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670 lines
21 KiB
670 lines
21 KiB
/*
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** Copyright 2010, The Android Open-Source Project
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** Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/poll.h>
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#include <sys/ioctl.h>
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#include <getopt.h>
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#include <sound/asound.h>
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#include "alsa_audio.h"
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#ifndef ANDROID
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#define strlcat g_strlcat
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#define strlcpy g_strlcpy
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#endif
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#define ID_RIFF 0x46464952
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#define ID_WAVE 0x45564157
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#define ID_FMT 0x20746d66
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#define ID_DATA 0x61746164
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#define FORMAT_PCM 1
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#define LOG_NDEBUG 1
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static pcm_flag = 1;
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static debug = 0;
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static uint32_t play_max_sz = 2147483648LL;
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static int format = SNDRV_PCM_FORMAT_S16_LE;
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static int period = 0;
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static int compressed = 0;
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static char *compr_codec;
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static int piped = 0;
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static struct option long_options[] =
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{
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{"pcm", 0, 0, 'P'},
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{"debug", 0, 0, 'V'},
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{"Mmap", 0, 0, 'M'},
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{"HW", 1, 0, 'D'},
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{"Rate", 1, 0, 'R'},
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{"channel", 1, 0, 'C'},
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{"format", 1, 0, 'F'},
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{"period", 1, 0, 'B'},
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{"compressed", 0, 0, 'T'},
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{0, 0, 0, 0}
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};
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struct wav_header {
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uint32_t riff_id;
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uint32_t riff_sz;
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uint32_t riff_fmt;
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uint32_t fmt_id;
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uint32_t fmt_sz;
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uint16_t audio_format;
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uint16_t num_channels;
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uint32_t sample_rate;
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uint32_t byte_rate; /* sample_rate * num_channels * bps / 8 */
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uint16_t block_align; /* num_channels * bps / 8 */
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uint16_t bits_per_sample;
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uint32_t data_id;
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uint32_t data_sz;
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};
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static int set_params(struct pcm *pcm)
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{
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struct snd_pcm_hw_params *params;
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struct snd_pcm_sw_params *sparams;
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unsigned long periodSize, bufferSize, reqBuffSize;
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unsigned int periodTime, bufferTime;
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unsigned int requestedRate = pcm->rate;
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int channels = (pcm->flags & PCM_MONO) ? 1 : ((pcm->flags & PCM_5POINT1)? 6 : 2 );
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params = (struct snd_pcm_hw_params*) calloc(1, sizeof(struct snd_pcm_hw_params));
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if (!params) {
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fprintf(stderr, "Aplay:Failed to allocate ALSA hardware parameters!");
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return -ENOMEM;
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}
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param_init(params);
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param_set_mask(params, SNDRV_PCM_HW_PARAM_ACCESS,
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(pcm->flags & PCM_MMAP)? SNDRV_PCM_ACCESS_MMAP_INTERLEAVED : SNDRV_PCM_ACCESS_RW_INTERLEAVED);
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param_set_mask(params, SNDRV_PCM_HW_PARAM_FORMAT, pcm->format);
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param_set_mask(params, SNDRV_PCM_HW_PARAM_SUBFORMAT,
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SNDRV_PCM_SUBFORMAT_STD);
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if (period)
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param_set_min(params, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, period);
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else
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param_set_min(params, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 10);
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param_set_int(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS, 16);
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param_set_int(params, SNDRV_PCM_HW_PARAM_FRAME_BITS,
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pcm->channels * 16);
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param_set_int(params, SNDRV_PCM_HW_PARAM_CHANNELS,
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pcm->channels);
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param_set_int(params, SNDRV_PCM_HW_PARAM_RATE, pcm->rate);
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param_set_hw_refine(pcm, params);
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if (param_set_hw_params(pcm, params)) {
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fprintf(stderr, "Aplay:cannot set hw params\n");
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return -errno;
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}
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if (debug)
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param_dump(params);
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pcm->buffer_size = pcm_buffer_size(params);
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pcm->period_size = pcm_period_size(params);
