Fix bug: CodecVideoDecode destroys avpkt.

ChangeLog

@@ -1,4 +1,17 @@
 User johns
+Date:
+
+    Fix bug: CodecVideoDecode destroys avpkt.
+
+Date: Thu Dec 29 00:55:57 CET 2011
+
+    Release Version 0.1.3
+    Add missing VdpauDecoderDestroy.
+    Cleanup video packet ringbuffer.
+    Allow build without VDPAU.
+    Fix bug: swapped end and start.
+    Support other than "PCM" alsa mixer channels.
+
 Date: Sat Dec 24 15:26:27 CET 2011
 
     Release Version 0.1.2

Todo

@@ -11,7 +11,6 @@ missing:
 vdpau:
     1080i with temporal spatial too slow GT 520
     VdpPreemptionCallback handling
-    Loose a surface
 
 libva-intel-driver:
     intel still has hangups most with 1080i
@@ -36,7 +35,7 @@ x11:
 
 audio/alsa:
     video/audio asyncron
-    random crash in av_parser_parse2, when switching channels
+    FIXED? random crash in av_parser_parse2, when switching channels
 
     playback of >2 channels on 2 channel hardware
 	    done?
@@ -48,6 +47,9 @@ playback of recording
     play back is too fast
 
 setup:
-    Setup menu parameters aren't automatic loaded?
+    Setup of decoder type.
+    Setup of output type.
+    Setup of display type.
+    Setup 4:3 zoom type
     Setup parameters are not used until restart.
 	Can a notice be added to the setup menu?

codec.c

@@ -483,32 +483,28 @@ void DisplayPts(AVCodecContext * video_ctx, AVFrame * frame)
 **
 **	@param decoder	video decoder data
 **	@param avpkt	video packet
-**
-**	@note this version destroys avpkt!!
 */
-void CodecVideoDecode(VideoDecoder * decoder, AVPacket * avpkt)
+void CodecVideoDecode(VideoDecoder * decoder, const AVPacket * avpkt)
 {
     AVCodecContext *video_ctx;
     AVFrame *frame;
     int used;
     int got_frame;
+    AVPacket pkt[1];
 
     video_ctx = decoder->VideoCtx;
     frame = decoder->Frame;
+    *pkt = *avpkt;			// use copy
 
   next_part:
     // FIXME: this function can crash with bad packets
-    used = avcodec_decode_video2(video_ctx, frame, &got_frame, avpkt);
+    used = avcodec_decode_video2(video_ctx, frame, &got_frame, pkt);
-    Debug(4, "%s: %p %d -> %d %d\n", __FUNCTION__, avpkt->data, avpkt->size,
+    Debug(4, "%s: %p %d -> %d %d\n", __FUNCTION__, pkt->data, pkt->size, used,
-	used, got_frame);
+	got_frame);
 
     if (got_frame) {			// frame completed
 	//DisplayPts(video_ctx, frame);
-	if (video_ctx->hwaccel_context) {
 	VideoRenderFrame(decoder->HwDecoder, video_ctx, frame);
-	} else {
-	    VideoRenderFrame(decoder->HwDecoder, video_ctx, frame);
-	}
     } else {
 	// some frames are needed for references, interlaced frames ...
 	// could happen with h264 dvb streams, just drop data.
@@ -516,23 +512,18 @@ void CodecVideoDecode(VideoDecoder * decoder, AVPacket * avpkt)
 	Debug(4, "codec: %8d incomplete interlaced frame %d bytes used\n",
 	    video_ctx->frame_number, used);
     }
-    if (used != avpkt->size) {
+    if (used != pkt->size) {
-	if (used == 0) {
-	    goto next_part;
-	}
 	if (used >= 0) {
 	    // some tv channels, produce this
 	    Debug(4,
 		"codec: ooops didn't use complete video packet used %d of %d\n",
-		used, avpkt->size);
+		used, pkt->size);
-	    avpkt->data += used;
+	    pkt->data += used;
-	    avpkt->size -= used;
+	    pkt->size -= used;
 	    goto next_part;
 	}
 	Debug(3, "codec: bad frame %d\n", used);
     }
-
-    return;
 }
 
 //----------------------------------------------------------------------------
@@ -663,7 +654,7 @@ void CodecAudioClose(AudioDecoder * audio_decoder)
 **	@param audio_decoder	audio_Decoder data
 **	@param avpkt		audio packet
 */
-void CodecAudioDecode(AudioDecoder * audio_decoder, AVPacket * avpkt)
+void CodecAudioDecode(AudioDecoder * audio_decoder, const AVPacket * avpkt)
 {
     int16_t buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 4 +
 	FF_INPUT_BUFFER_PADDING_SIZE] __attribute__ ((aligned(16)));

codec.h

@@ -47,7 +47,7 @@ extern void CodecVideoOpen(VideoDecoder *, const char *, int);
 extern void CodecVideoClose(VideoDecoder *);
 
     /// Decode a video packet
-extern void CodecVideoDecode(VideoDecoder *, AVPacket * pkt);
+extern void CodecVideoDecode(VideoDecoder *, const AVPacket * pkt);
 
     /// Allocate a new audio decoder context.
 extern AudioDecoder *CodecAudioNewDecoder(void);
@@ -59,7 +59,7 @@ extern void CodecAudioOpen(AudioDecoder *, const char *, int);
 extern void CodecAudioClose(AudioDecoder *);
 
     /// Decode an audio packet
-extern void CodecAudioDecode(AudioDecoder *, AVPacket * pkt);
+extern void CodecAudioDecode(AudioDecoder *, const AVPacket * pkt);
 
     /// Setup and initialize codec module.
 extern void CodecInit(void);

softhddev.c

@@ -44,7 +44,11 @@
 
 static char BrokenThreadsAndPlugins;	///< broken vdr threads and plugins
 
+#ifdef USE_VDPAU
 static char ConfigVdpauDecoder = 1;	///< use vdpau decoder, if possible
+#else
+#define ConfigVdpauDecoder 0		///< no vdpau decoder configured
+#endif
 
 //////////////////////////////////////////////////////////////////////////////
 //	Audio