1 /*****************************************************************************
2 * dmo.c : DirectMedia Object decoder module for vlc
3 *****************************************************************************
4 * Copyright (C) 2002, 2003 the VideoLAN team
7 * Author: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_codec.h>
41 # include <vlc_charset.h>
45 /* Need the w32dll loader from mplayer */
46 # include <wine/winerror.h>
47 # include <ldt_keeper.h>
48 # include <wine/windef.h>
51 #include <vlc_codecs.h>
58 long CoInitialize( void *pvReserved ) { VLC_UNUSED(pvReserved); return -1; }
59 void CoUninitialize( void ) { }
61 /* A few prototypes */
62 HMODULE WINAPI LoadLibraryA(LPCSTR);
63 #define LoadLibrary LoadLibraryA
64 FARPROC WINAPI GetProcAddress(HMODULE,LPCSTR);
65 int WINAPI FreeLibrary(HMODULE);
68 typedef long (STDCALL *GETCLASS) ( const GUID*, const GUID*, void** );
70 static const int pi_channels_maps[7] =
74 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
75 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
76 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
77 | AOUT_CHAN_REARRIGHT,
78 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
79 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
80 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
81 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
84 /*****************************************************************************
86 *****************************************************************************/
87 static int DecoderOpen ( vlc_object_t * );
88 static void DecoderClose ( vlc_object_t * );
89 static void *DecodeBlock ( decoder_t *, block_t ** );
90 static void *DecoderThread( void * );
91 static int EncoderOpen ( vlc_object_t * );
92 static void EncoderClose ( vlc_object_t * );
93 static block_t *EncodeBlock( encoder_t *, void * );
95 static int EncOpen ( vlc_object_t * );
97 static int LoadDMO( vlc_object_t *, HINSTANCE *, IMediaObject **,
98 es_format_t *, bool );
99 static void CopyPicture( picture_t *, uint8_t * );
102 set_description( N_("DirectMedia Object decoder") )
103 add_shortcut( "dmo" )
104 set_capability( "decoder", 1 )
105 set_callbacks( DecoderOpen, DecoderClose )
106 set_category( CAT_INPUT )
107 set_subcategory( SUBCAT_INPUT_VCODEC )
109 # define ENC_CFG_PREFIX "sout-dmo-"
111 set_description( N_("DirectMedia Object encoder") )
112 add_shortcut( "dmo" )
113 set_capability( "encoder", 10 )
114 set_callbacks( EncoderOpen, EncoderClose )
118 /*****************************************************************************
120 *****************************************************************************/
122 /****************************************************************************
123 * Decoder descriptor declaration
124 ****************************************************************************/
127 HINSTANCE hmsdmo_dll;
141 vlc_cond_t wait_input, wait_output;
142 bool b_ready, b_works;
149 const GUID IID_IWMCodecPrivateData = {0x73f0be8e, 0x57f7, 0x4f01, {0xaa, 0x66, 0x9f, 0x57, 0x34, 0xc, 0xfe, 0xe}};
150 const GUID IID_IMediaObject = {0xd8ad0f58, 0x5494, 0x4102, {0x97, 0xc5, 0xec, 0x79, 0x8e, 0x59, 0xbc, 0xf4}};
151 const GUID IID_IMediaBuffer = {0x59eff8b9, 0x938c, 0x4a26, {0x82, 0xf2, 0x95, 0xcb, 0x84, 0xcd, 0xc8, 0x37}};
152 const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
153 const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
154 const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
155 const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
156 const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
157 const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
158 const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
159 const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
160 const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
161 const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
164 static const GUID guid_wvc1 = { 0xc9bfbccf, 0xe60e, 0x4588, { 0xa3, 0xdf, 0x5a, 0x03, 0xb1, 0xfd, 0x95, 0x85 } };
165 static const GUID guid_wmv9 = { 0x724bb6a4, 0xe526, 0x450f, { 0xaf, 0xfa, 0xab, 0x9b, 0x45, 0x12, 0x91, 0x11 } };
167 static const GUID guid_wmv = { 0x82d353df, 0x90bd, 0x4382, { 0x8b, 0xc2, 0x3f, 0x61, 0x92, 0xb7, 0x6e, 0x34 } };
168 static const GUID guid_wms = { 0x7bafb3b1, 0xd8f4, 0x4279, { 0x92, 0x53, 0x27, 0xda, 0x42, 0x31, 0x08, 0xde } };
169 static const GUID guid_wmva ={ 0x03be3ac4, 0x84b7, 0x4e0e, { 0xa7, 0x8d, 0xd3, 0x52, 0x4e, 0x60, 0x39, 0x5a } };
171 static const GUID guid_wma = { 0x874131cb, 0x4ecc, 0x443b, { 0x89, 0x48, 0x74, 0x6b, 0x89, 0x59, 0x5d, 0x20 } };
172 static const GUID guid_wma9 = { 0x27ca0808, 0x01f5, 0x4e7a, { 0x8b, 0x05, 0x87, 0xf8, 0x07, 0xa2, 0x33, 0xd1 } };
174 static const GUID guid_wmv_enc = { 0x3181343b, 0x94a2, 0x4feb, { 0xad, 0xef, 0x30, 0xa1, 0xdd, 0xe6, 0x17, 0xb4 } };
175 static const GUID guid_wmv_enc2 = { 0x96b57cdd, 0x8966, 0x410c,{ 0xbb, 0x1f, 0xc9, 0x7e, 0xea, 0x76, 0x5c, 0x04 } };
176 static const GUID guid_wma_enc = { 0x70f598e9, 0xf4ab, 0x495a, { 0x99, 0xe2, 0xa7, 0xc4, 0xd3, 0xd8, 0x9a, 0xbf } };
180 vlc_fourcc_t i_fourcc;
186 static const codec_dll decoders_table[] =
189 { VLC_CODEC_VC1, "wvc1dmod.dll", &guid_wvc1 },
191 { VLC_CODEC_WMV3, "wmv9dmod.dll", &guid_wmv9 },
193 { VLC_CODEC_WMV2, "wmvdmod.dll", &guid_wmv },
195 { VLC_CODEC_WMV1, "wmvdmod.dll", &guid_wmv },
197 { VLC_FOURCC('M','S','S','2'), "wmsdmod.dll", &guid_wms },
