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vlc/modules/codec/dmo/dmo.c

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/*****************************************************************************
* dmo.c : DirectMedia Object decoder module for vlc
*****************************************************************************
* Copyright (C) 2002, 2003 the VideoLAN team
* $Id$
*
* Author: Gildas Bazin <gbazin@videolan.org>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <vlc/vlc.h>
#include <vlc/decoder.h>
#include <vlc/vout.h>
#ifndef WIN32
# define LOADER
#else
# include <objbase.h>
#endif
#ifdef LOADER
/* Need the w32dll loader from mplayer */
# include <wine/winerror.h>
# include <ldt_keeper.h>
# include <wine/windef.h>
#endif
#include "codecs.h"
#include "dmo.h"
//#define DMO_DEBUG 1
#ifdef LOADER
/* Not Needed */
long CoInitialize( void *pvReserved ) { return -1; }
void CoUninitialize( void ) { }
/* A few prototypes */
HMODULE WINAPI LoadLibraryA(LPCSTR);
#define LoadLibrary LoadLibraryA
FARPROC WINAPI GetProcAddress(HMODULE,LPCSTR);
int WINAPI FreeLibrary(HMODULE);
#endif /* LOADER */
typedef long (STDCALL *GETCLASS) ( const GUID*, const GUID*, void** );
static int pi_channels_maps[7] =
{
0,
AOUT_CHAN_CENTER,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
| AOUT_CHAN_REARRIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
};
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int DecoderOpen ( vlc_object_t * );
static int DecOpen ( vlc_object_t * );
static void DecoderClose ( vlc_object_t * );
static void *DecodeBlock ( decoder_t *, block_t ** );
static int EncoderOpen ( vlc_object_t * );
static int EncOpen ( vlc_object_t * );
static void EncoderClose ( vlc_object_t * );
static block_t *EncodeBlock( encoder_t *, void * );
static int LoadDMO( vlc_object_t *, HINSTANCE *, IMediaObject **,
es_format_t *, vlc_bool_t );
static void CopyPicture( decoder_t *, picture_t *, uint8_t * );
vlc_module_begin();
set_description( _("DirectMedia Object decoder") );
add_shortcut( "dmo" );
set_capability( "decoder", 1 );
set_callbacks( DecoderOpen, DecoderClose );
set_category( CAT_INPUT );
set_subcategory( SUBCAT_INPUT_SCODEC );
# define ENC_CFG_PREFIX "sout-dmo-"
add_submodule();
set_description( _("DirectMedia Object encoder") );
set_capability( "encoder", 10 );
set_callbacks( EncoderOpen, EncoderClose );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
/****************************************************************************
* Decoder descriptor declaration
****************************************************************************/
struct decoder_sys_t
{
HINSTANCE hmsdmo_dll;
IMediaObject *p_dmo;
int i_min_output;
uint8_t *p_buffer;
date_t end_date;
#ifdef LOADER
ldt_fs_t *ldt_fs;
#endif
};
static const GUID guid_wmv9 = { 0x724bb6a4, 0xe526, 0x450f, { 0xaf, 0xfa, 0xab, 0x9b, 0x45, 0x12, 0x91, 0x11 } };
static const GUID guid_wma9 = { 0x27ca0808, 0x01f5, 0x4e7a, { 0x8b, 0x05, 0x87, 0xf8, 0x07, 0xa2, 0x33, 0xd1 } };
static const GUID guid_wmv = { 0x82d353df, 0x90bd, 0x4382, { 0x8b, 0xc2, 0x3f, 0x61, 0x92, 0xb7, 0x6e, 0x34 } };
static const GUID guid_wma = { 0x874131cb, 0x4ecc, 0x443b, { 0x89, 0x48, 0x74, 0x6b, 0x89, 0x59, 0x5d, 0x20 } };
static const GUID guid_wmv_enc = { 0x3181343b, 0x94a2, 0x4feb, { 0xad, 0xef, 0x30, 0xa1, 0xdd, 0xe6, 0x17, 0xb4 } };
static const GUID guid_wma_enc = { 0x70f598e9, 0xf4ab, 0x495a, { 0x99, 0xe2, 0xa7, 0xc4, 0xd3, 0xd8, 0x9a, 0xbf } };
typedef struct
{
vlc_fourcc_t i_fourcc;
const char *psz_dll;
const GUID *p_guid;
} codec_dll;
static const codec_dll decoders_table[] =
{
/* WM3 */
{ VLC_FOURCC('W','M','V','3'), "wmv9dmod.dll", &guid_wmv9 },
{ VLC_FOURCC('w','m','v','3'), "wmv9dmod.dll", &guid_wmv9 },
/* WMV2 */
{ VLC_FOURCC('W','M','V','2'), "wmvdmod.dll", &guid_wmv },
{ VLC_FOURCC('w','m','v','2'), "wmvdmod.dll", &guid_wmv },
/* WMV1 */
{ VLC_FOURCC('W','M','V','1'), "wmvdmod.dll", &guid_wmv },
{ VLC_FOURCC('w','m','v','1'), "wmvdmod.dll", &guid_wmv },
/* WMA 3 */
{ VLC_FOURCC('W','M','A','3'), "wma9dmod.dll", &guid_wma9 },
{ VLC_FOURCC('w','m','a','3'), "wma9dmod.dll", &guid_wma9 },
{ VLC_FOURCC('w','m','a','p'), "wma9dmod.dll", &guid_wma9 },
/* WMA 2 */
{ VLC_FOURCC('W','M','A','2'), "wma9dmod.dll", &guid_wma9 },
{ VLC_FOURCC('w','m','a','2'), "wma9dmod.dll", &guid_wma9 },
/* */
{ 0, NULL, NULL }
};
static const codec_dll encoders_table[] =
{
/* WMV2 */
{ VLC_FOURCC('W','M','V','2'), "wmvdmoe.dll", &guid_wmv_enc },
{ VLC_FOURCC('w','m','v','1'), "wmvdmoe.dll", &guid_wmv_enc },
/* WMV1 */
{ VLC_FOURCC('W','M','V','1'), "wmvdmoe.dll", &guid_wmv_enc },
{ VLC_FOURCC('w','m','v','1'), "wmvdmoe.dll", &guid_wmv_enc },
/* WMA 3 */
