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mpv/dll_init.c

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "config.h"
extern int verbose; // defined in mplayer.c
#include "stream.h"
#include "demuxer.h"
#include "loader.h"
//#include "wine/mmreg.h"
#include "wine/vfw.h"
#include "wine/avifmt.h"
#include "codec-cfg.h"
#include "stheader.h"
#include "libvo/img_format.h"
#include "linux/shmem.h"
extern char* win32_codec_name; // must be set before calling DrvOpen() !!!
// ACM audio and VfW video codecs initialization
// based on the avifile library [http://divx.euro.ru]
int init_acm_audio_codec(sh_audio_t *sh_audio){
HRESULT ret;
WAVEFORMATEX *in_fmt=sh_audio->wf;
unsigned long srcsize=0;
if(verbose) printf("======= Win32 (ACM) AUDIO Codec init =======\n");
sh_audio->srcstream=NULL;
// if(in_fmt->nSamplesPerSec==0){ printf("Bad WAVE header!\n");exit(1); }
// MSACM_RegisterAllDrivers();
sh_audio->o_wf.nChannels=in_fmt->nChannels;
sh_audio->o_wf.nSamplesPerSec=in_fmt->nSamplesPerSec;
sh_audio->o_wf.nAvgBytesPerSec=2*sh_audio->o_wf.nSamplesPerSec*sh_audio->o_wf.nChannels;
sh_audio->o_wf.wFormatTag=WAVE_FORMAT_PCM;
sh_audio->o_wf.nBlockAlign=2*in_fmt->nChannels;
sh_audio->o_wf.wBitsPerSample=16;
sh_audio->o_wf.cbSize=0;
win32_codec_name = sh_audio->codec->dll;
ret=acmStreamOpen(&sh_audio->srcstream,(HACMDRIVER)NULL,
in_fmt,&sh_audio->o_wf,
NULL,0,0,0);
if(ret){
if(ret==ACMERR_NOTPOSSIBLE)
printf("ACM_Decoder: Unappropriate audio format\n");
else
printf("ACM_Decoder: acmStreamOpen error %d", (int)ret);
sh_audio->srcstream=NULL;
return 0;
}
if(verbose) printf("Audio codec opened OK! ;-)\n");
acmStreamSize(sh_audio->srcstream, in_fmt->nBlockAlign, &srcsize, ACM_STREAMSIZEF_SOURCE);
//if(verbose) printf("Audio ACM output buffer min. size: %ld (reported by codec)\n",srcsize);
srcsize*=2;
//if(srcsize<MAX_OUTBURST) srcsize=MAX_OUTBURST;
if(!srcsize){
printf("Warning! ACM codec reports srcsize=0\n");
srcsize=16384;
}
// limit srcsize to 4-16kb
//while(srcsize && srcsize<4096) srcsize*=2;
//while(srcsize>16384) srcsize/=2;
sh_audio->audio_out_minsize=srcsize; // audio output min. size
if(verbose) printf("Audio ACM output buffer min. size: %ld\n",srcsize);
acmStreamSize(sh_audio->srcstream, srcsize, &srcsize, ACM_STREAMSIZEF_DESTINATION);
sh_audio->audio_in_minsize=srcsize; // audio input min. size
if(verbose) printf("Audio ACM input buffer min. size: %ld\n",srcsize);
if(srcsize<in_fmt->nBlockAlign) srcsize=in_fmt->nBlockAlign;
sh_audio->a_in_buffer_size=2*sh_audio->audio_in_minsize;
sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
sh_audio->a_in_buffer_len=0;
return 1;
}
int acm_decode_audio(sh_audio_t *sh_audio, void* a_buffer,int minlen,int maxlen){
ACMSTREAMHEADER ash;
HRESULT hr;
DWORD srcsize=0;
DWORD len=minlen;
acmStreamSize(sh_audio->srcstream,len , &srcsize, ACM_STREAMSIZEF_DESTINATION);
if(verbose>=3)printf("acm says: srcsize=%ld (buffsize=%d) out_size=%d\n",srcsize,sh_audio->a_in_buffer_size,len);
if(srcsize<sh_audio->wf->nBlockAlign){
srcsize=sh_audio->wf->nBlockAlign;
acmStreamSize(sh_audio->srcstream, srcsize, &len, ACM_STREAMSIZEF_SOURCE);
if(len>maxlen) len=maxlen;
}
// if(srcsize==0) srcsize=((WAVEFORMATEX *)&sh_audio->o_wf_ext)->nBlockAlign;
if(srcsize>sh_audio->a_in_buffer_size) srcsize=sh_audio->a_in_buffer_size; // !!!!!!