198 { VLC_FOURCC('m','s','s','2'), "wmsdmod.dll", &guid_wms },
199 { VLC_FOURCC('M','S','S','1'), "wmsdmod.dll", &guid_wms },
200 { VLC_FOURCC('m','s','s','1'), "wmsdmod.dll", &guid_wms },
201 /* Windows Media Video Adv */
202 { VLC_CODEC_WMVA, "wmvadvd.dll", &guid_wmva },
205 { VLC_CODEC_WMAP, "wma9dmod.dll", &guid_wma9 },
206 { VLC_CODEC_WMAL, "wma9dmod.dll", &guid_wma9 },
209 { VLC_CODEC_WMA2, "wma9dmod.dll", &guid_wma9 },
212 { VLC_CODEC_WMAS, "wmspdmod.dll", &guid_wma },
218 static const codec_dll encoders_table[] =
221 { VLC_CODEC_WMV3, "wmvdmoe2.dll", &guid_wmv_enc2 },
223 { VLC_CODEC_WMV2, "wmvdmoe2.dll", &guid_wmv_enc2 },
225 { VLC_CODEC_WMV1, "wmvdmoe2.dll", &guid_wmv_enc2 },
228 { VLC_CODEC_WMAP, "wmadmoe.dll", &guid_wma_enc },
230 { VLC_CODEC_WMA2, "wmadmoe.dll", &guid_wma_enc },
236 static void WINAPI DMOFreeMediaType( DMO_MEDIA_TYPE *mt )
238 if( mt->cbFormat != 0 ) CoTaskMemFree( (PVOID)mt->pbFormat );
239 if( mt->pUnk != NULL ) mt->pUnk->vt->Release( (IUnknown *)mt->pUnk );
245 /*****************************************************************************
246 * DecoderOpen: open dmo codec
247 *****************************************************************************/
248 static int DecoderOpen( vlc_object_t *p_this )
250 decoder_t *p_dec = (decoder_t*)p_this;
251 decoder_sys_t *p_sys;
253 /* We can't open it now, because of ldt_keeper or something
254 * Open/Decode/Close has to be done in the same thread */
256 /* Probe if we support it */
257 for( unsigned i = 0; decoders_table[i].i_fourcc != 0; i++ )
259 if( decoders_table[i].i_fourcc == p_dec->fmt_in.i_codec )
261 msg_Dbg( p_dec, "DMO codec for %4.4s may work with dll=%s",
262 (char*)&p_dec->fmt_in.i_codec,
263 decoders_table[i].psz_dll );
270 p_sys = p_dec->p_sys = malloc(sizeof(*p_sys));
275 p_dec->pf_decode_video = (picture_t *(*)(decoder_t *, block_t **))
277 p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
280 vlc_mutex_init( &p_sys->lock );
281 vlc_cond_init( &p_sys->wait_input );
282 vlc_cond_init( &p_sys->wait_output );
284 p_sys->b_ready = false;
285 p_sys->pp_input = NULL;
286 TAB_INIT( p_sys->i_output, p_sys->pp_output );
288 if( vlc_clone( &p_sys->thread, DecoderThread, p_dec,
289 VLC_THREAD_PRIORITY_INPUT ) )
292 vlc_mutex_lock( &p_sys->lock );
293 while( !p_sys->b_ready )
294 vlc_cond_wait( &p_sys->wait_output, &p_sys->lock );
295 vlc_mutex_unlock( &p_sys->lock );
300 vlc_join( p_sys->thread, NULL );
302 vlc_cond_destroy( &p_sys->wait_input );
303 vlc_cond_destroy( &p_sys->wait_output );
304 vlc_mutex_destroy( &p_sys->lock );
309 /*****************************************************************************
310 * DecoderClose: close codec
311 *****************************************************************************/
312 static void DecoderClose( vlc_object_t *p_this )
314 decoder_t *p_dec = (decoder_t*)p_this;
315 decoder_sys_t *p_sys = p_dec->p_sys;
317 vlc_mutex_lock( &p_sys->lock );
318 p_sys->b_ready = false;
319 vlc_cond_signal( &p_sys->wait_input );
320 vlc_mutex_unlock( &p_sys->lock );
322 vlc_join( p_sys->thread, NULL );
323 TAB_CLEAN( p_sys->i_output, p_sys->pp_output );
324 vlc_cond_destroy( &p_sys->wait_input );
325 vlc_cond_destroy( &p_sys->wait_output );
326 vlc_mutex_destroy( &p_sys->lock );
330 static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
332 decoder_sys_t *p_sys = p_dec->p_sys;
335 vlc_mutex_lock( &p_sys->lock );
336 if( p_sys->i_output <= 0 )
338 p_sys->pp_input = pp_block;
339 vlc_cond_signal( &p_sys->wait_input );
341 while( p_sys->pp_input )
342 vlc_cond_wait( &p_sys->wait_output, &p_sys->lock );
346 if( p_sys->i_output > 0 )
348 p_ret = p_sys->pp_output[0];
349 TAB_REMOVE( p_sys->i_output, p_sys->pp_output, p_ret );
352 vlc_mutex_unlock( &p_sys->lock );
357 /*****************************************************************************
358 * DecOpen: open dmo codec
359 *****************************************************************************/
360 static int DecOpen( decoder_t *p_dec )
362 decoder_sys_t *p_sys = p_dec->p_sys;
364 DMO_MEDIA_TYPE dmo_input_type, dmo_output_type;
365 IMediaObject *p_dmo = NULL;
366 HINSTANCE hmsdmo_dll = NULL;
368 VIDEOINFOHEADER *p_vih = NULL;
369 WAVEFORMATEX *p_wf = NULL;
372 ldt_fs_t *ldt_fs = Setup_LDT_Keeper();
374 /* Initialize OLE/COM */
378 if( LoadDMO( VLC_OBJECT(p_dec), &hmsdmo_dll, &p_dmo, &p_dec->fmt_in, false )
386 /* Setup input format */
387 memset( &dmo_input_type, 0, sizeof(dmo_input_type) );
388 dmo_input_type.pUnk = 0;
390 if( p_dec->fmt_in.i_cat == AUDIO_ES )
393 int i_size = sizeof(WAVEFORMATEX) + p_dec->fmt_in.i_extra;
394 p_wf = malloc( i_size );
396 memset( p_wf, 0, sizeof(WAVEFORMATEX) );
397 if( p_dec->fmt_in.i_extra )
398 memcpy( &p_wf[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
400 dmo_input_type.majortype = MEDIATYPE_Audio;
401 dmo_input_type.subtype = dmo_input_type.majortype;
402 dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec;
403 fourcc_to_wf_tag( p_dec->fmt_in.i_codec, &i_tag );
404 if( i_tag ) dmo_input_type.subtype.Data1 = i_tag;
406 p_wf->wFormatTag = dmo_input_type.subtype.Data1;
407 p_wf->nSamplesPerSec = p_dec->fmt_in.audio.i_rate;
408 p_wf->nChannels = p_dec->fmt_in.audio.i_channels;
409 p_wf->wBitsPerSample = p_dec->fmt_in.audio.i_bitspersample;
410 p_wf->nBlockAlign = p_dec->fmt_in.audio.i_blockalign;
411 p_wf->nAvgBytesPerSec = p_dec->fmt_in.i_bitrate / 8;
412 p_wf->cbSize = p_dec->fmt_in.i_extra;
