| /******************************************************************************* |
| * Copyright (C) 2018 Cadence Design Systems, Inc. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to use this Software with Cadence processor cores only and |
| * not with any other processors and platforms, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| ******************************************************************************/ |
| |
| #define MODULE_TAG PLYBK |
| |
| #include <tinyalsa/asoundlib.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <sys/ioctl.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <errno.h> |
| |
| #include "xf.h" |
| #include "xa_playback.h" |
| |
| #if 0 |
| #define ID_RIFF 0x46464952 |
| #define ID_WAVE 0x45564157 |
| #define ID_FMT 0x20746d66 |
| #define ID_DATA 0x61746164 |
| |
| #define HIFI_MISC_IOCTL_PCM_GAIN _IOW('A', 0x7b, struct misc_io_pcm_buf_param) |
| #define HIFI_DSP_MISC_DRIVER "/dev/hifi_misc" |
| struct misc_io_pcm_buf_param { |
| uint64_t buf; |
| uint32_t buf_size; |
| }; |
| |
| struct riff_wave_header { |
| uint32_t riff_id; |
| uint32_t riff_sz; |
| uint32_t wave_id; |
| }; |
| |
| struct chunk_header { |
| uint32_t id; |
| uint32_t sz; |
| }; |
| |
| struct chunk_fmt { |
| uint16_t audio_format; |
| uint16_t num_channels; |
| uint32_t sample_rate; |
| uint32_t byte_rate; |
| uint16_t block_align; |
| uint16_t bits_per_sample; |
| }; |
| |
| static int s_close = 0; |
| |
| void play_sample(FILE *file, unsigned int card, unsigned int device, unsigned int channels, |
| unsigned int rate, unsigned int bits, unsigned int period_size, |
| unsigned int period_count); |
| |
| void stream_close(int sig) |
| { |
| /* allow the stream to be closed gracefully */ |
| signal(sig, SIG_IGN); |
| s_close = 1; |
| } |
| #endif |
| |
| #if 0 |
| int main(int argc, char **argv) |
| { |
| FILE *file; |
| struct riff_wave_header riff_wave_header; |
| struct chunk_header chunk_header; |
| struct chunk_fmt chunk_fmt; |
| unsigned int device = 0; |
| unsigned int card = 0; |
| unsigned int period_size = 1024; |
| unsigned int period_count = 4; |
| char *filename; |
| int more_chunks = 1; |
| |
| if (argc < 2) { |
| fprintf(stderr, "Usage: %s file.wav [-D card] [-d device] [-p period_size]" |
| " [-n n_periods] \n", argv[0]); |
| return 1; |
| } |
| |
| filename = argv[1]; |
| file = fopen(filename, "rb"); |
| if (!file) { |
| fprintf(stderr, "Unable to open file '%s'\n", filename); |
| return 1; |
| } |
| |
| fread(&riff_wave_header, sizeof(riff_wave_header), 1, file); |
| if ((riff_wave_header.riff_id != ID_RIFF) || |
| (riff_wave_header.wave_id != ID_WAVE)) { |
| fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename); |
| fclose(file); |
| return 1; |
| } |
| |
| do { |
| fread(&chunk_header, sizeof(chunk_header), 1, file); |
| |
| switch (chunk_header.id) { |
| case ID_FMT: |
| fread(&chunk_fmt, sizeof(chunk_fmt), 1, file); |
| /* If the format header is larger, skip the rest */ |
| if (chunk_header.sz > sizeof(chunk_fmt)) |
| fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR); |
| break; |
| case ID_DATA: |
| /* Stop looking for chunks */ |
| more_chunks = 0; |
| break; |
| default: |
| /* Unknown chunk, skip bytes */ |
| fseek(file, chunk_header.sz, SEEK_CUR); |
| } |
| } while (more_chunks); |
| |
| /* parse command line arguments */ |
| argv += 2; |
| while (*argv) { |
| if (strcmp(*argv, "-d") == 0) { |
| argv++; |
| if (*argv) |
| device = atoi(*argv); |
| } |
| if (strcmp(*argv, "-p") == 0) { |
| argv++; |
| if (*argv) |
| period_size = atoi(*argv); |
| } |
| if (strcmp(*argv, "-n") == 0) { |
| argv++; |
| if (*argv) |
| period_count = atoi(*argv); |
| } |
| if (strcmp(*argv, "-D") == 0) { |
| argv++; |
| if (*argv) |
| card = atoi(*argv); |
| } |
| if (*argv) |
| argv++; |
| } |
| |
| play_sample(file, card, device, chunk_fmt.num_channels, chunk_fmt.sample_rate, |
| chunk_fmt.bits_per_sample, period_size, period_count); |
| |
| fclose(file); |
| |
| return 0; |
| } |
| #endif |
| |
| static int check_param(struct pcm_params *params, unsigned int param, unsigned int value, |
| char *param_name, char *param_unit) |
| { |
| unsigned int min; |
| unsigned int max; |
| int is_within_bounds = 1; |
| |
| min = pcm_params_get_min(params, param); |
| if (value < min) { |
| TRACE(ERROR, _x("%s is %u%s, device only supports >= %u%s\n"), param_name, value, |
| param_unit, min, param_unit); |
| is_within_bounds = 0; |
| } |
| |
| max = pcm_params_get_max(params, param); |
| if (value > max) { |
| TRACE(ERROR, _x("%s is %u%s, device only supports <= %u%s\n"), param_name, value, |
| param_unit, max, param_unit); |
| is_within_bounds = 0; |
