rawvideo muxer patch by John Earl <jwe21@cam.ac.uk>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12017 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 99 insertions, 0 deletions

diff --git a/libmpdemux/muxer_rawvideo.c b/libmpdemux/muxer_rawvideo.c
new file mode 100644
index 0000000000..624755253a
--- /dev/null
+++ b/libmpdemux/muxer_rawvideo.c
@@ -0,0 +1,99 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <unistd.h>
+
+#include "config.h"
+#include "../version.h"
+
+//#include "stream.h"
+//#include "demuxer.h"
+//#include "stheader.h"
+
+#include "wine/mmreg.h"
+#include "wine/avifmt.h"
+#include "wine/vfw.h"
+#include "bswap.h"
+
+#include "muxer.h"
+
+static muxer_stream_t* rawvideofile_new_stream(muxer_t *muxer,int type){
+    muxer_stream_t* s;
+    if (!muxer) return NULL;
+    if (type == MUXER_TYPE_AUDIO) {
+	printf("Rawvideo muxer does not support audio !\n");
+	return NULL;
+    }
+    if(muxer->avih.dwStreams>=1){
+	printf("Too many streams! Rawvideo muxer supports only one video stream !\n");
+	return NULL;
+    }
+    s=malloc(sizeof(muxer_stream_t));
+    memset(s,0,sizeof(muxer_stream_t));
+    if(!s) return NULL; // no mem!?
+    muxer->streams[muxer->avih.dwStreams]=s;
+    s->type=type;
+    s->id=muxer->avih.dwStreams;
+    s->timer=0.0;
+    s->size=0;
+    s->muxer=muxer;
+    switch(type){
+    case MUXER_TYPE_VIDEO:
+      s->ckid=mmioFOURCC(('0'+s->id/10),('0'+(s->id%10)),'d','c');
+      s->h.fccType=streamtypeVIDEO;
+      if(!muxer->def_v) muxer->def_v=s;
+      break;
+    default:
+      printf("WarninG! unknown stream type: %d\n",type);
+      return NULL;
+    }
+    muxer->avih.dwStreams++;
+    return s;
+}
+
+static void write_rawvideo_chunk(FILE *f,int len,void* data){
+    if(len>0){
+	if(data){
+	    // DATA
+	    fwrite(data,len,1,f);
+	}
+    }
+}
+
+static void rawvideofile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags){
+    muxer_t *muxer=s->muxer;
+
+    // write out the chunk:
+    write_rawvideo_chunk(muxer->file,len,s->buffer); /* unsigned char */
+
+    // alter counters:
+    if(s->h.dwSampleSize){
+	// CBR
+	s->h.dwLength+=len/s->h.dwSampleSize;
+	if(len%s->h.dwSampleSize) printf("Warning! len isn't divisable by samplesize!\n");
+    } else {
+	// VBR
+	s->h.dwLength++;
+    }
+    s->timer=(double)s->h.dwLength*s->h.dwScale/s->h.dwRate;
+    s->size+=len;
+    // if((unsigned int)len>s->h.dwSuggestedBufferSize) s->h.dwSuggestedBufferSize=len;
+
+}
+
+static void rawvideofile_write_header(muxer_t *muxer){
+    return;
+}
+
+static void rawvideofile_write_index(muxer_t *muxer){
+    return;
+}
+
+void muxer_init_muxer_rawvideo(muxer_t *muxer){
+  muxer->cont_new_stream = &rawvideofile_new_stream;
+  muxer->cont_write_chunk = &rawvideofile_write_chunk;
+  muxer->cont_write_header = &rawvideofile_write_header;
+  muxer->cont_write_index = &rawvideofile_write_index;
+}