{ VLC_FOURCC('W','M','A','3'), "wmadmoe.dll", &guid_wma_enc },
{ VLC_FOURCC('w','m','a','3'), "wmadmoe.dll", &guid_wma_enc },
/* WMA 2 */
{ VLC_FOURCC('W','M','A','2'), "wmadmoe.dll", &guid_wma_enc },
{ VLC_FOURCC('w','m','a','2'), "wmadmoe.dll", &guid_wma_enc },
/* */
{ 0, NULL, NULL }
};
static void WINAPI DMOFreeMediaType( DMO_MEDIA_TYPE *mt )
{
if( mt->cbFormat != 0 ) CoTaskMemFree( (PVOID)mt->pbFormat );
if( mt->pUnk != NULL ) mt->pUnk->vt->Release( (IUnknown *)mt->pUnk );
mt->cbFormat = 0;
mt->pbFormat = NULL;
mt->pUnk = NULL;
}
/*****************************************************************************
* DecoderOpen: open dmo codec
*****************************************************************************/
static int DecoderOpen( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
#ifndef LOADER
int i_ret = DecOpen( p_this );
if( i_ret != VLC_SUCCESS ) return i_ret;
#else
/* We can't open it now, because of ldt_keeper or something
* Open/Decode/Close has to be done in the same thread */
int i;
p_dec->p_sys = NULL;
/* Probe if we support it */
for( i = 0; decoders_table[i].i_fourcc != 0; i++ )
{
if( decoders_table[i].i_fourcc == p_dec->fmt_in.i_codec )
{
msg_Dbg( p_dec, "DMO codec for %4.4s may work with dll=%s",
(char*)&p_dec->fmt_in.i_codec,
decoders_table[i].psz_dll );
break;
}
}
p_dec->p_sys = NULL;
if( !decoders_table[i].i_fourcc ) return VLC_EGENERIC;
#endif /* LOADER */
/* Set callbacks */
p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
DecodeBlock;
p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
DecodeBlock;
return VLC_SUCCESS;
}
/*****************************************************************************
* DecOpen: open dmo codec
*****************************************************************************/
static int DecOpen( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys = NULL;
DMO_MEDIA_TYPE dmo_input_type, dmo_output_type;
IMediaObject *p_dmo = NULL;
HINSTANCE hmsdmo_dll = NULL;
VIDEOINFOHEADER *p_vih = NULL;
WAVEFORMATEX *p_wf = NULL;
#ifdef LOADER
ldt_fs_t *ldt_fs = Setup_LDT_Keeper();
#else
/* Initialize OLE/COM */
CoInitialize( 0 );
#endif /* LOADER */
if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_dec->fmt_in, VLC_FALSE )
!= VLC_SUCCESS )
{
hmsdmo_dll = 0;
p_dmo = 0;
goto error;
}
/* Setup input format */
memset( &dmo_input_type, 0, sizeof(dmo_input_type) );
dmo_input_type.pUnk = 0;
if( p_dec->fmt_in.i_cat == AUDIO_ES )
{
uint16_t i_tag;
int i_size = sizeof(WAVEFORMATEX) + p_dec->fmt_in.i_extra;
p_wf = malloc( i_size );
memset( p_wf, 0, sizeof(WAVEFORMATEX) );
if( p_dec->fmt_in.i_extra )
memcpy( &p_wf[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
dmo_input_type.majortype = MEDIATYPE_Audio;
dmo_input_type.subtype = dmo_input_type.majortype;
dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_codec;
fourcc_to_wf_tag( p_dec->fmt_in.i_codec, &i_tag );
if( i_tag ) dmo_input_type.subtype.Data1 = i_tag;
p_wf->wFormatTag = dmo_input_type.subtype.Data1;
p_wf->nSamplesPerSec = p_dec->fmt_in.audio.i_rate;
p_wf->nChannels = p_dec->fmt_in.audio.i_channels;
p_wf->wBitsPerSample = p_dec->fmt_in.audio.i_bitspersample;
p_wf->nBlockAlign = p_dec->fmt_in.audio.i_blockalign;
p_wf->nAvgBytesPerSec = p_dec->fmt_in.i_bitrate / 8;
p_wf->cbSize = p_dec->fmt_in.i_extra;
dmo_input_type.formattype = FORMAT_WaveFormatEx;
dmo_input_type.cbFormat = i_size;
dmo_input_type.pbFormat = (char *)p_wf;
dmo_input_type.bFixedSizeSamples = 1;
dmo_input_type.bTemporalCompression = 0;
dmo_input_type.lSampleSize = p_wf->nBlockAlign;
}
else
{
BITMAPINFOHEADER *p_bih;
int i_size = sizeof(VIDEOINFOHEADER) + p_dec->fmt_in.i_extra;
p_vih = malloc( i_size );
memset( p_vih, 0, sizeof(VIDEOINFOHEADER) );
if( p_dec->fmt_in.i_extra )
memcpy( &p_vih[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
p_bih = &p_vih->bmiHeader;
p_bih->biCompression = p_dec->fmt_in.i_codec;
p_bih->biWidth = p_dec->fmt_in.video.i_width;
p_bih->biHeight = p_dec->fmt_in.video.i_height;
p_bih->biBitCount = p_dec->fmt_in.video.i_bits_per_pixel;
p_bih->biPlanes = 1;
p_bih->biSize = i_size - sizeof(VIDEOINFOHEADER) +
sizeof(BITMAPINFOHEADER);
p_vih->rcSource.left = p_vih->rcSource.top = 0;
p_vih->rcSource.right = p_dec->fmt_in.video.i_width;
p_vih->rcSource.bottom = p_dec->fmt_in.video.i_height;
p_vih->rcTarget = p_vih->rcSource;
dmo_input_type.majortype = MEDIATYPE_Video;
dmo_input_type.subtype = dmo_input_type.majortype;
dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_codec;
dmo_input_type.formattype = FORMAT_VideoInfo;
dmo_input_type.bFixedSizeSamples = 0;
dmo_input_type.bTemporalCompression = 1;
dmo_input_type.cbFormat = i_size;
dmo_input_type.pbFormat = (char *)p_vih;
}
if( p_dmo->vt->SetInputType( p_dmo, 0, &dmo_input_type, 0 ) )
