dmo.c
上传用户:riyaled888
上传日期:2009-03-27
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文件大小:48k
- /*****************************************************************************
- * dmo.c : DirectMedia Object decoder module for vlc
- *****************************************************************************
- * Copyright (C) 2002, 2003 VideoLAN
- * $Id: dmo.c 9329 2004-11-14 19:36:40Z gbazin $
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, 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 );
- # 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 },
- /* 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;
- int i_chroma = VLC_FOURCC('Y','U','Y','2'), 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;
- 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 */
- if( p_enum_dmo->vt->Next( p_enum_dmo, 1, &clsid_dmo,
- &psz_dmo_name, &i_dummy /* NULL doesn't work */ ) )
- {
- FreeLibrary( *p_hmsdmo_dll );
- return VLC_EGENERIC;
- }
- p_enum_dmo->vt->Release( (IUnknown *)p_enum_dmo );
- #if 1
- {
- char psz_temp[MAX_PATH];
- wcstombs( psz_temp, psz_dmo_name, MAX_PATH );
- msg_Dbg( p_this, "found DMO: %s", psz_temp );
- }
- #endif
- CoTaskMemFree( psz_dmo_name );
- /* Create DMO */
- if( CoCreateInstance( &clsid_dmo, NULL, CLSCTX_INPROC,
- &IID_IMediaObject, (void **)pp_dmo ) )
- {
- msg_Err( p_this, "can't create DMO" );
- FreeLibrary( *p_hmsdmo_dll );
- return VLC_EGENERIC;
- }
- return VLC_SUCCESS;
- #endif /* LOADER */
- 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 == 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 = 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 == 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 );
- }