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mpv/libmpcodecs/ve_lavc.c
rfelker fd1f19b7be cleanup 
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8035 b3059339-0415-0410-9bf9-f77b7e298cf2
2002-11-02 04:56:48 +00:00

557 lines
20 KiB
C
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#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 "img_format.h"
#include "mp_image.h"
#include "vf.h"
extern char* passtmpfile;
extern void mencoder_write_chunk(aviwrite_stream_t *s,int len,unsigned int flags);
//===========================================================================//
#ifdef USE_LIBAVCODEC_SO
#include <ffmpeg/avcodec.h>
#else
#include "libavcodec/avcodec.h"
#endif
#if LIBAVCODEC_BUILD < 4601
#error your version of libavcodec is too old, get a newer one, and dont send a bugreport, THIS IS NO BUG
#endif
#if LIBAVCODEC_BUILD < 4624
#warning your version of libavcodec is old, u might want to get a newer one
#endif
extern int avcodec_inited;
/* video options */
static char *lavc_param_vcodec = "mpeg4";
static int lavc_param_vbitrate = -1;
static int lavc_param_vrate_tolerance = 1000*8;
static int lavc_param_vhq = 0; /* default is realtime encoding */
static int lavc_param_v4mv = 0;
static int lavc_param_vme = 4;
static int lavc_param_vqscale = 0;
static int lavc_param_vqmin = 2;
static int lavc_param_vqmax = 31;
static int lavc_param_vqdiff = 3;
static float lavc_param_vqcompress = 0.5;
static float lavc_param_vqblur = 0.5;
static float lavc_param_vb_qfactor = 1.25;
static float lavc_param_vb_qoffset = 1.25;
static float lavc_param_vi_qfactor = 0.8;
static float lavc_param_vi_qoffset = 0.0;
static int lavc_param_vmax_b_frames = 0;
static int lavc_param_keyint = -1;
static int lavc_param_vpass = 0;
static int lavc_param_vrc_strategy = 2;
static int lavc_param_vb_strategy = 0;
static int lavc_param_luma_elim_threshold = 0;
static int lavc_param_chroma_elim_threshold = 0;
static int lavc_param_packet_size= 0;
static int lavc_param_strict= 0;
static int lavc_param_data_partitioning= 0;
static int lavc_param_gray=0;
static float lavc_param_rc_qsquish=1.0;
static float lavc_param_rc_qmod_amp=0;
static int lavc_param_rc_qmod_freq=0;
static char *lavc_param_rc_override_string=NULL;
static char *lavc_param_rc_eq="tex^qComp";
static int lavc_param_rc_buffer_size=0;
static float lavc_param_rc_buffer_aggressivity=1.0;
static int lavc_param_rc_max_rate=0;
static int lavc_param_rc_min_rate=0;
static float lavc_param_rc_initial_cplx=0;
static int lavc_param_mpeg_quant=0;
static int lavc_param_fdct=0;
static int lavc_param_idct=0;
#if LIBAVCODEC_BUILD >= 4623
static float lavc_param_aspect=0.0;
#endif
static float lavc_param_lumi_masking= 0.0;
static float lavc_param_dark_masking= 0.0;
static float lavc_param_temporal_cplx_masking= 0.0;
static float lavc_param_spatial_cplx_masking= 0.0;
static float lavc_param_p_masking= 0.0;
static int lavc_param_normalize_aqp= 0;
static int lavc_param_interlaced_dct= 0;
#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},
{"vb_qfactor", &lavc_param_vb_qfactor, CONF_TYPE_FLOAT, CONF_RANGE, -31.0, 31.0, NULL},
{"vmax_b_frames", &lavc_param_vmax_b_frames, CONF_TYPE_INT, CONF_RANGE, 0, FF_MAX_B_FRAMES, NULL},
{"vpass", &lavc_param_vpass, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
#if LIBAVCODEC_BUILD < 4620
{"vrc_strategy", &lavc_param_vrc_strategy, CONF_TYPE_INT, CONF_RANGE, 0, 2, NULL},
#endif
{"vb_strategy", &lavc_param_vb_strategy, CONF_TYPE_INT, CONF_RANGE, 0, 1, NULL},
#ifdef CODEC_FLAG_PART
{"vb_qoffset", &lavc_param_vb_qoffset, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 31.0, NULL},
{"vlelim", &lavc_param_luma_elim_threshold, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
{"vcelim", &lavc_param_chroma_elim_threshold, CONF_TYPE_INT, CONF_RANGE, -99, 99, NULL},