{
msg_Err( p_dec, "can't set DMO input type" );
goto error;
}
msg_Dbg( p_dec, "DMO input type set" );
/* Setup output format */
memset( &dmo_output_type, 0, sizeof(dmo_output_type) );
dmo_output_type.pUnk = 0;
if( p_dec->fmt_in.i_cat == AUDIO_ES )
{
/* Setup the format */
p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE;
p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate;
p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels;
p_dec->fmt_out.audio.i_bitspersample = 16;//p_dec->fmt_in.audio.i_bitspersample; We request 16
p_dec->fmt_out.audio.i_physical_channels =
p_dec->fmt_out.audio.i_original_channels =
pi_channels_maps[p_dec->fmt_out.audio.i_channels];
p_wf->wFormatTag = WAVE_FORMAT_PCM;
p_wf->nSamplesPerSec = p_dec->fmt_out.audio.i_rate;
p_wf->nChannels = p_dec->fmt_out.audio.i_channels;
p_wf->wBitsPerSample = p_dec->fmt_out.audio.i_bitspersample;
p_wf->nBlockAlign =
p_wf->wBitsPerSample / 8 * p_wf->nChannels;
p_wf->nAvgBytesPerSec =
p_wf->nSamplesPerSec * p_wf->nBlockAlign;
p_wf->cbSize = 0;
dmo_output_type.majortype = MEDIATYPE_Audio;
dmo_output_type.formattype = FORMAT_WaveFormatEx;
dmo_output_type.subtype = MEDIASUBTYPE_PCM;
dmo_output_type.cbFormat = sizeof(WAVEFORMATEX);
dmo_output_type.pbFormat = (char *)p_wf;
dmo_output_type.bFixedSizeSamples = 1;
dmo_output_type.bTemporalCompression = 0;
dmo_output_type.lSampleSize = p_wf->nBlockAlign;
}
else
{
BITMAPINFOHEADER *p_bih;
DMO_MEDIA_TYPE mt;
unsigned i_chroma = VLC_FOURCC('Y','U','Y','2');
int i_planes = 1, i_bpp = 16;
int i = 0;
/* Find out which chroma to use */
while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
{
if( mt.subtype.Data1 == VLC_FOURCC('Y','V','1','2') )
{
i_chroma = mt.subtype.Data1;
i_planes = 3; i_bpp = 12;
}
DMOFreeMediaType( &mt );
}
p_dec->fmt_out.i_codec = i_chroma == VLC_FOURCC('Y','V','1','2') ?
VLC_FOURCC('I','4','2','0') : i_chroma;
p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
p_dec->fmt_out.video.i_height = p_dec->fmt_in.video.i_height;
p_dec->fmt_out.video.i_bits_per_pixel = i_bpp;
p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR *
p_dec->fmt_out.video.i_width / p_dec->fmt_out.video.i_height;
p_bih = &p_vih->bmiHeader;
p_bih->biCompression = i_chroma;
p_bih->biHeight *= -1;
p_bih->biBitCount = p_dec->fmt_out.video.i_bits_per_pixel;
p_bih->biSizeImage = p_dec->fmt_in.video.i_width *
p_dec->fmt_in.video.i_height *
(p_dec->fmt_in.video.i_bits_per_pixel + 7) / 8;
p_bih->biPlanes = i_planes;
p_bih->biSize = sizeof(BITMAPINFOHEADER);
dmo_output_type.majortype = MEDIATYPE_Video;
dmo_output_type.formattype = FORMAT_VideoInfo;
dmo_output_type.subtype = dmo_output_type.majortype;
dmo_output_type.subtype.Data1 = p_bih->biCompression;
dmo_output_type.bFixedSizeSamples = VLC_TRUE;
dmo_output_type.bTemporalCompression = 0;
dmo_output_type.lSampleSize = p_bih->biSizeImage;
dmo_output_type.cbFormat = sizeof(VIDEOINFOHEADER);
dmo_output_type.pbFormat = (char *)p_vih;
}
#ifdef DMO_DEBUG
/* Enumerate output types */
if( p_dec->fmt_in.i_cat == VIDEO_ES )
{
int i = 0;
DMO_MEDIA_TYPE mt;
while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
{
msg_Dbg( p_dec, "available output chroma: %4.4s",
(char *)&mt.subtype.Data1 );
DMOFreeMediaType( &mt );
}
}
#endif
if( p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_output_type, 0 ) )
{
msg_Err( p_dec, "can't set DMO output type" );
goto error;
}
msg_Dbg( p_dec, "DMO output type set" );
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
{
msg_Err( p_dec, "out of memory" );
goto error;
}
p_sys->hmsdmo_dll = hmsdmo_dll;
p_sys->p_dmo = p_dmo;
#ifdef LOADER
p_sys->ldt_fs = ldt_fs;
#endif
/* Find out some properties of the output */
{
uint32_t i_size, i_align;
p_sys->i_min_output = 0;
if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
{
msg_Err( p_dec, "GetOutputSizeInfo() failed" );
goto error;
}
else
{
msg_Dbg( p_dec, "GetOutputSizeInfo(): bytes %i, align %i",
i_size, i_align );
p_sys->i_min_output = i_size;
p_sys->p_buffer = malloc( i_size );
if( !p_sys->p_buffer ) goto error;
}
}
/* Set output properties */
p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
if( p_dec->fmt_out.i_cat == AUDIO_ES )
date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 );
else
date_Init( &p_sys->end_date, 25 /* FIXME */, 1 );
if( p_vih ) free( p_vih );
if( p_wf ) free( p_wf );
return VLC_SUCCESS;
error:
if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo );
if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll );
#ifdef LOADER
Restore_LDT_Keeper( ldt_fs );
#else
/* Uninitialize OLE/COM */
CoUninitialize();
#endif /* LOADER */
if( p_vih ) free( p_vih );
if( p_wf ) free( p_wf );
if( p_sys ) free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* LoadDMO: Load the DMO object
