mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 10:32:15 +00:00
00323c06e2
Remove the help/ subdirectory, configure code to create toplevel help_mp.h, and all the '#include "help_mp.h"' lines from .c files.
115 lines
3.7 KiB
C
115 lines
3.7 KiB
C
/*
|
|
* This file is part of MPlayer.
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* MPlayer is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
|
|
#include "ad_internal.h"
|
|
|
|
static const ad_info_t info =
|
|
{
|
|
"Win32/DirectShow decoders",
|
|
"dshow",
|
|
"Nick Kurshev",
|
|
"avifile.sf.net",
|
|
""
|
|
};
|
|
|
|
LIBAD_EXTERN(dshow)
|
|
|
|
#include "loader/dshow/DS_AudioDecoder.h"
|
|
|
|
static int init(sh_audio_t *sh)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static int preinit(sh_audio_t *sh_audio)
|
|
{
|
|
DS_AudioDecoder* ds_adec;
|
|
if(!(ds_adec=DS_AudioDecoder_Open(sh_audio->codec->dll,&sh_audio->codec->guid,sh_audio->wf)))
|
|
{
|
|
mp_tmsg(MSGT_DECAUDIO,MSGL_ERR,"ERROR: Could not open required DirectShow codec %s.\n",sh_audio->codec->dll);
|
|
return 0;
|
|
}
|
|
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
|
|
sh_audio->channels=sh_audio->wf->nChannels;
|
|
sh_audio->samplerate=sh_audio->wf->nSamplesPerSec;
|
|
sh_audio->samplesize=2;
|
|
sh_audio->audio_in_minsize=2*sh_audio->wf->nBlockAlign;
|
|
if(sh_audio->audio_in_minsize<8192) sh_audio->audio_in_minsize=8192;
|
|
sh_audio->audio_out_minsize=16384;
|
|
sh_audio->context = ds_adec;
|
|
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/DShow audio codec init OK!\n");
|
|
return 1;
|
|
}
|
|
|
|
static void uninit(sh_audio_t *sh)
|
|
{
|
|
DS_AudioDecoder* ds_adec = sh->context;
|
|
DS_AudioDecoder_Destroy(ds_adec);
|
|
}
|
|
|
|
static int control(sh_audio_t *sh_audio,int cmd,void* arg, ...)
|
|
{
|
|
int skip;
|
|
switch(cmd)
|
|
{
|
|
case ADCTRL_SKIP_FRAME:
|
|
skip=sh_audio->wf->nBlockAlign;
|
|
if(skip<16){
|
|
skip=(sh_audio->wf->nAvgBytesPerSec/16)&(~7);
|
|
if(skip<16) skip=16;
|
|
}
|
|
demux_read_data(sh_audio->ds,NULL,skip);
|
|
return CONTROL_TRUE;
|
|
}
|
|
return CONTROL_UNKNOWN;
|
|
}
|
|
|
|
static int decode_audio(sh_audio_t *sh_audio,unsigned char *buf,int minlen,int maxlen)
|
|
{
|
|
DS_AudioDecoder* ds_adec = sh_audio->context;
|
|
// int len=-1;
|
|
int size_in=0;
|
|
int size_out=0;
|
|
int srcsize=DS_AudioDecoder_GetSrcSize(ds_adec, maxlen);
|
|
mp_msg(MSGT_DECAUDIO,MSGL_DBG3,"DShow says: srcsize=%d (buffsize=%d) out_size=%d\n",srcsize,sh_audio->a_in_buffer_size,maxlen);
|
|
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);
|
|
}
|
|
DS_AudioDecoder_Convert(ds_adec, sh_audio->a_in_buffer,sh_audio->a_in_buffer_len,
|
|
buf,maxlen, &size_in,&size_out);
|
|
mp_dbg(MSGT_DECAUDIO,MSGL_DBG2,"DShow: audio %d -> %d converted (in_buf_len=%d of %d) %d\n",size_in,size_out,sh_audio->a_in_buffer_len,sh_audio->a_in_buffer_size,ds_tell_pts(sh_audio->ds));
|
|
if(size_in>=sh_audio->a_in_buffer_len){
|
|
sh_audio->a_in_buffer_len=0;
|
|
} else {
|
|
sh_audio->a_in_buffer_len-=size_in;
|
|
memcpy(sh_audio->a_in_buffer,&sh_audio->a_in_buffer[size_in],sh_audio->a_in_buffer_len);
|
|
}
|
|
// len=size_out;
|
|
return size_out;
|
|
}
|