{"vpsize", &lavc_param_packet_size, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
{"vstrict", &lavc_param_strict, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"vdpart", &lavc_param_data_partitioning, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
#endif
{"keyint", &lavc_param_keyint, CONF_TYPE_INT, 0, 0, 0, NULL},
#if LIBAVCODEC_BUILD >= 4614
{"gray", &lavc_param_gray, CONF_TYPE_FLAG, 0, 0, CODEC_FLAG_PART, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4619
{"mpeg_quant", &lavc_param_mpeg_quant, CONF_TYPE_FLAG, 0, 0, 1, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4620
{"vi_qfactor", &lavc_param_vi_qfactor, CONF_TYPE_FLOAT, CONF_RANGE, -31.0, 31.0, NULL},
{"vi_qoffset", &lavc_param_vi_qoffset, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 31.0, NULL},
{"vqsquish", &lavc_param_rc_qsquish, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
{"vqmod_amp", &lavc_param_rc_qmod_amp, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
{"vqmod_freq", &lavc_param_rc_qmod_freq, CONF_TYPE_INT, 0, 0, 0, NULL},
{"vrc_eq", &lavc_param_rc_eq, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"vrc_override", &lavc_param_rc_override_string, CONF_TYPE_STRING, 0, 0, 0, NULL},
{"vrc_maxrate", &lavc_param_rc_max_rate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
{"vrc_minrate", &lavc_param_rc_min_rate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
{"vrc_buf_size", &lavc_param_rc_min_rate, CONF_TYPE_INT, CONF_RANGE, 4, 24000000, NULL},
{"vrc_buf_aggressivity", &lavc_param_rc_buffer_aggressivity, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 99.0, NULL},
{"vrc_init_cplx", &lavc_param_rc_initial_cplx, CONF_TYPE_FLOAT, CONF_RANGE, 0.0, 9999999.0, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4621
{"vfdct", &lavc_param_fdct, CONF_TYPE_INT, CONF_RANGE, 0, 10, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4623
{"aspect", &lavc_param_aspect, CONF_TYPE_FLOAT, CONF_RANGE, 0.2, 3.0, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4625
{"lumi_mask", &lavc_param_lumi_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
{"tcplx_mask", &lavc_param_temporal_cplx_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
{"scplx_mask", &lavc_param_spatial_cplx_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
{"p_mask", &lavc_param_p_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
{"naq", &lavc_param_normalize_aqp, CONF_TYPE_FLAG, 0, 0, 1, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4626
{"dark_mask", &lavc_param_dark_masking, CONF_TYPE_FLOAT, CONF_RANGE, -1.0, 1.0, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4627
{"ildct", &lavc_param_interlaced_dct, CONF_TYPE_FLAG, 0, 0, 1, NULL},
#endif
#if LIBAVCODEC_BUILD >= 4629
{"idct", &lavc_param_idct, CONF_TYPE_INT, CONF_RANGE, 0, 20, NULL},
#endif
{NULL, NULL, 0, 0, 0, 0, NULL}
};
#endif
struct vf_priv_s {
aviwrite_stream_t* mux;
AVCodecContext *context;
AVCodec *codec;
FILE *stats_file;
};
#define stats_file (vf->priv->stats_file)
#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){
int size, i;
void *p;
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);
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 > 16000) /* != -1 */
lavc_venc_context->bit_rate = lavc_param_vbitrate;
else 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;
lavc_venc_context->max_b_frames= lavc_param_vmax_b_frames;
lavc_venc_context->b_quant_factor= lavc_param_vb_qfactor;
lavc_venc_context->rc_strategy= lavc_param_vrc_strategy;
lavc_venc_context->b_frame_strategy= lavc_param_vb_strategy;
#ifdef CODEC_FLAG_PART
lavc_venc_context->b_quant_offset= lavc_param_vb_qoffset;
lavc_venc_context->luma_elim_threshold= lavc_param_luma_elim_threshold;
lavc_venc_context->chroma_elim_threshold= lavc_param_chroma_elim_threshold;
lavc_venc_context->rtp_payload_size= lavc_param_packet_size;