414 dmo_input_type.formattype = FORMAT_WaveFormatEx;
415 dmo_input_type.cbFormat = i_size;
416 dmo_input_type.pbFormat = (char *)p_wf;
417 dmo_input_type.bFixedSizeSamples = 1;
418 dmo_input_type.bTemporalCompression = 0;
419 dmo_input_type.lSampleSize = p_wf->nBlockAlign;
423 BITMAPINFOHEADER *p_bih;
425 int i_size = sizeof(VIDEOINFOHEADER) + p_dec->fmt_in.i_extra;
426 p_vih = malloc( i_size );
428 memset( p_vih, 0, sizeof(VIDEOINFOHEADER) );
429 if( p_dec->fmt_in.i_extra )
430 memcpy( &p_vih[1], p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
432 p_bih = &p_vih->bmiHeader;
433 p_bih->biCompression = p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec;
434 p_bih->biWidth = p_dec->fmt_in.video.i_width;
435 p_bih->biHeight = p_dec->fmt_in.video.i_height;
436 p_bih->biBitCount = p_dec->fmt_in.video.i_bits_per_pixel;
438 p_bih->biSize = i_size - sizeof(VIDEOINFOHEADER) +
439 sizeof(BITMAPINFOHEADER);
441 p_vih->rcSource.left = p_vih->rcSource.top = 0;
442 p_vih->rcSource.right = p_dec->fmt_in.video.i_width;
443 p_vih->rcSource.bottom = p_dec->fmt_in.video.i_height;
444 p_vih->rcTarget = p_vih->rcSource;
446 dmo_input_type.majortype = MEDIATYPE_Video;
447 dmo_input_type.subtype = dmo_input_type.majortype;
448 dmo_input_type.subtype.Data1 = p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec;
449 dmo_input_type.formattype = FORMAT_VideoInfo;
450 dmo_input_type.bFixedSizeSamples = 0;
451 dmo_input_type.bTemporalCompression = 1;
452 dmo_input_type.cbFormat = i_size;
453 dmo_input_type.pbFormat = (char *)p_vih;
456 if( p_dmo->vt->SetInputType( p_dmo, 0, &dmo_input_type, 0 ) )
458 msg_Err( p_dec, "can't set DMO input type" );
461 msg_Dbg( p_dec, "DMO input type set" );
463 /* Setup output format */
464 memset( &dmo_output_type, 0, sizeof(dmo_output_type) );
465 dmo_output_type.pUnk = 0;
467 if( p_dec->fmt_in.i_cat == AUDIO_ES )
469 /* Setup the format */
470 p_dec->fmt_out.i_codec = VLC_CODEC_S16N;
471 p_dec->fmt_out.audio.i_rate = p_dec->fmt_in.audio.i_rate;
472 p_dec->fmt_out.audio.i_channels = p_dec->fmt_in.audio.i_channels;
473 p_dec->fmt_out.audio.i_bitspersample = 16;//p_dec->fmt_in.audio.i_bitspersample; We request 16
474 p_dec->fmt_out.audio.i_physical_channels =
475 p_dec->fmt_out.audio.i_original_channels =
476 pi_channels_maps[p_dec->fmt_out.audio.i_channels];
478 p_wf->wFormatTag = WAVE_FORMAT_PCM;
479 p_wf->nSamplesPerSec = p_dec->fmt_out.audio.i_rate;
480 p_wf->nChannels = p_dec->fmt_out.audio.i_channels;
481 p_wf->wBitsPerSample = p_dec->fmt_out.audio.i_bitspersample;
483 p_wf->wBitsPerSample / 8 * p_wf->nChannels;
484 p_wf->nAvgBytesPerSec =
485 p_wf->nSamplesPerSec * p_wf->nBlockAlign;
488 dmo_output_type.majortype = MEDIATYPE_Audio;
489 dmo_output_type.formattype = FORMAT_WaveFormatEx;
490 dmo_output_type.subtype = MEDIASUBTYPE_PCM;
491 dmo_output_type.cbFormat = sizeof(WAVEFORMATEX);
492 dmo_output_type.pbFormat = (char *)p_wf;
493 dmo_output_type.bFixedSizeSamples = 1;
494 dmo_output_type.bTemporalCompression = 0;
495 dmo_output_type.lSampleSize = p_wf->nBlockAlign;
499 BITMAPINFOHEADER *p_bih;
501 unsigned i_chroma = VLC_CODEC_YUYV;
502 int i_planes = 1, i_bpp = 16;
505 /* Find out which chroma to use */
506 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
508 if( mt.subtype.Data1 == VLC_CODEC_YV12 )
510 i_chroma = mt.subtype.Data1;
511 i_planes = 3; i_bpp = 12;
514 DMOFreeMediaType( &mt );
517 p_dec->fmt_out.i_codec = i_chroma == VLC_CODEC_YV12 ?
518 VLC_CODEC_I420 : i_chroma;
519 p_dec->fmt_out.video.i_width = p_dec->fmt_in.video.i_width;
520 p_dec->fmt_out.video.i_height = p_dec->fmt_in.video.i_height;
521 p_dec->fmt_out.video.i_bits_per_pixel = i_bpp;
523 /* If an aspect-ratio was specified in the input format then force it */
524 if( p_dec->fmt_in.video.i_sar_num > 0 &&
525 p_dec->fmt_in.video.i_sar_den > 0 )
527 p_dec->fmt_out.video.i_sar_num = p_dec->fmt_in.video.i_sar_num;
528 p_dec->fmt_out.video.i_sar_den = p_dec->fmt_in.video.i_sar_den;
532 p_dec->fmt_out.video.i_sar_num = 1;
533 p_dec->fmt_out.video.i_sar_den = 1;
536 p_bih = &p_vih->bmiHeader;
537 p_bih->biCompression = i_chroma;
538 p_bih->biHeight *= -1;
539 p_bih->biBitCount = p_dec->fmt_out.video.i_bits_per_pixel;
540 p_bih->biSizeImage = p_dec->fmt_in.video.i_width *
541 p_dec->fmt_in.video.i_height *
542 (p_dec->fmt_in.video.i_bits_per_pixel + 7) / 8;
544 p_bih->biPlanes = i_planes;
545 p_bih->biSize = sizeof(BITMAPINFOHEADER);
547 dmo_output_type.majortype = MEDIATYPE_Video;
548 dmo_output_type.formattype = FORMAT_VideoInfo;
549 dmo_output_type.subtype = dmo_output_type.majortype;
550 dmo_output_type.subtype.Data1 = p_bih->biCompression;
551 dmo_output_type.bFixedSizeSamples = true;
552 dmo_output_type.bTemporalCompression = 0;
553 dmo_output_type.lSampleSize = p_bih->biSizeImage;
554 dmo_output_type.cbFormat = sizeof(VIDEOINFOHEADER);
555 dmo_output_type.pbFormat = (char *)p_vih;
559 /* Enumerate output types */
560 if( p_dec->fmt_in.i_cat == VIDEO_ES )
565 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &mt ) )
567 msg_Dbg( p_dec, "available output chroma: %4.4s",
568 (char *)&mt.subtype.Data1 );
569 DMOFreeMediaType( &mt );
574 if( p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_output_type, 0 ) )
576 msg_Err( p_dec, "can't set DMO output type" );
579 msg_Dbg( p_dec, "DMO output type set" );
581 /* Allocate the memory needed to store the decoder's structure */
582 p_sys->hmsdmo_dll = hmsdmo_dll;
583 p_sys->p_dmo = p_dmo;
