added NuppelVideo demuxer, based on Panagiotis Issaris' patch

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3802 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 172 insertions, 0 deletions

diff --git a/libmpdemux/demux_nuv.c b/libmpdemux/demux_nuv.c
new file mode 100644
index 0000000000..c80ab68ddb
--- /dev/null
+++ b/libmpdemux/demux_nuv.c
@@ -0,0 +1,172 @@
+/*
+ * NuppelVideo 0.05 file parser
+ * for MPlayer
+ * by Panagiotis Issaris <takis@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;
+}