if(lavc_param_packet_size )lavc_venc_context->rtp_mode=1;
lavc_venc_context->strict_std_compliance= lavc_param_strict;
#endif
#if LIBAVCODEC_BUILD >= 4620
lavc_venc_context->i_quant_factor= lavc_param_vi_qfactor;
lavc_venc_context->i_quant_offset= lavc_param_vi_qoffset;
lavc_venc_context->rc_qsquish= lavc_param_rc_qsquish;
lavc_venc_context->rc_qmod_amp= lavc_param_rc_qmod_amp;
lavc_venc_context->rc_qmod_freq= lavc_param_rc_qmod_freq;
lavc_venc_context->rc_eq= lavc_param_rc_eq;
lavc_venc_context->rc_max_rate= lavc_param_rc_max_rate*1000;
lavc_venc_context->rc_min_rate= lavc_param_rc_min_rate*1000;
lavc_venc_context->rc_buffer_size= lavc_param_rc_buffer_size*1000;
lavc_venc_context->rc_buffer_aggressivity= lavc_param_rc_buffer_aggressivity;
lavc_venc_context->rc_initial_cplx= lavc_param_rc_initial_cplx;
p= lavc_param_rc_override_string;
for(i=0; p; i++){
int start, end, q;
int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
if(e!=3){
mp_msg(MSGT_MENCODER,MSGL_ERR,"error parsing vrc_q\n");
return 0;
}
lavc_venc_context->rc_override=
realloc(lavc_venc_context->rc_override, sizeof(RcOverride)*(i+1));
lavc_venc_context->rc_override[i].start_frame= start;
lavc_venc_context->rc_override[i].end_frame = end;
if(q>0){
lavc_venc_context->rc_override[i].qscale= q;
lavc_venc_context->rc_override[i].quality_factor= 1.0;
}
else{
lavc_venc_context->rc_override[i].qscale= 0;
lavc_venc_context->rc_override[i].quality_factor= -q/100.0;
}
p= strchr(p, '/');
if(p) p++;
}
lavc_venc_context->rc_override_count=i;
#endif
#if LIBAVCODEC_BUILD >= 4619
lavc_venc_context->mpeg_quant=lavc_param_mpeg_quant;
#endif
#if LIBAVCODEC_BUILD >= 4621
lavc_venc_context->dct_algo= lavc_param_fdct;
#endif
#if LIBAVCODEC_BUILD >= 4629
lavc_venc_context->idct_algo= lavc_param_idct;
#endif
#if LIBAVCODEC_BUILD >= 4625
lavc_venc_context->lumi_masking= lavc_param_lumi_masking;
lavc_venc_context->temporal_cplx_masking= lavc_param_temporal_cplx_masking;
lavc_venc_context->spatial_cplx_masking= lavc_param_spatial_cplx_masking;
lavc_venc_context->p_masking= lavc_param_p_masking;
#endif
#if LIBAVCODEC_BUILD >= 4626
lavc_venc_context->dark_masking= lavc_param_dark_masking;
#endif
#if LIBAVCODEC_BUILD >= 4623
if (lavc_param_aspect != 0.0)
{
/* 625 means CIF */
if (lavc_param_aspect == (float)(4.0/3.0))
lavc_venc_context->aspect_ratio_info = FF_ASPECT_4_3_625;
else if (lavc_param_aspect == (float)(16.0/9.0))
lavc_venc_context->aspect_ratio_info = FF_ASPECT_16_9_625;
else if (lavc_param_aspect == (float)(221.0/100.0))
{
lavc_venc_context->aspect_ratio_info = FF_ASPECT_EXTENDED;
lavc_venc_context->aspected_width = 221;
lavc_venc_context->aspected_height = 100;
}
else
{
printf("Unsupported aspect ratio (%f)\n", lavc_param_aspect);
}
mp_dbg(MSGT_MENCODER, MSGL_DBG2, "aspect_ratio_info: %d\n", lavc_venc_context->aspect_ratio_info);
mp_dbg(MSGT_MENCODER, MSGL_DBG2, "par_width: %d\n", lavc_venc_context->aspected_width);
mp_dbg(MSGT_MENCODER, MSGL_DBG2, "par_height: %d\n", lavc_venc_context->aspected_height);
}
#endif
/* 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;
/* 4mv is currently buggy with B frames */
if (lavc_param_vmax_b_frames > 0 && lavc_param_v4mv) {
printf("4MV with B-Frames not yet supported -> 4MV disabled\n");
lavc_param_v4mv = 0;
}
lavc_venc_context->flags|= lavc_param_v4mv ? CODEC_FLAG_4MV : 0;
#ifdef CODEC_FLAG_PART
lavc_venc_context->flags|= lavc_param_data_partitioning;
#endif
#if LIBAVCODEC_BUILD >= 4614
if(lavc_param_gray) lavc_venc_context->flags|= CODEC_FLAG_GRAY;
#endif
#if LIBAVCODEC_BUILD >= 4625
if(lavc_param_normalize_aqp) lavc_venc_context->flags|= CODEC_FLAG_NORMALIZE_AQP;
#endif
#if LIBAVCODEC_BUILD >= 4627
if(lavc_param_interlaced_dct) lavc_venc_context->flags|= CODEC_FLAG_INTERLACED_DCT;
#endif
/* lavc internal 2pass bitrate control */