*****************************************************************************/
static int LoadDMO( vlc_object_t *p_this, HINSTANCE *p_hmsdmo_dll,
IMediaObject **pp_dmo, es_format_t *p_fmt,
vlc_bool_t b_out )
{
DMO_PARTIAL_MEDIATYPE dmo_partial_type;
int i_err;
#ifndef LOADER
long (STDCALL *OurDMOEnum)( const GUID *, uint32_t, uint32_t,
const DMO_PARTIAL_MEDIATYPE *,
uint32_t, const DMO_PARTIAL_MEDIATYPE *,
IEnumDMO ** );
IEnumDMO *p_enum_dmo = NULL;
WCHAR *psz_dmo_name;
GUID clsid_dmo;
uint32_t i_dummy;
#endif
GETCLASS GetClass;
IClassFactory *cFactory = NULL;
IUnknown *cObject = NULL;
const codec_dll *codecs_table = b_out ? encoders_table : decoders_table;
int i_codec;
/* Look for a DMO which can handle the requested codec */
if( p_fmt->i_cat == AUDIO_ES )
{
uint16_t i_tag;
dmo_partial_type.type = MEDIATYPE_Audio;
dmo_partial_type.subtype = dmo_partial_type.type;
dmo_partial_type.subtype.Data1 = p_fmt->i_codec;
fourcc_to_wf_tag( p_fmt->i_codec, &i_tag );
if( i_tag ) dmo_partial_type.subtype.Data1 = i_tag;
}
else
{
dmo_partial_type.type = MEDIATYPE_Video;
dmo_partial_type.subtype = dmo_partial_type.type;
dmo_partial_type.subtype.Data1 = p_fmt->i_codec;
}
#ifndef LOADER
/* Load msdmo DLL */
*p_hmsdmo_dll = LoadLibrary( "msdmo.dll" );
if( *p_hmsdmo_dll == NULL )
{
msg_Dbg( p_this, "failed loading msdmo.dll" );
return VLC_EGENERIC;
}
OurDMOEnum = (void *)GetProcAddress( *p_hmsdmo_dll, "DMOEnum" );
if( OurDMOEnum == NULL )
{
msg_Dbg( p_this, "GetProcAddress failed to find DMOEnum()" );
FreeLibrary( *p_hmsdmo_dll );
return VLC_EGENERIC;
}
if( !b_out )
{
i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
1, &dmo_partial_type, 0, NULL, &p_enum_dmo );
}
else
{
i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
0, NULL, 1, &dmo_partial_type, &p_enum_dmo );
}
if( i_err )
{
FreeLibrary( *p_hmsdmo_dll );
/* return VLC_EGENERIC; */
/* Try loading the dll directly */
goto loader;
}
/* Pickup the first available codec */
*pp_dmo = 0;
while( ( S_OK == p_enum_dmo->vt->Next( p_enum_dmo, 1, &clsid_dmo,
&psz_dmo_name, &i_dummy /* NULL doesn't work */ ) ) )
{
char psz_temp[MAX_PATH];
wcstombs( psz_temp, psz_dmo_name, MAX_PATH );
msg_Dbg( p_this, "found DMO: %s", psz_temp );
CoTaskMemFree( psz_dmo_name );
/* Create DMO */
if( CoCreateInstance( &clsid_dmo, NULL, CLSCTX_INPROC,
&IID_IMediaObject, (void **)pp_dmo ) )
{
msg_Warn( p_this, "can't create DMO: %s", psz_temp );
*pp_dmo = 0;
}
else break;
}
p_enum_dmo->vt->Release( (IUnknown *)p_enum_dmo );
if( !*pp_dmo )
{
FreeLibrary( *p_hmsdmo_dll );
/* return VLC_EGENERIC; */
/* Try loading the dll directly */
goto loader;
}
return VLC_SUCCESS;
loader:
#endif /* LOADER */
for( i_codec = 0; codecs_table[i_codec].i_fourcc != 0; i_codec++ )
{
if( codecs_table[i_codec].i_fourcc == p_fmt->i_codec )
break;
}
if( codecs_table[i_codec].i_fourcc == 0 )
return VLC_EGENERIC; /* Can't happen */
*p_hmsdmo_dll = LoadLibrary( codecs_table[i_codec].psz_dll );
if( *p_hmsdmo_dll == NULL )
{
msg_Dbg( p_this, "failed loading '%s'",
codecs_table[i_codec].psz_dll );
return VLC_EGENERIC;
}
GetClass = (GETCLASS)GetProcAddress( *p_hmsdmo_dll, "DllGetClassObject" );
if (!GetClass)
{
msg_Dbg( p_this, "GetProcAddress failed to find DllGetClassObject()" );
FreeLibrary( *p_hmsdmo_dll );
return VLC_EGENERIC;
}
i_err = GetClass( codecs_table[i_codec].p_guid, &IID_IClassFactory,
(void**)&cFactory );
if( i_err || cFactory == NULL )
{
msg_Dbg( p_this, "no such class object" );
FreeLibrary( *p_hmsdmo_dll );
return VLC_EGENERIC;
}
i_err = cFactory->vt->CreateInstance( cFactory, 0, &IID_IUnknown,
(void**)&cObject );
cFactory->vt->Release( (IUnknown*)cFactory );
if( i_err || !cObject )
{
msg_Dbg( p_this, "class factory failure" );
FreeLibrary( *p_hmsdmo_dll );
return VLC_EGENERIC;
}
i_err = cObject->vt->QueryInterface( cObject, &IID_IMediaObject,
(void**)pp_dmo );
cObject->vt->Release( (IUnknown*)cObject );
if( i_err || !*pp_dmo )
{
msg_Dbg( p_this, "QueryInterface failure" );
FreeLibrary( *p_hmsdmo_dll );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* DecoderClose: close codec
*****************************************************************************/
void DecoderClose( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
if( !p_sys ) return;
if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo );
FreeLibrary( p_sys->hmsdmo_dll );
#ifdef LOADER
#if 0
Restore_LDT_Keeper( p_sys->ldt_fs );
#endif
#else
/* Uninitialize OLE/COM */
CoUninitialize();
#endif
if( p_sys->p_buffer ) free( p_sys->p_buffer );
free( p_sys );
}
/****************************************************************************
* DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with ogg packets.
