing failed!")); + return PJ_EUNKNOWN; + } + + if (ret == 0) { + PJ_LOG(1, (THIS_FILE, "ERROR - no data written to device!")); + return PJ_EUNKNOWN; + } + } + + stream->timestamp.u64 += TAPI_LL_DEV_ENC_SMPL_PER_FRAME; + } + + return PJ_SUCCESS; +} + +/* TAPI capture and playback thread. */ +static int PJ_THREAD_FUNC tapi_dev_thread(void *arg) +{ + tapi_aud_stream_t *strm = (struct tapi_aud_stream*)arg; + tapi_ctx *dev_ctx = strm->dev_ctx; + fd_set rfds, trfds; + pj_uint32_t width = 0; + struct timeval tv; + pj_uint32_t sretval; + pj_uint32_t dev_idx; + + PJ_LOG(1,(THIS_FILE, "TAPI: thread starting...")); + + if (strm->param.rec_id != strm->param.play_id) { + PJ_LOG(1,(THIS_FILE, "TAPI: thread exit - incorrect play/rec IDs")); + return 0; + } + + dev_idx = strm->param.rec_id; + + FD_ZERO(&rfds); + + FD_SET(dev_ctx->dev_fd, &rfds); + width = FD_WIDTH_SET(dev_ctx->dev_fd, width); + + FD_SET(dev_ctx->ch_fd[dev_idx], &rfds); + width = FD_WIDTH_SET(dev_ctx->ch_fd[dev_idx], width); + + tv.tv_sec = TAPI_LL_DEV_SELECT_TIMEOUT_MS / 1000; + tv.tv_usec = (TAPI_LL_DEV_SELECT_TIMEOUT_MS % 1000) * 1000; + + strm->run_flag = 1; + + while(1) + { + /* Update the local file descriptor by the copy in the task parameter */ + memcpy((void *) &trfds, (void*) &rfds, sizeof(fd_set)); + + sretval = select(width + 1, &trfds, NULL, NULL, &tv); + + if (!strm->run_flag) { + break; + } + + /* error or timeout on select */ + if (sretval <= 0) { + continue; + } + + /* Check device control channel*/ + if (FD_ISSET(dev_ctx->dev_fd, &trfds)) { + if (tapi_dev_event_handler(strm) != PJ_SUCCESS) { + PJ_LOG(1,(THIS_FILE, "TAPI: event hanldler failed!")); + break; + } + } + + /* Check device data channel*/ + if (FD_ISSET(dev_ctx->ch_fd[dev_idx], &trfds)) { + if (tapi_dev_data_handler(strm) != PJ_SUCCESS) { + PJ_LOG(1,(THIS_FILE, "TAPI: data hanldler failed!")); + break; + } + } + } + + PJ_LOG(1,(THIS_FILE, "TAPI: thread stopping...")); + + return 0; +} + +/**************************************************************************** + Factory operations + ****************************************************************************/ + +/* Init tapi audio driver. */ +pjmedia_aud_dev_factory* pjmedia_tapi_factory(pj_pool_factory *pf) +{ + struct tapi_aud_factory *f; + pj_pool_t *pool; + + TRACE_((THIS_FILE, "pjmedia_tapi_factory()")); + + pool = pj_pool_create(pf, "tapi", 512, 512, NULL); + f = PJ_POOL_ZALLOC_T(pool, struct tapi_aud_factory); + f->pf = pf; + f->pool = pool; + f->base.op = &tapi_fact_op; + + return &f->base; +} + +/* API: init factory */ +static pj_status_t factory_init(pjmedia_aud_dev_factory *f) +{ + struct tapi_aud_factory *af = (struct tapi_aud_factory*)f; + pj_uint8_t c; + + TRACE_((THIS_FILE, "factory_init()")); + + /* Enumerate sound devices */ + af->dev_count = TAPI_AUDIO_DEV_NUM; + + af->dev_info = (pjmedia_aud_dev_info*) + pj_pool_calloc(af->pool, af->dev_count, sizeof(pjmedia_aud_dev_info)); + + for (c = 0; c < af->dev_count; c++) { + pj_ansi_sprintf(af->dev_info[c].name,"%s_%02d", TAPI_BASE_NAME, c); + + af->dev_info[c].input_count = af->dev_info[c].output_count = 1; + af->dev_info[c].default_samples_per_sec = TAPI_LL_DEV_ENC_SMPL_PER_SEC; + pj_ansi_strcpy(af->dev_info[c].driver, "/dev/vmmc"); + + af->dev_info[c].caps = PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING | + PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY | + PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY; + + af->dev_info[c].routes = PJMEDIA_AUD_DEV_ROUTE_DEFAULT ; + } + + /* Initialize TAPI device(s)*/ + if (tapi_dev_start(af) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - TAPI device init failed!")); + return PJ_EUNKNOWN; + } + + return PJ_SUCCESS; +} + +/* API: destroy factory */ +static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f) +{ + struct tapi_aud_factory *af = (struct tapi_aud_factory*)f; + pj_pool_t *pool; + pj_status_t status = PJ_SUCCESS; + + TRACE_((THIS_FILE, "factory_destroy()")); + + /* Stop TAPI device*/ + if (tapi_dev_stop(f) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - TAPI device stop failed!")); + status = PJ_EUNKNOWN; + } + + pool = af->pool; + af->pool = NULL; + pj_pool_release(pool); + + return status; +} + +/* API: get number of devices */ +static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f) +{ + struct tapi_aud_factory *af = (struct tapi_aud_factory*)f; + TRACE_((THIS_FILE, "factory_get_dev_count()")); + + return af->dev_count; +} + +/* API: get device info */ +static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, + unsigned index, + pjmedia_aud_dev_info *info) +{ + struct tapi_aud_factory *af = (struct tapi_aud_factory*)f; + + TRACE_((THIS_FILE, "factory_get_dev_info()")); + PJ_ASSERT_RETURN(index < af->dev_count, PJMEDIA_EAUD_INVDEV); + + pj_memcpy(info, &af->dev_info[index], sizeof(*info)); + + return PJ_SUCCESS; +} + +/* API: create default device parameter */ +static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, + unsigned index, + pjmedia_aud_param *param) +{ + struct tapi_aud_factory *af = (struct tapi_aud_factory*)f; + struct pjmedia_aud_dev_info *di = &af->dev_info[index]; + + TRACE_((THIS_FILE, "factory_default_param.")); + PJ_ASSERT_RETURN(index < af->dev_count, PJMEDIA_EAUD_INVDEV); + + pj_bzero(param, sizeof(*param)); + if (di->input_count && di->output_count) { + param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; + param->rec_id = index; + param->play_id = index; + } else if (di->input_count) { + param->dir = PJMEDIA_DIR_CAPTURE; + param->rec_id = index; + param->play_id = PJMEDIA_AUD_INVALID_DEV; + } else if (di->output_count) { + param->dir = PJMEDIA_DIR_PLAYBACK; + param->play_id = index; + param->rec_id = PJMEDIA_AUD_INVALID_DEV; + } else { + return PJMEDIA_EAUD_INVDEV; + } + + param->clock_rate = TAPI_LL_DEV_ENC_SMPL_PER_SEC; //di->default_samples_per_sec; + param->channel_count = 1; + param->samples_per_frame = TAPI_LL_DEV_ENC_SMPL_PER_FRAME; + param->bits_per_sample = TAPI_LL_DEV_ENC_BITS_PER_SMPLS; + param->flags = PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE | di->caps; + param->output_route = PJMEDIA_AUD_DEV_ROUTE_DEFAULT; + + return PJ_SUCCESS; +} + +/* API: create stream */ +static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, + const pjmedia_aud_param *param, + pjmedia_aud_rec_cb rec_cb, + pjmedia_aud_play_cb play_cb, + void *user_data, + pjmedia_aud_stream **p_aud_strm) +{ + struct tapi_aud_factory *af = (struct tapi_aud_factory*)f; + pj_pool_t *pool; + struct tapi_aud_stream *strm; + pj_status_t status; + + TRACE_((THIS_FILE, "factory_create_stream()")); + + /* Can only support 16bits per sample */ + PJ_ASSERT_RETURN(param->bits_per_sample == TAPI_LL_DEV_ENC_BITS_PER_SMPLS, PJ_EINVAL); + printf("param->clock_rate = %d, samples_per_frame = %d\n", param->clock_rate, param->samples_per_frame); + PJ_ASSERT_RETURN(param->clock_rate == TAPI_LL_DEV_ENC_SMPL_PER_SEC, PJ_EINVAL); + + PJ_ASSERT_RETURN(param->samples_per_frame == TAPI_LL_DEV_ENC_SMPL_PER_FRAME, PJ_EINVAL); + + /* Can only support bidirectional stream */ + PJ_ASSERT_RETURN(param->dir & PJMEDIA_DIR_CAPTURE_PLAYBACK, PJ_EINVAL); + + /* Initialize our stream data */ + pool = pj_pool_create(af->pf, "tapi-dev", 1000, 1000, NULL); + PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); + + strm = PJ_POOL_ZALLOC_T(pool, struct tapi_aud_stream); + strm->pool = pool; + strm->rec_cb = rec_cb; + strm->play_cb = play_cb; + strm->user_data = user_data; + pj_memcpy(&strm->param, param, sizeof(*param)); + + if ((strm->param.flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT) == 0) { + strm->param.ext_fmt.id = PJMEDIA_FORMAT_L16; + } + + strm->timestamp.u64 = 0; + strm->dev_ctx = &(af->dev_ctx); + + /* Create and start the thread */ + status = pj_thread_create(pool, "tapi", &tapi_dev_thread, strm, 0, 0, + &strm->thread); + if (status != PJ_SUCCESS) { + stream_destroy(&strm->base); + return status; + } + + /* Done */ + strm->base.op = &tapi_strm_op; + *p_aud_strm = &strm->base; + + return PJ_SUCCESS; +} + +/**************************************************************************** + * Stream operations + */ +/* API: Get stream info. */ +static pj_status_t stream_get_param(pjmedia_aud_stream *s, + pjmedia_aud_param *pi) +{ + struct tapi_aud_stream *strm = (struct tapi_aud_stream*)s; + + PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); + + pj_memcpy(pi, &strm->param, sizeof(*pi)); + /* Update the volume setting */ + if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, + &pi->output_vol) == PJ_SUCCESS) + { + pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; + } + + if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY, + &pi->output_latency_ms) == PJ_SUCCESS) + { + pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY; + } + + if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY, + &pi->input_latency_ms) == PJ_SUCCESS) + { + pi->flags |= PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY; + } + + return PJ_SUCCESS; +} + +/* API: get capability */ +static pj_status_t stream_get_cap(pjmedia_aud_stream *s, + pjmedia_aud_dev_cap cap, + void *pval) +{ + struct tapi_aud_stream *strm = (struct tapi_aud_stream*)s; +#ifdef OLD_IMPL + OSStatus status = 0; + PJ_ASSERT_RETURN(strm && pval, PJ_EINVAL); + + if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING && strm->play_strm->queue) + { + Float32 vol; + status = AudioQueueGetParameter(strm->play_strm->queue, + kAudioQueueParam_Volume, &vol); + if (!status) + { + *(unsigned*)pval = (vol * 100); + return PJ_SUCCESS; + } + } + else if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY && strm->play_strm->queue) + { + Float32 lat; + UInt32 size = sizeof(lat); + status = AudioSessionGetProperty(kAudioSessionProperty_CurrentHardwareOutputLatency, + &size, &lat); + if (!status) + { + *(unsigned*)pval = lat * 1000; + return PJ_SUCCESS; + } + } + else if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE && strm->play_strm->queue) + { + *(pjmedia_aud_dev_route*)pval = strm->param.output_route; + return PJ_SUCCESS; + } + else if (cap==PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY && strm->rec_strm->queue) + { + Float32 lat; + UInt32 