mirror of
https://github.com/mpv-player/mpv
synced 2024-12-29 10:32:15 +00:00
f859d013a8
based on patch by Dominik Mierzejewski <dominik@rangers.eu.org> git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8124 b3059339-0415-0410-9bf9-f77b7e298cf2
239 lines
6.9 KiB
C
239 lines
6.9 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "config.h"
|
|
#include "mp_msg.h"
|
|
#include "help_mp.h"
|
|
|
|
#ifdef USE_WIN32DLL
|
|
|
|
#include "wineacm.h"
|
|
|
|
#include "ad_internal.h"
|
|
|
|
static ad_info_t info =
|
|
{
|
|
"Win32/ACM decoders",
|
|
"acm",
|
|
"A'rpi",
|
|
"A'rpi & Alex",
|
|
""
|
|
};
|
|
|
|
LIBAD_EXTERN(acm)
|
|
|
|
typedef struct {
|
|
WAVEFORMATEX *o_wf;
|
|
HACMSTREAM handle;
|
|
} acm_context_t;
|
|
|
|
static int init(sh_audio_t *sh_audio)
|
|
{
|
|
int ret=decode_audio(sh_audio,sh_audio->a_buffer,4096,sh_audio->a_buffer_size);
|
|
if(ret<0){
|
|
mp_msg(MSGT_DECAUDIO,MSGL_INFO,"ACM decoding error: %d\n",ret);
|
|
return 0;
|
|
}
|
|
sh_audio->a_buffer_len=ret;
|
|
return 1;
|
|
}
|
|
|
|
extern void print_wave_header(WAVEFORMATEX *h);
|
|
|
|
static int preinit(sh_audio_t *sh_audio)
|
|
{
|
|
HRESULT ret;
|
|
WAVEFORMATEX *in_fmt = sh_audio->wf;
|
|
DWORD srcsize = 0;
|
|
acm_context_t *priv;
|
|
|
|
priv = malloc(sizeof(acm_context_t));
|
|
if (!priv)
|
|
return 0;
|
|
sh_audio->context = priv;
|
|
|
|
mp_msg(MSGT_WIN32, MSGL_V, "======= Win32 (ACM) AUDIO Codec init =======\n");
|
|
|
|
// priv->handle = NULL;
|
|
|
|
priv->o_wf = malloc(sizeof(WAVEFORMATEX));
|
|
if (!priv->o_wf)
|
|
{
|
|
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ACMiniterror);
|
|
return 0;
|
|
}
|
|
|
|
priv->o_wf->nChannels = in_fmt->nChannels;
|
|
priv->o_wf->nSamplesPerSec = in_fmt->nSamplesPerSec;
|
|
priv->o_wf->nAvgBytesPerSec = 2*in_fmt->nSamplesPerSec*in_fmt->nChannels;
|
|
priv->o_wf->wFormatTag = WAVE_FORMAT_PCM;
|
|
priv->o_wf->nBlockAlign = 2*in_fmt->nChannels;
|
|
priv->o_wf->wBitsPerSample = 16;
|
|
// priv->o_wf->wBitsPerSample = inf_fmt->wBitsPerSample;
|
|
priv->o_wf->cbSize = 0;
|
|
|
|
if (verbose>0)
|
|
{
|
|
mp_msg(MSGT_DECAUDIO, MSGL_V, "Input format:\n");
|
|
print_wave_header(in_fmt);
|
|
mp_msg(MSGT_DECAUDIO, MSGL_V, "Output format:\n");
|
|
print_wave_header(priv->o_wf);
|
|
}
|
|
|
|
MSACM_RegisterDriver((const char *)sh_audio->codec->dll, in_fmt->wFormatTag, 0);
|
|
ret = acmStreamOpen(&priv->handle, (HACMDRIVER)NULL, in_fmt,
|
|
priv->o_wf, NULL, 0, 0, 0);
|
|
if (ret)
|
|
{
|
|
if (ret == ACMERR_NOTPOSSIBLE)
|
|
mp_msg(MSGT_WIN32, MSGL_ERR, "ACM_Decoder: Unappropriate audio format\n");
|
|
else
|
|
mp_msg(MSGT_WIN32, MSGL_ERR, "ACM_Decoder: acmStreamOpen error: %d\n",
|
|
(int)ret);
|
|
mp_msg(MSGT_DECAUDIO,MSGL_ERR,MSGTR_ACMiniterror);
|
|
return 0;
|
|
}
|
|
mp_msg(MSGT_WIN32, MSGL_V, "Audio codec opened OK! ;-)\n");