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pcm->period_cnt = pcm->buffer_size/pcm->period_size;
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if (debug) {
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fprintf (stderr,"period_cnt = %d\n", pcm->period_cnt);
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fprintf (stderr,"period_size = %d\n", pcm->period_size);
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fprintf (stderr,"buffer_size = %d\n", pcm->buffer_size);
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}
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sparams = (struct snd_pcm_sw_params*) calloc(1, sizeof(struct snd_pcm_sw_params));
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if (!sparams) {
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fprintf(stderr, "Aplay:Failed to allocate ALSA software parameters!\n");
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return -ENOMEM;
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}
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// Get the current software parameters
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sparams->tstamp_mode = SNDRV_PCM_TSTAMP_NONE;
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sparams->period_step = 1;
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sparams->avail_min = pcm->period_size/(channels * 2) ;
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sparams->start_threshold = pcm->period_size/(channels * 2) ;
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sparams->stop_threshold = pcm->buffer_size ;
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sparams->xfer_align = pcm->period_size/(channels * 2) ; /* needed for old kernels */
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sparams->silence_size = 0;
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sparams->silence_threshold = 0;
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if (param_set_sw_params(pcm, sparams)) {
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fprintf(stderr, "Aplay:cannot set sw params");
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return -errno;
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}
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if (debug) {
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fprintf (stderr,"sparams->avail_min= %lu\n", sparams->avail_min);
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fprintf (stderr," sparams->start_threshold= %lu\n", sparams->start_threshold);
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fprintf (stderr," sparams->stop_threshold= %lu\n", sparams->stop_threshold);
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fprintf (stderr," sparams->xfer_align= %lu\n", sparams->xfer_align);
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fprintf (stderr," sparams->boundary= %lu\n", sparams->boundary);
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}
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return 0;
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}
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static int play_file(unsigned rate, unsigned channels, int fd,
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unsigned flags, const char *device, unsigned data_sz)
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{
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struct pcm *pcm;
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struct mixer *mixer;
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struct pcm_ctl *ctl = NULL;
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unsigned bufsize;
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char *data;
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long avail;
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long frames;
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int nfds = 1;
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struct snd_xferi x;
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unsigned offset = 0;
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int err;
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static int start = 0;
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struct pollfd pfd[1];
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int remainingData = 0;
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flags |= PCM_OUT;
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if (channels == 1)
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flags |= PCM_MONO;
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else if (channels == 6)
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flags |= PCM_5POINT1;
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else
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flags |= PCM_STEREO;
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if (debug)
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flags |= DEBUG_ON;
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else
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flags |= DEBUG_OFF;
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pcm = pcm_open(flags, device);
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if (pcm < 0)
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return pcm;
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if (!pcm_ready(pcm)) {
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pcm_close(pcm);
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return -EBADFD;
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}
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#ifdef QCOM_COMPRESSED_AUDIO_ENABLED
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if (compressed) {
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struct snd_compr_caps compr_cap;
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struct snd_compr_params compr_params;
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if (ioctl(pcm->fd, SNDRV_COMPRESS_GET_CAPS, &compr_cap)) {
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fprintf(stderr, "Aplay: SNDRV_COMPRESS_GET_CAPS, failed Error no %d \n", errno);
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pcm_close(pcm);
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return -errno;
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}
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if (!period)
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period = compr_cap.min_fragment_size;
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switch (get_compressed_format(compr_codec)) {
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case FORMAT_MP3:
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compr_params.codec.id = compr_cap.codecs[FORMAT_MP3];
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break;
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case FORMAT_AC3_PASS_THROUGH:
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compr_params.codec.id = compr_cap.codecs[FORMAT_AC3_PASS_THROUGH];
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printf("codec -d = %x\n", compr_params.codec.id);
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break;
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default:
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break;
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}
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if (ioctl(pcm->fd, SNDRV_COMPRESS_SET_PARAMS, &compr_params)) {
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fprintf(stderr, "Aplay: SNDRV_COMPRESS_SET_PARAMS,failed Error no %d \n", errno);
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pcm_close(pcm);
