mirror of https://github.com/mpv-player/mpv
285 lines
9.3 KiB
C
285 lines
9.3 KiB
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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#include "stream.h"
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#include "demuxer.h"
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#include "loader.h"
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//#include "wine/mmreg.h"
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//#include "wine/vfw.h"
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#include "wine/avifmt.h"
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#include "codec-cfg.h"
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#include "stheader.h"
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#include "libvo/img_format.h"
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#include "linux/shmem.h"
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extern char* win32_codec_name; // must be set before calling DrvOpen() !!!
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// ACM audio and VfW video codecs initialization
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// based on the avifile library [http://divx.euro.ru]
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int init_acm_audio_codec(sh_audio_t *sh_audio){
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HRESULT ret;
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WAVEFORMATEX *in_fmt=sh_audio->wf;
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unsigned long srcsize=0;
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if(verbose) printf("======= Win32 (ACM) AUDIO Codec init =======\n");
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sh_audio->srcstream=NULL;
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// if(in_fmt->nSamplesPerSec==0){ printf("Bad WAVE header!\n");exit(1); }
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// MSACM_RegisterAllDrivers();
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sh_audio->o_wf.nChannels=in_fmt->nChannels;
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sh_audio->o_wf.nSamplesPerSec=in_fmt->nSamplesPerSec;
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sh_audio->o_wf.nAvgBytesPerSec=2*sh_audio->o_wf.nSamplesPerSec*sh_audio->o_wf.nChannels;
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sh_audio->o_wf.wFormatTag=WAVE_FORMAT_PCM;
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sh_audio->o_wf.nBlockAlign=2*in_fmt->nChannels;
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sh_audio->o_wf.wBitsPerSample=16;
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sh_audio->o_wf.cbSize=0;
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win32_codec_name = sh_audio->codec->dll;
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ret=acmStreamOpen(&sh_audio->srcstream,(HACMDRIVER)NULL,
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in_fmt,&sh_audio->o_wf,
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NULL,0,0,0);
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if(ret){
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if(ret==ACMERR_NOTPOSSIBLE)
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printf("ACM_Decoder: Unappropriate audio format\n");
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else
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printf("ACM_Decoder: acmStreamOpen error %d", (int)ret);
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sh_audio->srcstream=NULL;
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return 0;
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}
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if(verbose) printf("Audio codec opened OK! ;-)\n");
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acmStreamSize(sh_audio->srcstream, in_fmt->nBlockAlign, &srcsize, ACM_STREAMSIZEF_SOURCE);
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if(srcsize<OUTBURST) srcsize=OUTBURST;
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sh_audio->audio_out_minsize=srcsize; // audio output min. size
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if(verbose) printf("Audio ACM output buffer min. size: %ld\n",srcsize);
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acmStreamSize(sh_audio->srcstream, 2*srcsize, &srcsize, ACM_STREAMSIZEF_DESTINATION);
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sh_audio->audio_in_minsize=srcsize; // audio input min. size
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if(verbose) printf("Audio ACM input buffer min. size: %ld\n",srcsize);
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if(srcsize<in_fmt->nBlockAlign) srcsize=in_fmt->nBlockAlign;
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sh_audio->a_in_buffer_size=2*sh_audio->audio_in_minsize;
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sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
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sh_audio->a_in_buffer_len=0;
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return 1;
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}
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int acm_decode_audio(sh_audio_t *sh_audio, void* a_buffer,int len){
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ACMSTREAMHEADER ash;
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HRESULT hr;
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DWORD srcsize=0;
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acmStreamSize(sh_audio->srcstream,len , &srcsize, ACM_STREAMSIZEF_DESTINATION);
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if(verbose>=3)printf("acm says: srcsize=%ld (buffsize=%d) out_size=%d\n",srcsize,sh_audio->a_in_buffer_size,len);
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// if(srcsize==0) srcsize=((WAVEFORMATEX *)&sh_audio->o_wf_ext)->nBlockAlign;
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if(srcsize>sh_audio->a_in_buffer_size) srcsize=sh_audio->a_in_buffer_size; // !!!!!!
