generic-pc: clean up cAudio header, separate private stuff

generic-pc/audio.cpp

@@ -23,54 +23,50 @@
 #include <cstdlib>
 
 #include "audio_lib.h"
+#include "audio_priv.h"
 #include "dmx_lib.h"
 #include "lt_debug.h"
 
 #define lt_debug(args...) _lt_debug(HAL_DEBUG_AUDIO, this, args)
 #define lt_info(args...) _lt_info(HAL_DEBUG_AUDIO, this, args)
 
-#include <OpenThreads/Thread>
-
-extern "C" {
-#include <libavformat/avformat.h>
-#include <libavutil/opt.h>
-#include <libavutil/samplefmt.h>
-#include <libswresample/swresample.h>
-#include <ao/ao.h>
-}
 /* ffmpeg buf 2k */
 #define INBUF_SIZE 0x0800
 /* my own buf 16k */
 #define DMX_BUF_SZ 0x4000
 
 cAudio * audioDecoder = NULL;
+ADec *adec = NULL;
+
 extern cDemux *audioDemux;
-static uint8_t *dmxbuf = NULL;
-static int bufpos;
 
 extern bool HAL_nodec;
 
-static cAudio *gThiz = NULL;
-
-static ao_device *adevice = NULL;
-static ao_sample_format sformat;
-
-static AVCodecContext *c= NULL;
-
 cAudio::cAudio(void *, void *, void *)
 {
+	adec = new ADec();
+}
+cAudio::~cAudio(void)
+{
+	delete adec;
+}
+
+ADec::ADec(void)
+{
+	adevice = NULL;
+	dmxbuf = NULL;
+	bufpos = 0;
+	c = NULL;
 	thread_started = false;
 	if (!HAL_nodec)
 		dmxbuf = (uint8_t *)malloc(DMX_BUF_SZ);
 	bufpos = 0;
 	curr_pts = 0;
-	gThiz = this;
 	ao_initialize();
 }
 
-cAudio::~cAudio(void)
+ADec::~ADec(void)
 {
-	closeDevice();
 	free(dmxbuf);
 	if (adevice)
 		ao_close(adevice);
@@ -78,19 +74,19 @@ cAudio::~cAudio(void)
 	ao_shutdown();
 }
 
-void cAudio::openDevice(void)
+int cAudio::mute(void)
 {
-	lt_debug("%s\n", __func__);
+	return SetMute(true);
 }
 
-void cAudio::closeDevice(void)
+int cAudio::unmute(void)
 {
-	lt_debug("%s\n", __func__);
+	return SetMute(false);
 }
 
-int cAudio::do_mute(bool enable, bool remember)
+int cAudio::SetMute(bool enable)
 {
-	lt_debug("%s(%d, %d)\n", __func__, enable, remember);
+	lt_debug("%s(%d)\n", __func__, enable);
 	return 0;
 }
 
@@ -101,21 +97,31 @@ int cAudio::setVolume(unsigned int left, unsigned int right)
 }
 
 int cAudio::Start(void)
+{
+	return adec->Start();
+}
+
+int cAudio::Stop(void)
+{
+	return adec->Stop();
+}
+
+int ADec::Start(void)
 {
 	lt_debug("%s >\n", __func__);
 	if (! HAL_nodec)
-		OpenThreads::Thread::start();
+		start();
 	lt_debug("%s <\n", __func__);
 	return 0;
 }
 
-int cAudio::Stop(void)
+int ADec::Stop(void)
 {
 	lt_debug("%s >\n", __func__);
 	if (thread_started)
 	{
 		thread_started = false;
-		OpenThreads::Thread::join();
+		join();
 	}
 	lt_debug("%s <\n", __func__);
 	return 0;
@@ -142,6 +148,11 @@ int cAudio::setChannel(int /*channel*/)
 };
 
 int cAudio::PrepareClipPlay(int ch, int srate, int bits, int le)
+{
+	return adec->PrepareClipPlay(ch, srate, bits, le);
+}
+
+int ADec::PrepareClipPlay(int ch, int srate, int bits, int le)
 {
 	lt_debug("%s ch %d srate %d bits %d le %d adevice %p\n", __func__, ch, srate, bits, le, adevice);;
 	int driver;
@@ -168,6 +179,11 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int le)
 };
 
 int cAudio::WriteClip(unsigned char *buffer, int size)
+{
+	return adec->WriteClip(buffer, size);
+}
+
+int ADec::WriteClip(unsigned char *buffer, int size)
 {
 	lt_debug("cAudio::%s buf 0x%p size %d\n", __func__, buffer, size);
 	if (!adevice) {
@@ -195,6 +211,11 @@ int cAudio::StopClip()
 };
 
 void cAudio::getAudioInfo(int &type, int &layer, int &freq, int &bitrate, int &mode)
+{
+	adec->getAudioInfo(type, layer, freq, bitrate, mode);
+}
+
+void ADec::getAudioInfo(int &type, int &layer, int &freq, int &bitrate, int &mode)
 {
 	type = 0;
 	layer = 0;	/* not used */
@@ -269,17 +290,12 @@ void cAudio::EnableAnalogOut(bool enable)
 	lt_debug("%s %d\n", __func__, enable);
 };
 
