[Mplayer-cvslog] CVS: main/libmpdemux demux_nuv.c,NONE,1.1 Makefile,1.14,1.15 demuxer.h,1.24,1.25 demuxer.c,1.60,1.61

Alex Beregszaszi alex at mplayer.dev.hu
Thu Dec 27 22:24:59 CET 2001


Update of /cvsroot/mplayer/main/libmpdemux
In directory mplayer:/var/tmp.root/cvs-serv21950

Modified Files:
	Makefile demuxer.h demuxer.c 
Added Files:
	demux_nuv.c 
Log Message:
added NuppelVideo demuxer, based on Panagiotis Issaris' patch

--- NEW FILE ---
/*
 * NuppelVideo 0.05 file parser
 * for MPlayer
 * by Panagiotis Issaris <takis at lumumba.luc.ac.be>
 *
 * Reworked by alex
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#include "stream.h"
#include "demuxer.h"
#include "stheader.h"
#include "nuppelvideo.h" 
//#include "RTjpegN.h"
//#include "minilzo.h"


struct nuv_signature
{ 
	char finfo[12];     /* "NuppelVideo" + \0 */
	char version[5];    /* "0.05" + \0 */
};


void demux_seek_nuv ( demuxer_t *demuxer, float rel_seek_secs, int flags )
{
}


int demux_nuv_fill_buffer ( demuxer_t *demuxer )
{
	struct rtframeheader rtjpeg_frameheader;
	int orig_pos;

	orig_pos = stream_tell ( demuxer->stream );
	if (stream_read ( demuxer->stream, (char*)& rtjpeg_frameheader, sizeof ( rtjpeg_frameheader ) ) < sizeof(rtjpeg_frameheader))
	    return 0; /* EOF */

#if 0
	printf("NUV frame read: %c packetlength: %d orig: %d new: %d\n", rtjpeg_frameheader.frametype,rtjpeg_frameheader.packetlength, orig_pos, orig_pos+rtjpeg_frameheader.packetlength);
#endif

	/* Skip Seekpoint, Text and Sync for now */
	if ((rtjpeg_frameheader.frametype == 'R') ||
	    (rtjpeg_frameheader.frametype == 'T') ||
	    (rtjpeg_frameheader.frametype == 'S'))
	    return 1;
	
	if (((rtjpeg_frameheader.frametype == 'D') &&
	    (rtjpeg_frameheader.comptype == 'R')) ||
	    (rtjpeg_frameheader.frametype == 'V'))
	{
	    /* put RTjpeg tables, Video info to video buffer */
	    stream_seek ( demuxer->stream, orig_pos );
	    ds_read_packet ( demuxer->video, demuxer->stream, rtjpeg_frameheader.packetlength + 12, 
		rtjpeg_frameheader.timecode / 1000, orig_pos, 0 );
	}
	
	/* copy PCM only */
	if (demuxer->audio && (rtjpeg_frameheader.frametype == 'A') &&
	    (rtjpeg_frameheader.comptype == '0'))
	{
	    /* put Audio to audio buffer */
	    stream_seek ( demuxer->stream, orig_pos );
	    ds_read_packet ( demuxer->audio, demuxer->stream, rtjpeg_frameheader.packetlength + 12, 
		rtjpeg_frameheader.timecode / 1000, orig_pos, 0 );
	}

	return 1;
}


demuxer_t* demux_open_nuv ( demuxer_t* demuxer )
{
	sh_video_t *sh_video = NULL;
	sh_audio_t *sh_audio = NULL;
	struct rtfileheader rtjpeg_fileheader;
	struct rtframeheader rtjpeg_frameheader;
	unsigned long int tbls[128];
	int bytes_read;

	/* Go to the start */
	stream_reset(demuxer->stream);
	stream_seek(demuxer->stream, 0);

	stream_read ( demuxer->stream, (char*)& rtjpeg_fileheader, sizeof(rtjpeg_fileheader) );