585 p_sys->ldt_fs = ldt_fs;
588 /* Find out some properties of the output */
590 uint32_t i_size, i_align;
592 p_sys->i_min_output = 0;
593 if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
595 msg_Err( p_dec, "GetOutputSizeInfo() failed" );
600 msg_Dbg( p_dec, "GetOutputSizeInfo(): bytes %i, align %i",
602 p_sys->i_min_output = i_size;
603 p_sys->p_buffer = malloc( i_size );
604 if( !p_sys->p_buffer ) goto error;
608 /* Set output properties */
609 p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
610 if( p_dec->fmt_out.i_cat == AUDIO_ES )
611 date_Init( &p_sys->end_date, p_dec->fmt_in.audio.i_rate, 1 );
613 date_Init( &p_sys->end_date, 25 /* FIXME */, 1 );
618 vlc_mutex_lock( &p_sys->lock );
620 p_sys->b_works = true;
621 vlc_cond_signal( &p_sys->wait_output );
622 vlc_mutex_unlock( &p_sys->lock );
628 if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo );
629 if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll );
632 Restore_LDT_Keeper( ldt_fs );
634 /* Uninitialize OLE/COM */
641 vlc_mutex_lock( &p_sys->lock );
642 p_sys->b_ready = true;
643 vlc_cond_signal( &p_sys->wait_output );
644 vlc_mutex_unlock( &p_sys->lock );
648 /*****************************************************************************
649 * LoadDMO: Load the DMO object
650 *****************************************************************************/
651 static int LoadDMO( vlc_object_t *p_this, HINSTANCE *p_hmsdmo_dll,
652 IMediaObject **pp_dmo, es_format_t *p_fmt,
655 DMO_PARTIAL_MEDIATYPE dmo_partial_type;
659 long (STDCALL *OurDMOEnum)( const GUID *, uint32_t, uint32_t,
660 const DMO_PARTIAL_MEDIATYPE *,
661 uint32_t, const DMO_PARTIAL_MEDIATYPE *,
664 IEnumDMO *p_enum_dmo = NULL;
671 IClassFactory *cFactory = NULL;
672 IUnknown *cObject = NULL;
673 const codec_dll *codecs_table = b_out ? encoders_table : decoders_table;
676 /* Look for a DMO which can handle the requested codec */
677 if( p_fmt->i_cat == AUDIO_ES )
680 dmo_partial_type.type = MEDIATYPE_Audio;
681 dmo_partial_type.subtype = dmo_partial_type.type;
682 dmo_partial_type.subtype.Data1 = p_fmt->i_original_fourcc ?: p_fmt->i_codec;
683 fourcc_to_wf_tag( p_fmt->i_codec, &i_tag );
684 if( i_tag ) dmo_partial_type.subtype.Data1 = i_tag;
688 dmo_partial_type.type = MEDIATYPE_Video;
689 dmo_partial_type.subtype = dmo_partial_type.type;
690 dmo_partial_type.subtype.Data1 = p_fmt->i_original_fourcc ?: p_fmt->i_codec;
695 *p_hmsdmo_dll = LoadLibrary( "msdmo.dll" );
696 if( *p_hmsdmo_dll == NULL )
698 msg_Dbg( p_this, "failed loading msdmo.dll" );
701 OurDMOEnum = (void *)GetProcAddress( *p_hmsdmo_dll, "DMOEnum" );
702 if( OurDMOEnum == NULL )
704 msg_Dbg( p_this, "GetProcAddress failed to find DMOEnum()" );
705 FreeLibrary( *p_hmsdmo_dll );
711 i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
712 1, &dmo_partial_type, 0, NULL, &p_enum_dmo );
716 i_err = OurDMOEnum( &GUID_NULL, 1 /*DMO_ENUMF_INCLUDE_KEYED*/,
717 0, NULL, 1, &dmo_partial_type, &p_enum_dmo );
721 FreeLibrary( *p_hmsdmo_dll );
722 /* return VLC_EGENERIC; */
723 /* Try loading the dll directly */
727 /* Pickup the first available codec */
729 while( ( S_OK == p_enum_dmo->vt->Next( p_enum_dmo, 1, &clsid_dmo,
730 &psz_dmo_name, &i_dummy /* NULL doesn't work */ ) ) )
732 char *psz_temp = FromWide( psz_dmo_name );
733 msg_Dbg( p_this, "found DMO: %s", psz_temp );
734 CoTaskMemFree( psz_dmo_name );
737 if( CoCreateInstance( &clsid_dmo, NULL, CLSCTX_INPROC,
738 &IID_IMediaObject, (void **)pp_dmo ) )
740 msg_Warn( p_this, "can't create DMO: %s", psz_temp );
751 p_enum_dmo->vt->Release( (IUnknown *)p_enum_dmo );
755 FreeLibrary( *p_hmsdmo_dll );
756 /* return VLC_EGENERIC; */
757 /* Try loading the dll directly */
766 for( i_codec = 0; codecs_table[i_codec].i_fourcc != 0; i_codec++ )
768 if( codecs_table[i_codec].i_fourcc == p_fmt->i_codec )
771 if( codecs_table[i_codec].i_fourcc == 0 )
772 return VLC_EGENERIC; /* Can't happen */
774 *p_hmsdmo_dll = LoadLibrary( codecs_table[i_codec].psz_dll );
775 if( *p_hmsdmo_dll == NULL )
777 msg_Dbg( p_this, "failed loading '%s'",
778 codecs_table[i_codec].psz_dll );
782 GetClass = (GETCLASS)GetProcAddress( *p_hmsdmo_dll, "DllGetClassObject" );
785 msg_Dbg( p_this, "GetProcAddress failed to find DllGetClassObject()" );
786 FreeLibrary( *p_hmsdmo_dll );
790 i_err = GetClass( codecs_table[i_codec].p_guid, &IID_IClassFactory,
792 if( i_err || cFactory == NULL )
794 msg_Dbg( p_this, "no such class object" );
795 FreeLibrary( *p_hmsdmo_dll );
799 i_err = cFactory->vt->CreateInstance( cFactory, 0, &IID_IUnknown,
801 cFactory->vt->Release( (IUnknown*)cFactory );
802 if( i_err || !cObject )
804 msg_Dbg( p_this, "class factory failure" );
805 FreeLibrary( *p_hmsdmo_dll );
808 i_err = cObject->vt->QueryInterface( cObject, &IID_IMediaObject,
810 cObject->vt->Release( (IUnknown*)cObject );
811 if( i_err || !*pp_dmo )
813 msg_Dbg( p_this, "QueryInterface failure" );
814 FreeLibrary( *p_hmsdmo_dll );
821 static void DecClose( decoder_t *p_dec )
823 decoder_sys_t *p_sys = p_dec->p_sys;
825 if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo );
826 FreeLibrary( p_sys->hmsdmo_dll );
830 Restore_LDT_Keeper( p_sys->ldt_fs );
833 /* Uninitialize OLE/COM */
837 free( p_sys->p_buffer );
840 /****************************************************************************
841 * DecodeBlock: the whole thing
842 ****************************************************************************
843 * This function must be fed with packets.
