[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/lib/libtinyalsa/tinycap.c b/ap/lib/libtinyalsa/tinycap.c
new file mode 100644
index 0000000..901c540
--- /dev/null
+++ b/ap/lib/libtinyalsa/tinycap.c
@@ -0,0 +1,235 @@
+/* tinycap.c
+**
+** 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 <tinyalsa/asoundlib.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <signal.h>
+#include <string.h>
+
+#define ID_RIFF 0x46464952
+#define ID_WAVE 0x45564157
+#define ID_FMT 0x20746d66
+#define ID_DATA 0x61746164
+
+#define FORMAT_PCM 1
+
+struct wav_header {
+ uint32_t riff_id;
+ uint32_t riff_sz;
+ uint32_t riff_fmt;
+ uint32_t fmt_id;
+ uint32_t fmt_sz;
+ 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;
+ uint32_t data_id;
+ uint32_t data_sz;
+};
+
+int capturing = 1;
+
+unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
+ unsigned int channels, unsigned int rate,
+ enum pcm_format format, unsigned int period_size,
+ unsigned int period_count);
+
+void sigint_handler(int sig) // __unused)
+{
+ capturing = 0;
+}
+
+int main(int argc, char **argv)
+{
+ FILE *file;
+ struct wav_header header;
+ unsigned int card = 0;
+ unsigned int device = 0;
+ unsigned int channels = 2;
+ unsigned int rate = 44100;
+ unsigned int bits = 16;
+ unsigned int frames;
+ unsigned int period_size = 1024;
+ unsigned int period_count = 4;
+ enum pcm_format format;
+
+ if (argc < 2) {
+ fprintf(stderr, "Usage: %s file.wav [-D card] [-d device] [-c channels] "
+ "[-r rate] [-b bits] [-p period_size] [-n n_periods]\n", argv[0]);
+ return 1;
+ }
+
+ file = fopen(argv[1], "wb");
+ if (!file) {
+ fprintf(stderr, "Unable to create file '%s'\n", argv[1]);
+ return 1;
+ }
+
+ /* parse command line arguments */
+ argv += 2;
+ while (*argv) {
+ if (strcmp(*argv, "-d") == 0) {
+ argv++;
+ if (*argv)
+ device = atoi(*argv);
+ } else if (strcmp(*argv, "-c") == 0) {
+ argv++;
+ if (*argv)
+ channels = atoi(*argv);
+ } else if (strcmp(*argv, "-r") == 0) {
+ argv++;
+ if (*argv)
+ rate = atoi(*argv);
+ } else if (strcmp(*argv, "-b") == 0) {
+ argv++;
+ if (*argv)
+ bits = atoi(*argv);
+ } else if (strcmp(*argv, "-D") == 0) {
+ argv++;
+ if (*argv)
+ card = atoi(*argv);
+ } else if (strcmp(*argv, "-p") == 0) {
+ argv++;
+ if (*argv)
+ period_size = atoi(*argv);
+ } else if (strcmp(*argv, "-n") == 0) {
+ argv++;
+ if (*argv)
+ period_count = atoi(*argv);
+ }
+ if (*argv)
+ argv++;
+ }
+
+ header.riff_id = ID_RIFF;
+ header.riff_sz = 0;
+ header.riff_fmt = ID_WAVE;
+ header.fmt_id = ID_FMT;
+ header.fmt_sz = 16;
+ header.audio_format = FORMAT_PCM;
+ header.num_channels = channels;
+ header.sample_rate = rate;
+
+ switch (bits) {
+ case 32:
+ format = PCM_FORMAT_S32_LE;
+ break;
+ case 24:
+ format = PCM_FORMAT_S24_LE;
+ break;
+ case 16:
+ format = PCM_FORMAT_S16_LE;
+ break;
+ default:
+ fprintf(stderr, "%d bits is not supported.\n", bits);
+ return 1;
+ }
+
+ header.bits_per_sample = pcm_format_to_bits(format);
+ header.byte_rate = (header.bits_per_sample / 8) * channels * rate;
+ header.block_align = channels * (header.bits_per_sample / 8);
+ header.data_id = ID_DATA;
+
+ /* leave enough room for header */
+ fseek(file, sizeof(struct wav_header), SEEK_SET);
+
+ /* install signal handler and begin capturing */
+ signal(SIGINT, sigint_handler);
+ frames = capture_sample(file, card, device, header.num_channels,
+ header.sample_rate, format,
+ period_size, period_count);
+ printf("Captured %d frames\n", frames);
+
+ /* write header now all information is known */
+ header.data_sz = frames * header.block_align;
+ header.riff_sz = header.data_sz + sizeof(header) - 8;
+ fseek(file, 0, SEEK_SET);
+ fwrite(&header, sizeof(struct wav_header), 1, file);
+
+ fclose(file);
+
+ return 0;
+}
+
+unsigned int capture_sample(FILE *file, unsigned int card, unsigned int device,
+ unsigned int channels, unsigned int rate,
+ enum pcm_format format, unsigned int period_size,
+ unsigned int period_count)
+{
+ struct pcm_config config;
+ struct pcm *pcm;
+ char *buffer;
+ unsigned int size;
+ unsigned int bytes_read = 0;
+
+ memset(&config, 0, sizeof(config));
+ config.channels = channels;
+ config.rate = rate;
+ config.period_size = period_size;
+ config.period_count = period_count;
+ config.format = format;
+ config.start_threshold = 0;
+ config.stop_threshold = 0;
+ config.silence_threshold = 0;
+
+ pcm = pcm_open(card, device, PCM_IN, &config);
+ if (!pcm || !pcm_is_ready(pcm)) {
+ fprintf(stderr, "Unable to open PCM device (%s)\n",
+ pcm_get_error(pcm));
+ return 0;
+ }
+
+ 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 0;
+ }
+
+ printf("Capturing sample: %u ch, %u hz, %u bit\n", channels, rate,
+ pcm_format_to_bits(format));
+
+ while (capturing && !pcm_read(pcm, buffer, size)) {
+ if (fwrite(buffer, 1, size, file) != size) {
+ fprintf(stderr,"Error capturing sample\n");
+ break;
+ }
+ bytes_read += size;
+ }
+
+ free(buffer);
+ pcm_close(pcm);
+ return pcm_bytes_to_frames(pcm, bytes_read);
+}
+