From 752ee356fa599ba9ede80385ab08ac7c75b127eb Mon Sep 17 00:00:00 2001
From: Johns <johns98@gmx.net>
Date: Sun, 13 May 2012 18:33:24 +0200
Subject: [PATCH] Poll input buffers, if display buffers are full.

---
 softhddev.c | 31 +++++++++++++++++++++++++++++--
 video.c     | 10 +++++++---
 video.h     |  4 ++--
 3 files changed, 38 insertions(+), 7 deletions(-)

diff --git a/softhddev.c b/softhddev.c
index b8752b4..d5426f9 100644
--- a/softhddev.c
+++ b/softhddev.c
@@ -397,7 +397,7 @@ static inline int FastAdtsCheck(const uint8_t * p)
 ///	o B*1	MPEG Version: 0 for MPEG-4, 1 for MPEG-2
 ///	o C*2	layer: always 0
 ///	o ..
-///	o F*4 	sampling frequency index (15 is invalid)
+///	o F*4	sampling frequency index (15 is invalid)
 ///	o ..
 ///	o M*13	frame length
 ///
@@ -655,6 +655,12 @@ static void PesParse(PesDemux * pesdx, const uint8_t * data, int size,
 			//pesdx->State = PES_MPEG_DECODE;
 			break;
 		    }
+		    if (AudioCodecID != CODEC_ID_NONE) {
+			// shouldn't happen after we have a vaild codec
+			// detected
+			Debug(4, "pesdemux: skip @%d %02x\n", pesdx->Skip,
+			    q[0]);
+		    }
 		    // try next byte
 		    ++pesdx->Skip;
 		    ++q;
@@ -1093,6 +1099,7 @@ int PlayAudio(const uint8_t * data, int size, uint8_t id)
 	// 4 bytes 0xFFExxxxx Mpeg audio
 	// 3 bytes 0x56Exxx AAC LATM audio
 	// 5 bytes 0x0B77xxxxxx AC3 audio
+	// 7/9 bytes 0xFFFxxxxxxxxxxx ADTS audio
 	// PCM audio can't be found
 	r = 0;
 	codec_id = CODEC_ID_NONE;	// keep compiler happy
@@ -1427,6 +1434,26 @@ void FixPacketForFFMpeg(VideoDecoder * MyVideoDecoder, AVPacket * avpkt)
     CodecVideoDecode(MyVideoDecoder, tmp);
 }
 
+/**
+**	Poll PES packet ringbuffer.
+**
+**	Called if video frame buffers are full.
+*/
+int VideoPollInput(void)
+{
+    if (VideoClearBuffers) {
+	atomic_set(&VideoPacketsFilled, 0);
+	VideoPacketRead = VideoPacketWrite;
+	if (MyVideoDecoder) {
+	    CodecVideoFlushBuffers(MyVideoDecoder);
+	    VideoResetStart(MyHwDecoder);
+	}
+	VideoClearBuffers = 0;
+	return 1;
+    }
+    return 0;
+}
+
 /**
 **	Decode from PES packet ringbuffer.
 **
@@ -1434,7 +1461,7 @@ void FixPacketForFFMpeg(VideoDecoder * MyVideoDecoder, AVPacket * avpkt)
 **	@retval	1	stream paused
 **	@retval	-1	empty stream
 */
-int VideoDecode(void)
+int VideoDecodeInput(void)
 {
     int filled;
     AVPacket *avpkt;
diff --git a/video.c b/video.c
index f7666c7..8be3aa8 100644
--- a/video.c
+++ b/video.c
@@ -4677,8 +4677,10 @@ static void VaapiDisplayHandlerThread(void)
 	// FIXME: hot polling
 	pthread_mutex_lock(&VideoLockMutex);
 	// fetch+decode or reopen
-	err = VideoDecode();
+	err = VideoDecodeInput();
 	pthread_mutex_unlock(&VideoLockMutex);
+    } else {
+	err = VideoPollInput();
     }
     if (err) {
 	// FIXME: sleep on wakeup
@@ -8085,8 +8087,10 @@ static void VdpauDisplayHandlerThread(void)
 	// FIXME: hot polling
 	pthread_mutex_lock(&VideoLockMutex);
 	// fetch+decode or reopen
-	err = VideoDecode();
+	err = VideoDecodeInput();
 	pthread_mutex_unlock(&VideoLockMutex);
+    } else {
+	err = VideoPollInput();
     }
     if (err) {
 	// FIXME: sleep on wakeup
@@ -10296,7 +10300,7 @@ void FeedKeyPress( __attribute__ ((unused))
 {
 }
 
-int VideoDecode(void)
+int VideoDecodeInput(void)
 {
     return -1;
 }
diff --git a/video.h b/video.h
index 1793e29..f027c9f 100644
--- a/video.h
+++ b/video.h
@@ -177,8 +177,8 @@ extern void VideoOsdExit(void);		///< Cleanup osd.
 extern void VideoInit(const char *);	///< Setup video module.
 extern void VideoExit(void);		///< Cleanup and exit video module.
 
-extern void VideoFlushInput(void);	///< Flush video input buffers.
-extern int VideoDecode(void);		///< Decode video input buffers.
+extern int VideoPollInput(void);	///< Poll video input buffers.
+extern int VideoDecodeInput(void);	///< Decode video input buffers.
 extern int VideoGetBuffers(void);	///< Get number of input buffers.
 
 /// @}