git.sesse.net Git - vlc/blob - modules/codec/omxil/omxil.c

   1 /*****************************************************************************
   2  * omxil.c: Video decoder module making use of OpenMAX IL components.
   3  *****************************************************************************
   4  * Copyright (C) 2010 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *
   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.
  13  *
  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.
  18  *
  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  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include <dlfcn.h>
  32 #if defined(USE_IOMX)
  33 #include "iomx.h"
  34 #define dll_open(name) iomx_dlopen(name)
  35 #define dll_close(handle) iomx_dlclose(handle)
  36 #define dlsym(handle, name) iomx_dlsym(handle, name)
  37 #else
  38 #define dll_open(name) dlopen( name, RTLD_NOW )
  39 #define dll_close(handle) dlclose(handle)
  40 #endif
  41
  42 #include <vlc_common.h>
  43 #include <vlc_plugin.h>
  44 #include <vlc_codec.h>
  45 #include <vlc_aout.h>
  46 #include <vlc_block_helper.h>
  47 #include <vlc_cpu.h>
  48
  49 #include "omxil.h"
  50
  51 //#define OMXIL_EXTRA_DEBUG
  52
  53 /*****************************************************************************
  54  * List of OpenMAX IL core we will try in order
  55  *****************************************************************************/
  56 static const char *ppsz_dll_list[] =
  57 {
  58     "libOMX_Core.so", /* TI OMAP IL core */
  59     "libOmxCore.so", /* Qualcomm IL core */
  60     "libomxil-bellagio.so",  /* Bellagio IL core */
  61     0
  62 };
  63
  64 /*****************************************************************************
  65  * Local prototypes
  66  *****************************************************************************/
  67 static int  OpenDecoder( vlc_object_t * );
  68 static int  OpenEncoder( vlc_object_t * );
  69 static int  OpenGeneric( vlc_object_t *, bool b_encode );
  70 static void CloseGeneric( vlc_object_t * );
  71
  72 static picture_t *DecodeVideo( decoder_t *, block_t ** );
  73 static aout_buffer_t *DecodeAudio ( decoder_t *, block_t ** );
  74 static block_t *EncodeVideo( encoder_t *, picture_t * );
  75
  76 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE, OMX_PTR, OMX_EVENTTYPE,
  77                                       OMX_U32, OMX_U32, OMX_PTR );
  78 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE, OMX_PTR,
  79                                          OMX_BUFFERHEADERTYPE * );
  80 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE, OMX_PTR,
  81                                         OMX_BUFFERHEADERTYPE * );
  82
  83 /*****************************************************************************
  84  * Module descriptor
  85  *****************************************************************************/
  86 vlc_module_begin ()
  87     set_description( N_("Audio/Video decoder (using OpenMAX IL)") )
  88     set_category( CAT_INPUT )
  89     set_subcategory( SUBCAT_INPUT_VCODEC )
  90     set_section( N_("Decoding") , NULL )
  91 #ifdef HAVE_MAEMO
  92     set_capability( "decoder", 80 )
  93 #else
  94     set_capability( "decoder", 0 )
  95 #endif
  96     set_callbacks( OpenDecoder, CloseGeneric )
  97
  98     add_submodule ()
  99     set_section( N_("Encoding") , NULL )
 100     set_description( N_("Video encoder (using OpenMAX IL)") )
 101     set_capability( "encoder", 0 )
 102     set_callbacks( OpenEncoder, CloseGeneric )
 103 vlc_module_end ()
 104
 105 /*****************************************************************************
 106  * CreateComponentsList: creates a list of components matching the given role
 107  *****************************************************************************/
 108 static int CreateComponentsList(decoder_t *p_dec, const char *psz_role)
 109 {
 110     decoder_sys_t *p_sys = p_dec->p_sys;
 111     char psz_name[OMX_MAX_STRINGNAME_SIZE];
 112     OMX_ERRORTYPE omx_error;
 113     OMX_U32 roles = 0;
 114     OMX_U8 **ppsz_roles = 0;
 115     unsigned int i, j, len;
 116
 117     if(!psz_role) goto end;
 118     len = strlen(psz_role);
 119
 120     for( i = 0; ; i++ )
 121     {
 122         bool b_found = false;
 123
 124         omx_error = p_sys->pf_component_enum(psz_name, OMX_MAX_STRINGNAME_SIZE, i);
 125         if(omx_error != OMX_ErrorNone) break;
 126
 127         msg_Dbg(p_dec, "component %s", psz_name);
 128
 129         omx_error = p_sys->pf_get_roles_of_component(psz_name, &roles, 0);
 130         if(omx_error != OMX_ErrorNone || !roles) continue;
 131
 132         ppsz_roles = malloc(roles * (sizeof(OMX_U8*) + OMX_MAX_STRINGNAME_SIZE));
 133         if(!ppsz_roles) continue;
 134
 135         for( j = 0; j < roles; j++ )
 136             ppsz_roles[j] = ((OMX_U8 *)(&ppsz_roles[roles])) +
 137                 j * OMX_MAX_STRINGNAME_SIZE;
 138
 139         omx_error = p_sys->pf_get_roles_of_component(psz_name, &roles, ppsz_roles);
 140         if(omx_error != OMX_ErrorNone) roles = 0;
 141
 142         for(j = 0; j < roles; j++)
 143         {
 144             msg_Dbg(p_dec, "  - role: %s", ppsz_roles[j]);
 145             if(!strncmp((char *)ppsz_roles[j], psz_role, len)) b_found = true;
 146         }
 147
 148         free(ppsz_roles);
 149
 150         if(!b_found) continue;
 151
 152         if(p_sys->components >= MAX_COMPONENTS_LIST_SIZE)
 153         {
 154             msg_Dbg(p_dec, "too many matching components");
 155             continue;
 156         }
 157
 158         strncpy(p_sys->ppsz_components[p_sys->components], psz_name,
 159                 OMX_MAX_STRINGNAME_SIZE-1);
 160         p_sys->components++;
 161     }
 162
 163  end:
 164     msg_Dbg(p_dec, "found %i matching components for role %s",
 165             p_sys->components, psz_role);
 166     for( i = 0; i < p_sys->components; i++ )
 167         msg_Dbg(p_dec, "- %s", p_sys->ppsz_components[i]);
 168
 169     return p_sys->components;
 170 }
 171
 172 /*****************************************************************************
 173  * ImplementationSpecificWorkarounds: place-holder for implementation
 174  * specific workarounds
 175  *****************************************************************************/
 176 static OMX_ERRORTYPE ImplementationSpecificWorkarounds(decoder_t *p_dec,
 177     OmxPort *p_port, es_format_t *p_fmt)
 178 {
 179     decoder_sys_t *p_sys = p_dec->p_sys;
 180     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 181     int i_profile = 0xFFFF, i_level = 0xFFFF;
 182
 183     /* Try to find out the profile of the video */
 184     while(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 185           p_fmt->i_codec == VLC_CODEC_H264)
 186     {
 187         uint8_t *p = (uint8_t*)p_dec->fmt_in.p_extra;
 188         if(!p || !p_dec->fmt_in.p_extra) break;
 189
 190         /* Check the profile / level */
 191         if(p_dec->fmt_in.i_original_fourcc == VLC_FOURCC('a','v','c','1') &&
 192            p[0] == 1)
 193         {
 194             if(p_dec->fmt_in.i_extra < 12) break;
 195             p_sys->i_nal_size_length = 1 + (p[4]&0x03);
 196             if( !(p[5]&0x1f) ) break;
 197             p += 8;
 198         }
 199         else
 200         {
 201             if(p_dec->fmt_in.i_extra < 8) break;
 202             if(!p[0] && !p[1] && !p[2] && p[3] == 1) p += 4;
 203             else if(!p[0] && !p[1] && p[2] == 1) p += 3;
