From 7addbdef8f62ab1ba014c039e32d56c6c21eb652 Mon Sep 17 00:00:00 2001
From: gewlitys <gewlitys@8092fc87-c524-0410-9efc-e669fe64eaf9>
Date: Fri, 6 Dec 2002 02:37:01 +0000
Subject: [PATCH] Slider now moves in communications (OpenAL)

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@354 8092fc87-c524-0410-9efc-e669fe64eaf9
---
 .../libs/sound/openal/decoders/decoder.c      |  3 +++
 .../libs/sound/openal/decoders/decoder.h      |  1 +
 sc2/src/sc2code/libs/sound/openal/sound.h     |  1 +
 sc2/src/sc2code/libs/sound/openal/stream.c    |  3 +++
 .../sc2code/libs/sound/openal/trackplayer.c   | 21 ++++++++++++-------
 sc2/src/sc2code/oscill.c                      |  3 +++
 6 files changed, 25 insertions(+), 7 deletions(-)

diff --git a/sc2/src/sc2code/libs/sound/openal/decoders/decoder.c b/sc2/src/sc2code/libs/sound/openal/decoders/decoder.c
index da6916025..c684d6fd5 100644
--- a/sc2/src/sc2code/libs/sound/openal/decoders/decoder.c
+++ b/sc2/src/sc2code/libs/sound/openal/decoders/decoder.c
@@ -145,6 +145,7 @@ TFB_SoundDecoder* SoundDecoder_Load (char *filename, ALuint buffer_size)
 		decoder->frequency = 0;
 		decoder->looping = AL_FALSE;
 		decoder->error = SOUNDDECODER_OK;
+		decoder->length = 0; // FIXME should be calculated
 		decoder->decoder_info = decoder_info_wav;
 		decoder->type = SOUNDDECODER_WAV;
 		decoder->filename = (char *) malloc (strlen (filename) + 1);
@@ -178,6 +179,7 @@ TFB_SoundDecoder* SoundDecoder_Load (char *filename, ALuint buffer_size)
 		decoder->frequency = md_mixfreq;
 		decoder->looping = AL_FALSE;
 		decoder->error = SOUNDDECODER_OK;
+		decoder->length = 0; // FIXME way to obtain this from mikmod?
 		decoder->decoder_info = decoder_info_mod;
 		decoder->type = SOUNDDECODER_MOD;
 		decoder->filename = (char *) malloc (strlen (filename) + 1);
@@ -243,6 +245,7 @@ TFB_SoundDecoder* SoundDecoder_Load (char *filename, ALuint buffer_size)
 		decoder->frequency = vinfo->rate;
 		decoder->looping = AL_FALSE;
 		decoder->error = SOUNDDECODER_OK;
+		decoder->length = (float) ov_time_total (vf, -1);
 		decoder->decoder_info = decoder_info_ogg;
 		decoder->type = SOUNDDECODER_OGG;
 		decoder->filename = (char *) malloc (strlen (filename) + 1);
diff --git a/sc2/src/sc2code/libs/sound/openal/decoders/decoder.h b/sc2/src/sc2code/libs/sound/openal/decoders/decoder.h
index 9c38fa480..a2cbc860a 100644
--- a/sc2/src/sc2code/libs/sound/openal/decoders/decoder.h
+++ b/sc2/src/sc2code/libs/sound/openal/decoders/decoder.h
@@ -38,6 +38,7 @@ typedef struct tfb_sounddecoder
 	ALuint frequency;
 	ALboolean looping;
 	ALint error;
+	float length; // total length in seconds
 	char *decoder_info;
 
