diff options
Diffstat (limited to 'exynos4/multimedia/codecs/sec_codecs/audio/exynos5/srp/alp/src/srp_api.c')
| -rw-r--r-- | exynos4/multimedia/codecs/sec_codecs/audio/exynos5/srp/alp/src/srp_api.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/exynos4/multimedia/codecs/sec_codecs/audio/exynos5/srp/alp/src/srp_api.c b/exynos4/multimedia/codecs/sec_codecs/audio/exynos5/srp/alp/src/srp_api.c new file mode 100644 index 0000000..56125fb --- /dev/null +++ b/exynos4/multimedia/codecs/sec_codecs/audio/exynos5/srp/alp/src/srp_api.c @@ -0,0 +1,265 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/time.h> +#include <fcntl.h> +#include <ctype.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <stdio.h> + +#include "srp_api.h" + +#define LOG_NDEBUG 1 +#define LOG_TAG "libsrpapi" +#include <utils/Log.h> + +static struct srp_buf_info ibuf_info; +static struct srp_buf_info obuf_info; +static struct srp_buf_info pcm_info; + +static int srp_dev = -1; +static int srp_block_mode = SRP_INIT_BLOCK_MODE; + +int SRP_Create(int block_mode) +{ + if (srp_dev == -1) { + srp_block_mode = block_mode; + srp_dev = open(SRP_DEV_NAME, O_RDWR | + ((block_mode == SRP_INIT_NONBLOCK_MODE) ? O_NDELAY : 0)); + if (srp_dev > 0) + return srp_dev; + else + return SRP_ERROR_OPEN_FAIL; + } + + LOGE("%s: Device is already opened", __func__); + return SRP_ERROR_ALREADY_OPEN; +} + +int SRP_Init() +{ + int ret = SRP_RETURN_OK; + unsigned int mmapped_size = 0; + + if (srp_dev != -1) { + ret = ioctl(srp_dev, SRP_INIT); + if (ret < 0) + return ret; + + /* mmap for OBUF */ + ret = ioctl(srp_dev, SRP_GET_MMAP_SIZE, &mmapped_size); + if (ret < 0) { + LOGE("%s: SRP_GET_MMAP_SIZE is failed", __func__); + return SRP_ERROR_OBUF_MMAP; + } + obuf_info.mmapped_addr = mmap(0, mmapped_size, + PROT_READ | PROT_WRITE, MAP_SHARED, srp_dev, 0); + if (!obuf_info.mmapped_addr) { + LOGE("%s: mmap is failed", __func__); + return SRP_ERROR_OBUF_MMAP; + } + obuf_info.mmapped_size = mmapped_size; + + ret = SRP_RETURN_OK; + } else { + LOGE("%s: Device is not ready", __func__); + ret = SRP_ERROR_NOT_READY; /* device is not created */ + } + + return ret; +} + +int SRP_Decode(void *buff, int size_byte) +{ + int ret = SRP_RETURN_OK; + + if (srp_dev != -1) { + if (size_byte > 0) { + LOGV("%s: Send data to RP (%d bytes)", __func__, size_byte); + + ret = write(srp_dev, buff, size_byte); /* Write Buffer to RP Driver */ + if (ret < 0) { + if (ret != SRP_ERROR_IBUF_OVERFLOW) + LOGE("SRP_Decode returned error code: %d", ret); + } + return ret; /* Write Success */ + } else { + return ret; + } + } + + LOGE("%s: Device is not ready", __func__); + return SRP_ERROR_NOT_READY; +} + +int SRP_Send_EOS(void) +{ + if (srp_dev != -1) + return ioctl(srp_dev, SRP_SEND_EOS); + + return SRP_ERROR_NOT_READY; +} + +int SRP_SetParams(int id, unsigned long val) +{ + if (srp_dev != -1) + return 