switch(lavc_param_vpass){
case 1:
lavc_venc_context->flags|= CODEC_FLAG_PASS1;
#if LIBAVCODEC_BUILD >= 4620
stats_file= fopen(passtmpfile, "w");
if(stats_file==NULL){
mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
return 0;
}
#endif
break;
case 2:
lavc_venc_context->flags|= CODEC_FLAG_PASS2;
#if LIBAVCODEC_BUILD >= 4620
stats_file= fopen(passtmpfile, "r");
if(stats_file==NULL){
mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: filename=%s\n", passtmpfile);
return 0;
}
fseek(stats_file, 0, SEEK_END);
size= ftell(stats_file);
fseek(stats_file, 0, SEEK_SET);
lavc_venc_context->stats_in= malloc(size + 1);
lavc_venc_context->stats_in[size]=0;
if(fread(lavc_venc_context->stats_in, size, 1, stats_file)<1){
mp_msg(MSGT_MENCODER,MSGL_ERR,"2pass failed: reading from filename=%s\n", passtmpfile);
return 0;
}
#endif
break;
}
#ifdef ME_ZERO
// workaround Juanjo's stupid incompatible change:
motion_estimation_method = lavc_param_vme;
#else
lavc_venc_context->me_method = ME_ZERO+lavc_param_vme;
#endif
/* 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;
}
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;
}
#if LIBAVCODEC_BUILD >= 4620
/* free second pass buffer, its not needed anymore */
if(lavc_venc_context->stats_in) free(lavc_venc_context->stats_in);
lavc_venc_context->stats_in= NULL;
#endif
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 VFCAP_CSP_SUPPORTED | VFCAP_ACCEPT_STRIDE;
}
return 0;
}
static int 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];
out_size = avcodec_encode_video(lavc_venc_context, mux_v->buffer, mux_v->buffer_size,
&lavc_venc_picture);
mencoder_write_chunk(mux_v,out_size,lavc_venc_context->key_frame?0x10:0);
#if LIBAVCODEC_BUILD >= 4620
/* store stats if there are any */
if(lavc_venc_context->stats_out && stats_file)
fprintf(stats_file, "%s", lavc_venc_context->stats_out);
#endif
return 1;
}
static void uninit(struct vf_instance_s* vf){
avcodec_close(lavc_venc_context);
#if LIBAVCODEC_BUILD >= 4620
if(stats_file) fclose(stats_file);
/* free rc_override */
if(lavc_venc_context->rc_override) free(lavc_venc_context->rc_override);
lavc_venc_context->rc_override= NULL;
#endif
if(vf->priv->context) free(vf->priv->context);
vf->priv->context= NULL;
}
//===========================================================================//
static int vf_open(vf_instance_t *vf, char* args){
vf->uninit=uninit;
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=(aviwrite_stream_t*)args;
/* XXX: hack: some of the MJPEG decoder DLL's needs exported huffman
table, so we define a zero-table, also lavc mjpeg encoder is putting
huffman tables into the stream, so no problem */
if (lavc_param_vcodec && !strcasecmp(lavc_param_vcodec, "mjpeg"))
{
mux_v->bih=malloc(sizeof(BITMAPINFOHEADER)+28);
memset(mux_v->bih, 0, sizeof(BITMAPINFOHEADER)+28);
mux_v->bih->biSize=sizeof(BITMAPINFOHEADER)+28;
}
else
{
mux_v->bih=malloc(sizeof(BITMAPINFOHEADER));
memset(mux_v->bih, 0, 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 required!\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 if (!strcasecmp(lavc_param_vcodec, "msmpeg4v2"))
mux_v->bih->biCompression = mmioFOURCC('M', 'P', '4', '2');
else if (!strcasecmp(lavc_param_vcodec, "wmv1"))
mux_v->bih->biCompression = mmioFOURCC('W', 'M', 'V', '1');
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;
}
#if LIBAVCODEC_BUILD >= 4624
vf->priv->context = avcodec_alloc_context();
#else
vf->priv->context = malloc(sizeof(AVCodecContext));
memset(vf->priv->context, 0, sizeof(AVCodecContext));
#endif
return 1;
}
vf_info_t ve_info_lavc = {
"libavcodec encoder",
"lavc",
"A'rpi, Alex, Michael",
"for internal use by mencoder",
vf_open
};
//===========================================================================//
#endif
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