844 ****************************************************************************/
845 static void *DecBlock( decoder_t *p_dec, block_t **pp_block )
847 decoder_sys_t *p_sys = p_dec->p_sys;
851 DMO_OUTPUT_DATA_BUFFER db;
856 if( !pp_block ) return NULL;
860 /* Won't work with streams with B-frames, but do we have any ? */
861 if( p_block && p_block->i_pts <= VLC_TS_INVALID )
862 p_block->i_pts = p_block->i_dts;
864 /* Date management */
865 if( p_block && p_block->i_pts > VLC_TS_INVALID &&
866 p_block->i_pts != date_Get( &p_sys->end_date ) )
868 date_Set( &p_sys->end_date, p_block->i_pts );
871 #if 0 /* Breaks the video decoding */
872 if( !date_Get( &p_sys->end_date ) )
874 /* We've just started the stream, wait for the first PTS. */
875 if( p_block ) block_Release( p_block );
880 /* Feed input to the DMO */
881 if( p_block && p_block->i_buffer )
885 p_in = CMediaBufferCreate( p_block, p_block->i_buffer, true );
887 i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
888 (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_SYNCPOINT,
891 p_in->vt->Release( (IUnknown *)p_in );
893 if( i_result == S_FALSE )
895 /* No output generated */
897 msg_Dbg( p_dec, "ProcessInput(): no output generated" );
901 else if( i_result == (int)DMO_E_NOTACCEPTING )
903 /* Need to call ProcessOutput */
904 msg_Dbg( p_dec, "ProcessInput(): not accepting" );
906 else if( i_result != S_OK )
908 msg_Dbg( p_dec, "ProcessInput(): failed" );
914 msg_Dbg( p_dec, "ProcessInput(): successful" );
919 else if( p_block && !p_block->i_buffer )
921 block_Release( p_block );
925 /* Get output from the DMO */
926 block_out.p_buffer = p_sys->p_buffer;
927 block_out.i_buffer = 0;
929 p_out = CMediaBufferCreate( &block_out, p_sys->i_min_output, false );
930 memset( &db, 0, sizeof(db) );
931 db.pBuffer = (IMediaBuffer *)p_out;
933 i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
934 DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER,
937 if( i_result != S_OK )
939 if( i_result != S_FALSE )
940 msg_Dbg( p_dec, "ProcessOutput(): failed" );
943 msg_Dbg( p_dec, "ProcessOutput(): no output" );
946 p_out->vt->Release( (IUnknown *)p_out );
951 msg_Dbg( p_dec, "ProcessOutput(): success" );
954 if( !block_out.i_buffer )
957 msg_Dbg( p_dec, "ProcessOutput(): no output (i_buffer_out == 0)" );
959 p_out->vt->Release( (IUnknown *)p_out );
963 if( p_dec->fmt_out.i_cat == VIDEO_ES )
965 /* Get a new picture */
966 picture_t *p_pic = decoder_NewPicture( p_dec );
967 if( !p_pic ) return NULL;
969 CopyPicture( p_pic, block_out.p_buffer );
971 /* Date management */
972 p_pic->date = date_Get( &p_sys->end_date );
973 date_Increment( &p_sys->end_date, 1 );
975 p_out->vt->Release( (IUnknown *)p_out );
981 aout_buffer_t *p_aout_buffer;
982 int i_samples = block_out.i_buffer /
983 ( p_dec->fmt_out.audio.i_bitspersample *
984 p_dec->fmt_out.audio.i_channels / 8 );
986 p_aout_buffer = decoder_NewAudioBuffer( p_dec, i_samples );
989 memcpy( p_aout_buffer->p_buffer,
990 block_out.p_buffer, block_out.i_buffer );
991 /* Date management */
992 p_aout_buffer->i_pts = date_Get( &p_sys->end_date );
993 p_aout_buffer->i_length =
994 date_Increment( &p_sys->end_date, i_samples )
995 - p_aout_buffer->i_pts;
997 p_out->vt->Release( (IUnknown *)p_out );
999 return p_aout_buffer;
1005 static void CopyPicture( picture_t *p_pic, uint8_t *p_in )
1007 int i_plane, i_line, i_width, i_dst_stride;
1008 uint8_t *p_dst, *p_src = p_in;
1010 p_dst = p_pic->p[1].p_pixels;
1011 p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
1012 p_pic->p[2].p_pixels = p_dst;
1014 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
1016 p_dst = p_pic->p[i_plane].p_pixels;
1017 i_width = p_pic->p[i_plane].i_visible_pitch;
1018 i_dst_stride = p_pic->p[i_plane].i_pitch;
1020 for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines; i_line++ )
1022 vlc_memcpy( p_dst, p_src, i_width );
1024 p_dst += i_dst_stride;
1028 p_dst = p_pic->p[1].p_pixels;
1029 p_pic->p[1].p_pixels = p_pic->p[2].p_pixels;
1030 p_pic->p[2].p_pixels = p_dst;
1033 static void *DecoderThread( void *data )
1035 decoder_t *p_dec = data;
1036 decoder_sys_t *p_sys = p_dec->p_sys;
1038 if( DecOpen( p_dec ) )
1039 return NULL; /* failed */
1041 vlc_mutex_lock( &p_sys->lock );
1044 while( p_sys->b_ready && !p_sys->pp_input )
1045 vlc_cond_wait( &p_sys->wait_input, &p_sys->lock );
1046 if( !p_sys->b_ready )
1051 void *p_output = DecBlock( p_dec, p_sys->pp_input );
1054 TAB_APPEND( p_sys->i_output, p_sys->pp_output, p_output );
1056 p_sys->pp_input = NULL;
1057 vlc_cond_signal( &p_sys->wait_output );
1059 vlc_mutex_unlock( &p_sys->lock );
1066 /****************************************************************************
1067 * Encoder descriptor declaration
1068 ****************************************************************************/
1069 struct encoder_sys_t
1071 HINSTANCE hmsdmo_dll;
1072 IMediaObject *p_dmo;
1083 /*****************************************************************************
1084 * EncoderOpen: open dmo codec
1085 *****************************************************************************/
1086 static int EncoderOpen( vlc_object_t *p_this )
1088 encoder_t *p_enc = (encoder_t*)p_this;
1090 int i_ret = EncOpen( p_this );
1091 if( i_ret != VLC_SUCCESS ) return i_ret;