size = sizeof(lat); + status = AudioSessionGetProperty(kAudioSessionProperty_CurrentHardwareInputLatency, + &size, &lat); + if (!status) + { + *(unsigned*)pval = lat * 1000; + return PJ_SUCCESS; + } + } + + if (status) + PJ_LOG(1, (THIS_FILE, "AudioQueueGetParameter/AudioSessionGetProperty err %d", status)); + return PJMEDIA_EAUD_INVCAP; +#else + return PJ_SUCCESS; +#endif +} + +/* API: set capability */ +static pj_status_t stream_set_cap(pjmedia_aud_stream *s, + pjmedia_aud_dev_cap cap, + const void *pval) +{ + struct tapi_aud_stream *strm = (struct tapi_aud_stream*)s; +#ifdef OLD_IMPL + OSStatus status = 0; + PJ_ASSERT_RETURN(strm && pval, PJ_EINVAL); + + if (strm->play_strm->queue) + switch (cap) + { + case PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING: + { + /* Output volume setting */ + unsigned vol = *(unsigned*)pval; + Float32 volume; + + if (vol > 100) + vol = 100; + volume = vol / 100.; + status = AudioQueueSetParameter(strm->play_strm->queue, kAudioQueueParam_Volume, + volume); + if (!status) + { + PJ_LOG(1, (THIS_FILE, "AudioQueueSetParameter err %d", status)); + return PJMEDIA_EAUD_SYSERR; + } + strm->param.output_vol = *(unsigned*)pval; + return PJ_SUCCESS; + } + case PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE: + { + pjmedia_aud_dev_route r = *(const pjmedia_aud_dev_route*)pval; + UInt32 route = (r == PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER ? + kAudioSessionOverrideAudioRoute_Speaker : + kAudioSessionOverrideAudioRoute_None); + + status = AudioSessionSetProperty (kAudioSessionProperty_OverrideAudioRoute, + sizeof(route), &route); + if (status) + { + PJ_LOG(1, (THIS_FILE, "AudioSessionSetProperty err %d", status)); + return PJMEDIA_EAUD_SYSERR; + } + strm->param.output_route = r; + return PJ_SUCCESS; + } + default: + return PJMEDIA_EAUD_INVCAP; + } + + + return PJMEDIA_EAUD_INVCAP; +#else + return PJ_SUCCESS; +#endif +} + +/* API: Start stream. */ +static pj_status_t stream_start(pjmedia_aud_stream *s) +{ + struct tapi_aud_stream *strm = (struct tapi_aud_stream*)s; + tapi_ctx *dev_ctx = strm->dev_ctx; + pj_uint32_t dev_idx; + + TRACE_((THIS_FILE, "stream_start()")); + + dev_idx = strm->param.rec_id; + + return PJ_SUCCESS; +} + +/* API: Stop stream. */ +static pj_status_t stream_stop(pjmedia_aud_stream *s) +{ + struct tapi_aud_stream *strm = (struct tapi_aud_stream*)s; + tapi_ctx *dev_ctx = strm->dev_ctx; + pj_uint32_t dev_idx; + + TRACE_((THIS_FILE, "stream_stop()")); + + dev_idx = strm->param.rec_id; + + /* enc/dec stop*/ + if (tapi_dev_codec_control(dev_ctx->ch_fd[dev_idx], 0) != PJ_SUCCESS) { + TRACE_((THIS_FILE, "ERROR - codec start failed!")); + + return PJ_EUNKNOWN; + } + + return PJ_SUCCESS; +} + +/* API: Destroy stream. */ +static pj_status_t stream_destroy(pjmedia_aud_stream *s) +{ + pj_status_t state = PJ_SUCCESS; + struct tapi_aud_stream *stream = (struct tapi_aud_stream*)s; + pj_pool_t *pool; + + PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); + + TRACE_((THIS_FILE, "stream_destroy()")); + + stream_stop(stream); + + stream->run_flag = 0; + + /* Stop the stream thread */ + if (stream->thread) + { + pj_thread_join(stream->thread); + pj_thread_destroy(stream->thread); + stream->thread = NULL; + } + + pool = stream->pool; + pj_bzero(stream, sizeof(stream)); + pj_pool_release(pool); + + return state; +} + +#endif /* PJMEDIA_AUDIO_DEV_HAS_TAPI_DEVICE */ |