****************************************************************************/
static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
block_t *p_block;
int i_result;
DMO_OUTPUT_DATA_BUFFER db;
CMediaBuffer *p_out;
block_t block_out;
uint32_t i_status;
if( p_sys == NULL )
{
if( DecOpen( VLC_OBJECT(p_dec) ) )
{
msg_Err( p_dec, "DecOpen failed" );
return NULL;
}
p_sys = p_dec->p_sys;
}
if( !pp_block ) return NULL;
p_block = *pp_block;
/* Won't work with streams with B-frames, but do we have any ? */
if( p_block && p_block->i_pts <= 0 ) p_block->i_pts = p_block->i_dts;
/* Date management */
if( p_block && p_block->i_pts > 0 &&
p_block->i_pts != date_Get( &p_sys->end_date ) )
{
date_Set( &p_sys->end_date, p_block->i_pts );
}
#if 0 /* Breaks the video decoding */
if( !date_Get( &p_sys->end_date ) )
{
/* We've just started the stream, wait for the first PTS. */
if( p_block ) block_Release( p_block );
return NULL;
}
#endif
/* Feed input to the DMO */
if( p_block && p_block->i_buffer )
{
CMediaBuffer *p_in;
p_in = CMediaBufferCreate( p_block, p_block->i_buffer, VLC_TRUE );
i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
(IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_SYNCPOINT,
0, 0 );
p_in->vt->Release( (IUnknown *)p_in );
if( i_result == S_FALSE )
{
/* No output generated */
#ifdef DMO_DEBUG
msg_Dbg( p_dec, "ProcessInput(): no output generated" );
#endif
return NULL;
}
else if( i_result == (int)DMO_E_NOTACCEPTING )
{
/* Need to call ProcessOutput */
msg_Dbg( p_dec, "ProcessInput(): not accepting" );
}
else if( i_result != S_OK )
{
msg_Dbg( p_dec, "ProcessInput(): failed" );
return NULL;
}
else
{
//msg_Dbg( p_dec, "ProcessInput(): successful" );
*pp_block = 0;
}
}
else if( p_block && !p_block->i_buffer )
{
block_Release( p_block );
*pp_block = 0;
}
/* Get output from the DMO */
block_out.p_buffer = p_sys->p_buffer;
block_out.i_buffer = 0;
p_out = CMediaBufferCreate( &block_out, p_sys->i_min_output, VLC_FALSE );
memset( &db, 0, sizeof(db) );
db.pBuffer = (IMediaBuffer *)p_out;
i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER,
1, &db, &i_status );
if( i_result != S_OK )
{
if( i_result != S_FALSE )
msg_Dbg( p_dec, "ProcessOutput(): failed" );
#if DMO_DEBUG
else
msg_Dbg( p_dec, "ProcessOutput(): no output" );
#endif
p_out->vt->Release( (IUnknown *)p_out );
return NULL;
}
#if DMO_DEBUG
msg_Dbg( p_dec, "ProcessOutput(): success" );
#endif
if( !block_out.i_buffer )
{
#if DMO_DEBUG
msg_Dbg( p_dec, "ProcessOutput(): no output (i_buffer_out == 0)" );
#endif
p_out->vt->Release( (IUnknown *)p_out );
return NULL;
}
if( p_dec->fmt_out.i_cat == VIDEO_ES )
{
/* Get a new picture */
picture_t *p_pic = p_dec->pf_vout_buffer_new( p_dec );
if( !p_pic ) return NULL;
CopyPicture( p_dec, p_pic, block_out.p_buffer );
/* Date management */
p_pic->date = date_Get( &p_sys->end_date );
date_Increment( &p_sys->end_date, 1 );
p_out->vt->Release( (IUnknown *)p_out );
return p_pic;
}
else
{
aout_buffer_t *p_aout_buffer;
int i_samples = block_out.i_buffer /
( p_dec->fmt_out.audio.i_bitspersample *
p_dec->fmt_out.audio.i_channels / 8 );
p_aout_buffer = p_dec->pf_aout_buffer_new( p_dec, i_samples );
memcpy( p_aout_buffer->p_buffer,
block_out.p_buffer, block_out.i_buffer );
/* Date management */
p_aout_buffer->start_date = date_Get( &p_sys->end_date );
p_aout_buffer->end_date =
date_Increment( &p_sys->end_date, i_samples );
p_out->vt->Release( (IUnknown *)p_out );
return p_aout_buffer;
}
return NULL;
}
static void CopyPicture( decoder_t *p_dec, picture_t *p_pic, uint8_t *p_in )
{
int i_plane, i_line, i_width, i_dst_stride;
uint8_t *p_dst, *p_src = p_in;
p_dst = p_pic->p[1].p_pixels;
p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
p_pic->p[2].p_pixels = p_dst;
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
p_dst = p_pic->p[i_plane].p_pixels;
i_width = p_pic->p[i_plane].i_visible_pitch;
i_dst_stride = p_pic->p[i_plane].i_pitch;
for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ )
{
p_dec->p_vlc->pf_memcpy( p_dst, p_src, i_width );
p_src += i_width;
p_dst += i_dst_stride;
}
}
p_dst = p_pic->p[1].p_pixels;
p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
p_pic->p[2].p_pixels = p_dst;
}
/****************************************************************************
* Encoder descriptor declaration
****************************************************************************/
struct encoder_sys_t
{
HINSTANCE hmsdmo_dll;
IMediaObject *p_dmo;
int i_min_output;
date_t end_date;
#ifdef LOADER
ldt_fs_t *ldt_fs;
#endif
};
/*****************************************************************************
* EncoderOpen: open dmo codec
*****************************************************************************/
static int EncoderOpen( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t*)p_this;
#ifndef LOADER
int i_ret = EncOpen( p_this );
if( i_ret != VLC_SUCCESS ) return i_ret;
#else
/* We can't open it now, because of ldt_keeper or something
* Open/Encode/Close has to be done in the same thread */
int i;
/* Probe if we support it */
for( i = 0; encoders_table[i].i_fourcc != 0; i++ )
{
if( encoders_table[i].i_fourcc == p_enc->fmt_out.i_codec )
{
msg_Dbg( p_enc, "DMO codec for %4.4s may work with dll=%s",
(char*)&p_enc->fmt_out.i_codec,
encoders_table[i].psz_dll );
