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Diffstat (limited to 'hifi/xaf/host-apf/playback/xa_playback.c')
-rw-r--r--hifi/xaf/host-apf/playback/xa_playback.c366
1 files changed, 366 insertions, 0 deletions
diff --git a/hifi/xaf/host-apf/playback/xa_playback.c b/hifi/xaf/host-apf/playback/xa_playback.c
new file mode 100644
index 00000000..2a8eefdf
--- /dev/null
+++ b/hifi/xaf/host-apf/playback/xa_playback.c
@@ -0,0 +1,366 @@
+/*******************************************************************************
+* 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
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