	/* no video */
	if (rtjpeg_fileheader.videoblocks == 0)
	{
	    printf("No video blocks in file\n");
	    return NULL;
	}

	/* Create a new video stream header */
	sh_video = new_sh_video ( demuxer, 0 );

	/* Make sure the demuxer knows about the new video stream header
	 * (even though new_sh_video() ought to take care of it)
	 */
	demuxer->video->sh = sh_video;

	/* Make sure that the video demuxer stream header knows about its
	 * parent video demuxer stream (this is getting wacky), or else
	 * video_read_properties() will choke
         */
	sh_video->ds = demuxer->video;

	/* Custom fourcc for internal MPlayer use */
	sh_video->format = mmioFOURCC('N', 'U', 'V', '1');

	sh_video->disp_w = rtjpeg_fileheader.width;
	sh_video->disp_h = rtjpeg_fileheader.height;
	
	sh_video->aspect = rtjpeg_fileheader.aspect;

	/* Get the FPS */
	sh_video->fps = rtjpeg_fileheader.fps;
	sh_video->frametime = 1 / sh_video->fps;

#if 0
	if (rtjpeg_fileheader.audioblocks != 0)
	{
	    sh_audio = new_sh_audio(demuxer, 0);
	    demuxer->audio->sh = sh_audio;
	    sh_audio->ds = demuxer->audio;
	    sh_audio->format = 0x1;
	    sh_audio->channels = 2;
	    sh_audio->samplerate = 44100;
	    
	    sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
	    memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX));
	    sh_audio->wf->wFormatTag = sh_audio->format;
	    sh_audio->wf->nChannels = sh_audio->channels;
	    sh_audio->wf->wBitsPerSample = 16;
	    sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
	    sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels*
		sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8;
	    sh_audio->wf->nBlockAlign = sh_audio->channels * 2;
	    sh_audio->wf->cbSize = 0;
	}
#endif

	return demuxer;
}

int nuv_check_file ( demuxer_t* demuxer )
{
	struct nuv_signature ns;

	/* Store original position */
	int orig_pos = stream_tell(demuxer->stream);

	mp_msg ( MSGT_DEMUX, MSGL_V, "Checking for NuppelVideo\n" );

	stream_read(demuxer->stream,(char*)&ns,sizeof(ns));

	if ( strncmp ( ns.finfo, "NuppelVideo", 12 ) ) 
		return 0; /* Not a NuppelVideo file */
	if ( strncmp ( ns.version, "0.05", 5 ) ) 
		return 0; /* Wrong version NuppelVideo file */

	/* Return to original position */
	stream_seek ( demuxer->stream, orig_pos );
	return 1;
}

Index: Makefile
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/Makefile,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -r1.14 -r1.15
--- Makefile	27 Dec 2001 02:08:31 -0000	1.14
+++ Makefile	27 Dec 2001 21:24:56 -0000	1.15
@@ -3,7 +3,7 @@
 
 include ../config.mak
 
-SRCS = mp3_hdr.c video.c mpeg_hdr.c cache2.c asfheader.c aviheader.c aviprint.c aviwrite.c demux_asf.c demux_avi.c demux_mov.c demux_mpg.c demux_viv.c demuxer.c dvdauth.c open.c parse_es.c stream.c tv.c tvi_dummy.c tvi_v4l.c frequencies.c demux_fli.c demux_real.c demux_y4m.c yuv4mpeg.c yuv4mpeg_ratio.c
+SRCS = mp3_hdr.c video.c mpeg_hdr.c cache2.c asfheader.c aviheader.c aviprint.c aviwrite.c demux_asf.c demux_avi.c demux_mov.c demux_mpg.c demux_viv.c demuxer.c dvdauth.c open.c parse_es.c stream.c tv.c tvi_dummy.c tvi_v4l.c frequencies.c demux_fli.c demux_real.c demux_y4m.c yuv4mpeg.c yuv4mpeg_ratio.c demux_nuv.c
 ifeq ($(STREAMING),yes)
 SRCS += asf_streaming.c url.c http.c network.c rtp.c
 endif