 204             else break;
 205         }
 206
 207         if( ((*p++)&0x1f) != 7) break;
 208
 209         /* Get profile/level out of first SPS */
 210         i_profile = p[0];
 211         i_level = p[2];
 212         break;
 213     }
 214
 215     if(!strcmp(p_sys->psz_component, "OMX.TI.Video.Decoder"))
 216     {
 217         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 218            p_fmt->i_codec == VLC_CODEC_H264 &&
 219            (i_profile != 66 || i_level > 30))
 220         {
 221             msg_Dbg(p_dec, "h264 profile/level not supported (0x%x, 0x%x)",
 222                     i_profile, i_level);
 223             return OMX_ErrorNotImplemented;
 224         }
 225
 226         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirOutput &&
 227            p_fmt->i_codec == VLC_CODEC_I420)
 228         {
 229             /* I420 xvideo is slow on OMAP */
 230             def->format.video.eColorFormat = OMX_COLOR_FormatCbYCrY;
 231             GetVlcChromaFormat( def->format.video.eColorFormat,
 232                                 &p_fmt->i_codec, 0 );
 233             GetVlcChromaSizes( p_fmt->i_codec,
 234                                def->format.video.nFrameWidth,
 235                                def->format.video.nFrameHeight,
 236                                &p_port->i_frame_size, &p_port->i_frame_stride,
 237                                &p_port->i_frame_stride_chroma_div );
 238             def->format.video.nStride = p_port->i_frame_stride;
 239             def->nBufferSize = p_port->i_frame_size;
 240         }
 241     }
 242     else if(!strcmp(p_sys->psz_component, "OMX.st.video_encoder"))
 243     {
 244         if(p_fmt->i_cat == VIDEO_ES)
 245         {
 246             /* Bellagio's encoder doesn't encode the framerate in Q16 */
 247             def->format.video.xFramerate >>= 16;
 248         }
 249     }
 250
 251     return OMX_ErrorNone;
 252 }
 253
 254 /*****************************************************************************
 255  * SetPortDefinition: set definition of the omx port based on the vlc format
 256  *****************************************************************************/
 257 static OMX_ERRORTYPE SetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 258                                        es_format_t *p_fmt)
 259 {
 260     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 261     OMX_ERRORTYPE omx_error;
 262
 263     omx_error = OMX_GetParameter(p_port->omx_handle,
 264                                  OMX_IndexParamPortDefinition, def);
 265     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 266                 omx_error, ErrorToString(omx_error));
 267
 268     switch(p_fmt->i_cat)
 269     {
 270     case VIDEO_ES:
 271         def->format.video.nFrameWidth = p_fmt->video.i_width;
 272         def->format.video.nFrameHeight = p_fmt->video.i_height;
 273         if(def->format.video.eCompressionFormat == OMX_VIDEO_CodingUnused)
 274             def->format.video.nStride = def->format.video.nFrameWidth;
 275         if( p_fmt->video.i_frame_rate > 0 &&
 276             p_fmt->video.i_frame_rate_base > 0 )
 277             def->format.video.xFramerate = (p_fmt->video.i_frame_rate << 16) /
 278                 p_fmt->video.i_frame_rate_base;
 279
 280         if(def->eDir == OMX_DirInput || p_dec->p_sys->b_enc)
 281         {
 282             def->nBufferSize = def->format.video.nFrameWidth *
 283               def->format.video.nFrameHeight * 2;
 284             p_port->i_frame_size = def->nBufferSize;
 285
 286             if(!GetOmxVideoFormat(p_fmt->i_codec,
 287                                   &def->format.video.eCompressionFormat, 0) )
 288             {
 289                 if(!GetOmxChromaFormat(p_fmt->i_codec,
 290                                        &def->format.video.eColorFormat, 0) )
 291                 {
 292                     omx_error = OMX_ErrorNotImplemented;
 293                     CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 294                                 (char *)&p_fmt->i_codec );
 295                 }
 296                 GetVlcChromaSizes( p_fmt->i_codec,
 297                                    def->format.video.nFrameWidth,
 298                                    def->format.video.nFrameHeight,
 299                                    &p_port->i_frame_size, &p_port->i_frame_stride,
 300                                    &p_port->i_frame_stride_chroma_div );
 301                 def->format.video.nStride = p_port->i_frame_stride;
 302                 def->nBufferSize = p_port->i_frame_size;
 303             }
 304         }
 305         else
 306         {
 307             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 308                                      &p_fmt->i_codec, 0 ) )
 309             {
 310                 omx_error = OMX_ErrorNotImplemented;
 311                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 312                             (int)def->format.video.eColorFormat );
 313             }
 314             GetVlcChromaSizes( p_fmt->i_codec,
 315                                def->format.video.nFrameWidth,
 316                                def->format.video.nFrameHeight,
 317                                &p_port->i_frame_size, &p_port->i_frame_stride,
 318                                &p_port->i_frame_stride_chroma_div );
 319             def->format.video.nStride = p_port->i_frame_stride;
 320             def->nBufferSize = p_port->i_frame_size;
 321         }
 322         break;
 323
 324     case AUDIO_ES:
 325         p_port->i_frame_size = def->nBufferSize;
 326         if(def->eDir == OMX_DirInput)
 327         {
 328             if(!GetOmxAudioFormat(p_fmt->i_codec,
 329                                   &def->format.audio.eEncoding, 0) )
 330             {
 331                 omx_error = OMX_ErrorNotImplemented;
 332                 CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 333                             (char *)&p_fmt->i_codec );
 334             }
 335         }
 336         else
 337         {
 338             if( !GetVlcAudioFormat(def->format.audio.eEncoding,
 339                                    &p_fmt->i_codec, 0 ) )
 340             {
 341                 omx_error = OMX_ErrorNotImplemented;
 342                 CHECK_ERROR(omx_error, "OMX audio encoding %i not supported",
 343                             (int)def->format.audio.eEncoding );
 344             }
 345         }
 346         break;
 347
 348     default: return OMX_ErrorNotImplemented;
 349     }
 350
 351     omx_error = ImplementationSpecificWorkarounds(p_dec, p_port, p_fmt);
 352     CHECK_ERROR(omx_error, "ImplementationSpecificWorkarounds failed (%x : %s)",
 353                 omx_error, ErrorToString(omx_error));
 354
 355     omx_error = OMX_SetParameter(p_port->omx_handle,
 356                                  OMX_IndexParamPortDefinition, def);
 357     CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
 358                 omx_error, ErrorToString(omx_error));
 359
 360     omx_error = OMX_GetParameter(p_port->omx_handle,
 361                                  OMX_IndexParamPortDefinition, def);
 362     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 363                 omx_error, ErrorToString(omx_error));
 364
 365     if(p_port->i_frame_size > def->nBufferSize)
 366         def->nBufferSize = p_port->i_frame_size;