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if(sh_audio->a_in_buffer_len<srcsize){
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sh_audio->a_in_buffer_len+=
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demux_read_data(sh_audio->ds,&sh_audio->a_in_buffer[sh_audio->a_in_buffer_len],
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srcsize-sh_audio->a_in_buffer_len);
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}
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if(verbose>=3)printf("acm convert %d -> %d bytes\n",sh_audio->a_in_buffer_len,len);
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memset(&ash, 0, sizeof(ash));
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ash.cbStruct=sizeof(ash);
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ash.fdwStatus=0;
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ash.dwUser=0;
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ash.pbSrc=sh_audio->a_in_buffer;
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ash.cbSrcLength=sh_audio->a_in_buffer_len;
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ash.pbDst=a_buffer;
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ash.cbDstLength=len;
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hr=acmStreamPrepareHeader(sh_audio->srcstream,&ash,0);
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if(hr){
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printf("ACM_Decoder: acmStreamPrepareHeader error %d\n",(int)hr);
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return -1;
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}
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hr=acmStreamConvert(sh_audio->srcstream,&ash,0);
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if(hr){
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printf("ACM_Decoder: acmStreamConvert error %d\n",(int)hr);
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// return -1;
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}
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if(verbose>=3) printf("acm converted %d -> %d\n",ash.cbSrcLengthUsed,ash.cbDstLengthUsed);
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if(ash.cbSrcLengthUsed>=sh_audio->a_in_buffer_len){
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sh_audio->a_in_buffer_len=0;
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} else {
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sh_audio->a_in_buffer_len-=ash.cbSrcLengthUsed;
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memcpy(sh_audio->a_in_buffer,&sh_audio->a_in_buffer[ash.cbSrcLengthUsed],sh_audio->a_in_buffer_len);
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}
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len=ash.cbDstLengthUsed;
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hr=acmStreamUnprepareHeader(sh_audio->srcstream,&ash,0);
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if(hr){
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printf("ACM_Decoder: acmStreamUnprepareHeader error %d\n",(int)hr);
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}
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return len;
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}
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int init_video_codec(sh_video_t *sh_video){
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HRESULT ret;
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int yuv=0;
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unsigned int outfmt=sh_video->codec->outfmt[sh_video->outfmtidx];
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if(verbose) printf("======= Win32 (VFW) VIDEO Codec init =======\n");
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memset(&sh_video->o_bih, 0, sizeof(BITMAPINFOHEADER));
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sh_video->o_bih.biSize = sizeof(BITMAPINFOHEADER);
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win32_codec_name = sh_video->codec->dll;
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sh_video->hic = ICOpen( 0x63646976, sh_video->bih->biCompression, ICMODE_FASTDECOMPRESS);
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// sh_video->hic = ICOpen( 0x63646976, sh_video->bih.biCompression, ICMODE_DECOMPRESS);
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if(!sh_video->hic){
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printf("ICOpen failed! unknown codec / wrong parameters?\n");
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return 0;
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}
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// sh_video->bih.biBitCount=32;
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ret = ICDecompressGetFormat(sh_video->hic, sh_video->bih, &sh_video->o_bih);
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if(ret){
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printf("ICDecompressGetFormat failed: Error %d\n", (int)ret);
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return 0;
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}
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if(verbose) printf("ICDecompressGetFormat OK\n");
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// printf("ICM_DECOMPRESS_QUERY=0x%X",ICM_DECOMPRESS_QUERY);
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// sh_video->o_bih.biWidth=sh_video->bih.biWidth;
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// sh_video->o_bih.biCompression = 0x32315659; // mmioFOURCC('U','Y','V','Y');
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// ret=ICDecompressGetFormatSize(sh_video->hic,&sh_video->o_bih);
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// sh_video->o_bih.biCompression = 3; //0x32315659;
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// sh_video->o_bih.biCompression = mmioFOURCC('U','Y','V','Y');
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// sh_video->o_bih.biCompression = mmioFOURCC('U','Y','V','Y');
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// sh_video->o_bih.biCompression = mmioFOURCC('Y','U','Y','2');
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// sh_video->o_bih.biPlanes=3;
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// sh_video->o_bih.biBitCount=16;
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switch (outfmt) {
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/* planar format */
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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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sh_video->o_bih.biBitCount=12;
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yuv=1;
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break;
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/* packed format */
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case IMGFMT_YUY2:
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case IMGFMT_UYVY:
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case IMGFMT_YVYU:
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sh_video->o_bih.biBitCount=16;
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yuv=1;
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break;
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/* rgb/bgr format */
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case IMGFMT_RGB8:
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case IMGFMT_BGR8:
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sh_video->o_bih.biBitCount=8;
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break;
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case IMGFMT_RGB15:
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case IMGFMT_RGB16:
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case IMGFMT_BGR15:
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case IMGFMT_BGR16:
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sh_video->o_bih.biBitCount=16;
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break;
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case IMGFMT_RGB24:
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case IMGFMT_BGR24:
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sh_video->o_bih.biBitCount=24;
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break;
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case IMGFMT_RGB32:
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case IMGFMT_BGR32:
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sh_video->o_bih.biBitCount=32;
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break;
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default:
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printf("unsupported image format: 0x%x\n", outfmt);
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return 0;
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}
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sh_video->o_bih.biSizeImage = sh_video->o_bih.biWidth * sh_video->o_bih.biHeight * (sh_video->o_bih.biBitCount/8);
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if(!(sh_video->codec->outflags[sh_video->outfmtidx]&CODECS_FLAG_FLIP)) {
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sh_video->o_bih.biHeight=-sh_video->bih->biHeight; // flip image!