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return -errno;
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}
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}
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#endif
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pcm->channels = channels;
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pcm->rate = rate;
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pcm->flags = flags;
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pcm->format = format;
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if (set_params(pcm)) {
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fprintf(stderr, "Aplay:params setting failed\n");
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pcm_close(pcm);
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return -errno;
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}
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if (!pcm_flag) {
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if (pcm_prepare(pcm)) {
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fprintf(stderr, "Aplay:Failed in pcm_prepare\n");
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pcm_close(pcm);
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return -errno;
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}
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if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_START)) {
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fprintf(stderr, "Aplay: Hostless IOCTL_START Error no %d \n", errno);
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pcm_close(pcm);
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return -errno;
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}
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while(1);
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}
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remainingData = data_sz;
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if (flags & PCM_MMAP) {
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u_int8_t *dst_addr = NULL;
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struct snd_pcm_sync_ptr *sync_ptr1 = pcm->sync_ptr;
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if (mmap_buffer(pcm)) {
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fprintf(stderr, "Aplay:params setting failed\n");
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pcm_close(pcm);
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return -errno;
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}
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if (pcm_prepare(pcm)) {
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fprintf(stderr, "Aplay:Failed in pcm_prepare\n");
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pcm_close(pcm);
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return -errno;
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}
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bufsize = pcm->period_size;
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if (debug)
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fprintf(stderr, "Aplay:bufsize = %d\n", bufsize);
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pfd[0].fd = pcm->timer_fd;
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pfd[0].events = POLLIN;
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frames = (pcm->flags & PCM_MONO) ? (bufsize / 2) : (bufsize / 4);
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for (;;) {
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if (!pcm->running) {
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if (pcm_prepare(pcm)) {
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fprintf(stderr, "Aplay:Failed in pcm_prepare\n");
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pcm_close(pcm);
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return -errno;
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}
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pcm->running = 1;
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start = 0;
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}
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/* Sync the current Application pointer from the kernel */
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pcm->sync_ptr->flags = SNDRV_PCM_SYNC_PTR_APPL | SNDRV_PCM_SYNC_PTR_AVAIL_MIN;//SNDRV_PCM_SYNC_PTR_HWSYNC;
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err = sync_ptr(pcm);
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if (err == EPIPE) {
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fprintf(stderr, "Aplay:Failed in sync_ptr \n");
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/* we failed to make our window -- try to restart */
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pcm->underruns++;
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pcm->running = 0;
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continue;
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}
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/*
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* Check for the available buffer in driver. If available buffer is
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* less than avail_min we need to wait
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*/
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avail = pcm_avail(pcm);
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if (avail < 0) {
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fprintf(stderr, "Aplay:Failed in pcm_avail\n");
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pcm_close(pcm);
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return avail;
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}
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if (avail < pcm->sw_p->avail_min) {
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poll(pfd, nfds, TIMEOUT_INFINITE);
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continue;
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}
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/*
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* Now that we have buffer size greater than avail_min available to
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* to be written we need to calcutate the buffer offset where we can
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* start writting.
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*/
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dst_addr = dst_address(pcm);
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if (debug) {
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fprintf(stderr, "dst_addr = 0x%08x\n", dst_addr);
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fprintf(stderr, "Aplay:avail = %d frames = %d\n",avail, frames);
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fprintf(stderr, "Aplay:sync_ptr->s.status.hw_ptr %ld pcm->buffer_size %d sync_ptr->c.control.appl_ptr %ld\n",
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pcm->sync_ptr->s.status.hw_ptr,
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pcm->buffer_size,
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pcm->sync_ptr->c.control.appl_ptr);
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}
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/*
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* Read from the file to the destination buffer in kernel mmaped buffer
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* This reduces a extra copy of intermediate buffer.