1094 p_enc->pf_encode_video = (block_t *(*)(encoder_t *, picture_t *))
1096 p_enc->pf_encode_audio = (block_t *(*)(encoder_t *, aout_buffer_t *))
1102 /*****************************************************************************
1103 * EncoderSetVideoType: configures the input and output types of the dmo
1104 *****************************************************************************/
1105 static int EncoderSetVideoType( encoder_t *p_enc, IMediaObject *p_dmo )
1107 int i, i_selected, i_err;
1108 DMO_MEDIA_TYPE dmo_type;
1109 VIDEOINFOHEADER vih, *p_vih;
1110 BITMAPINFOHEADER *p_bih;
1113 p_enc->fmt_in.video.i_bits_per_pixel =
1114 p_enc->fmt_out.video.i_bits_per_pixel = 12;
1116 /* Enumerate input format (for debug output) */
1118 while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) )
1120 p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
1122 msg_Dbg( p_enc, "available input chroma: %4.4s",
1123 (char *)&dmo_type.subtype.Data1 );
1124 if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB565, 16 ) )
1125 msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB565" );
1126 if( !memcmp( &dmo_type.subtype, &MEDIASUBTYPE_RGB24, 16 ) )
1127 msg_Dbg( p_enc, "-> MEDIASUBTYPE_RGB24" );
1129 DMOFreeMediaType( &dmo_type );
1132 /* Setup input format */
1133 memset( &dmo_type, 0, sizeof(dmo_type) );
1134 memset( &vih, 0, sizeof(VIDEOINFOHEADER) );
1136 p_bih = &vih.bmiHeader;
1137 p_bih->biCompression = VLC_CODEC_I420;
1138 p_bih->biWidth = p_enc->fmt_in.video.i_width;
1139 p_bih->biHeight = p_enc->fmt_in.video.i_height;
1140 p_bih->biBitCount = p_enc->fmt_in.video.i_bits_per_pixel;
1141 p_bih->biSizeImage = p_enc->fmt_in.video.i_width *
1142 p_enc->fmt_in.video.i_height * p_enc->fmt_in.video.i_bits_per_pixel /8;
1143 p_bih->biPlanes = 3;
1144 p_bih->biSize = sizeof(BITMAPINFOHEADER);
1146 vih.rcSource.left = vih.rcSource.top = 0;
1147 vih.rcSource.right = p_enc->fmt_in.video.i_width;
1148 vih.rcSource.bottom = p_enc->fmt_in.video.i_height;
1149 vih.rcTarget = vih.rcSource;
1151 vih.AvgTimePerFrame = INT64_C(10000000) / 25; //FIXME
1153 dmo_type.majortype = MEDIATYPE_Video;
1154 //dmo_type.subtype = MEDIASUBTYPE_RGB24;
1155 dmo_type.subtype = MEDIASUBTYPE_I420;
1156 //dmo_type.subtype.Data1 = p_bih->biCompression;
1157 dmo_type.formattype = FORMAT_VideoInfo;
1158 dmo_type.bFixedSizeSamples = TRUE;
1159 dmo_type.bTemporalCompression = FALSE;
1160 dmo_type.lSampleSize = p_bih->biSizeImage;
1161 dmo_type.cbFormat = sizeof(VIDEOINFOHEADER);
1162 dmo_type.pbFormat = (char *)&vih;
1164 if( ( i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 ) ) )
1166 msg_Err( p_enc, "can't set DMO input type: %x", i_err );
1167 return VLC_EGENERIC;
1170 msg_Dbg( p_enc, "successfully set input type" );
1172 /* Setup output format */
1173 memset( &dmo_type, 0, sizeof(dmo_type) );
1176 /* Enumerate output types */
1177 i = 0, i_selected = -1;
1178 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) )
1180 p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
1182 msg_Dbg( p_enc, "available output codec: %4.4s",
1183 (char *)&dmo_type.subtype.Data1 );
1185 if( p_vih->bmiHeader.biCompression == p_enc->fmt_out.i_codec )
1188 DMOFreeMediaType( &dmo_type );
1191 if( i_selected < 0 )
1193 msg_Err( p_enc, "couldn't find codec: %4.4s",
1194 (char *)&p_enc->fmt_out.i_codec );
1195 return VLC_EGENERIC;
1198 p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type );
1199 ((VIDEOINFOHEADER *)dmo_type.pbFormat)->dwBitRate =
1200 p_enc->fmt_out.i_bitrate;
1202 /* Get the private data for the codec */
1205 IWMCodecPrivateData *p_privdata;
1206 VIDEOINFOHEADER *p_vih;
1207 uint8_t *p_data = 0;
1208 uint32_t i_data = 0, i_vih;
1210 i_err = p_dmo->vt->QueryInterface( (IUnknown *)p_dmo,
1211 &IID_IWMCodecPrivateData,
1215 i_err = p_privdata->vt->SetPartialOutputType( p_privdata, &dmo_type );
1218 msg_Err( p_enc, "SetPartialOutputType() failed" );
1219 p_privdata->vt->Release( (IUnknown *)p_privdata );
1223 i_err = p_privdata->vt->GetPrivateData( p_privdata, NULL, &i_data );
1226 msg_Err( p_enc, "GetPrivateData() failed" );
1227 p_privdata->vt->Release( (IUnknown *)p_privdata );
1231 p_data = malloc( i_data );
1232 i_err = p_privdata->vt->GetPrivateData( p_privdata, p_data, &i_data );
1234 /* Update the media type with the private data */
1235 i_vih = dmo_type.cbFormat + i_data;
1236 p_vih = CoTaskMemAlloc( i_vih );
1237 memcpy( p_vih, dmo_type.pbFormat, dmo_type.cbFormat );
1238 memcpy( ((uint8_t *)p_vih) + dmo_type.cbFormat, p_data, i_data );
1239 DMOFreeMediaType( &dmo_type );
1240 dmo_type.pbFormat = (char*)p_vih;
1241 dmo_type.cbFormat = i_vih;
1243 msg_Dbg( p_enc, "found extra data: %i", i_data );
1244 p_enc->fmt_out.i_extra = i_data;
1245 p_enc->fmt_out.p_extra = p_data;
1249 i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 );
1251 p_vih = (VIDEOINFOHEADER *)dmo_type.pbFormat;
1252 p_enc->fmt_in.i_codec = VLC_CODEC_I420;
1254 DMOFreeMediaType( &dmo_type );
1257 msg_Err( p_enc, "can't set DMO output type: %i", i_err );
1258 return VLC_EGENERIC;
1261 msg_Dbg( p_enc, "successfully set output type" );
1265 /*****************************************************************************
1266 * EncoderSetAudioType: configures the input and output types of the dmo