-void cAudio::setBypassMode(bool disable)
-{
-	lt_debug("%s %d\n", __func__, disable);
-}
-
 static int _my_read(void *, uint8_t *buf, int buf_size)
 {
-	return gThiz->my_read(buf, buf_size);
+	return adec->my_read(buf, buf_size);
 }
 
-int cAudio::my_read(uint8_t *buf, int buf_size)
+int ADec::my_read(uint8_t *buf, int buf_size)
 {
 	int tmp = 0;
 	if (audioDecoder && bufpos < DMX_BUF_SZ - 4096) {
@@ -306,7 +322,7 @@ int cAudio::my_read(uint8_t *buf, int buf_size)
 	return tmp;
 }
 
-void cAudio::run()
+void ADec::run()
 {
 	lt_info("====================== start decoder thread ================================\n");
 	/* libavcodec & friends */

generic-pc/audio_lib.h

@@ -4,7 +4,6 @@
 #define _AUDIO_LIB_H_
 
 #include <stdint.h>
-#include <OpenThreads/Thread>
 #include <cs_types.h>
 
 typedef enum
@@ -38,46 +37,23 @@ typedef enum
    AUDIO_FMT_ADVANCED = AUDIO_FMT_MLP
 } AUDIO_FORMAT;
 
-class cAudio : public OpenThreads::Thread
+class cAudio
 {
-	friend class cPlayback;
-	private:
-		int fd;
-		bool Muted;
-
-		int clipfd; /* for pcm playback */
-		int mixer_fd;  /* if we are using the OSS mixer */
-		int mixer_num; /* oss mixer to use, if any */
-
-		AUDIO_FORMAT	StreamType;
-		AUDIO_SYNC_MODE    SyncMode;
-		bool started;
-		bool thread_started;
-
-		int volume;
-		int64_t curr_pts;
-
-		void openDevice(void);
-		void closeDevice(void);
-
-		int do_mute(bool enable, bool remember);
-		void setBypassMode(bool disable);
-		void run();
 	public:
 		/* construct & destruct */
 		cAudio(void *, void *, void *);
 		~cAudio(void);
-		int64_t getPts() { return curr_pts; }
 
 		void *GetHandle() { return NULL; };
 		/* shut up */
-		int mute(bool remember = true) { return do_mute(true, remember); };
-		int unmute(bool remember = true) { return do_mute(false, remember); };
+		int mute(void);
+		int unmute(void);
+		int SetMute(bool enable);
 
 		/* volume, min = 0, max = 255 */
 		int setVolume(unsigned int left, unsigned int right);
 		int getVolume(void) { return volume;}
-		bool getMuteStatus(void) { return Muted; };
+		bool getMuteStatus(void) { return muted; };
 
 		/* start and stop audio */
 		int Start(void);
@@ -98,7 +74,10 @@ class cAudio : public OpenThreads::Thread
 		void SetSpdifDD(bool enable);
 		void ScheduleMute(bool On);
 		void EnableAnalogOut(bool enable);
-		int my_read(uint8_t *buf, int buf_size);
+	private:
+		bool muted;
+		int volume;
+		void *pdata;
 };
 
 #endif

generic-pc/audio_priv.h

@@ -0,0 +1,53 @@
+/*
+ * (C) 2010-2013 Stefan Seyfried
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * private stuff for the audio decoder, only used inside libstb-hal
+ */
+
+#include <OpenThreads/Thread>
+
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavutil/opt.h>
+#include <libavutil/samplefmt.h>
+#include <libswresample/swresample.h>
+#include <ao/ao.h>
+}
+
+class ADec : public OpenThreads::Thread
+{
+public:
+	ADec();
+	~ADec();
+	int Start();
+	int Stop();
+	int PrepareClipPlay(int ch, int srate, int bits, int le);
+	int WriteClip(unsigned char *buffer, int size);
+	void getAudioInfo(int &type, int &layer, int &freq, int &bitrate, int &mode);
+	int my_read(uint8_t *buf, int buf_size);
+	int64_t getPts() { return curr_pts; };
+private:
+	bool thread_started;
+	int64_t curr_pts;
+	void run();
+
+	ao_device *adevice;
+	ao_sample_format sformat;
+	uint8_t *dmxbuf;
+	int bufpos;
+	AVCodecContext *c;
+};
+

generic-pc/glfb.cpp

@@ -39,7 +39,7 @@
 #include <linux/input.h>
 #include "glfb_priv.h"
 #include "video_priv.h"
-#include "audio_lib.h"
+#include "audio_priv.h"
 
 #include "lt_debug.h"
 
@@ -50,7 +50,7 @@
 
 
 extern VDec *vdec;
-extern cAudio *audioDecoder;
+extern ADec *adec;
 
 /* the private class that does stuff only needed inside libstb-hal.
  * is used e.g. by cVideo... */
@@ -596,8 +596,8 @@ void GLFbPC::bltDisplayBuffer()
 	 * better this than nothing... :-) */
 	int64_t apts = 0;
 	int64_t vpts = buf->pts();
-	if (audioDecoder)
-		apts = audioDecoder->getPts();
+	if (adec)
+		apts = adec->getPts();
 	if (apts != last_apts) {
 		int rate, dummy1, dummy2;
 		if (apts < vpts)