| /* |
| ** Copyright (c) 2019, 2021, The Linux Foundation. All rights reserved. |
| ** |
| ** Copyright 2011, The Android Open Source Project |
| ** |
| ** Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are met: |
| ** * Redistributions of source code must retain the above copyright |
| ** notice, this list of conditions and the following disclaimer. |
| ** * Redistributions in binary form must reproduce the above copyright |
| ** notice, this list of conditions and the following disclaimer in the |
| ** documentation and/or other materials provided with the distribution. |
| ** * Neither the name of The Android Open Source Project nor the names of |
| ** its contributors may be used to endorse or promote products derived |
| ** from this software without specific prior written permission. |
| ** |
| ** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND |
| ** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE |
| ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| ** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| ** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| ** DAMAGE. |
| **/ |
| |
| #include <errno.h> |
| #include <tinyalsa/asoundlib.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <signal.h> |
| |
| #include <agm/agm_api.h> |
| #include "agmmixer.h" |
| |
| #define ID_RIFF 0x46464952 |
| #define ID_WAVE 0x45564157 |
| #define ID_FMT 0x20746d66 |
| #define ID_DATA 0x61746164 |
| |
| 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 close = 0; |
| |
| void play_sample(FILE *file, unsigned int card, unsigned int device, |
| struct chunk_fmt fmt, struct device_config *dev_config); |
| |
| void stream_close(int sig) |
| { |
| /* allow the stream to be closed gracefully */ |
| signal(sig, SIG_IGN); |
| close = 1; |
| } |
| |
| 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 card = 100, device = 100; |
| char *intf_name = NULL; |
| struct device_config config; |
| char *filename; |
| int more_chunks = 1, ret = 0; |
| |
| if (argc < 2) { |
| printf("Usage: %s file.wav [-D card] [-d device] [-i device_id]\n", |
| argv[0]); |
| return 1; |
| } |
| |
| filename = argv[1]; |
| file = fopen(filename, "rb"); |
| if (!file) { |
| printf("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)) { |
| printf("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); |
| } else if (strcmp(*argv, "-D") == 0) { |
| argv++; |
| if (*argv) |
| card = atoi(*argv); |
| } else if (strcmp(*argv, "-i") == 0) { |
| argv++; |
| if (*argv) |
| intf_name = *argv; |
| } |
| if (*argv) |
| argv++; |
| } |
| |
| if (intf_name == NULL) |
| return 1; |
| |
| ret = get_device_media_config(BACKEND_CONF_FILE, intf_name, &config); |
| if (ret) { |
| printf("Invalid input, entry not found for : %s\n", intf_name); |
| fclose(file); |
| return ret; |
| } |
| play_sample(file, card, device, chunk_fmt, &config); |
| |
| fclose(file); |
| |
| return 0; |
| } |
| |
| void play_sample(FILE *file, unsigned int card, unsigned int device, |
| struct chunk_fmt fmt, struct device_config *dev_config) |
| { |
| struct pcm_config config; |
| struct pcm *pcm; |
| struct mixer *mixer; |
| char *buffer; |
| int size; |
| int num_read; |
| char *name = dev_config->name; |
| |
| memset(&config, 0, sizeof(config)); |
| config.channels = fmt.num_channels; |
| config.rate = fmt.sample_rate; |
| config.period_size = 1024; |
| config.period_count = 4; |
| if (fmt.bits_per_sample == 32) |
| config.format = PCM_FORMAT_S32_LE; |
| else if (fmt.bits_per_sample == 24) |
| config.format = PCM_FORMAT_S24_3LE; |
| else if (fmt.bits_per_sample == 16) |
| config.format = PCM_FORMAT_S16_LE; |
| config.start_threshold = 0; |
| config.stop_threshold = 0; |
| config.silence_threshold = 0; |
| |
| printf("Backend %s rate ch bit : %d, %d, %d\n", name, |
| dev_config->rate, dev_config->ch, dev_config->bits); |
| mixer = mixer_open(card); |
| if (!mixer) { |
| printf("Failed to open mixer\n"); |
| return; |
| } |
| |
| /* set device/audio_intf media config mixer control */ |
| if (set_agm_device_media_config(mixer, dev_config->ch, dev_config->rate, |
| dev_config->bits, name)) { |
| printf("Failed to set device media config\n"); |
| goto err_close_mixer; |
| } |
| |
| /* set audio interface metadata mixer control */ |
| if (set_agm_audio_intf_metadata(mixer, name, PLAYBACK, |
| dev_config->rate, dev_config->bits, PCM_LL_PLAYBACK)) { |
| printf("Failed to set device metadata\n"); |
| goto err_close_mixer; |
| } |
| |
| /* set audio interface metadata mixer control */ |
| if (set_agm_stream_metadata(mixer, device, PCM_LL_PLAYBACK, PLAYBACK, STREAM_PCM, NULL)) { |
| printf("Failed to set pcm metadata\n"); |
| goto err_close_mixer; |
| } |
| |
| /* Note: No common metadata as of now*/ |
| |
| /* connect pcm stream to audio intf */ |
| if (connect_agm_audio_intf_to_stream(mixer, device, name, STREAM_PCM, true)) { |
| printf("Failed to connect pcm to audio interface\n"); |
| goto err_close_mixer; |
| } |
| |
| if (configure_mfc(mixer, device, name, PER_STREAM_PER_DEVICE_MFC, |
| STREAM_PCM, dev_config->rate, dev_config->ch, |
| dev_config->bits)) { |
| printf("Failed to configure pspd mfc\n"); |
| goto err_close_mixer; |
| } |
| |
| pcm = pcm_open(card, device, PCM_OUT, &config); |
| if (!pcm || !pcm_is_ready(pcm)) { |
| printf("Unable to open PCM device %u (%s)\n", |
| device, pcm_get_error(pcm)); |
| goto err_close_mixer; |
| } |
| |
| size = pcm_frames_to_bytes(pcm, pcm_get_buffer_size(pcm)); |
| buffer = malloc(size); |
| if (!buffer) { |
| printf("Unable to allocate %d bytes\n", size); |
| goto err_close_pcm; |
| } |
| |
| printf("Playing sample: %u ch, %u hz, %u bit\n", fmt.num_channels, |
| fmt.sample_rate, fmt.bits_per_sample); |
| |
| if (pcm_start(pcm) < 0) { |
| printf("start error\n"); |
| goto err_close_pcm; |
| } |
| |
| /* catch ctrl-c to shutdown cleanly */ |
| signal(SIGINT, stream_close); |
| |
| do { |
| num_read = fread(buffer, 1, size, file); |
| if (num_read > 0) { |
| if (pcm_write(pcm, buffer, num_read)) { |
| printf("Error playing sample\n"); |
| break; |
| } |
| } |
| } while (!close && num_read > 0); |
| |
| /* connect pcm stream to audio intf */ |
| connect_agm_audio_intf_to_stream(mixer, device, name, STREAM_PCM, false); |
| |
| free(buffer); |
| err_close_pcm: |
| pcm_close(pcm); |
| err_close_mixer: |
| mixer_close(mixer); |
| } |
| |