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https://github.com/mpv-player/mpv
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video decoder stuff
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@1295 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi
parent
818a39476f
commit
a768ca2013
368
dec_video.c
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368
dec_video.c
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#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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extern int verbose; // defined in mplayer.c
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extern int divx_quality;
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extern double video_time_usage;
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extern double vout_time_usage;
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#include "stream.h"
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#include "demuxer.h"
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#include "wine/mmreg.h"
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#include "wine/avifmt.h"
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#include "wine/vfw.h"
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#include "codec-cfg.h"
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#include "stheader.h"
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//#include <inttypes.h>
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//#include "libvo/img_format.h"
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#include "libvo/video_out.h"
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#include "libmpeg2/mpeg2.h"
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#include "libmpeg2/mpeg2_internal.h"
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extern picture_t *picture; // exported from libmpeg2/decode.c
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extern int init_video_codec(sh_video_t *sh_video);
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#ifdef USE_DIRECTSHOW
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#include "loader/DirectShow/DS_VideoDec.h"
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#endif
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#ifdef USE_LIBAVCODEC
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#include "libavcodec/avcodec.h"
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AVCodec *lavc_codec=NULL;
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AVCodecContext lavc_context;
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AVPicture lavc_picture;
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#endif
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#include "opendivx/decore.h"
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//**************************************************************************//
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// The OpenDivX stuff:
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//**************************************************************************//
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#ifndef NEW_DECORE
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static unsigned char *opendivx_src[3];
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static int opendivx_stride[3];
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// callback, the opendivx decoder calls this for each frame:
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void convert_linux(unsigned char *puc_y, int stride_y,
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unsigned char *puc_u, unsigned char *puc_v, int stride_uv,
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unsigned char *bmp, int width_y, int height_y){
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// printf("convert_yuv called %dx%d stride: %d,%d\n",width_y,height_y,stride_y,stride_uv);
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opendivx_src[0]=puc_y;
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opendivx_src[1]=puc_u;
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opendivx_src[2]=puc_v;
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opendivx_stride[0]=stride_y;
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opendivx_stride[1]=stride_uv;
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opendivx_stride[2]=stride_uv;
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}
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#endif
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int init_video(sh_video_t *sh_video){
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unsigned int out_fmt=sh_video->codec->outfmt[sh_video->outfmtidx];
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switch(sh_video->codec->driver){
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case 2: {
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if(!init_video_codec(sh_video)) {
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// GUI_MSG( mplUnknowError )
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// exit(1);
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return 0;
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}
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if(verbose) printf("INFO: Win32 video codec init OK!\n");
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break;
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}
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case 4: { // Win32/DirectShow
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#ifndef USE_DIRECTSHOW
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fprintf(stderr,"MPlayer was compiled WITHOUT directshow support!\n");
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return 0;
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// GUI_MSG( mplCompileWithoutDSSupport )
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// exit(1);
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#else
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sh_video->our_out_buffer=NULL;
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if(DS_VideoDecoder_Open(sh_video->codec->dll,&sh_video->codec->guid, sh_video->bih, 0, &sh_video->our_out_buffer)){
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// if(DS_VideoDecoder_Open(sh_video->codec->dll,&sh_video->codec->guid, sh_video->bih, 0, NULL)){
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printf("ERROR: Couldn't open required DirectShow codec: %s\n",sh_video->codec->dll);
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printf("Maybe you forget to upgrade your win32 codecs?? It's time to download the new\n");
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printf("package from: ftp://thot.banki.hu/esp-team/linux/MPlayer/w32codec.zip !\n");
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printf("Or you should disable DShow support: make distclean;make -f Makefile.No-DS\n");
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return 0;
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// #ifdef HAVE_GUI
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// if ( !nogui )
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// {
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// strcpy( mplShMem->items.videodata.codecdll,sh_video->codec->dll );
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// mplSendMessage( mplDSCodecNotFound );
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// usec_sleep( 10000 );
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// }
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// #endif
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// exit(1);
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}
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switch(out_fmt){
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case IMGFMT_YUY2:
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case IMGFMT_UYVY:
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DS_VideoDecoder_SetDestFmt(16,out_fmt);break; // packed YUV
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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DS_VideoDecoder_SetDestFmt(12,out_fmt);break; // planar YUV
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default:
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DS_VideoDecoder_SetDestFmt(out_fmt&255,0); // RGB/BGR
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}
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DS_VideoDecoder_Start();
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DS_SetAttr_DivX("Quality",divx_quality);
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// printf("DivX setting result = %d\n", DS_SetAttr_DivX("Quality",divx_quality) );
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// printf("DivX setting result = %d\n", DS_SetValue_DivX("Brightness",60) );
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if(verbose) printf("INFO: Win32/DShow video codec init OK!\n");