break;
}
}
p_enc->p_sys = NULL;
if( !encoders_table[i].i_fourcc ) return VLC_EGENERIC;
#endif /* LOADER */
/* Set callbacks */
p_enc->pf_encode_video = (block_t *(*)(encoder_t *, picture_t *))
EncodeBlock;
p_enc->pf_encode_audio = (block_t *(*)(encoder_t *, aout_buffer_t *))
EncodeBlock;
return VLC_SUCCESS;
}
/*****************************************************************************
* EncoderSetVideoType: configures the input and output types of the dmo
*****************************************************************************/
static int EncoderSetVideoType( encoder_t *p_enc, IMediaObject *p_dmo )
{
int i, i_selected, i_err;
DMO_MEDIA_TYPE dmo_type;
VIDEOINFOHEADER vih, *p_vih;
BITMAPINFOHEADER *p_bih;
/* FIXME */
p_enc->fmt_in.video.i_bits_per_pixel =
p_enc->fmt_out.video.i_bits_per_pixel = 12;
/* Enumerate input format (for debug output) */
i = 0;
while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) )
{
p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
msg_Dbg( p_enc, "available input chroma: %4.4s",
(char *)&dmo_type.subtype.Data1 );
if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB565, 16 ) )
msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB565" );
if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB24, 16 ) )
msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB24" );
DMOFreeMediaType( &dmo_type );
}
/* Setup input format */
memset( &dmo_type, 0, sizeof(dmo_type) );
dmo_type.pUnk = 0;
memset( &vih, 0, sizeof(VIDEOINFOHEADER) );
p_bih = &vih.bmiHeader;
p_bih->biCompression = VLC_FOURCC('I','4','2','0');
p_bih->biWidth = p_enc->fmt_in.video.i_width;
p_bih->biHeight = p_enc->fmt_in.video.i_height;
p_bih->biBitCount = p_enc->fmt_in.video.i_bits_per_pixel;
p_bih->biSizeImage = p_enc->fmt_in.video.i_width *
p_enc->fmt_in.video.i_height * p_enc->fmt_in.video.i_bits_per_pixel /8;
p_bih->biPlanes = 3;
p_bih->biSize = sizeof(BITMAPINFOHEADER);
vih.rcSource.left = vih.rcSource.top = 0;
vih.rcSource.right = p_enc->fmt_in.video.i_width;
vih.rcSource.bottom = p_enc->fmt_in.video.i_height;
vih.rcTarget = vih.rcSource;
vih.AvgTimePerFrame = I64C(10000000) / 25; //FIXME
dmo_type.majortype = MEDIATYPE_Video;
//dmo_type.subtype = MEDIASUBTYPE_RGB24;
dmo_type.subtype = MEDIASUBTYPE_I420;
//dmo_type.subtype.Data1 = p_bih->biCompression;
dmo_type.formattype = FORMAT_VideoInfo;
dmo_type.bFixedSizeSamples = TRUE;
dmo_type.bTemporalCompression = FALSE;
dmo_type.lSampleSize = p_bih->biSizeImage;
dmo_type.cbFormat = sizeof(VIDEOINFOHEADER);
dmo_type.pbFormat = (char *)&vih;
if( ( i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 ) ) )
{
msg_Err( p_enc, "can't set DMO input type: %x", i_err );
return VLC_EGENERIC;
}
msg_Dbg( p_enc, "successfully set input type" );
/* Setup output format */
memset( &dmo_type, 0, sizeof(dmo_type) );
dmo_type.pUnk = 0;
/* Enumerate output types */
i = 0, i_selected = -1;
while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) )
{
p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
msg_Dbg( p_enc, "available output codec: %4.4s",
(char *)&dmo_type.subtype.Data1 );
if( p_vih->bmiHeader.biCompression == p_enc->fmt_out.i_codec )
i_selected = i - 1;
DMOFreeMediaType( &dmo_type );
}
if( i_selected < 0 )
{
msg_Err( p_enc, "couldn't find codec: %4.4s",
(char *)&p_enc->fmt_out.i_codec );
return VLC_EGENERIC;
}
p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type );
((VIDEOINFOHEADER *)dmo_type.pbFormat)->dwBitRate =
p_enc->fmt_out.i_bitrate;
/* Get the private data for the codec */
while( 1 )
{
IWMCodecPrivateData *p_privdata;
VIDEOINFOHEADER *p_vih;
uint8_t *p_data = 0;
uint32_t i_data = 0, i_vih;
i_err = p_dmo->vt->QueryInterface( (IUnknown *)p_dmo,
&IID_IWMCodecPrivateData,
(void **)&p_privdata );
if( i_err ) break;
i_err = p_privdata->vt->SetPartialOutputType( p_privdata, &dmo_type );
if( i_err )
{
msg_Err( p_enc, "SetPartialOutputType() failed" );
p_privdata->vt->Release( (IUnknown *)p_privdata );
break;
}
i_err = p_privdata->vt->GetPrivateData( p_privdata, NULL, &i_data );
if( i_err )
{
msg_Err( p_enc, "GetPrivateData() failed" );
p_privdata->vt->Release( (IUnknown *)p_privdata );
break;
}
p_data = malloc( i_data );
i_err = p_privdata->vt->GetPrivateData( p_privdata, p_data, &i_data );
/* Update the media type with the private data */
i_vih = dmo_type.cbFormat + i_data;
p_vih = CoTaskMemAlloc( i_vih );
memcpy( p_vih, dmo_type.pbFormat, dmo_type.cbFormat );
memcpy( ((uint8_t *)p_vih) + dmo_type.cbFormat, p_data, i_data );
DMOFreeMediaType( &dmo_type );
dmo_type.pbFormat = (char*)p_vih;
dmo_type.cbFormat = i_vih;
msg_Dbg( p_enc, "found extra data: %i", i_data );
p_enc->fmt_out.i_extra = i_data;
p_enc->fmt_out.p_extra = p_data;
break;
}
i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 );
p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
DMOFreeMediaType( &dmo_type );
if( i_err )
{
msg_Err( p_enc, "can't set DMO output type: %i", i_err );
return VLC_EGENERIC;
}
msg_Dbg( p_enc, "successfully set output type" );
return VLC_SUCCESS;
}
/*****************************************************************************
* EncoderSetAudioType: configures the input and output types of the dmo
*****************************************************************************/
static int EncoderSetAudioType( encoder_t *p_enc, IMediaObject *p_dmo )
