ulib/audio-utils/audio-input.cpp

22     fbl::unique_ptr<AudioInput> res(new (&ac) AudioInput(dev_id));
25     return res;
30     fbl::unique_ptr<AudioInput> res(new (&ac) AudioInput(dev_path));
33     return res;
45     zx_status_t res = sink.SetFormat(fmt);
46     if (res != ZX_OK) {
47         printf("Failed to set sink format (rate %u, chan_count %u, fmt 0x%08x, res %d)\n",
48                 frame_rate_, channel_cnt_, sample_format_, res);
49         return res;
56         return res;
62     res = GetBuffer(ring_frames, 2u);
63     if (res != ZX_OK) {
64         printf("Failed to establish ring buffer (%u frames, res %d)\n",
65                 ring_frames, res);
66         return res;
74     res = StartRingBuffer();
75     if (res != ZX_OK) {
76         printf("Failed to start capture (res %d)\n", res);
77         return res;
85         res = rb_ch_.wait_one(ZX_CHANNEL_READABLE | ZX_CHANNEL_PEER_CLOSED,
89         if (res == ZX_ERR_TIMED_OUT) break;
91         if (res != ZX_OK) {
92             printf("Failed to wait for notificiation (res %d)\n", res);
105         res = rb_ch_.read(0,
108         if (res != ZX_OK) {
109             printf("Failed to read notification from ring buffer channel (res %d)\n", res);
116             res = ZX_ERR_INTERNAL;
123             res = ZX_ERR_INTERNAL;
138         res = zx_cache_flush(data, amt, ZX_CACHE_FLUSH_DATA | ZX_CACHE_FLUSH_INVALIDATE);
139         if (res != ZX_OK) {
140             printf("Failed to cache invalidate(res %d).\n", res);
144         res = sink.PutFrames(data, amt);
145         if (res != ZX_OK) {
146             printf("Failed to record %u bytes (res %d)\n", amt, res);
154             res = zx_cache_flush(rb_virt_, amt, ZX_CACHE_FLUSH_DATA | ZX_CACHE_FLUSH_INVALIDATE);
155             if (res != ZX_OK) {
156                 printf("Failed to cache invalidate(res %d) %d\n", res, __LINE__);
160             res = sink.PutFrames(rb_virt_, amt);
161             if (res != ZX_OK) {
162                 printf("Failed to record %u bytes (res %d)\n", amt, res);
181     return (res == ZX_OK) ? finalize_res : res;