mirror of
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a23dfd214a
- The port now uses the combined patch set for OpenBSD and FreeBSD maintained by Robert Nagy. - Fix build on i386 again. Obtained from: Robert Nagy <robert@openbsd.org> Security: https://vuxml.freebsd.org/freebsd/e12432af-8e73-11ec-8bc4-3065ec8fd3ec.html Security: https://vuxml.freebsd.org/freebsd/e852f43c-846e-11ec-b043-3065ec8fd3ec.html
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
--- media/audio/sndio/sndio_input.h.orig 2022-02-07 13:39:41 UTC
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+++ media/audio/sndio/sndio_input.h
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@@ -0,0 +1,91 @@
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+// Copyright 2013 The Chromium Authors. All rights reserved.
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+// Use of this source code is governed by a BSD-style license that can be
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+// found in the LICENSE file.
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+
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+#ifndef MEDIA_AUDIO_SNDIO_SNDIO_INPUT_H_
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+#define MEDIA_AUDIO_SNDIO_SNDIO_INPUT_H_
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+
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+#include <stdint.h>
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+#include <string>
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+#include <sndio.h>
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+
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+#include "base/compiler_specific.h"
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+#include "base/memory/weak_ptr.h"
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+#include "base/time/time.h"
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+#include "media/audio/agc_audio_stream.h"
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+#include "media/audio/audio_io.h"
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+#include "media/audio/audio_device_description.h"
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+#include "media/base/audio_parameters.h"
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+
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+namespace media {
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+
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+class AudioManagerBase;
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+
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+// Implementation of AudioOutputStream using sndio(7)
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+class SndioAudioInputStream : public AgcAudioStream<AudioInputStream> {
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+ public:
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+ // Pass this to the constructor if you want to attempt auto-selection
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+ // of the audio recording device.
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+ static const char kAutoSelectDevice[];
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+
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+ // Create a PCM Output stream for the SNDIO device identified by
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+ // |device_name|. If unsure of what to use for |device_name|, use
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+ // |kAutoSelectDevice|.
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+ SndioAudioInputStream(AudioManagerBase* audio_manager,
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+ const std::string& device_name,
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+ const AudioParameters& params);
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+
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+ SndioAudioInputStream(const SndioAudioInputStream&) = delete;
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+ SndioAudioInputStream& operator=(const SndioAudioInputStream&) = delete;
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+
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+ ~SndioAudioInputStream() override;
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+
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+ // Implementation of AudioInputStream.
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+ OpenOutcome Open() override;
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+ void Start(AudioInputCallback* callback) override;
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+ void Stop() override;
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+ void Close() override;
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+ double GetMaxVolume() override;
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+ void SetVolume(double volume) override;
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+ double GetVolume() override;
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+ bool IsMuted() override;
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+ void SetOutputDeviceForAec(const std::string& output_device_id) override;
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+
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+ private:
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+
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+ enum StreamState {
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+ kClosed, // Not opened yet
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+ kStopped, // Device opened, but not started yet
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+ kRunning, // Started, device playing
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+ kStopWait // Stopping, waiting for the real-time thread to exit
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+ };
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+
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+ // C-style call-backs
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+ static void OnMoveCallback(void *arg, int delta);
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+ static void* ThreadEntry(void *arg);
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+
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+ // Continuously moves data from the device to the consumer
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+ void ThreadLoop();
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+ // Our creator, the audio manager needs to be notified when we close.
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+ AudioManagerBase* manager;
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+ // Parameters of the source
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+ AudioParameters params;
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+ // We store data here for consumer
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+ std::unique_ptr<AudioBus> audio_bus;
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+ // Call-back that consumes recorded data
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+ AudioInputCallback* callback; // Valid during a recording session.
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+ // Handle of the audio device
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+ struct sio_hdl* hdl;
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+ // Current state of the stream
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+ enum StreamState state;
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+ // High priority thread running ThreadLoop()
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+ pthread_t thread;
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+ // Number of frames buffered in the hardware
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+ int hw_delay;
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+ // Temporary buffer where data is stored sndio-compatible format
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+ char* buffer;
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+};
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+
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+} // namespace media
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+
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+#endif // MEDIA_AUDIO_SNDIO_SNDIO_INPUT_H_
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