Index: demuxer.h
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.h,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -r1.24 -r1.25
--- demuxer.h	27 Dec 2001 02:08:31 -0000	1.24
+++ demuxer.h	27 Dec 2001 21:24:56 -0000	1.25
@@ -15,6 +15,7 @@
 #define DEMUXER_TYPE_FLI 10
 #define DEMUXER_TYPE_REAL 11
 #define DEMUXER_TYPE_Y4M 12
+#define DEMUXER_TYPE_NUV 13
 
 #define DEMUXER_TIME_NONE 0
 #define DEMUXER_TIME_PTS 1

Index: demuxer.c
===================================================================
RCS file: /cvsroot/mplayer/main/libmpdemux/demuxer.c,v
retrieving revision 1.60
retrieving revision 1.61
diff -u -r1.60 -r1.61
--- demuxer.c	27 Dec 2001 02:08:31 -0000	1.60
+++ demuxer.c	27 Dec 2001 21:24:56 -0000	1.61
@@ -159,7 +159,8 @@
 int demux_asf_fill_buffer(demuxer_t *demux);
 int demux_mov_fill_buffer(demuxer_t *demux,demux_stream_t* ds);
 int demux_vivo_fill_buffer(demuxer_t *demux);
-int demux_real_fill_buffer(demuxer_t *demux);
+int demux_real_fill_buffer(demuxer_t *demuxer);
+int demux_nuv_fill_buffer(demuxer_t *demux);
 #ifdef USE_TV
 #include "tv.h"
 extern tvi_handle_t *tv_handler;
@@ -184,6 +185,7 @@
     case DEMUXER_TYPE_MOV: return demux_mov_fill_buffer(demux,ds);
     case DEMUXER_TYPE_VIVO: return demux_vivo_fill_buffer(demux);
     case DEMUXER_TYPE_REAL: return demux_real_fill_buffer(demux);
+    case DEMUXER_TYPE_NUV: return demux_nuv_fill_buffer(demux);
 #ifdef USE_TV
     case DEMUXER_TYPE_TV: return demux_tv_fill_buffer(demux, tv_handler);
 #endif
@@ -371,6 +373,9 @@
 extern int real_check_file(demuxer_t *demuxer);
 extern void demux_open_real(demuxer_t *demuxer);
 
+extern int nuv_check_file(demuxer_t *demuxer);
+extern void demux_open_nuv(demuxer_t *demuxer);
+
 demuxer_t* demux_open(stream_t *stream,int file_format,int audio_id,int video_id,int dvdsub_id){
 
 //int file_format=(*file_format_ptr);
@@ -426,6 +431,14 @@
       file_format=DEMUXER_TYPE_Y4M;
   }
 }
+//=============== Try to open as NUV file: =================
+if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_NUV){
+  demuxer=new_demuxer(stream,DEMUXER_TYPE_NUV,audio_id,video_id,dvdsub_id);
+  if(nuv_check_file(demuxer)){
+      mp_msg(MSGT_DEMUXER,MSGL_INFO,"Detected NuppelVideo file format!\n");
+      file_format=DEMUXER_TYPE_NUV;
+  }
+}
 //=============== Try to open as MOV file: =================
 if(file_format==DEMUXER_TYPE_UNKNOWN || file_format==DEMUXER_TYPE_MOV){
   demuxer=new_demuxer(stream,DEMUXER_TYPE_MOV,audio_id,video_id,dvdsub_id);
@@ -550,6 +563,10 @@
  case DEMUXER_TYPE_AVI: {
   return (demuxer_t*) demux_open_avi(demuxer);
 //  break;
+ }
+ case DEMUXER_TYPE_NUV: {
+  demux_open_nuv(demuxer);
+  break;
  }
  case DEMUXER_TYPE_VIVO: {
   demux_open_vivo(demuxer);




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