1267 *****************************************************************************/
1268 static int EncoderSetAudioType( encoder_t *p_enc, IMediaObject *p_dmo )
1270 int i, i_selected, i_err;
1271 unsigned int i_last_byterate;
1273 DMO_MEDIA_TYPE dmo_type;
1276 /* Setup the format structure */
1277 fourcc_to_wf_tag( p_enc->fmt_out.i_codec, &i_tag );
1278 if( i_tag == 0 ) return VLC_EGENERIC;
1280 p_enc->fmt_in.i_codec = VLC_CODEC_S16N;
1281 p_enc->fmt_in.audio.i_bitspersample = 16;
1283 /* We first need to choose an output type from the predefined
1284 * list of choices (we cycle through the list to select the best match) */
1285 i = 0; i_selected = -1; i_last_byterate = 0;
1286 while( !p_dmo->vt->GetOutputType( p_dmo, 0, i++, &dmo_type ) )
1288 p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
1289 msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, "
1290 "bits per sample: %i, bitrate: %i, blockalign: %i",
1291 (int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
1292 (int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
1293 (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
1295 if( p_wf->wFormatTag == i_tag &&
1296 p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate &&
1297 p_wf->nChannels == p_enc->fmt_in.audio.i_channels &&
1298 p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample )
1300 if( p_wf->nAvgBytesPerSec <
1301 p_enc->fmt_out.i_bitrate * 110 / 800 /* + 10% */ &&
1302 p_wf->nAvgBytesPerSec > i_last_byterate )
1305 i_last_byterate = p_wf->nAvgBytesPerSec;
1306 msg_Dbg( p_enc, "selected entry %i (bitrate: %i)",
1307 i_selected, p_wf->nAvgBytesPerSec * 8 );
1311 DMOFreeMediaType( &dmo_type );
1314 if( i_selected < 0 )
1316 msg_Err( p_enc, "couldn't find a matching output" );
1317 return VLC_EGENERIC;
1320 p_dmo->vt->GetOutputType( p_dmo, 0, i_selected, &dmo_type );
1321 p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
1323 msg_Dbg( p_enc, "selected format: %i, sample rate:%i, "
1324 "channels: %i, bits per sample: %i, bitrate: %i, blockalign: %i",
1325 (int)p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
1326 (int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
1327 (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
1329 p_enc->fmt_out.audio.i_rate = p_wf->nSamplesPerSec;
1330 p_enc->fmt_out.audio.i_channels = p_wf->nChannels;
1331 p_enc->fmt_out.audio.i_bitspersample = p_wf->wBitsPerSample;
1332 p_enc->fmt_out.audio.i_blockalign = p_wf->nBlockAlign;
1333 p_enc->fmt_out.i_bitrate = p_wf->nAvgBytesPerSec * 8;
1337 msg_Dbg( p_enc, "found cbSize: %i", p_wf->cbSize );
1338 p_enc->fmt_out.i_extra = p_wf->cbSize;
1339 p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
1340 memcpy( p_enc->fmt_out.p_extra, &p_wf[1], p_enc->fmt_out.i_extra );
1343 i_err = p_dmo->vt->SetOutputType( p_dmo, 0, &dmo_type, 0 );
1344 DMOFreeMediaType( &dmo_type );
1348 msg_Err( p_enc, "can't set DMO output type: %i", i_err );
1349 return VLC_EGENERIC;
1352 msg_Dbg( p_enc, "successfully set output type" );
1354 /* Setup the input type */
1355 i = 0; i_selected = -1;
1356 while( !p_dmo->vt->GetInputType( p_dmo, 0, i++, &dmo_type ) )
1358 p_wf = (WAVEFORMATEX *)dmo_type.pbFormat;
1359 msg_Dbg( p_enc, "available format :%i, sample rate: %i, channels: %i, "
1360 "bits per sample: %i, bitrate: %i, blockalign: %i",
1361 (int) p_wf->wFormatTag, (int)p_wf->nSamplesPerSec,
1362 (int)p_wf->nChannels, (int)p_wf->wBitsPerSample,
1363 (int)p_wf->nAvgBytesPerSec * 8, (int)p_wf->nBlockAlign );
1365 if( p_wf->wFormatTag == WAVE_FORMAT_PCM &&
1366 p_wf->nSamplesPerSec == p_enc->fmt_in.audio.i_rate &&
1367 p_wf->nChannels == p_enc->fmt_in.audio.i_channels &&
1368 p_wf->wBitsPerSample == p_enc->fmt_in.audio.i_bitspersample )
1373 DMOFreeMediaType( &dmo_type );
1376 if( i_selected < 0 )
1378 msg_Err( p_enc, "couldn't find a matching input" );
1379 return VLC_EGENERIC;
1382 p_dmo->vt->GetInputType( p_dmo, 0, i_selected, &dmo_type );
1383 i_err = p_dmo->vt->SetInputType( p_dmo, 0, &dmo_type, 0 );
1384 DMOFreeMediaType( &dmo_type );
1387 msg_Err( p_enc, "can't set DMO input type: %x", i_err );
1388 return VLC_EGENERIC;
1390 msg_Dbg( p_enc, "successfully set input type" );
1395 /*****************************************************************************
1396 * EncOpen: open dmo codec
1397 *****************************************************************************/
1398 static int EncOpen( vlc_object_t *p_this )
1400 encoder_t *p_enc = (encoder_t*)p_this;
1401 encoder_sys_t *p_sys = NULL;
1402 IMediaObject *p_dmo = NULL;
1403 HINSTANCE hmsdmo_dll = NULL;
1406 ldt_fs_t *ldt_fs = Setup_LDT_Keeper();
1408 /* Initialize OLE/COM */
1412 if( LoadDMO( p_this, &hmsdmo_dll, &p_dmo, &p_enc->fmt_out, true )
1420 if( p_enc->fmt_in.i_cat == VIDEO_ES )
1422 if( EncoderSetVideoType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error;
1426 if( EncoderSetAudioType( p_enc, p_dmo ) != VLC_SUCCESS ) goto error;
1429 /* Allocate the memory needed to store the decoder's structure */
1430 if( ( p_enc->p_sys = p_sys = malloc(sizeof(*p_sys)) ) == NULL )
1435 p_sys->hmsdmo_dll = hmsdmo_dll;
1436 p_sys->p_dmo = p_dmo;
1438 p_sys->ldt_fs = ldt_fs;
1441 /* Find out some properties of the inputput */
1443 uint32_t i_size, i_align, dum;
1445 if( p_dmo->vt->GetInputSizeInfo( p_dmo, 0, &i_size, &i_align, &dum ) )