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*/
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memset(dst_addr, 0x0, bufsize);
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if (data_sz && !piped) {
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if (remainingData < bufsize) {
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bufsize = remainingData;
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frames = (pcm->flags & PCM_MONO) ? (remainingData / 2) : (remainingData / 4);
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}
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}
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err = read(fd, dst_addr , bufsize);
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if (debug)
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fprintf(stderr, "read %d bytes from file\n", err);
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if (err <= 0)
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break;
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if (data_sz && !piped) {
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remainingData -= bufsize;
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if (remainingData <= 0)
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break;
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}
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/*
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* Increment the application pointer with data written to kernel.
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* Update kernel with the new sync pointer.
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*/
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pcm->sync_ptr->c.control.appl_ptr += frames;
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pcm->sync_ptr->flags = 0;
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err = sync_ptr(pcm);
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if (err == EPIPE) {
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fprintf(stderr, "Aplay:Failed in sync_ptr 2 \n");
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/* we failed to make our window -- try to restart */
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pcm->underruns++;
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pcm->running = 0;
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continue;
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}
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if (debug) {
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fprintf(stderr, "Aplay:sync_ptr->s.status.hw_ptr %ld sync_ptr->c.control.appl_ptr %ld\n",
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pcm->sync_ptr->s.status.hw_ptr,
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pcm->sync_ptr->c.control.appl_ptr);
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#ifdef QCOM_COMPRESSED_AUDIO_ENABLED
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if (compressed && start) {
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struct snd_compr_tstamp tstamp;
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if (ioctl(pcm->fd, SNDRV_COMPRESS_TSTAMP, &tstamp))
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fprintf(stderr, "Aplay: failed SNDRV_COMPRESS_TSTAMP\n");
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else
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fprintf(stderr, "timestamp = %lld\n", tstamp.timestamp);
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}
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#endif
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}
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/*
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* If we have reached start threshold of buffer prefill,
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* its time to start the driver.
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*/
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if(start)
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goto start_done;
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if (ioctl(pcm->fd, SNDRV_PCM_IOCTL_START)) {
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err = -errno;
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if (errno == EPIPE) {
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fprintf(stderr, "Aplay:Failed in SNDRV_PCM_IOCTL_START\n");
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/* we failed to make our window -- try to restart */
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pcm->underruns++;
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pcm->running = 0;
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continue;
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} else {
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fprintf(stderr, "Aplay:Error no %d \n", errno);
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pcm_close(pcm);
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return -errno;
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}
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} else