if(sh_audio->a_in_buffer_len<srcsize){
sh_audio->a_in_buffer_len+=
demux_read_data(sh_audio->ds,&sh_audio->a_in_buffer[sh_audio->a_in_buffer_len],
srcsize-sh_audio->a_in_buffer_len);
}
if(verbose>=3)printf("acm convert %d -> %d bytes\n",sh_audio->a_in_buffer_len,len);
memset(&ash, 0, sizeof(ash));
ash.cbStruct=sizeof(ash);
ash.fdwStatus=0;
ash.dwUser=0;
ash.pbSrc=sh_audio->a_in_buffer;
ash.cbSrcLength=sh_audio->a_in_buffer_len;
ash.pbDst=a_buffer;
ash.cbDstLength=len;
hr=acmStreamPrepareHeader(sh_audio->srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamPrepareHeader error %d\n",(int)hr);
return -1;
}
hr=acmStreamConvert(sh_audio->srcstream,&ash,0);
if(hr){
if(verbose>=2) printf("ACM_Decoder: acmStreamConvert error %d\n",(int)hr);
// return -1;
}
if(verbose>1)
printf("acm converted %d -> %d\n",ash.cbSrcLengthUsed,ash.cbDstLengthUsed);
if(ash.cbSrcLengthUsed>=sh_audio->a_in_buffer_len){
sh_audio->a_in_buffer_len=0;
} else {
sh_audio->a_in_buffer_len-=ash.cbSrcLengthUsed;
memcpy(sh_audio->a_in_buffer,&sh_audio->a_in_buffer[ash.cbSrcLengthUsed],sh_audio->a_in_buffer_len);
}
len=ash.cbDstLengthUsed;
hr=acmStreamUnprepareHeader(sh_audio->srcstream,&ash,0);
if(hr){
printf("ACM_Decoder: acmStreamUnprepareHeader error %d\n",(int)hr);
}
return len;
}
int init_video_codec(sh_video_t *sh_video,int ex){
HRESULT ret;
int yuv=0;
unsigned int outfmt=sh_video->codec->outfmt[sh_video->outfmtidx];
if(verbose) printf("======= Win32 (VFW) VIDEO Codec init =======\n");
memset(&sh_video->o_bih, 0, sizeof(BITMAPINFOHEADER));
sh_video->o_bih.biSize = sizeof(BITMAPINFOHEADER);
win32_codec_name = sh_video->codec->dll;
// sh_video->hic = ICOpen( 0x63646976, sh_video->bih->biCompression, ICMODE_FASTDECOMPRESS);
sh_video->hic = ICOpen( 0x63646976, sh_video->bih->biCompression, ICMODE_DECOMPRESS);
if(!sh_video->hic){
printf("ICOpen failed! unknown codec / wrong parameters?\n");
return 0;
}
// sh_video->bih.biBitCount=32;
ret = ICDecompressGetFormat(sh_video->hic, sh_video->bih, &sh_video->o_bih);
if(ret){
printf("ICDecompressGetFormat failed: Error %d\n", (int)ret);
return 0;
}
if(verbose) printf("ICDecompressGetFormat OK\n");
// printf("ICM_DECOMPRESS_QUERY=0x%X",ICM_DECOMPRESS_QUERY);
// sh_video->o_bih.biWidth=sh_video->bih.biWidth;
// sh_video->o_bih.biCompression = 0x32315659; // mmioFOURCC('U','Y','V','Y');
// ret=ICDecompressGetFormatSize(sh_video->hic,&sh_video->o_bih);
// sh_video->o_bih.biCompression = 3; //0x32315659;
// sh_video->o_bih.biCompression = mmioFOURCC('U','Y','V','Y');
// sh_video->o_bih.biCompression = mmioFOURCC('U','Y','V','Y');
// sh_video->o_bih.biCompression = mmioFOURCC('Y','U','Y','2');
// sh_video->o_bih.biPlanes=3;
// sh_video->o_bih.biBitCount=16;
#if 0
// workaround for pegasus MJPEG:
if(!sh_video->o_bih.biWidth) sh_video->o_bih.biWidth=sh_video->bih->biWidth;
if(!sh_video->o_bih.biHeight) sh_video->o_bih.biHeight=sh_video->bih->biHeight;
if(!sh_video->o_bih.biPlanes) sh_video->o_bih.biPlanes=sh_video->bih->biPlanes;
#endif
switch (outfmt) {
/* planar format */