{
int i, i_selected, i_err;
unsigned int i_last_byterate;
uint16_t i_tag;
DMO_MEDIA_TYPE dmo_type;
WAVEFORMATEX *p_wf;
/* Setup the format structure */
fourcc_to_wf_tag( p_enc->fmt_out.i_codec, &i_tag );
if( i_tag == 0 ) return VLC_EGENERIC;
p_enc->fmt_in.i_codec = AOUT_FMT_S16_NE;
p_enc->fmt_in.audio.i_bitspersample = 16;
/* We first need to choose an output type from the predefined
* list of choices (we cycle through the list to select the best match) */
i = 0; i_selected = -1; i_last_byterate = 0;
while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) )
{
p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, "
"bits per sample: %i, bitrate: %i, blockalign: %i",
(int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
(int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
(int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
if( p_wf->wFormatTag == i_tag &&
p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate &&
p_wf->nChannels == p_enc->fmt_in.audio.i_channels &&
p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample )
{
if( (int)p_wf->nAvgBytesPerSec <
p_enc->fmt_out.i_bitrate * 110 / 800 /* + 10% */ &&
p_wf->nAvgBytesPerSec > i_last_byterate )
{
i_selected = i - 1;
i_last_byterate = p_wf->nAvgBytesPerSec;
msg_Dbg( p_enc, "selected entry %i (bitrate: %i)",
i_selected, p_wf->nAvgBytesPerSec * 8 );
}
}
DMOFreeMediaType( &dmo_type );
}
if( i_selected < 0 )
{
msg_Err( p_enc, "couldn't find a matching ouput" );
return VLC_EGENERIC;
}
p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type );
p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
msg_Dbg( p_enc, "selected format: %i, sample rate:%i, "
"channels: %i, bits per sample: %i, bitrate: %i, blockalign: %i",
(int)p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
(int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
(int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
p_enc->fmt_out.audio.i_rate = p_wf->nSamplesPerSec;
p_enc->fmt_out.audio.i_channels = p_wf->nChannels;
p_enc->fmt_out.audio.i_bitspersample = p_wf->wBitsPerSample;
p_enc->fmt_out.audio.i_blockalign = p_wf->nBlockAlign;
p_enc->fmt_out.i_bitrate = p_wf->nAvgBytesPerSec * 8;
if( p_wf->cbSize )
{
msg_Dbg( p_enc, "found cbSize: %i", p_wf->cbSize );
p_enc->fmt_out.i_extra = p_wf->cbSize;
p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
memcpy( p_enc->fmt_out.p_extra, &p_wf[1], p_enc->fmt_out.i_extra );
}
i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 );
DMOFreeMediaType( &dmo_type );
if( i_err )
{
msg_Err( p_enc, "can't set DMO output type: %i", i_err );
return VLC_EGENERIC;
}
msg_Dbg( p_enc, "successfully set output type" );
/* Setup the input type */
i = 0; i_selected = -1;
while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) )
{
p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, "
"bits per sample: %i, bitrate: %i, blockalign: %i",
(int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
(int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
(int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
if( p_wf->wFormatTag == WAVE_FORMAT_PCM &&
p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate &&
p_wf->nChannels == p_enc->fmt_in.audio.i_channels &&
p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample )
{
i_selected = i - 1;
}
DMOFreeMediaType( &dmo_type );
}
if( i_selected < 0 )
{
msg_Err( p_enc, "couldn't find a matching input" );
return VLC_EGENERIC;
}
p_dmo->vt->GetInputType( p_dmo, 0, i_selected, &dmo_type );
i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 );
DMOFreeMediaType( &dmo_type );
if( i_err )
{
msg_Err( p_enc, "can't set DMO input type: %x", i_err );
return VLC_EGENERIC;
}
msg_Dbg( p_enc, "successfully set input type" );
return VLC_SUCCESS;
}
/*****************************************************************************
* EncOpen: open dmo codec
*****************************************************************************/
static int EncOpen( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t*)p_this;
encoder_sys_t *p_sys = NULL;
IMediaObject *p_dmo = NULL;
HINSTANCE hmsdmo_dll = NULL;
#ifdef LOADER
ldt_fs_t *ldt_fs = Setup_LDT_Keeper();
#else
/* Initialize OLE/COM */
CoInitialize( 0 );
#endif /* LOADER */
if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_enc->fmt_out, VLC_TRUE )
!= VLC_SUCCESS )
{
hmsdmo_dll = 0;
p_dmo = 0;
goto error;
}
if( p_enc->fmt_in.i_cat == VIDEO_ES )
{
if( EncoderSetVideoType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error;
}
else
{
if( EncoderSetAudioType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_enc->p_sys = p_sys =
(encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL )
{
msg_Err( p_enc, "out of memory" );
goto error;
}
p_sys->hmsdmo_dll = hmsdmo_dll;
p_sys->p_dmo = p_dmo;
#ifdef LOADER
p_sys->ldt_fs = ldt_fs;
#endif
/* Find out some properties of the inputput */
{
uint32_t i_size, i_align, dum;
if( p_dmo->vt->GetInputSizeInfo( p_dmo, 0, &i_size, &i_align, &dum ) )
msg_Err( p_enc, "GetInputSizeInfo() failed" );
else
msg_Dbg( p_enc, "GetInputSizeInfo(): bytes %i, align %i, %i",
i_size, i_align, dum );
}
/* Find out some properties of the output */
{
uint32_t i_size, i_align;
p_sys->i_min_output = 0;