0; /* not yet */ + + return SRP_ERROR_NOT_READY; +} + +int SRP_GetParams(int id, unsigned long *pval) +{ + if (srp_dev != -1) + return ioctl(srp_dev, id, pval); + + return SRP_ERROR_NOT_READY; +} + +int SRP_Flush(void) +{ + if (srp_dev != -1) + return ioctl(srp_dev, SRP_FLUSH); + + return SRP_ERROR_NOT_READY; +} + +int SRP_Get_PCM(void **addr, unsigned int *size) +{ + int ret = SRP_RETURN_OK; + + if (srp_dev != -1) { + ret = read(srp_dev, &pcm_info, 0); + if (ret == -1) { + *size = 0; + LOGE("%s: PCM read fail", __func__); + return SRP_ERROR_OBUF_READ; + } + + *addr = pcm_info.addr; + *size = pcm_info.size; + } else { + return SRP_ERROR_NOT_READY; + } + + return ret; /* Read Success */ +} + +int SRP_Get_Dec_Info(struct srp_dec_info *dec_info) +{ + int ret; + + if (srp_dev != -1) { + ret = ioctl(srp_dev, SRP_GET_DEC_INFO, dec_info); + if (ret < 0) { + LOGE("%s: Failed to get dec info", __func__); + return SRP_ERROR_GETINFO_FAIL; + } + + LOGV("numChannels(%d), samplingRate(%d)", dec_info->channels, dec_info->sample_rate); + + ret = SRP_RETURN_OK; + } else { + ret = SRP_ERROR_NOT_READY; + } + + return ret; +} + +int SRP_Get_Ibuf_Info(void **addr, unsigned int *size, unsigned int *num) +{ + int ret = SRP_RETURN_OK; + + if (srp_dev != -1) { + ret = ioctl(srp_dev, SRP_GET_IBUF_INFO, &ibuf_info); + if (ret == -1) { + LOGE("%s: Failed to get Ibuf info", __func__); + return SRP_ERROR_IBUF_INFO; + } + + *addr = ibuf_info.addr; + *size = ibuf_info.size; + *num = ibuf_info.num; + + if (*num == 0) { + LOGE("%s: IBUF num is 0", __func__); + return SRP_ERROR_INVALID_SETTING; + } + + ret = SRP_RETURN_OK; + } else { + ret = SRP_ERROR_NOT_READY; + } + + return ret; +} + +int SRP_Get_Obuf_Info(void **addr, unsigned int *size, unsigned int *num) +{ + int ret = SRP_RETURN_OK; + + if (srp_dev != -1) { + if (obuf_info.addr == NULL) { + ret = ioctl(srp_dev, SRP_GET_OBUF_INFO, &obuf_info); + if (ret < 0) { + LOGE("%s: SRP_GET_OBUF_INFO is failed", __func__); + return SRP_ERROR_OBUF_INFO; + } + } + + *addr = obuf_info.addr; + *size = obuf_info.size; + *num = obuf_info.num; + + if (*num == 0) { + LOGE("%s: OBUF num is 0", __func__); + return SRP_ERROR_INVALID_SETTING; + } + + ret = SRP_RETURN_OK; + } else { + ret = SRP_ERROR_NOT_READY; + } + + return ret; +} + +int SRP_Deinit(void) +{ + if (srp_dev != -1) { + munmap(obuf_info.mmapped_addr, obuf_info.mmapped_size); + return ioctl(srp_dev, SRP_DEINIT); + } + + return SRP_ERROR_NOT_READY; +} + +int SRP_Terminate(void) +{ + int ret; + + if (srp_dev != -1) { + ret = close(srp_dev); + + if (ret == 0) { + srp_dev = -1; /* device closed */ + return SRP_RETURN_OK; + } + } + + return SRP_ERROR_NOT_READY; +} + +int SRP_IsOpen(void) +{ + if (srp_dev == -1) { + LOGV("%s: Device is not opened", __func__); + return 0; + } + + LOGV("%s: Device is opened", __func__); + return 1; +} |