|
|
|
|
acmStreamSize(priv->handle, 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)
|
|
{
|
|
mp_msg(MSGT_WIN32, MSGL_WARN, "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
|
|
mp_msg(MSGT_WIN32,MSGL_V,"Audio ACM output buffer min. size: %ld\n",srcsize);
|
|
|
|
acmStreamSize(priv->handle, srcsize, &srcsize, ACM_STREAMSIZEF_DESTINATION);
|
|
// if(srcsize<in_fmt->nBlockAlign) srcsize=in_fmt->nBlockAlign;
|
|
|
|
mp_msg(MSGT_WIN32,MSGL_V,"Audio ACM input buffer min. size: %ld\n",srcsize);
|
|
|
|
sh_audio->audio_in_minsize=2*srcsize; // audio input min. size
|
|
|
|
sh_audio->i_bps=sh_audio->wf->nAvgBytesPerSec;
|
|
sh_audio->channels=priv->o_wf->nChannels;
|
|
sh_audio->samplerate=priv->o_wf->nSamplesPerSec;
|
|
|
|
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32/ACM audio codec init OK!\n");
|
|
return 1;
|
|
}
|
|
|
|
static void uninit(sh_audio_t *sh)
|
|
{
|
|
HRESULT ret;
|
|
acm_context_t *priv = sh->context;
|
|
|
|
ret = acmStreamClose(priv->handle, 0);
|
|
|
|
if (ret)
|
|
switch(ret)
|
|
{
|
|
case ACMERR_BUSY:
|
|
case ACMERR_CANCELED:
|
|
mp_msg(MSGT_WIN32, MSGL_DBG2, "ACM_Decoder: stream busy, waiting..\n");
|
|
sleep(100);
|
|
return(uninit(sh));
|
|
case ACMERR_UNPREPARED:
|
|
case ACMERR_NOTPOSSIBLE:
|
|
return;
|
|
default:
|
|
mp_msg(MSGT_WIN32, MSGL_WARN, "ACM_Decoder: unknown error occured: %d\n", ret);
|
|
return;
|
|
}
|
|
|
|
MSACM_UnregisterAllDrivers();
|
|
|
|
free(priv->o_wf);
|
|
free(priv);
|
|
}
|
|
|
|
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)
|
|
{
|
|
ACMSTREAMHEADER ash;
|
|
HRESULT hr;
|
|
DWORD srcsize=0;
|
|
DWORD len=minlen;
|
|
acm_context_t *priv = sh_audio->context;
|
|
|
|
acmStreamSize(priv->handle, len, &srcsize, ACM_STREAMSIZEF_DESTINATION);
|
|
mp_msg(MSGT_WIN32,MSGL_DBG3,"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(priv->handle, 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);
|
|
}
|
|
mp_msg(MSGT_WIN32,MSGL_DBG3,"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=buf;
|
|
ash.cbDstLength=len;
|
|
hr=acmStreamPrepareHeader(priv->handle,&ash,0);
|
|
if(hr){
|
|
mp_msg(MSGT_WIN32,MSGL_V,"ACM_Decoder: acmStreamPrepareHeader error %d\n",(int)hr);
|
|
return -1;
|
|
}
|
|
hr=acmStreamConvert(priv->handle,&ash,0);
|
|
if(hr){
|
|
mp_msg(MSGT_WIN32,MSGL_DBG2,"ACM_Decoder: acmStreamConvert error %d\n",(int)hr);
|
|
switch(hr)
|
|
{
|
|
case ACMERR_NOTPOSSIBLE:
|
|
case ACMERR_UNPREPARED:
|
|
mp_msg(MSGT_WIN32, MSGL_DBG2, "ACM_Decoder: acmStreamConvert error: probarly not initialized!\n");
|
|
}
|
|
// return -1;
|
|
}
|
|
mp_msg(MSGT_WIN32,MSGL_DBG2,"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(priv->handle,&ash,0);
|
|
if(hr){
|
|
mp_msg(MSGT_WIN32,MSGL_V,"ACM_Decoder: acmStreamUnprepareHeader error %d\n",(int)hr);
|
|
}
|
|
return len;
|
|
}
|
|
#endif
|