if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
{
msg_Err( p_enc, "GetOutputSizeInfo() failed" );
goto error;
}
else
{
msg_Dbg( p_enc, "GetOutputSizeInfo(): bytes %i, align %i",
i_size, i_align );
p_sys->i_min_output = i_size;
}
}
/* Set output properties */
p_enc->fmt_out.i_cat = p_enc->fmt_out.i_cat;
if( p_enc->fmt_out.i_cat == AUDIO_ES )
date_Init( &p_sys->end_date, p_enc->fmt_out.audio.i_rate, 1 );
else
date_Init( &p_sys->end_date, 25 /* FIXME */, 1 );
return VLC_SUCCESS;
error:
if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo );
if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll );
#ifdef LOADER
Restore_LDT_Keeper( ldt_fs );
#else
/* Uninitialize OLE/COM */
CoUninitialize();
#endif /* LOADER */
if( p_sys ) free( p_sys );
return VLC_EGENERIC;
}
/****************************************************************************
* Encode: the whole thing
****************************************************************************/
static block_t *EncodeBlock( encoder_t *p_enc, void *p_data )
{
encoder_sys_t *p_sys = p_enc->p_sys;
CMediaBuffer *p_in;
block_t *p_chain = NULL;
block_t *p_block_in;
uint32_t i_status;
int i_result;
mtime_t i_pts;
if( p_sys == NULL )
{
if( EncOpen( VLC_OBJECT(p_enc) ) )
{
msg_Err( p_enc, "EncOpen failed" );
return NULL;
}
p_sys = p_enc->p_sys;
}
if( !p_data ) return NULL;
if( p_enc->fmt_out.i_cat == VIDEO_ES )
{
/* Get picture data */
int i_plane, i_line, i_width, i_src_stride;
picture_t *p_pic = (picture_t *)p_data;
uint8_t *p_dst;
int i_buffer = p_enc->fmt_in.video.i_width *
p_enc->fmt_in.video.i_height *
p_enc->fmt_in.video.i_bits_per_pixel / 8;
p_block_in = block_New( p_enc, i_buffer );
/* Copy picture stride by stride */
p_dst = p_block_in->p_buffer;
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
uint8_t *p_src = p_pic->p[i_plane].p_pixels;
i_width = p_pic->p[i_plane].i_visible_pitch;
i_src_stride = p_pic->p[i_plane].i_pitch;
for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines;
i_line++ )
{
p_enc->p_vlc->pf_memcpy( p_dst, p_src, i_width );
p_dst += i_width;
p_src += i_src_stride;
}
}
i_pts = p_pic->date;
}
else
{
aout_buffer_t *p_aout_buffer = (aout_buffer_t *)p_data;
p_block_in = block_New( p_enc, p_aout_buffer->i_nb_bytes );
memcpy( p_block_in->p_buffer, p_aout_buffer->p_buffer,
p_block_in->i_buffer );
i_pts = p_aout_buffer->start_date;
}
/* Feed input to the DMO */
p_in = CMediaBufferCreate( p_block_in, p_block_in->i_buffer, VLC_TRUE );
i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
(IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_TIME, i_pts * 10, 0 );
p_in->vt->Release( (IUnknown *)p_in );
if( i_result == S_FALSE )
{
/* No output generated */
#ifdef DMO_DEBUG
msg_Dbg( p_enc, "ProcessInput(): no output generated "I64Fd, i_pts );
#endif
return NULL;
}
else if( i_result == (int)DMO_E_NOTACCEPTING )
{
/* Need to call ProcessOutput */
msg_Dbg( p_enc, "ProcessInput(): not accepting" );
}
else if( i_result != S_OK )
{
msg_Dbg( p_enc, "ProcessInput(): failed: %x", i_result );
return NULL;
}
#if DMO_DEBUG
msg_Dbg( p_enc, "ProcessInput(): success" );
#endif
/* Get output from the DMO */
while( 1 )
{
DMO_OUTPUT_DATA_BUFFER db;
block_t *p_block_out;
CMediaBuffer *p_out;
p_block_out = block_New( p_enc, p_sys->i_min_output );
p_block_out->i_buffer = 0;
p_out = CMediaBufferCreate(p_block_out, p_sys->i_min_output, VLC_FALSE);
memset( &db, 0, sizeof(db) );
db.pBuffer = (IMediaBuffer *)p_out;
i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
0, 1, &db, &i_status );
if( i_result != S_OK )
{
if( i_result != S_FALSE )
msg_Dbg( p_enc, "ProcessOutput(): failed: %x", i_result );
#if DMO_DEBUG
else
msg_Dbg( p_enc, "ProcessOutput(): no output" );
#endif
p_out->vt->Release( (IUnknown *)p_out );
block_Release( p_block_out );
return p_chain;
}
if( !p_block_out->i_buffer )
{
#if DMO_DEBUG
msg_Dbg( p_enc, "ProcessOutput(): no output (i_buffer_out == 0)" );
#endif
p_out->vt->Release( (IUnknown *)p_out );
block_Release( p_block_out );
return p_chain;
}
if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIME )
{
#if DMO_DEBUG
msg_Dbg( p_enc, "ProcessOutput(): pts: "I64Fd", "I64Fd,
i_pts, db.rtTimestamp / 10 );
#endif
i_pts = db.rtTimestamp / 10;
}
if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH )
{
p_block_out->i_length = db.rtTimelength / 10;
#if DMO_DEBUG
msg_Dbg( p_enc, "ProcessOutput(): length: "I64Fd,
p_block_out->i_length );
#endif
}
if( p_enc->fmt_out.i_cat == VIDEO_ES )
{
if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT )
p_block_out->i_flags |= BLOCK_FLAG_TYPE_I;
else
p_block_out->i_flags |= BLOCK_FLAG_TYPE_P;
}
p_block_out->i_dts = p_block_out->i_pts = i_pts;
block_ChainAppend( &p_chain, p_block_out );
}
}
/*****************************************************************************
* EncoderClose: close codec
*****************************************************************************/
void EncoderClose( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t*)p_this;
encoder_sys_t *p_sys = p_enc->p_sys;
if( !p_sys ) return;
if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo );
FreeLibrary( p_sys->hmsdmo_dll );
#ifdef LOADER
#if 0
Restore_LDT_Keeper( p_sys->ldt_fs );
#endif
#else
/* Uninitialize OLE/COM */
CoUninitialize();
#endif
free( p_sys );
}