1446 msg_Err( p_enc, "GetInputSizeInfo() failed" );
1448 msg_Dbg( p_enc, "GetInputSizeInfo(): bytes %i, align %i, %i",
1449 i_size, i_align, dum );
1452 /* Find out some properties of the output */
1454 uint32_t i_size, i_align;
1456 p_sys->i_min_output = 0;
1457 if( p_dmo->vt->GetOutputSizeInfo( p_dmo, 0, &i_size, &i_align ) )
1459 msg_Err( p_enc, "GetOutputSizeInfo() failed" );
1464 msg_Dbg( p_enc, "GetOutputSizeInfo(): bytes %i, align %i",
1466 p_sys->i_min_output = i_size;
1470 /* Set output properties */
1471 p_enc->fmt_out.i_cat = p_enc->fmt_out.i_cat;
1472 if( p_enc->fmt_out.i_cat == AUDIO_ES )
1473 date_Init( &p_sys->end_date, p_enc->fmt_out.audio.i_rate, 1 );
1475 date_Init( &p_sys->end_date, 25 /* FIXME */, 1 );
1481 if( p_dmo ) p_dmo->vt->Release( (IUnknown *)p_dmo );
1482 if( hmsdmo_dll ) FreeLibrary( hmsdmo_dll );
1485 Restore_LDT_Keeper( ldt_fs );
1487 /* Uninitialize OLE/COM */
1493 return VLC_EGENERIC;
1496 /****************************************************************************
1497 * Encode: the whole thing
1498 ****************************************************************************/
1499 static block_t *EncodeBlock( encoder_t *p_enc, void *p_data )
1501 encoder_sys_t *p_sys = p_enc->p_sys;
1503 block_t *p_chain = NULL;
1504 block_t *p_block_in;
1509 if( !p_data ) return NULL;
1511 if( p_enc->fmt_out.i_cat == VIDEO_ES )
1513 /* Get picture data */
1514 int i_plane, i_line, i_width, i_src_stride;
1515 picture_t *p_pic = (picture_t *)p_data;
1518 int i_buffer = p_enc->fmt_in.video.i_width *
1519 p_enc->fmt_in.video.i_height *
1520 p_enc->fmt_in.video.i_bits_per_pixel / 8;
1522 p_block_in = block_New( p_enc, i_buffer );
1524 /* Copy picture stride by stride */
1525 p_dst = p_block_in->p_buffer;
1526 for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
1528 uint8_t *p_src = p_pic->p[i_plane].p_pixels;
1529 i_width = p_pic->p[i_plane].i_visible_pitch;
1530 i_src_stride = p_pic->p[i_plane].i_pitch;
1532 for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines;
1535 vlc_memcpy( p_dst, p_src, i_width );
1537 p_src += i_src_stride;
1541 i_pts = p_pic->date;
1545 aout_buffer_t *p_aout_buffer = (aout_buffer_t *)p_data;
1546 p_block_in = block_New( p_enc, p_aout_buffer->i_buffer );
1547 memcpy( p_block_in->p_buffer, p_aout_buffer->p_buffer,
1548 p_block_in->i_buffer );
1550 i_pts = p_aout_buffer->i_pts;
1553 /* Feed input to the DMO */
1554 p_in = CMediaBufferCreate( p_block_in, p_block_in->i_buffer, true );
1555 i_result = p_sys->p_dmo->vt->ProcessInput( p_sys->p_dmo, 0,
1556 (IMediaBuffer *)p_in, DMO_INPUT_DATA_BUFFERF_TIME, i_pts * 10, 0 );
1558 p_in->vt->Release( (IUnknown *)p_in );
1559 if( i_result == S_FALSE )
1561 /* No output generated */
1563 msg_Dbg( p_enc, "ProcessInput(): no output generated %"PRId64, i_pts );
1567 else if( i_result == (int)DMO_E_NOTACCEPTING )
1569 /* Need to call ProcessOutput */
1570 msg_Dbg( p_enc, "ProcessInput(): not accepting" );
1572 else if( i_result != S_OK )
1574 msg_Dbg( p_enc, "ProcessInput(): failed: %x", i_result );
1579 msg_Dbg( p_enc, "ProcessInput(): success" );
1582 /* Get output from the DMO */
1585 DMO_OUTPUT_DATA_BUFFER db;
1586 block_t *p_block_out;
1587 CMediaBuffer *p_out;
1589 p_block_out = block_New( p_enc, p_sys->i_min_output );
1590 p_block_out->i_buffer = 0;
1591 p_out = CMediaBufferCreate(p_block_out, p_sys->i_min_output, false);
1592 memset( &db, 0, sizeof(db) );
1593 db.pBuffer = (IMediaBuffer *)p_out;
1595 i_result = p_sys->p_dmo->vt->ProcessOutput( p_sys->p_dmo,
1596 0, 1, &db, &i_status );
1598 if( i_result != S_OK )
1600 if( i_result != S_FALSE )
1601 msg_Dbg( p_enc, "ProcessOutput(): failed: %x", i_result );
1604 msg_Dbg( p_enc, "ProcessOutput(): no output" );
1607 p_out->vt->Release( (IUnknown *)p_out );
1608 block_Release( p_block_out );
1612 if( !p_block_out->i_buffer )
1615 msg_Dbg( p_enc, "ProcessOutput(): no output (i_buffer_out == 0)" );
1617 p_out->vt->Release( (IUnknown *)p_out );
1618 block_Release( p_block_out );
1622 if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIME )
1625 msg_Dbg( p_enc, "ProcessOutput(): pts: %"PRId64", %"PRId64,
1626 i_pts, db.rtTimestamp / 10 );
1628 i_pts = db.rtTimestamp / 10;
1631 if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH )
1633 p_block_out->i_length = db.rtTimelength / 10;
1635 msg_Dbg( p_enc, "ProcessOutput(): length: %"PRId64,
1636 p_block_out->i_length );
1640 if( p_enc->fmt_out.i_cat == VIDEO_ES )
1642 if( db.dwStatus & DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT )
1643 p_block_out->i_flags |= BLOCK_FLAG_TYPE_I;
1645 p_block_out->i_flags |= BLOCK_FLAG_TYPE_P;
1648 p_block_out->i_dts = p_block_out->i_pts = i_pts;
1649 block_ChainAppend( &p_chain, p_block_out );
1653 /*****************************************************************************
1654 * EncoderClose: close codec
1655 *****************************************************************************/
1656 void EncoderClose( vlc_object_t *p_this )
1658 encoder_t *p_enc = (encoder_t*)p_this;
1659 encoder_sys_t *p_sys = p_enc->p_sys;
1661 if( !p_sys ) return;
1663 if( p_sys->p_dmo ) p_sys->p_dmo->vt->Release( (IUnknown *)p_sys->p_dmo );
1664 FreeLibrary( p_sys->hmsdmo_dll );
1668 Restore_LDT_Keeper( p_sys->ldt_fs );
1671 /* Uninitialize OLE/COM */