| } |
| |
| return is_within_bounds; |
| } |
| |
| static int sample_is_playable(unsigned int card, unsigned int device, unsigned int channels, |
| unsigned int rate, unsigned int bits, unsigned int period_size, |
| unsigned int period_count) |
| { |
| struct pcm_params *params; |
| int can_play; |
| |
| params = pcm_params_get(card, device, PCM_OUT); |
| if (params == NULL) { |
| TRACE(ERROR, _x("Unable to open PCM device %u.\n"), device); |
| return 0; |
| } |
| |
| can_play = check_param(params, PCM_PARAM_RATE, rate, "Sample rate", "Hz"); |
| can_play &= check_param(params, PCM_PARAM_CHANNELS, channels, "Sample", " channels"); |
| can_play &= check_param(params, PCM_PARAM_SAMPLE_BITS, bits, "Bitrate", " bits"); |
| can_play &= check_param(params, PCM_PARAM_PERIOD_SIZE, period_size, "Period size", "Hz"); |
| can_play &= check_param(params, PCM_PARAM_PERIODS, period_count, "Period count", "Hz"); |
| |
| pcm_params_free(params); |
| |
| return can_play; |
| } |
| |
| void *xa_playback_open(unsigned int card, |
| unsigned int device, |
| unsigned int channels, |
| unsigned int rate, |
| unsigned int bits, |
| unsigned int period_size, |
| unsigned int period_count) |
| { |
| struct pcm_config config; |
| struct pcm *pcm; |
| |
| memset(&config, 0, sizeof(config)); |
| config.channels = channels; |
| config.rate = rate; |
| config.period_size = period_size; |
| config.period_count = period_count; |
| if (bits == 32) |
| config.format = PCM_FORMAT_S32_LE; |
| else if (bits == 16) |
| config.format = PCM_FORMAT_S16_LE; |
| config.start_threshold = 0; |
| config.stop_threshold = 0; |
| config.silence_threshold = 0; |
| |
| if (!sample_is_playable(card, device, channels, rate, bits, period_size, period_count)) { |
| return NULL; |
| } |
| |
| pcm = pcm_open(card, device, PCM_OUT, &config); |
| if (!pcm || !pcm_is_ready(pcm)) { |
| TRACE(ERROR, _x("Unable to open PCM device %u (%s)\n"), |
| device, pcm_get_error(pcm)); |
| return NULL; |
| } |
| |
| return pcm; |
| } |
| |
| int xa_playback_buf(void *handle, |
| const void *data, |
| unsigned int nbytes) |
| { |
| int err; |
| |
| if (!handle || !data) |
| return XA_PLAYBACK_INVALID_PARAM; |
| |
| if (nbytes > 0) { |
| err = pcm_write(handle, data, nbytes); |
| |
| if (err == -EINVAL) return XA_PLAYBACK_INVALID_PARAM; |
| if (err == -EPIPE ) return XA_PLAYBACK_UNDERRUN; |
| } |
| |
| return XA_PLAYBACK_OK; |
| } |
| |
| int xa_playback_close(void *handle) |
| { |
| return pcm_close(handle); |
| } |
| |
| #if 0 |
| void play_sample(FILE *file, unsigned int card, unsigned int device, unsigned int channels, |
| unsigned int rate, unsigned int bits, unsigned int period_size, |
| unsigned int period_count) |
| { |
| struct pcm_config config; |
| struct pcm *pcm; |
| char *buffer; |
| int size; |
| int num_read; |
| int hifi_dsp_fd; |
| struct misc_io_pcm_buf_param pcmbuf; |
| |
| hifi_dsp_fd = open(HIFI_DSP_MISC_DRIVER, O_RDWR, 0); |
| if(hifi_dsp_fd < 0){ |
| printf("Error opening hifi dsp device %d", errno); |
| } |
| |
| memset(&config, 0, sizeof(config)); |
| config.channels = channels; |
| config.rate = rate; |
| config.period_size = period_size; |
| config.period_count = period_count; |
| if (bits == 32) |
| config.format = PCM_FORMAT_S32_LE; |
| else if (bits == 16) |
| config.format = PCM_FORMAT_S16_LE; |
| config.start_threshold = 0; |
| config.stop_threshold = 0; |
| config.silence_threshold = 0; |
| |
| if (!sample_is_playable(card, device, channels, rate, bits, period_size, period_count)) { |
| return; |
| } |
| |
| pcm = pcm_open(card, device, PCM_OUT, &config); |
| if (!pcm || !pcm_is_ready(pcm)) { |
| fprintf(stderr, "Unable to open PCM device %u (%s)\n", |
| device, pcm_get_error(pcm)); |
| return; |
| } |
| |
| size = pcm_frames_to_bytes(pcm, pcm_get_buffer_size(pcm)); |
| buffer = malloc(size); |
| if (!buffer) { |
| fprintf(stderr, "Unable to allocate %d bytes\n", size); |
| free(buffer); |
| pcm_close(pcm); |
| return; |
| } |
| |
| printf("Playing sample: %u ch, %u hz, %u bit\n", channels, rate, bits); |
| |
| /* catch ctrl-c to shutdown cleanly */ |
| signal(SIGINT, stream_close); |
| |
| do { |
| num_read = fread(buffer, 1, size, file); |
| |
| pcmbuf.buf =(uint64_t) buffer; |
| pcmbuf.buf_size = num_read; |
| if(hifi_dsp_fd) { |
| // printf("ioctl send \n"); |
| ioctl(hifi_dsp_fd,HIFI_MISC_IOCTL_PCM_GAIN, &pcmbuf); |
| // printf("ioctl complete \n"); |
| } |
| |
| if (num_read > 0) { |
| if (pcm_write(pcm, buffer, num_read)) { |
| fprintf(stderr, "Error playing sample\n"); |
| break; |
| } |
| } |
| } while (!s_close && num_read > 0); |
| |
| free(buffer); |
| pcm_close(pcm); |
| close(hifi_dsp_fd); |
| } |
| #endif |