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openwrt-xburst/package/pjsip/patches/200-pjmedia_tapi_audiodev.patch
blogic ab17079a99 [pjsip] 
* update to version 1.8.5
* add code to allow selection of features via menuconfig
* add sound device backend for lantiq voip hardware



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25298 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-02-01 23:07:54 +00:00

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--- /dev/null
+++ b/pjmedia/src/pjmedia-audiodev/tapi_dev.c
@@ -0,0 +1,1024 @@
+/******************************************************************************
+
+ 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
+};
+
+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_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);
+ break;
+ case IFX_TAPI_EVENT_FXS_OFFHOOK:
+ status = tapi_dev_event_OFFHOOK(dev_ctx, dev_idx);
+ break;
+ default:
+ 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 = 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);
+
+ 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 */
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