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start = 1;
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start_done:
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offset += frames;
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}
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while(1) {
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pcm->sync_ptr->flags = SNDRV_PCM_SYNC_PTR_APPL | SNDRV_PCM_SYNC_PTR_AVAIL_MIN;//SNDRV_PCM_SYNC_PTR_HWSYNC;
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sync_ptr(pcm);
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/*
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* Check for the available buffer in driver. If available buffer is
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* less than avail_min we need to wait
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*/
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if (pcm->sync_ptr->s.status.hw_ptr >= pcm->sync_ptr->c.control.appl_ptr) {
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fprintf(stderr, "Aplay:sync_ptr->s.status.hw_ptr %ld sync_ptr->c.control.appl_ptr %ld\n",
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pcm->sync_ptr->s.status.hw_ptr,
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pcm->sync_ptr->c.control.appl_ptr);
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break;
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} else
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poll(pfd, nfds, TIMEOUT_INFINITE);
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}
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} else {
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if (pcm_prepare(pcm)) {
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fprintf(stderr, "Aplay:Failed in pcm_prepare\n");
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pcm_close(pcm);
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return -errno;
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}
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bufsize = pcm->period_size;
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data = calloc(1, bufsize);
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if (!data) {
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fprintf(stderr, "Aplay:could not allocate %d bytes\n", bufsize);
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pcm_close(pcm);
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return -ENOMEM;
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}
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if (data_sz && !piped) {
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if (remainingData < bufsize)
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bufsize = remainingData;
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}
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while (read(fd, data, bufsize) > 0) {
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if (pcm_write(pcm, data, bufsize)){
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fprintf(stderr, "Aplay: pcm_write failed\n");
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free(data);
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pcm_close(pcm);
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return -errno;
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}
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memset(data, 0, bufsize);
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if (data_sz && !piped) {
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remainingData -= bufsize;
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if (remainingData <= 0)
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break;
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if (remainingData < bufsize)
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bufsize = remainingData;
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}
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}
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free(data);
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}
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fprintf(stderr, "Aplay: Done playing\n");
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pcm_close(pcm);
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return 0;
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}
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int play_raw(const char *fg, int rate, int ch, const char *device, const char *fn)
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{
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int fd;
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unsigned flag = 0;
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if(!fn) {
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fd = fileno(stdin);
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piped = 1;
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} else {
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fd = open(fn, O_RDONLY);
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if (fd < 0) {