 367     p_port->i_frame_size = def->nBufferSize;
 368
 369     /* Deal with audio params */
 370     if(p_fmt->i_cat == AUDIO_ES)
 371     {
 372         omx_error = SetAudioParameters(p_port->omx_handle,
 373                                        &p_port->format_param, def->nPortIndex,
 374                                        def->format.audio.eEncoding,
 375                                        p_fmt->audio.i_channels,
 376                                        p_fmt->audio.i_rate,
 377                                        p_fmt->i_bitrate,
 378                                        p_fmt->audio.i_bitspersample,
 379                                        p_fmt->audio.i_blockalign);
 380         CHECK_ERROR(omx_error, "SetAudioParameters failed (%x : %s)",
 381                     omx_error, ErrorToString(omx_error));
 382     }
 383
 384  error:
 385     return omx_error;
 386 }
 387
 388 /*****************************************************************************
 389  * GetPortDefinition: set vlc format based on the definition of the omx port
 390  *****************************************************************************/
 391 static OMX_ERRORTYPE GetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 392                                        es_format_t *p_fmt)
 393 {
 394     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 395     OMX_ERRORTYPE omx_error;
 396
 397     omx_error = OMX_GetParameter(p_port->omx_handle,
 398                                  OMX_IndexParamPortDefinition, def);
 399     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 400                 omx_error, ErrorToString(omx_error));
 401
 402     switch(p_fmt->i_cat)
 403     {
 404     case VIDEO_ES:
 405         p_fmt->video.i_width = def->format.video.nFrameWidth;
 406         p_fmt->video.i_visible_width = def->format.video.nFrameWidth;
 407         p_fmt->video.i_height = def->format.video.nFrameHeight;
 408         p_fmt->video.i_visible_height = def->format.video.nFrameHeight;
 409         p_fmt->video.i_frame_rate = p_dec->fmt_in.video.i_frame_rate;
 410         p_fmt->video.i_frame_rate_base = p_dec->fmt_in.video.i_frame_rate_base;
 411
 412         if(!GetVlcVideoFormat( def->format.video.eCompressionFormat,
 413                                &p_fmt->i_codec, 0 ) )
 414         {
 415             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 416                                      &p_fmt->i_codec, 0 ) )
 417             {
 418                 omx_error = OMX_ErrorNotImplemented;
 419                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 420                             (int)def->format.video.eColorFormat );
 421             }
 422             GetVlcChromaSizes( p_fmt->i_codec,
 423                                def->format.video.nFrameWidth,
 424                                def->format.video.nFrameHeight,
 425                                &p_port->i_frame_size, &p_port->i_frame_stride,
 426                                &p_port->i_frame_stride_chroma_div );
 427         }
 428         if(p_port->i_frame_size > def->nBufferSize)
 429             def->nBufferSize = p_port->i_frame_size;
 430         p_port->i_frame_size = def->nBufferSize;
 431 #if 0
 432         if((int)p_port->i_frame_stride > def->format.video.nStride)
 433             def->format.video.nStride = p_port->i_frame_stride;
 434 #endif
 435         p_port->i_frame_stride = def->format.video.nStride;
 436         break;
 437
 438     case AUDIO_ES:
 439         if( !GetVlcAudioFormat( def->format.audio.eEncoding,
 440                                 &p_fmt->i_codec, 0 ) )
 441         {
 442             omx_error = OMX_ErrorNotImplemented;
 443             CHECK_ERROR(omx_error, "OMX audio format %i not supported",
 444                         (int)def->format.audio.eEncoding );
 445         }
 446
 447         omx_error = GetAudioParameters(p_port->omx_handle,
 448                                        &p_port->format_param, def->nPortIndex,
 449                                        def->format.audio.eEncoding,
 450                                        &p_fmt->audio.i_channels,
 451                                        &p_fmt->audio.i_rate,
 452                                        &p_fmt->i_bitrate,
 453                                        &p_fmt->audio.i_bitspersample,
 454                                        &p_fmt->audio.i_blockalign);
 455         CHECK_ERROR(omx_error, "GetAudioParameters failed (%x : %s)",
 456                     omx_error, ErrorToString(omx_error));
 457
 458         if(p_fmt->audio.i_channels < 9)
 459         {
 460             static const int pi_channels_maps[9] =
 461             {
 462                 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 463                 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 464                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
 465                 | AOUT_CHAN_REARRIGHT,
 466                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 467                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
 468                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 469                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
 470                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 471                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
 472                 | AOUT_CHAN_MIDDLERIGHT,
 473                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
 474                 | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
 475                 | AOUT_CHAN_LFE
 476             };
 477             p_fmt->audio.i_physical_channels =
 478                 p_fmt->audio.i_original_channels =
 479                     pi_channels_maps[p_fmt->audio.i_channels];
 480         }
 481
 482         date_Init( &p_dec->p_sys->end_date, p_fmt->audio.i_rate, 1 );
 483
 484         break;
 485
 486     default: return OMX_ErrorNotImplemented;
 487     }
 488
 489  error:
 490     return omx_error;
 491 }
 492
 493 /*****************************************************************************
 494  * DeinitialiseComponent: Deinitialise and unload an OMX component
 495  *****************************************************************************/
 496 static OMX_ERRORTYPE DeinitialiseComponent(decoder_t *p_dec,
 497                                            OMX_HANDLETYPE omx_handle)
 498 {
 499     decoder_sys_t *p_sys = p_dec->p_sys;
 500     OMX_ERRORTYPE omx_error;
 501     OMX_STATETYPE state;
 502     unsigned int i, j;
 503
 504     if(!omx_handle) return OMX_ErrorNone;
 505
 506     omx_error = OMX_GetState(omx_handle, &state);
 507     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 508
 509     if(state == OMX_StateExecuting)
 510     {
 511         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 512                                      OMX_StateIdle, 0 );
 513         CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
 514         omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 515         CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
 516     }
 517
 518     omx_error = OMX_GetState(omx_handle, &state);
 519     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 520
 521     if(state == OMX_StateIdle)
 522     {
 523         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 524                                      OMX_StateLoaded, 0 );