 	// semi-private
diff --git a/sc2/src/sc2code/libs/sound/openal/sound.h b/sc2/src/sc2code/libs/sound/openal/sound.h
index 6e97d7e43..8a63b3824 100644
--- a/sc2/src/sc2code/libs/sound/openal/sound.h
+++ b/sc2/src/sc2code/libs/sound/openal/sound.h
@@ -55,6 +55,7 @@ typedef struct tfb_soundsource
 	ALuint handle;
 	BOOLEAN stream_should_be_playing;
 	Mutex stream_mutex;
+	ALuint start_time;
 } TFB_SoundSource;
 
 
diff --git a/sc2/src/sc2code/libs/sound/openal/stream.c b/sc2/src/sc2code/libs/sound/openal/stream.c
index 4af6f848b..05ea2e05e 100644
--- a/sc2/src/sc2code/libs/sound/openal/stream.c
+++ b/sc2/src/sc2code/libs/sound/openal/stream.c
@@ -79,6 +79,7 @@ PlayStream (TFB_SoundSample *sample, ALuint source, ALboolean looping)
 			break;
 	}
 
+	soundSource[source].start_time = GetTimeCounter ();
 	soundSource[source].stream_should_be_playing = TRUE;
 	alSourcePlay (soundSource[source].handle);
 }
@@ -108,6 +109,7 @@ StopStream (ALuint source)
 void
 PauseStream (ALuint source)
 {
+	soundSource[source].start_time = GetTimeCounter () - soundSource[source].start_time;
 	soundSource[source].stream_should_be_playing = FALSE;
 	alSourcePause (soundSource[source].handle);
 }
@@ -115,6 +117,7 @@ PauseStream (ALuint source)
 void
 ResumeStream (ALuint source)
 {
+	soundSource[source].start_time = GetTimeCounter () - soundSource[source].start_time;
 	soundSource[source].stream_should_be_playing = TRUE;
 	alSourcePlay (soundSource[source].handle);
 }
diff --git a/sc2/src/sc2code/libs/sound/openal/trackplayer.c b/sc2/src/sc2code/libs/sound/openal/trackplayer.c
index 15fc1cb95..1284820e4 100644
--- a/sc2/src/sc2code/libs/sound/openal/trackplayer.c
+++ b/sc2/src/sc2code/libs/sound/openal/trackplayer.c
@@ -260,15 +260,22 @@ GetSoundData (char* data)
 	return 0;
 }
 
-// Status: Unimplemented
 int
 GetSoundInfo (int *length, int *offset)
-		// Umm... How does it know which sound?
-		// Answer: only used in oscill.c slider so sound must be current speech
-{
-	//fprintf (stderr, "Unimplemented function activated: GetSoundInfo()\n");
-	*length = 1;
-	*offset = 0;
+{	
+	LockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
+	if (soundSource[SPEECH_SOURCE].sample && soundSource[SPEECH_SOURCE].sample->decoder)
+	{
+		 *length = (int) (soundSource[SPEECH_SOURCE].sample->decoder->length * (float)ONE_SECOND);
+		 *offset = (int) (GetTimeCounter () - soundSource[SPEECH_SOURCE].start_time);
+	}
+	else
+	{
+		*length = 1;
+		*offset = 0;
+	}
+	UnlockMutex (soundSource[SPEECH_SOURCE].stream_mutex);
+
 	return 1;
 }
 
diff --git a/sc2/src/sc2code/oscill.c b/sc2/src/sc2code/oscill.c
index 3060a6e46..ad7e43c21 100644
--- a/sc2/src/sc2code/oscill.c
+++ b/sc2/src/sc2code/oscill.c
@@ -17,6 +17,7 @@
  */
 
 #include "libs/graphics/gfx_common.h"
+#include "libs/sound/trackplayer.h"
 
 //Added by Chris
 //Modified by Mika (removed use of SDL datatypes)
@@ -206,6 +207,8 @@ Slider (void)
 	{
 		if (offs > len)
 			offs = len;
+		if (len == 0)
+			len = 1;
 		buttonStamp.origin.x = sliderStamp.origin.x + sliderSpace * offs / len;
 		BatchGraphics ();
 		DrawStamp (&sliderStamp);