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fprintf(stderr, "Aplay:aplay: cannot open '%s'\n", fn);
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return fd;
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}
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}
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if (!strncmp(fg, "M", sizeof("M")))
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flag = PCM_MMAP;
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else if (!strncmp(fg, "N", sizeof("N")))
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flag = PCM_NMMAP;
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|
|
fprintf(stderr, "aplay: Playing '%s': format %s ch = %d\n",
|
|
fn, get_format_desc(format), ch );
|
|
return play_file(rate, ch, fd, flag, device, 0);
|
|
}
|
|
|
|
int play_wav(const char *fg, int rate, int ch, const char *device, const char *fn)
|
|
{
|
|
struct wav_header hdr;
|
|
int fd;
|
|
unsigned flag = 0;
|
|
|
|
if (pcm_flag) {
|
|
if(!fn) {
|
|
fd = fileno(stdin);
|
|
piped = 1;
|
|
} else {
|
|
fd = open(fn, O_RDONLY);
|
|
if (fd < 0) {
|
|
fprintf(stderr, "Aplay:aplay: cannot open '%s'\n", fn);
|
|
return fd;
|
|
}
|
|
}
|
|
if (compressed) {
|
|
hdr.sample_rate = rate;
|
|
hdr.num_channels = ch;
|
|
hdr.data_sz = 0;
|
|
goto ignore_header;
|
|
}
|
|
|
|
if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr)) {
|
|
fprintf(stderr, "Aplay:aplay: cannot read header\n");
|
|
return -errno;
|
|
}
|
|
|
|
if ((hdr.riff_id != ID_RIFF) ||
|
|
(hdr.riff_fmt != ID_WAVE) ||
|
|
(hdr.fmt_id != ID_FMT)) {
|
|
fprintf(stderr, "Aplay:aplay: '%s' is not a riff/wave file\n", fn);
|
|
return -EINVAL;
|
|
}
|
|
if ((hdr.audio_format != FORMAT_PCM) ||
|
|
(hdr.fmt_sz != 16)) {
|
|
fprintf(stderr, "Aplay:aplay: '%s' is not pcm format\n", fn);
|
|
return -EINVAL;
|
|
}
|
|
if (hdr.bits_per_sample != 16) {
|
|
fprintf(stderr, "Aplay:aplay: '%s' is not 16bit per sample\n", fn);
|
|
return -EINVAL;
|
|
}
|
|
} else {
|
|
fd = -EBADFD;
|
|
hdr.sample_rate = rate;
|
|
hdr.num_channels = ch;
|
|
hdr.data_sz = 0;
|
|
}
|
|
|
|
ignore_header:
|
|
if (!strncmp(fg, "M", sizeof("M")))
|
|
flag = PCM_MMAP;
|
|
else if (!strncmp(fg, "N", sizeof("N")))
|
|
flag = PCM_NMMAP;
|
|
fprintf(stderr, "aplay: Playing '%s':%s\n", fn, get_format_desc(format) );
|
|
|
|
return play_file(hdr.sample_rate, hdr.num_channels, fd, flag, device, hdr.data_sz);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int option_index = 0;
|
|
int c,i;
|
|
int ch = 2;
|
|
int rate = 44100;
|
|
char *mmap = "N";
|
|
char *device = "hw:0,0";
|
|
char *filename;
|
|
int rc = 0;
|
|
|
|
if (argc <2) {
|
|
printf("\nUsage: aplay [options] <file>\n"
|
|
"options:\n"
|
|
"-D <hw:C,D> -- Alsa PCM by name\n"
|
|
"-M -- Mmap stream\n"
|
|
"-P -- Hostless steam[No PCM]\n"
|
|
"-C -- Channels\n"
|
|
"-R -- Rate\n"
|
|
"-V -- verbose\n"
|
|
"-F -- Format\n"
|
|
"-B -- Period\n"
|
|
"-T <MP3, AAC, AC3_PASS_THROUGH> -- Compressed\n"
|
|
"<file> \n");
|
|
fprintf(stderr, "Formats Supported:\n");
|
|
for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; ++i)
|
|
if (get_format_name(i))
|
|
fprintf(stderr, "%s ", get_format_name(i));
|
|
fprintf(stderr, "\nSome of these may not be available on selected hardware\n");
|
|
return 0;
|
|
}
|
|
while ((c = getopt_long(argc, argv, "PVMD:R:C:F:B:T:", long_options, &option_index)) != -1) {
|
|
switch (c) {
|
|
case 'P':
|
|
pcm_flag = 0;
|
|
break;
|
|
case 'V':
|
|
debug = 1;
|
|
break;
|
|
case 'M':
|
|
mmap = "M";
|
|
break;
|
|
case 'D':
|
|
device = optarg;
|
|
break;
|
|
case 'R':
|
|
rate = (int)strtol(optarg, NULL, 0);
|
|
break;
|
|
case 'C':
|
|
ch = (int)strtol(optarg, NULL, 0);
|
|
break;
|
|
case 'F':
|
|
printf("optarg = %s\n", optarg);
|
|
format = get_format(optarg);
|
|
break;
|
|
case 'B':
|
|
period = (int)strtol(optarg, NULL, 0);
|
|
break;
|
|
case 'T':
|
|
compressed = 1;
|
|
printf("compressed codec type requested = %s\n", optarg);
|
|
compr_codec = optarg;
|
|
break;
|
|
default:
|
|
printf("\nUsage: aplay [options] <file>\n"
|
|
"options:\n"
|
|
"-D <hw:C,D> -- Alsa PCM by name\n"
|
|
"-M -- Mmap stream\n"
|
|
"-P -- Hostless steam[No PCM]\n"
|
|
"-V -- verbose\n"
|
|
"-C -- Channels\n"
|
|
"-R -- Rate\n"
|
|
"-F -- Format\n"
|
|
"-B -- Period\n"
|
|
"-T -- Compressed\n"
|
|
"<file> \n");
|
|
fprintf(stderr, "Formats Supported:\n");
|
|
for (i = 0; i < SNDRV_PCM_FORMAT_LAST; ++i)
|
|
if (get_format_name(i))
|
|
fprintf(stderr, "%s ", get_format_name(i));
|
|
fprintf(stderr, "\nSome of these may not be available on selected hardware\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
}
|
|
filename = (char*) calloc(1, 30);
|
|
if (!filename) {
|
|
fprintf(stderr, "Aplay:Failed to allocate filename!");
|
|
return -ENOMEM;
|
|
}
|
|
if (optind > argc - 1) {
|
|
free(filename);
|
|
filename = NULL;
|
|
} else {
|
|
strlcpy(filename, argv[optind++], 30);
|
|
}
|
|
|
|
if (pcm_flag) {
|
|
if (format == SNDRV_PCM_FORMAT_S16_LE)
|
|
rc = play_wav(mmap, rate, ch, device, filename);
|
|
else
|
|
rc = play_raw(mmap, rate, ch, device, filename);
|
|
} else {
|
|
rc = play_wav(mmap, rate, ch, device, "dummy");
|
|
}
|
|
if (filename)
|
|
free(filename);
|
|
|
|
return rc;
|
|
}
|
|
|