 525         CHECK_ERROR(omx_error, "OMX_CommandStateSet Loaded failed (%x)", omx_error );
 526
 527         for(i = 0; i < p_sys->ports; i++)
 528         {
 529             OmxPort *p_port = &p_sys->p_ports[i];
 530             OMX_BUFFERHEADERTYPE *p_buffer;
 531
 532             for(j = 0; j < p_port->i_buffers; j++)
 533             {
 534                 OMX_FIFO_GET(&p_port->fifo, p_buffer);
 535                 omx_error = OMX_FreeBuffer( omx_handle,
 536                                             p_port->i_port_index, p_buffer );
 537
 538                 if(omx_error != OMX_ErrorNone) break;
 539             }
 540             CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
 541                         omx_error, (int)p_port->i_port_index, j );
 542         }
 543
 544         omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 545         CHECK_ERROR(omx_error, "Wait for Loaded failed (%x)", omx_error );
 546     }
 547
 548  error:
 549     for(i = 0; i < p_sys->ports; i++)
 550     {
 551         OmxPort *p_port = &p_sys->p_ports[i];
 552         free(p_port->pp_buffers);
 553         p_port->pp_buffers = 0;
 554     }
 555     omx_error = p_sys->pf_free_handle( omx_handle );
 556     return omx_error;
 557 }
 558
 559 /*****************************************************************************
 560  * InitialiseComponent: Load and initialise an OMX component
 561  *****************************************************************************/
 562 static OMX_ERRORTYPE InitialiseComponent(decoder_t *p_dec,
 563     OMX_STRING psz_component, OMX_HANDLETYPE *p_handle)
 564 {
 565     static OMX_CALLBACKTYPE callbacks =
 566         { OmxEventHandler, OmxEmptyBufferDone, OmxFillBufferDone };
 567     decoder_sys_t *p_sys = p_dec->p_sys;
 568     OMX_HANDLETYPE omx_handle;
 569     OMX_ERRORTYPE omx_error;
 570     unsigned int i;
 571     OMX_U8 psz_role[OMX_MAX_STRINGNAME_SIZE];
 572     OMX_PARAM_COMPONENTROLETYPE role;
 573     OMX_PARAM_PORTDEFINITIONTYPE definition;
 574     OMX_PORT_PARAM_TYPE param;
 575
 576     /* Load component */
 577     omx_error = p_sys->pf_get_handle( &omx_handle, psz_component,
 578                                       p_dec, &callbacks );
 579     if(omx_error != OMX_ErrorNone)
 580     {
 581         msg_Warn( p_dec, "OMX_GetHandle(%s) failed (%x: %s)", psz_component,
 582                   omx_error, ErrorToString(omx_error) );
 583         return omx_error;
 584     }
 585     strncpy(p_sys->psz_component, psz_component, OMX_MAX_STRINGNAME_SIZE-1);
 586
 587     omx_error = OMX_ComponentRoleEnum(omx_handle, psz_role, 0);
 588     if(omx_error == OMX_ErrorNone)
 589         msg_Dbg(p_dec, "loaded component %s of role %s", psz_component, psz_role);
 590     else
 591         msg_Dbg(p_dec, "loaded component %s", psz_component);
 592     PrintOmx(p_dec, omx_handle, OMX_ALL);
 593
 594     /* Set component role */
 595     OMX_INIT_STRUCTURE(role);
 596     strcpy((char*)role.cRole,
 597            GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec : p_dec->fmt_in.i_codec,
 598                       p_dec->fmt_in.i_cat, p_sys->b_enc));
 599
 600     omx_error = OMX_SetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 601                                  &role);
 602     omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 603                                  &role);
 604     if(omx_error == OMX_ErrorNone)
 605         msg_Dbg(p_dec, "component standard role set to %s", role.cRole);
 606
 607     /* Find the input / output ports */
 608     OMX_INIT_STRUCTURE(param);
 609     OMX_INIT_STRUCTURE(definition);
 610     omx_error = OMX_GetParameter(omx_handle, p_dec->fmt_in.i_cat == VIDEO_ES ?
 611                                  OMX_IndexParamVideoInit : OMX_IndexParamAudioInit, &param);
 612     if(omx_error != OMX_ErrorNone) param.nPorts = 0;
 613
 614     for(i = 0; i < param.nPorts; i++)
 615     {
 616         OmxPort *p_port;
 617
 618         /* Get port definition */
 619         definition.nPortIndex = param.nStartPortNumber + i;
 620         omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamPortDefinition,
 621                                      &definition);
 622         if(omx_error != OMX_ErrorNone) continue;
 623
 624         if(definition.eDir == OMX_DirInput) p_port = &p_sys->in;
 625         else  p_port = &p_sys->out;
 626
 627         p_port->b_valid = true;
 628         p_port->i_port_index = definition.nPortIndex;
 629         p_port->definition = definition;
 630         p_port->omx_handle = omx_handle;
 631     }
 632
 633     if(!p_sys->in.b_valid || !p_sys->out.b_valid)
 634     {
 635         omx_error = OMX_ErrorInvalidComponent;
 636         CHECK_ERROR(omx_error, "couldn't find an input and output port");
 637     }
 638
 639     /* Set port definitions */
 640     for(i = 0; i < p_sys->ports; i++)
 641     {
 642         omx_error = SetPortDefinition(p_dec, &p_sys->p_ports[i],
 643                                       p_sys->p_ports[i].p_fmt);
 644         if(omx_error != OMX_ErrorNone) goto error;
 645     }
 646
 647     /* Allocate our array for the omx buffers and enable ports */
 648     for(i = 0; i < p_sys->ports; i++)
 649     {
 650         OmxPort *p_port = &p_sys->p_ports[i];
 651
 652         p_port->pp_buffers =
 653             malloc(p_port->definition.nBufferCountActual *
 654                    sizeof(OMX_BUFFERHEADERTYPE*));
 655         if(!p_port->pp_buffers)
 656         {
 657           omx_error = OMX_ErrorInsufficientResources;
 658           CHECK_ERROR(omx_error, "memory allocation failed");
 659         }
 660         p_port->i_buffers = p_port->definition.nBufferCountActual;
 661
 662         /* Enable port */
 663         if(!p_port->definition.bEnabled)
 664         {
 665             omx_error = OMX_SendCommand( omx_handle, OMX_CommandPortEnable,
 666                                          p_port->i_port_index, NULL);
 667             CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
 668                         (int)p_port->i_port_index, omx_error );
 669             omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 670             CHECK_ERROR(omx_error, "Wait for PortEnable on %i failed (%x)",
 671                         (int)p_port->i_port_index, omx_error );
 672         }
 673     }
 674
 675     *p_handle = omx_handle;
 676     return OMX_ErrorNone;
 677
 678  error:
 679     DeinitialiseComponent(p_dec, omx_handle);
 680     *p_handle = 0;
 681     return omx_error;
 682 }
 683
 684 /*****************************************************************************
 685  * OpenDecoder: Create the decoder instance
 686  *****************************************************************************/
 687 static int OpenDecoder( vlc_object_t *p_this )
 688 {
 689     decoder_t *p_dec = (decoder_t*)p_this;
 690     int status;
 691
 692     if( 0 || !GetOmxRole(p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat, false) )
 693         return VLC_EGENERIC;
 694
 695 #ifdef HAVE_MAEMO
 696     if( p_dec->fmt_in.i_cat != VIDEO_ES && !p_dec->b_force)
 697         return VLC_EGENERIC;
 698 #endif
 699
 700     status = OpenGeneric( p_this, false );
 701     if(status != VLC_SUCCESS) return status;
 702
 703     p_dec->pf_decode_video = DecodeVideo;
 704     p_dec->pf_decode_audio = DecodeAudio;
 705
 706     return VLC_SUCCESS;
 707 }
 708
 709 /*****************************************************************************