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}
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if(yuv && !(sh_video->codec->outflags[sh_video->outfmtidx] & CODECS_FLAG_YUVHACK))
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sh_video->o_bih.biCompression = outfmt;
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if(verbose) {
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printf("Starting decompression, format:\n");
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printf(" biSize %ld\n", sh_video->bih->biSize);
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printf(" biWidth %ld\n", sh_video->bih->biWidth);
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printf(" biHeight %ld\n", sh_video->bih->biHeight);
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printf(" biPlanes %d\n", sh_video->bih->biPlanes);
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printf(" biBitCount %d\n", sh_video->bih->biBitCount);
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printf(" biCompression 0x%lx ('%.4s')\n", sh_video->bih->biCompression, (char *)&sh_video->bih->biCompression);
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printf(" biSizeImage %ld\n", sh_video->bih->biSizeImage);
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printf("Dest fmt:\n");
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printf(" biSize %ld\n", sh_video->o_bih.biSize);
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printf(" biWidth %ld\n", sh_video->o_bih.biWidth);
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printf(" biHeight %ld\n", sh_video->o_bih.biHeight);
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printf(" biPlanes %d\n", sh_video->o_bih.biPlanes);
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printf(" biBitCount %d\n", sh_video->o_bih.biBitCount);
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printf(" biCompression 0x%lx ('%.4s')\n", sh_video->o_bih.biCompression, (char *)&sh_video->o_bih.biCompression);
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printf(" biSizeImage %ld\n", sh_video->o_bih.biSizeImage);
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}
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ret = ICDecompressQuery(sh_video->hic, sh_video->bih, &sh_video->o_bih);
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if(ret){
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printf("ICDecompressQuery failed: Error %d\n", (int)ret);
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return 0;
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}
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if(verbose) printf("ICDecompressQuery OK\n");
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ret = ICDecompressBegin(sh_video->hic, sh_video->bih, &sh_video->o_bih);
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if(ret){
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printf("ICDecompressBegin failed: Error %d\n", (int)ret);
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return 0;
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}
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#if 0
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//sh_video->hic
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//ICSendMessage(HIC hic,unsigned int msg,long lParam1,long lParam2)
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{ int i;
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for(i=73;i<256;i++){
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printf("Calling ICM_USER+%d function...",i);fflush(stdout);
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ret = ICSendMessage(sh_video->hic,ICM_USER+i,NULL,NULL);
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printf(" ret=%d\n",ret);
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}
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}
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#endif
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sh_video->our_out_buffer = shmem_alloc(sh_video->o_bih.biSizeImage);
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if(!sh_video->our_out_buffer){
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printf("not enough memory for decoded picture buffer (%ld bytes)\n", sh_video->o_bih.biSizeImage);
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return 0;
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}
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if(yuv && sh_video->codec->outflags[sh_video->outfmtidx] & CODECS_FLAG_YUVHACK)
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sh_video->o_bih.biCompression = outfmt;
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// avi_header.our_in_buffer=malloc(avi_header.video.dwSuggestedBufferSize); // FIXME!!!!
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if(verbose) printf("VIDEO CODEC Init OK!!! ;-)\n");
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return 1;
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}
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