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
sh_video->o_bih.biBitCount=12;
yuv=1;
break;
/* packed format */
case IMGFMT_YUY2:
case IMGFMT_UYVY:
case IMGFMT_YVYU:
sh_video->o_bih.biBitCount=16;
yuv=1;
break;
/* rgb/bgr format */
case IMGFMT_RGB8:
case IMGFMT_BGR8:
sh_video->o_bih.biBitCount=8;
break;
case IMGFMT_RGB15:
case IMGFMT_RGB16:
case IMGFMT_BGR15:
case IMGFMT_BGR16:
sh_video->o_bih.biBitCount=16;
break;
case IMGFMT_RGB24:
case IMGFMT_BGR24:
sh_video->o_bih.biBitCount=24;
break;
case IMGFMT_RGB32:
case IMGFMT_BGR32:
sh_video->o_bih.biBitCount=32;
break;
default:
printf("unsupported image format: 0x%x\n", outfmt);
return 0;
}
sh_video->o_bih.biSizeImage = sh_video->o_bih.biWidth * sh_video->o_bih.biHeight * (sh_video->o_bih.biBitCount/8);
if(!(sh_video->codec->outflags[sh_video->outfmtidx]&CODECS_FLAG_FLIP)) {
sh_video->o_bih.biHeight=-sh_video->bih->biHeight; // flip image!
}
if(yuv && !(sh_video->codec->outflags[sh_video->outfmtidx] & CODECS_FLAG_YUVHACK))
sh_video->o_bih.biCompression = outfmt;
else
sh_video->o_bih.biCompression = 0;
if(verbose) {
printf("Starting decompression, format:\n");
printf(" biSize %ld\n", sh_video->bih->biSize);
printf(" biWidth %ld\n", sh_video->bih->biWidth);
printf(" biHeight %ld\n", sh_video->bih->biHeight);
printf(" biPlanes %d\n", sh_video->bih->biPlanes);
printf(" biBitCount %d\n", sh_video->bih->biBitCount);
printf(" biCompression 0x%lx ('%.4s')\n", sh_video->bih->biCompression, (char *)&sh_video->bih->biCompression);
printf(" biSizeImage %ld\n", sh_video->bih->biSizeImage);
printf("Dest fmt:\n");
printf(" biSize %ld\n", sh_video->o_bih.biSize);
printf(" biWidth %ld\n", sh_video->o_bih.biWidth);
printf(" biHeight %ld\n", sh_video->o_bih.biHeight);
printf(" biPlanes %d\n", sh_video->o_bih.biPlanes);
printf(" biBitCount %d\n", sh_video->o_bih.biBitCount);
printf(" biCompression 0x%lx ('%.4s')\n", sh_video->o_bih.biCompression, (char *)&sh_video->o_bih.biCompression);
printf(" biSizeImage %ld\n", sh_video->o_bih.biSizeImage);
}
ret = ex ?
ICDecompressQueryEx(sh_video->hic, sh_video->bih, &sh_video->o_bih) :
ICDecompressQuery(sh_video->hic, sh_video->bih, &sh_video->o_bih);
if(ret){
printf("ICDecompressQuery failed: Error %d\n", (int)ret);
return 0;
}
if(verbose) printf("ICDecompressQuery OK\n");
ret = ex ?
ICDecompressBeginEx(sh_video->hic, sh_video->bih, &sh_video->o_bih) :
ICDecompressBegin(sh_video->hic, sh_video->bih, &sh_video->o_bih);
if(ret){
printf("ICDecompressBegin failed: Error %d\n", (int)ret);
return 0;
}
sh_video->our_out_buffer = shmem_alloc(sh_video->o_bih.biSizeImage);
if(!sh_video->our_out_buffer){
printf("not enough memory for decoded picture buffer (%ld bytes)\n", sh_video->o_bih.biSizeImage);
return 0;
}
if(yuv && sh_video->codec->outflags[sh_video->outfmtidx] & CODECS_FLAG_YUVHACK)
sh_video->o_bih.biCompression = outfmt;
// avi_header.our_in_buffer=malloc(avi_header.video.dwSuggestedBufferSize); // FIXME!!!!
if(verbose) printf("VIDEO CODEC Init OK!!! ;-)\n");
return 1;
}
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