 710  * OpenEncoder: Create the encoder instance
 711  *****************************************************************************/
 712 static int OpenEncoder( vlc_object_t *p_this )
 713 {
 714     encoder_t *p_enc = (encoder_t*)p_this;
 715     int status;
 716
 717     if( !GetOmxRole(p_enc->fmt_out.i_codec, p_enc->fmt_in.i_cat, true) )
 718         return VLC_EGENERIC;
 719
 720     status = OpenGeneric( p_this, true );
 721     if(status != VLC_SUCCESS) return status;
 722
 723     p_enc->pf_encode_video = EncodeVideo;
 724
 725     return VLC_SUCCESS;
 726 }
 727
 728 /*****************************************************************************
 729  * OpenGeneric: Create the generic decoder/encoder instance
 730  *****************************************************************************/
 731 static int OpenGeneric( vlc_object_t *p_this, bool b_encode )
 732 {
 733     void *dll_handle = 0, *pf_init = 0, *pf_deinit = 0;
 734     void *pf_get_handle = 0, *pf_free_handle = 0, *pf_component_enum = 0;
 735     void *pf_get_roles_of_component = 0;
 736     decoder_t *p_dec = (decoder_t*)p_this;
 737     decoder_sys_t *p_sys;
 738     OMX_ERRORTYPE omx_error;
 739     OMX_BUFFERHEADERTYPE *p_header;
 740     unsigned int i, j;
 741
 742     /* Load the OMX core */
 743     for( i = 0; ppsz_dll_list[i]; i++ )
 744     {
 745         dll_handle = dll_open( ppsz_dll_list[i] );
 746         if( dll_handle ) break;
 747     }
 748     if( !dll_handle ) return VLC_EGENERIC;
 749
 750     pf_init = dlsym( dll_handle, "OMX_Init" );
 751     pf_deinit = dlsym( dll_handle, "OMX_Deinit" );
 752     pf_get_handle = dlsym( dll_handle, "OMX_GetHandle" );
 753     pf_free_handle = dlsym( dll_handle, "OMX_FreeHandle" );
 754     pf_component_enum = dlsym( dll_handle, "OMX_ComponentNameEnum" );
 755     pf_get_roles_of_component = dlsym( dll_handle, "OMX_GetRolesOfComponent" );
 756     if( !pf_init || !pf_deinit || !pf_get_handle || !pf_free_handle ||
 757         !pf_component_enum || !pf_get_roles_of_component )
 758     {
 759         msg_Warn( p_this, "cannot find OMX_* symbols in `%s' (%s)",
 760                   ppsz_dll_list[i], dlerror() );
 761         dll_close(dll_handle);
 762     }
 763
 764     if( !pf_init || !pf_deinit || !pf_get_handle || !pf_free_handle || !pf_component_enum )
 765     {
 766         dll_close(dll_handle);
 767         return VLC_EGENERIC;
 768     }
 769
 770     /* Allocate the memory needed to store the decoder's structure */
 771     if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(*p_sys)) ) == NULL )
 772     {
 773         dll_close(dll_handle);
 774         return VLC_ENOMEM;
 775     }
 776
 777     /* Initialise the thread properties */
 778     if(!b_encode)
 779     {
 780         p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
 781         p_dec->fmt_out.video = p_dec->fmt_in.video;
 782         p_dec->fmt_out.audio = p_dec->fmt_in.audio;
 783         p_dec->fmt_out.i_codec = 0;
 784     }
 785     p_sys->b_enc = b_encode;
 786     p_sys->dll_handle = dll_handle;
 787     p_sys->pf_init = pf_init;
 788     p_sys->pf_deinit = pf_deinit;
 789     p_sys->pf_get_handle = pf_get_handle;
 790     p_sys->pf_free_handle = pf_free_handle;
 791     p_sys->pf_component_enum = pf_component_enum;
 792     p_sys->pf_get_roles_of_component = pf_get_roles_of_component;
 793     p_sys->pp_last_event = &p_sys->p_events;
 794     vlc_mutex_init (&p_sys->mutex);
 795     vlc_cond_init (&p_sys->cond);
 796     vlc_mutex_init (&p_sys->lock);
 797     vlc_mutex_init (&p_sys->in.fifo.lock);
 798     vlc_cond_init (&p_sys->in.fifo.wait);
 799     p_sys->in.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pOutputPortPrivate) / sizeof(void *);
 800     p_sys->in.fifo.pp_last = &p_sys->in.fifo.p_first;
 801     p_sys->in.b_direct = false;
 802     p_sys->in.b_flushed = true;
 803     p_sys->in.p_fmt = &p_dec->fmt_in;
 804     vlc_mutex_init (&p_sys->out.fifo.lock);
 805     vlc_cond_init (&p_sys->out.fifo.wait);
 806     p_sys->out.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pInputPortPrivate) / sizeof(void *);
 807     p_sys->out.fifo.pp_last = &p_sys->out.fifo.p_first;
 808     p_sys->out.b_direct = true;
 809     p_sys->out.b_flushed = true;
 810     p_sys->out.p_fmt = &p_dec->fmt_out;
 811     p_sys->ports = 2;
 812     p_sys->p_ports = &p_sys->in;
 813
 814     msg_Dbg(p_dec, "fmt in:%4.4s, out: %4.4s", (char *)&p_dec->fmt_in.i_codec,
 815             (char *)&p_dec->fmt_out.i_codec);
 816
 817     /* Initialise the OMX core */
 818     omx_error = p_sys->pf_init();
 819     if(omx_error != OMX_ErrorNone)
 820     {
 821         msg_Warn( p_this, "OMX_Init failed (%x: %s)", omx_error,
 822                   ErrorToString(omx_error) );
 823         CloseGeneric(p_this);
 824         return VLC_EGENERIC;
 825     }
 826     p_sys->b_init = true;
 827
 828     /* Enumerate components and build a list of the one we want to try */
 829     if( !CreateComponentsList(p_dec,
 830              GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec :
 831                         p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat,
 832                         p_sys->b_enc)) )
 833     {
 834         msg_Warn( p_this, "couldn't find an omx component for codec %4.4s",
 835                   (char *)&p_dec->fmt_in.i_codec );
 836         CloseGeneric(p_this);
 837         return VLC_EGENERIC;
 838     }
 839
 840     /* Try to load and initialise a component */
 841     for(i = 0; i < p_sys->components; i++)
 842     {
 843         omx_error = InitialiseComponent(p_dec, p_sys->ppsz_components[i],
 844                                         &p_sys->omx_handle);
 845         if(omx_error == OMX_ErrorNone) break;
 846     }
 847     CHECK_ERROR(omx_error, "no component could be initialised" );
 848
 849     /* Move component to Idle then Executing state */
 850     OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet, OMX_StateIdle, 0 );
 851     CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
 852
 853     /* Allocate omx buffers */
 854     for(i = 0; i < p_sys->ports; i++)
 855     {
 856         OmxPort *p_port = &p_sys->p_ports[i];
 857
 858         for(j = 0; j < p_port->i_buffers; j++)
 859         {
 860 #if 0
 861 #define ALIGN(x,BLOCKLIGN) (((x) + BLOCKLIGN - 1) & ~(BLOCKLIGN - 1))
 862             char *p_buf = malloc(p_port->definition.nBufferSize +
 863                                  p_port->definition.nBufferAlignment);
 864             p_port->pp_buffers[i] = (void *)ALIGN((uintptr_t)p_buf, p_port->definition.nBufferAlignment);
 865 #endif
 866
 867             if(0 && p_port->b_direct)
 868                 omx_error =
 869                     OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
 870                                    p_port->i_port_index, 0,
 871                                    p_port->definition.nBufferSize, (void*)1);
 872             else
 873                 omx_error =
 874                     OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
 875                                         p_port->i_port_index, 0,
 876                                         p_port->definition.nBufferSize);
 877
 878             if(omx_error != OMX_ErrorNone) break;
 879             OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[j]);
 880         }
 881         p_port->i_buffers = j;
 882         CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