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break;
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#endif
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}
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case 3: { // OpenDivX
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if(verbose) printf("OpenDivX video codec\n");
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{ DEC_PARAM dec_param;
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DEC_SET dec_set;
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#ifdef NEW_DECORE
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DEC_MEM_REQS dec_mem;
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dec_param.output_format=DEC_USER;
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#else
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dec_param.color_depth = 32;
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#endif
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dec_param.x_dim = sh_video->bih->biWidth;
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dec_param.y_dim = sh_video->bih->biHeight;
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#ifdef NEW_DECORE
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// 0.50-CVS new malloc scheme
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decore(0x123, DEC_OPT_MEMORY_REQS, &dec_param, &dec_mem);
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dec_param.buffers.mp4_edged_ref_buffers=malloc(dec_mem.mp4_edged_ref_buffers_size);
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dec_param.buffers.mp4_edged_for_buffers=malloc(dec_mem.mp4_edged_for_buffers_size);
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dec_param.buffers.mp4_display_buffers=malloc(dec_mem.mp4_display_buffers_size);
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dec_param.buffers.mp4_state=malloc(dec_mem.mp4_state_size);
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dec_param.buffers.mp4_tables=malloc(dec_mem.mp4_tables_size);
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dec_param.buffers.mp4_stream=malloc(dec_mem.mp4_stream_size);
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#endif
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decore(0x123, DEC_OPT_INIT, &dec_param, NULL);
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dec_set.postproc_level = divx_quality;
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decore(0x123, DEC_OPT_SETPP, &dec_set, NULL);
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}
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if(verbose) printf("INFO: OpenDivX video codec init OK!\n");
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break;
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}
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case 5: { // FFmpeg's libavcodec
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#ifndef USE_LIBAVCODEC
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fprintf(stderr,"MPlayer was compiled WITHOUT libavcodec support!\n");
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return 0; //exit(1);
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#else
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if(verbose) printf("FFmpeg's libavcodec video codec\n");
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avcodec_init();
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avcodec_register_all();
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lavc_codec = (AVCodec *)avcodec_find_decoder_by_name(sh_video->codec->dll);
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if(!lavc_codec){
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fprintf(stderr,"Can't find codec '%s' in libavcodec...\n",sh_video->codec->dll);
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return 0; //exit(1);
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}
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memset(&lavc_context, 0, sizeof(lavc_context));
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lavc_context.width=sh_video->disp_w;
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lavc_context.height=sh_video->disp_h;
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printf("libavcodec.size: %d x %d\n",lavc_context.width,lavc_context.height);
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/* open it */
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if (avcodec_open(&lavc_context, lavc_codec) < 0) {
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fprintf(stderr, "could not open codec\n");
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return 0; //exit(1);
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}
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if(verbose) printf("INFO: libavcodec init OK!\n");
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break;
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#endif
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}
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case 1: {
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// init libmpeg2:
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#ifdef MPEG12_POSTPROC
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picture->pp_options=divx_quality;
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#else
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if(divx_quality){
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printf("WARNING! You requested image postprocessing for an MPEG 1/2 video,\n");
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printf(" but compiled MPlayer without MPEG 1/2 postprocessing support!\n");
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printf(" #define MPEG12_POSTPROC in config.h, and recompile libmpeg2!\n");
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}
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#endif
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mpeg2_allocate_image_buffers (picture);
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break;
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}
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}
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return 1;
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}
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int decode_video(vo_functions_t *video_out,sh_video_t *sh_video,unsigned char *start,int in_size,int drop_frame){
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unsigned int out_fmt=sh_video->codec->outfmt[sh_video->outfmtidx];
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int blit_frame=0;
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//-------------------- Decode a frame: -----------------------
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switch(sh_video->codec->driver){
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case 3: {
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// OpenDivX
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unsigned int t=GetTimer();
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unsigned int t2;
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DEC_FRAME dec_frame;
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#ifdef NEW_DECORE
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DEC_PICTURE dec_pic;
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#endif
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// let's decode
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dec_frame.length = in_size;
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dec_frame.bitstream = start;
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dec_frame.render_flag = 1;
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#ifdef NEW_DECORE
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dec_frame.bmp=&dec_pic;
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dec_pic.y=dec_pic.u=dec_pic.v=NULL;
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#endif
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decore(0x123, 0, &dec_frame, NULL);
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t2=GetTimer();t=t2-t;video_time_usage+=t*0.000001f;
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#ifdef NEW_DECORE
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if(dec_pic.y){
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void* src[3];
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int stride[3];
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src[0]=dec_pic.y;
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src[1]=dec_pic.u;
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src[2]=dec_pic.v;
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stride[0]=dec_pic.stride_y;
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stride[1]=stride[2]=dec_pic.stride_uv;
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video_out->draw_slice(src,stride,
