From 79d8b852f40ea0c5141d0d20ae50da0605caae22 Mon Sep 17 00:00:00 2001
From: arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Fri, 12 Apr 2002 21:49:51 +0000
Subject: RGB24/YUY2 -> DV encoding, using libdv

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5578 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libmpcodecs/ve_libdv.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 libmpcodecs/ve_libdv.c

(limited to 'libmpcodecs/ve_libdv.c')

diff --git a/libmpcodecs/ve_libdv.c b/libmpcodecs/ve_libdv.c
new file mode 100644
index 0000000000..c857343be8
--- /dev/null
+++ b/libmpcodecs/ve_libdv.c
@@ -0,0 +1,116 @@
+// requires libdv-0.9.5 !!!
+// (v0.9.0 is too old and has no encoding functionality exported!)
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../config.h"
+#include "../mp_msg.h"
+
+#ifdef HAVE_LIBDV095
+
+#include "codec-cfg.h"
+#include "stream.h"
+#include "demuxer.h"
+#include "stheader.h"
+
+#include "aviwrite.h"
+
+#include "../libvo/img_format.h"
+#include "../mp_image.h"
+#include "vf.h"
+
+#include <libdv/dv.h>
+
+#ifndef DV_WIDTH
+#define DV_WIDTH       720
+#define DV_PAL_HEIGHT  576
+#define DV_NTSC_HEIGHT 480
+#endif
+
+struct vf_priv_s {
+    aviwrite_stream_t* mux;
+    dv_encoder_t* enc;
+    
+};
+#define mux_v (vf->priv->mux)
+
+//===========================================================================//
+
+static int config(struct vf_instance_s* vf,
+        int width, int height, int d_width, int d_height,
+	unsigned int flags, unsigned int outfmt){
+
+    if(width!=DV_WIDTH || (height!=DV_PAL_HEIGHT && height!=DV_NTSC_HEIGHT)){
+	mp_msg(MSGT_VFILTER,MSGL_ERR,"DV: only 720x480 (NTSC) and 720x576 (PAL) resolutions allowed! try with -vop scale=720:480\n");
+    }
+    
+    vf->priv->enc->isPAL=(height==DV_PAL_HEIGHT);
+    vf->priv->enc->is16x9=(d_width/(float)d_height > 1.7); // 16:9=1.777777
+    vf->priv->enc->vlc_encode_passes=3;
+    vf->priv->enc->static_qno=0;
+    vf->priv->enc->force_dct=0;
+
+    mux_v->bih->biWidth=width;
+    mux_v->bih->biHeight=height;
+    mux_v->bih->biSizeImage=mux_v->bih->biWidth*mux_v->bih->biHeight*(mux_v->bih->biBitCount/8);
+
+    return 1;
+}
+
+static int control(struct vf_instance_s* vf, int request, void* data){
+
+    return CONTROL_UNKNOWN;
+}
+
+static int query_format(struct vf_instance_s* vf, unsigned int fmt){
+    if(fmt==IMGFMT_YUY2) return 3;
+    if(fmt==IMGFMT_RGB24) return 1;
+    return 0;
+}
+
+static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+
+    dv_encode_full_frame(vf->priv->enc, mpi->planes, 
+	(mpi->flags&MP_IMGFLAG_YUV) ? e_dv_color_yuv : e_dv_color_rgb,
+	mux_v->buffer);
+
+    mencoder_write_chunk(mux_v, 480 * (vf->priv->enc->isPAL ? 300 : 250) , 0x10);
+}
+
+//===========================================================================//
+
+static int vf_open(vf_instance_t *vf, char* args){
+    vf->config=config;
+    vf->control=control;
+    vf->query_format=query_format;
+    vf->put_image=put_image;
+    vf->priv=malloc(sizeof(struct vf_priv_s));
+    memset(vf->priv,0,sizeof(struct vf_priv_s));
+    vf->priv->mux=args;
+    
+    vf->priv->enc=dv_encoder_new(1,1,1); // FIXME, parse some options!
+    if(!vf->priv->enc) return 0;
+    
+    mux_v->bih=malloc(sizeof(BITMAPINFOHEADER));
+    mux_v->bih->biSize=sizeof(BITMAPINFOHEADER);
+    mux_v->bih->biWidth=0;
+    mux_v->bih->biHeight=0;
+    mux_v->bih->biCompression=mmioFOURCC('d','v','s','d');
+    mux_v->bih->biPlanes=1;
+    mux_v->bih->biBitCount=24;
+
+    return 1;
+}
+
+vf_info_t ve_info_libdv = {
+    "DV encoder using libdv",
+    "libdv",
+    "A'rpi",
+    "for internal use by mencoder",
+    vf_open
+};
+
+//===========================================================================//
+#endif
-- 
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