 883                     omx_error, (int)p_port->i_port_index, j );
 884     }
 885
 886     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 887     CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
 888
 889     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet,
 890                                  OMX_StateExecuting, 0);
 891     CHECK_ERROR(omx_error, "OMX_CommandStateSet Executing failed (%x)", omx_error );
 892     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 893     CHECK_ERROR(omx_error, "Wait for Executing failed (%x)", omx_error );
 894
 895     /* Send codec configuration data */
 896     if( p_dec->fmt_in.i_extra )
 897     {
 898         OMX_FIFO_GET(&p_sys->in.fifo, p_header);
 899         p_header->nFilledLen = p_dec->fmt_in.i_extra;
 900
 901         if(p_sys->in.b_direct)
 902         {
 903             p_header->pOutputPortPrivate = p_header->pBuffer;
 904             p_header->pBuffer = p_dec->fmt_in.p_extra;
 905         }
 906         else
 907         {
 908             if(p_header->nFilledLen > p_header->nAllocLen)
 909             {
 910                 msg_Dbg(p_dec, "buffer too small (%i,%i)", (int)p_header->nFilledLen,
 911                         (int)p_header->nAllocLen);
 912                 p_header->nFilledLen = p_header->nAllocLen;
 913             }
 914             memcpy(p_header->pBuffer, p_dec->fmt_in.p_extra, p_header->nFilledLen);
 915         }
 916
 917         p_header->nOffset = 0;
 918         p_header->nFlags = OMX_BUFFERFLAG_CODECCONFIG;
 919         msg_Dbg(p_dec, "sending codec config data %p, %p, %i", p_header,
 920                 p_header->pBuffer, (int)p_header->nFilledLen);
 921         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
 922     }
 923
 924     /* Get back output port definition */
 925     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
 926     if(omx_error != OMX_ErrorNone) goto error;
 927
 928     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
 929     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
 930
 931     if(p_sys->b_error) goto error;
 932
 933     p_dec->b_need_packetized = true;
 934     return VLC_SUCCESS;
 935
 936  error:
 937     CloseGeneric(p_this);
 938     return VLC_EGENERIC;
 939 }
 940
 941 /*****************************************************************************
 942  * PortReconfigure
 943  *****************************************************************************/
 944 static OMX_ERRORTYPE PortReconfigure(decoder_t *p_dec, OmxPort *p_port)
 945 {
 946     decoder_sys_t *p_sys = p_dec->p_sys;
 947     OMX_PARAM_PORTDEFINITIONTYPE definition;
 948     OMX_BUFFERHEADERTYPE *p_buffer;
 949     OMX_ERRORTYPE omx_error;
 950     unsigned int i;
 951
 952     /* Sanity checking */
 953     OMX_INIT_STRUCTURE(definition);
 954     definition.nPortIndex = p_port->i_port_index;
 955     omx_error = OMX_GetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
 956                                  &definition);
 957     if(omx_error != OMX_ErrorNone ||
 958        !definition.format.video.nFrameWidth ||
 959        !definition.format.video.nFrameHeight )
 960         return OMX_ErrorUndefined;
 961
 962     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortDisable,
 963                                  p_port->i_port_index, NULL);
 964     CHECK_ERROR(omx_error, "OMX_CommandPortDisable on %i failed (%x)",
 965                 (int)p_port->i_port_index, omx_error );
 966
 967     for(i = 0; i < p_port->i_buffers; i++)
 968     {
 969         OMX_FIFO_GET(&p_port->fifo, p_buffer);
 970         omx_error = OMX_FreeBuffer( p_sys->omx_handle,
 971                                     p_port->i_port_index, p_buffer );
 972
 973         if(omx_error != OMX_ErrorNone) break;
 974     }
 975     CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
 976                 omx_error, (int)p_port->i_port_index, i );
 977
 978     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 979     CHECK_ERROR(omx_error, "Wait for PortDisable failed (%x)", omx_error );
 980
 981     /* Get the new port definition */
 982     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
 983     if(omx_error != OMX_ErrorNone) goto error;
 984     omx_error = OMX_SetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
 985                                  &definition);
 986     CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
 987                 omx_error, ErrorToString(omx_error));
 988
 989     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortEnable,
 990                                  p_port->i_port_index, NULL);
 991     CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
 992                 (int)p_port->i_port_index, omx_error );
 993
 994     if (p_port->definition.nBufferCountActual > p_port->i_buffers) {
 995         free(p_port->pp_buffers);
 996         p_port->pp_buffers = malloc(p_port->definition.nBufferCountActual * sizeof(OMX_BUFFERHEADERTYPE*));
 997         if(!p_port->pp_buffers)
 998         {
 999             omx_error = OMX_ErrorInsufficientResources;
1000             CHECK_ERROR(omx_error, "memory allocation failed");
1001         }
1002     }
1003     p_port->i_buffers = p_port->definition.nBufferCountActual;
1004     for(i = 0; i < p_port->i_buffers; i++)
1005     {
1006         if(0 && p_port->b_direct)
1007             omx_error =
1008                 OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1009                                p_port->i_port_index, 0,
1010                                p_port->definition.nBufferSize, (void*)1);
1011         else
1012             omx_error =
1013                 OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1014                                     p_port->i_port_index, 0,
1015                                     p_port->definition.nBufferSize);
1016
1017         if(omx_error != OMX_ErrorNone) break;
1018         OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[i]);
1019     }
1020     p_port->i_buffers = i;
1021     CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
1022                 omx_error, (int)p_port->i_port_index, i );
1023
1024     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1025     CHECK_ERROR(omx_error, "Wait for PortEnable failed (%x)", omx_error );
1026
1027     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
1028     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
1029
1030  error:
1031     return omx_error;
1032 }
1033
1034 /*****************************************************************************
1035  * DecodeVideo: Called to decode one frame
1036  *****************************************************************************/
1037 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
1038 {
1039     decoder_sys_t *p_sys = p_dec->p_sys;
1040     picture_t *p_pic = NULL, *p_next_pic;
1041     OMX_ERRORTYPE omx_error;
1042     unsigned int i;
1043
1044     OMX_BUFFERHEADERTYPE *p_header;
1045     block_t *p_block;
1046
1047     if( !pp_block || !*pp_block )
1048         return NULL;
1049
1050     p_block = *pp_block;
1051
1052     /* Check for errors from codec */
1053     if(p_sys->b_error)
1054     {
1055         msg_Dbg(p_dec, "error during decoding");
1056         block_Release( p_block );
1057         return 0;
1058     }
1059
1060     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1061     {
1062         block_Release( p_block );