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sh_video->disp_w,sh_video->disp_h,0,0);
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blit_frame=1;
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}
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#else
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if(opendivx_src[0]){
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video_out->draw_slice(opendivx_src,opendivx_stride,
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sh_video->disp_w,sh_video->disp_h,0,0);
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opendivx_src[0]=NULL;
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blit_frame=1;
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}
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#endif
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t2=GetTimer()-t2;vout_time_usage+=t2*0.000001f;
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break;
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}
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#ifdef USE_DIRECTSHOW
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case 4: { // W32/DirectShow
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unsigned int t=GetTimer();
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unsigned int t2;
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if(drop_frame<2) DS_VideoDecoder_DecodeFrame(start, in_size, 0, !drop_frame);
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if(!drop_frame && sh_video->our_out_buffer){
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t2=GetTimer();t=t2-t;video_time_usage+=t*0.000001f;
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if(out_fmt==IMGFMT_YV12||out_fmt==IMGFMT_IYUV||out_fmt==IMGFMT_I420){
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uint8_t* dst[3];
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int stride[3];
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stride[0]=sh_video->disp_w;
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stride[1]=stride[2]=sh_video->disp_w/2;
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dst[0]=sh_video->our_out_buffer;
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dst[2]=dst[0]+sh_video->disp_w*sh_video->disp_h;
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dst[1]=dst[2]+sh_video->disp_w*sh_video->disp_h/4;
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video_out->draw_slice(dst,stride,sh_video->disp_w,sh_video->disp_h,0,0);
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} else
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video_out->draw_frame((uint8_t **)&sh_video->our_out_buffer);
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t2=GetTimer()-t2;vout_time_usage+=t2*0.000001f;
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blit_frame=1;
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}
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break;
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}
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#endif
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#ifdef USE_LIBAVCODEC
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case 5: { // libavcodec
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unsigned int t=GetTimer();
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unsigned int t2;
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int got_picture=0;
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if(drop_frame<2 && in_size>0){
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int ret = avcodec_decode_video(&lavc_context, &lavc_picture,
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&got_picture, start, in_size);
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if(ret<0) fprintf(stderr, "Error while decoding frame!\n");
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}
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if(!drop_frame && got_picture){
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t2=GetTimer();t=t2-t;video_time_usage+=t*0.000001f;
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video_out->draw_slice(lavc_picture.data,lavc_picture.linesize,sh_video->disp_w,sh_video->disp_h,0,0);
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t2=GetTimer()-t2;vout_time_usage+=t2*0.000001f;
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blit_frame=1;
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}
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break;
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}
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#endif
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case 2: {
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HRESULT ret;
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unsigned int t=GetTimer();
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unsigned int t2;
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if(in_size){
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sh_video->bih->biSizeImage = in_size;
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// sh_video->bih->biWidth = 1280;
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// sh_video->o_bih.biWidth = 1280;
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// ret = ICDecompress(avi_header.hic, ICDECOMPRESS_NOTKEYFRAME|(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL),
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ret = ICDecompress(sh_video->hic,
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( (sh_video->ds->flags&1) ? 0 : ICDECOMPRESS_NOTKEYFRAME ) |
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( (drop_frame==2 && !(sh_video->ds->flags&1))?(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL):0 ) ,
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sh_video->bih, start,
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&sh_video->o_bih,
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drop_frame ? 0 : sh_video->our_out_buffer);
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if(ret){ printf("Error decompressing frame, err=%d\n",(int)ret);break; }
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}
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// current_module="draw_frame";
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if(!drop_frame){
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t2=GetTimer();t=t2-t;video_time_usage+=t*0.000001f;
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// if(out_fmt==IMGFMT_YV12){
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if(out_fmt==IMGFMT_YV12||out_fmt==IMGFMT_IYUV||out_fmt==IMGFMT_I420){
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uint8_t* dst[3];
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int stride[3];
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stride[0]=sh_video->disp_w;
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stride[1]=stride[2]=sh_video->disp_w/2;
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dst[0]=sh_video->our_out_buffer;
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dst[2]=dst[0]+sh_video->disp_w*sh_video->disp_h;
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dst[1]=dst[2]+sh_video->disp_w*sh_video->disp_h/4;
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video_out->draw_slice(dst,stride,sh_video->disp_w,sh_video->disp_h,0,0);
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} else
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video_out->draw_frame((uint8_t **)&sh_video->our_out_buffer);
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t2=GetTimer()-t2;vout_time_usage+=t2*0.000001f;
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blit_frame=1;
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}
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break;
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}
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case 1: {
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int in_frame=0;
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int t=0;
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float newfps;
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t-=GetTimer();
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mpeg2_decode_data(video_out, start, start+in_size,drop_frame);
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t+=GetTimer(); video_time_usage+=t*0.000001;
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blit_frame=1;
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break;
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}
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} // switch
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//------------------------ frame decoded. --------------------
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return blit_frame;
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}
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