1 files changed, 291 insertions, 0 deletions

diff --git a/libmpcodecs/ve_lavc.c b/libmpcodecs/ve_lavc.c
new file mode 100644
index 0000000000..a29104055a
--- /dev/null
+++ b/libmpcodecs/ve_lavc.c
@@ -0,0 +1,291 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../config.h"
+
+#ifdef USE_LIBAVCODEC
+
+#include "../mp_msg.h"
+#include "../help_mp.h"
+
+#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 "divx4_vbr.h"
+
+extern int pass;
+extern char* passtmpfile;
+
+//===========================================================================//
+
+#ifdef USE_LIBAVCODEC_SO
+#include <libffmpeg/avcodec.h>
+#else
+#include "libavcodec/avcodec.h"
+#endif
+
+extern int avcodec_inited;
+
+/* video options */
+static char *lavc_param_vcodec = NULL;
+static int lavc_param_vbitrate = -1;
+static int lavc_param_vrate_tolerance = 1024*8;
+static int lavc_param_vhq = 0; /* default is realtime encoding */
+static int lavc_param_v4mv = 0;
+static int lavc_param_vme = 3;
+static int lavc_param_vqscale = 0;
+static int lavc_param_vqmin = 3;
+static int lavc_param_vqmax = 15;
+static int lavc_param_vqdiff = 3;
+static float lavc_param_vqcompress = 0.5;
+static float lavc_param_vqblur = 0.5;
+static int lavc_param_keyint = -1;
+
+#include "cfgparser.h"
+
+#ifdef USE_LIBAVCODEC
+struct config lavcopts_conf[]={
+	{"vcodec", &lavc_param_vcodec, CONF_TYPE_STRING, 0, 0, 0, NULL},
+	{"vbitrate", &lavc_param_vbitrate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
+	{"vratetol", &lavc_param_vrate_tolerance, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
+	{"vhq", &lavc_param_vhq, CONF_TYPE_FLAG, 0, 0, 1, NULL},
+	{"v4mv", &lavc_param_v4mv, CONF_TYPE_FLAG, 0, 0, 1, NULL},
+	{"vme", &lavc_param_vme, CONF_TYPE_INT, CONF_RANGE, 0, 5, NULL},
+	{"vqscale", &lavc_param_vqscale, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
+	{"vqmin", &lavc_param_vqmin, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
+	{"vqmax", &lavc_param_vqmax, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
+	{"vqdiff", &lavc_param_vqdiff, CONF_TYPE_INT, CONF_RANGE, 1, 31, NULL},
+	{"vqcomp", &lavc_param_vqcompress, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
+	{"vqblur", &lavc_param_vqblur, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 1.0, NULL},
+	{"keyint", &lavc_param_keyint, CONF_TYPE_INT, 0, 0, 0, NULL},
+	{NULL, NULL, 0, 0, 0, 0, NULL}
+};
+#endif
+
+struct vf_priv_s {
+    aviwrite_stream_t* mux;
+    AVCodecContext context;
+    AVCodec *codec;
+};
+
+#define mux_v (vf->priv->mux)
+#define lavc_venc_context (vf->priv->context)
+
+static int config(struct vf_instance_s* vf,
+        int width, int height, int d_width, int d_height,
+	unsigned int flags, unsigned int outfmt){
+
+    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);
+
+    memset(&lavc_venc_context, 0, sizeof(lavc_venc_context));
+
+    printf("videocodec: libavcodec (%dx%d fourcc=%x [%.4s])\n",
+	mux_v->bih->biWidth, mux_v->bih->biHeight, mux_v->bih->biCompression,
+	    (char *)&mux_v->bih->biCompression);
+
+    lavc_venc_context.width = width;
+    lavc_venc_context.height = height;
+    if (lavc_param_vbitrate >= 0) /* != -1 */
+	lavc_venc_context.bit_rate = lavc_param_vbitrate*1000;
+    else
+	lavc_venc_context.bit_rate = 800000; /* default */
+    lavc_venc_context.bit_rate_tolerance= lavc_param_vrate_tolerance*1000;
+    lavc_venc_context.frame_rate = (float)mux_v->h.dwRate/mux_v->h.dwScale * FRAME_RATE_BASE;
+    lavc_venc_context.qmin= lavc_param_vqmin;
+    lavc_venc_context.qmax= lavc_param_vqmax;
+    lavc_venc_context.max_qdiff= lavc_param_vqdiff;
+    lavc_venc_context.qcompress= lavc_param_vqcompress;
+    lavc_venc_context.qblur= lavc_param_vqblur;
+    /* keyframe interval */
+    if (lavc_param_keyint >= 0) /* != -1 */
+	lavc_venc_context.gop_size = lavc_param_keyint;
+    else
+	lavc_venc_context.gop_size = 250; /* default */
+
+    if (lavc_param_vhq)
+    {
+	printf("High quality encoding selected (non real time)!\n");
+	lavc_venc_context.flags = CODEC_FLAG_HQ;
+    }
+    else
+	lavc_venc_context.flags = 0;
+
+    lavc_venc_context.flags|= lavc_param_v4mv ? CODEC_FLAG_4MV : 0;
+
+    /* motion estimation (0 = none ... 3 = high quality but slow) */
+    /* this is just an extern from libavcodec but it should be in the
+       encoder context - FIXME */
+    motion_estimation_method = lavc_param_vme;
+
+    /* fixed qscale :p */
+    if (lavc_param_vqscale)
+    {
+	printf("Using constant qscale = %d (VBR)\n", lavc_param_vqscale);