1063         if(!p_sys->in.b_flushed)
1064         {
1065             msg_Dbg(p_dec, "flushing");
1066             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1067                              p_sys->in.definition.nPortIndex, 0 );
1068         }
1069         p_sys->in.b_flushed = true;
1070         return NULL;
1071     }
1072
1073     /* Take care of decoded frames first */
1074     while(!p_pic)
1075     {
1076         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1077         if(!p_header) break; /* No frame available */
1078
1079         if(p_header->nFilledLen)
1080         {
1081             p_pic = p_header->pAppPrivate;
1082             if(!p_pic)
1083             {
1084                 /* We're not in direct rendering mode.
1085                  * Get a new picture and copy the content */
1086                 p_pic = decoder_NewPicture( p_dec );
1087                 if( !p_pic ) break; /* No picture available */
1088
1089                 CopyOmxPicture(p_dec, p_pic, p_header, p_sys->out.definition.format.video.nSliceHeight);
1090             }
1091
1092             p_pic->date = p_header->nTimeStamp;
1093             p_header->nFilledLen = 0;
1094             p_header->pAppPrivate = 0;
1095         }
1096
1097         /* Get a new picture */
1098         if(p_sys->in.b_direct && !p_header->pAppPrivate)
1099         {
1100             p_next_pic = decoder_NewPicture( p_dec );
1101             if(!p_next_pic) break;
1102
1103             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1104             p_header->pAppPrivate = p_next_pic;
1105             p_header->pInputPortPrivate = p_header->pBuffer;
1106             p_header->pBuffer = p_next_pic->p[0].p_pixels;
1107         }
1108         else
1109         {
1110             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1111         }
1112
1113 #ifdef OMXIL_EXTRA_DEBUG
1114         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1115 #endif
1116         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1117     }
1118
1119     /* Send the input buffer to the component */
1120     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1121
1122     if (p_header && p_header->nFlags & OMX_BUFFERFLAG_EOS)
1123         goto reconfig;
1124
1125     if(p_header)
1126     {
1127         p_header->nFilledLen = p_block->i_buffer;
1128         p_header->nOffset = 0;
1129         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1130         p_header->nTimeStamp = p_block->i_dts;
1131
1132         /* In direct mode we pass the input pointer as is.
1133          * Otherwise we memcopy the data */
1134         if(p_sys->in.b_direct)
1135         {
1136             p_header->pOutputPortPrivate = p_header->pBuffer;
1137             p_header->pBuffer = p_block->p_buffer;
1138             p_header->pAppPrivate = p_block;
1139         }
1140         else
1141         {
1142             if(p_header->nFilledLen > p_header->nAllocLen)
1143             {
1144                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1145                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1146                 p_header->nFilledLen = p_header->nAllocLen;
1147             }
1148             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1149             block_Release(p_block);
1150         }
1151
1152 #ifdef OMXIL_EXTRA_DEBUG
1153         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1154                  (int)p_header->nFilledLen );
1155 #endif
1156         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1157         p_sys->in.b_flushed = false;
1158         *pp_block = NULL; /* Avoid being fed the same packet again */
1159     }
1160
1161 reconfig:
1162     /* Handle the PortSettingsChanged events */
1163     for(i = 0; i < p_sys->ports; i++)
1164     {
1165         OmxPort *p_port = &p_sys->p_ports[i];
1166         if(!p_port->b_reconfigure) continue;
1167         p_port->b_reconfigure = 0;
1168         omx_error = PortReconfigure(p_dec, p_port);
1169     }
1170
1171     return p_pic;
1172 }
1173
1174 /*****************************************************************************
1175  * DecodeAudio: Called to decode one frame
1176  *****************************************************************************/
1177 aout_buffer_t *DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
1178 {
1179     decoder_sys_t *p_sys = p_dec->p_sys;
1180     aout_buffer_t *p_buffer = 0;
1181     OMX_BUFFERHEADERTYPE *p_header;
1182     OMX_ERRORTYPE omx_error;
1183     block_t *p_block;
1184     unsigned int i;
1185
1186     if( !pp_block || !*pp_block ) return NULL;
1187
1188     p_block = *pp_block;
1189
1190     /* Check for errors from codec */
1191     if(p_sys->b_error)
1192     {
1193         msg_Dbg(p_dec, "error during decoding");
1194         block_Release( p_block );
1195         return 0;
1196     }
1197
1198     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1199     {
1200         block_Release( p_block );
1201         date_Set( &p_sys->end_date, 0 );
1202         if(!p_sys->in.b_flushed)
1203         {
1204             msg_Dbg(p_dec, "flushing");
1205             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1206                              p_sys->in.definition.nPortIndex, 0 );
1207         }
1208         p_sys->in.b_flushed = true;
1209         return NULL;
1210     }
1211
1212     if( !date_Get( &p_sys->end_date ) )
1213     {
1214         if( !p_block->i_pts )
1215         {
1216             /* We've just started the stream, wait for the first PTS. */
1217             block_Release( p_block );
1218             return NULL;
1219         }
1220         date_Set( &p_sys->end_date, p_block->i_pts );
1221     }
1222
1223     /* Take care of decoded frames first */
1224     while(!p_buffer)
1225     {
1226         unsigned int i_samples;
1227
1228         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1229         if(!p_header) break; /* No frame available */
1230
1231         i_samples = p_header->nFilledLen / p_sys->out.p_fmt->audio.i_channels / 2;
1232         if(i_samples)
1233         {
1234             p_buffer = decoder_NewAudioBuffer( p_dec, i_samples );
1235             if( !p_buffer ) break; /* No audio buffer available */
1236
1237             memcpy( p_buffer->p_buffer, p_header->pBuffer, p_buffer->i_buffer );
1238             p_header->nFilledLen = 0;
1239
1240             if( p_header->nTimeStamp != 0 &&
1241                 p_header->nTimeStamp != date_Get( &p_sys->end_date ) )
1242                 date_Set( &p_sys->end_date, p_header->nTimeStamp );
1243
1244             p_buffer->i_pts = date_Get( &p_sys->end_date );
1245             p_buffer->i_length = date_Increment( &p_sys->end_date, i_samples ) -
1246                 p_buffer->i_pts;
1247         }
1248
1249 #ifdef OMXIL_EXTRA_DEBUG
1250         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1251 #endif
1252         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1253         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1254     }
1255
1256
1257     /* Send the input buffer to the component */
1258     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1259     if(p_header)
1260     {
1261         p_header->nFilledLen = p_block->i_buffer;
1262         p_header->nOffset = 0;
1263         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1264         p_header->nTimeStamp = p_block->i_dts;
1265
1266         /* In direct mode we pass the input pointer as is.