+	lavc_venc_context.flags |= CODEC_FLAG_QSCALE;
+	lavc_venc_context.quality = lavc_param_vqscale;
+    }
+
+    switch(pass){
+    case 1:
+	if (VbrControl_init_2pass_vbr_analysis(passtmpfile, 5) == -1){
+	    mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
+	    pass=0;
+	}
+	break;
+    case 2:
+        if (VbrControl_init_2pass_vbr_encoding(passtmpfile,
+		    lavc_venc_context.bit_rate,
+		    (float)mux_v->h.dwRate/mux_v->h.dwScale,
+		    100, /* crispness */
+		    5) == -1){
+	    mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
+	    pass=0;
+	}
+	break;
+    }
+
+    if (avcodec_open(&lavc_venc_context, vf->priv->codec) != 0) {
+	mp_msg(MSGT_MENCODER,MSGL_ERR,MSGTR_CantOpenCodec);
+	return 0;
+    }
+
+    if (lavc_venc_context.codec->encode == NULL) {
+	mp_msg(MSGT_MENCODER,MSGL_ERR,"avcodec init failed (ctx->codec->encode == NULL)!\n");
+	return 0;
+    }
+
+    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){
+    switch(fmt){
+    case IMGFMT_YV12:
+    case IMGFMT_IYUV:
+    case IMGFMT_I420:
+	return 1;
+    }
+    return 0;
+}
+
+static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
+    int out_size;
+    AVPicture lavc_venc_picture;
+
+    lavc_venc_picture.data[0]=mpi->planes[0];
+    lavc_venc_picture.data[1]=mpi->planes[1];
+    lavc_venc_picture.data[2]=mpi->planes[2];
+    lavc_venc_picture.linesize[0]=mpi->stride[0];
+    lavc_venc_picture.linesize[1]=mpi->stride[1];
+    lavc_venc_picture.linesize[2]=mpi->stride[2];
+
+    if(pass==2){ // handle 2-pass:
+	lavc_venc_context.flags|=CODEC_FLAG_QSCALE; // enable VBR
+	lavc_venc_context.quality=VbrControl_get_quant();
+#ifdef CODEC_FLAG_TYPE
+	lavc_venc_context.flags|=CODEC_FLAG_TYPE; // force keyframes
+	lavc_venc_context.key_frame=VbrControl_get_intra();
+	lavc_venc_context.gop_size=0x3fffffff;
+#else
+#error you should upgrade libavcodec... get latest CVS
+#endif
+	out_size = avcodec_encode_video(&lavc_venc_context, mux_v->buffer, mux_v->buffer_size,
+	    &lavc_venc_picture);
+	VbrControl_update_2pass_vbr_encoding(lavc_venc_context.mv_bits,
+	      lavc_venc_context.i_tex_bits+lavc_venc_context.p_tex_bits,
+	      8*out_size);
+    } else {
+	out_size = avcodec_encode_video(&lavc_venc_context, mux_v->buffer, mux_v->buffer_size,
+	    &lavc_venc_picture);
+
+	if(pass==1){
+	  VbrControl_update_2pass_vbr_analysis(lavc_venc_context.key_frame,
+	      lavc_venc_context.mv_bits,
+	      lavc_venc_context.i_tex_bits+lavc_venc_context.p_tex_bits,
+	      8*out_size, lavc_venc_context.quality);
+	}
+	
+    }
+
+    mencoder_write_chunk(mux_v,out_size,lavc_venc_context.key_frame?0x10:0);
+}
+
+//===========================================================================//
+
+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;
+
+    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->biPlanes=1;
+    mux_v->bih->biBitCount=24;
+    if (!lavc_param_vcodec)
+    {
+	printf("No libavcodec codec specified! It's requested!\n");
+	return 0;
+    }
+
+    if (!strcasecmp(lavc_param_vcodec, "mpeg1") || !strcasecmp(lavc_param_vcodec, "mpeg1video"))
+	mux_v->bih->biCompression = mmioFOURCC('m', 'p', 'g', '1');
+    else if (!strcasecmp(lavc_param_vcodec, "h263") || !strcasecmp(lavc_param_vcodec, "h263p"))
+	mux_v->bih->biCompression = mmioFOURCC('h', '2', '6', '3');
+    else if (!strcasecmp(lavc_param_vcodec, "rv10"))
+	mux_v->bih->biCompression = mmioFOURCC('R', 'V', '1', '0');
+    else if (!strcasecmp(lavc_param_vcodec, "mjpeg"))
+	mux_v->bih->biCompression = mmioFOURCC('M', 'J', 'P', 'G');
+    else if (!strcasecmp(lavc_param_vcodec, "mpeg4"))
+	mux_v->bih->biCompression = mmioFOURCC('D', 'I', 'V', 'X');
+    else if (!strcasecmp(lavc_param_vcodec, "msmpeg4"))
+	mux_v->bih->biCompression = mmioFOURCC('d', 'i', 'v', '3');
+    else
+	mux_v->bih->biCompression = mmioFOURCC(lavc_param_vcodec[0],
+		lavc_param_vcodec[1], lavc_param_vcodec[2], lavc_param_vcodec[3]); /* FIXME!!! */
+
+    if (!avcodec_inited){
+	avcodec_init();
+	avcodec_register_all();
+	avcodec_inited=1;
+    }
+
+    vf->priv->codec = (AVCodec *)avcodec_find_encoder_by_name(lavc_param_vcodec);
+    if (!vf->priv->codec) {
+	mp_msg(MSGT_MENCODER,MSGL_ERR,MSGTR_MissingLAVCcodec, lavc_param_vcodec);
+	return 0;
+    }
+
+    return 1;
+}
+
+vf_info_t ve_info_lavc = {
+    "libavcodec encoder",
+    "lavc",
+    "A'rpi",
+    "for internal use by mencoder",
+    vf_open
+};
+
+//===========================================================================//
+#endif