1267          * Otherwise we memcopy the data */
1268         if(p_sys->in.b_direct)
1269         {
1270             p_header->pOutputPortPrivate = p_header->pBuffer;
1271             p_header->pBuffer = p_block->p_buffer;
1272             p_header->pAppPrivate = p_block;
1273         }
1274         else
1275         {
1276             if(p_header->nFilledLen > p_header->nAllocLen)
1277             {
1278                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1279                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1280                 p_header->nFilledLen = p_header->nAllocLen;
1281             }
1282             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1283             block_Release(p_block);
1284         }
1285
1286 #ifdef OMXIL_EXTRA_DEBUG
1287         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1288                  (int)p_header->nFilledLen );
1289 #endif
1290         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1291         p_sys->in.b_flushed = false;
1292         *pp_block = NULL; /* Avoid being fed the same packet again */
1293     }
1294
1295     /* Handle the PortSettingsChanged events */
1296     for(i = 0; i < p_sys->ports; i++)
1297     {
1298         OmxPort *p_port = &p_sys->p_ports[i];
1299         if(!p_port->b_reconfigure) continue;
1300         p_port->b_reconfigure = 0;
1301         omx_error = PortReconfigure(p_dec, p_port);
1302     }
1303
1304     return p_buffer;
1305 }
1306
1307 /*****************************************************************************
1308  * EncodeVideo: Called to encode one frame
1309  *****************************************************************************/
1310 static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pic )
1311 {
1312     decoder_t *p_dec = ( decoder_t *)p_enc;
1313     decoder_sys_t *p_sys = p_dec->p_sys;
1314     OMX_ERRORTYPE omx_error;
1315     unsigned int i;
1316
1317     OMX_BUFFERHEADERTYPE *p_header;
1318     block_t *p_block = 0;
1319
1320     if( !p_pic ) return NULL;
1321
1322     /* Check for errors from codec */
1323     if(p_sys->b_error)
1324     {
1325         msg_Dbg(p_dec, "error during encoding");
1326         return NULL;
1327     }
1328
1329     /* Send the input buffer to the component */
1330     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1331     if(p_header)
1332     {
1333         /* In direct mode we pass the input pointer as is.
1334          * Otherwise we memcopy the data */
1335         if(p_sys->in.b_direct)
1336         {
1337             p_header->pOutputPortPrivate = p_header->pBuffer;
1338             p_header->pBuffer = p_pic->p[0].p_pixels;
1339         }
1340         else
1341         {
1342             CopyVlcPicture(p_dec, p_header, p_pic);
1343         }
1344
1345         p_header->nFilledLen = p_sys->in.i_frame_size;
1346         p_header->nOffset = 0;
1347         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1348         p_header->nTimeStamp = p_pic->date;
1349 #ifdef OMXIL_EXTRA_DEBUG
1350         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1351                  (int)p_header->nFilledLen );
1352 #endif
1353         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1354         p_sys->in.b_flushed = false;
1355     }
1356
1357     /* Handle the PortSettingsChanged events */
1358     for(i = 0; i < p_sys->ports; i++)
1359     {
1360         OmxPort *p_port = &p_sys->p_ports[i];
1361         if(!p_port->b_reconfigure) continue;
1362         p_port->b_reconfigure = 0;
1363         omx_error = PortReconfigure(p_dec, p_port);
1364     }
1365
1366     /* Wait for the decoded frame */
1367     while(!p_block)
1368     {
1369         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1370
1371         if(p_header->nFilledLen)
1372         {
1373             if(p_header->nFlags & OMX_BUFFERFLAG_CODECCONFIG)
1374             {
1375                 /* TODO: need to store codec config */
1376                 msg_Dbg(p_dec, "received codec config %i", (int)p_header->nFilledLen);
1377             }
1378
1379             p_block = p_header->pAppPrivate;
1380             if(!p_block)
1381             {
1382                 /* We're not in direct rendering mode.
1383                  * Get a new block and copy the content */
1384                 p_block = block_New( p_dec, p_header->nFilledLen );
1385                 memcpy(p_block->p_buffer, p_header->pBuffer, p_header->nFilledLen );
1386             }
1387
1388             p_block->i_buffer = p_header->nFilledLen;
1389             p_block->i_pts = p_block->i_dts = p_header->nTimeStamp;
1390             p_header->nFilledLen = 0;
1391             p_header->pAppPrivate = 0;
1392         }
1393
1394 #ifdef OMXIL_EXTRA_DEBUG
1395         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1396 #endif
1397         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1398     }
1399
1400     msg_Dbg(p_dec, "done");
1401     return p_block;
1402 }
1403
1404 /*****************************************************************************
1405  * CloseGeneric: omxil decoder destruction
1406  *****************************************************************************/
1407 static void CloseGeneric( vlc_object_t *p_this )
1408 {
1409     decoder_t *p_dec = (decoder_t *)p_this;
1410     decoder_sys_t *p_sys = p_dec->p_sys;
1411
1412     if(p_sys->omx_handle) DeinitialiseComponent(p_dec, p_sys->omx_handle);
1413     if(p_sys->b_init) p_sys->pf_deinit();
1414     dll_close( p_sys->dll_handle );
1415
1416     vlc_mutex_destroy (&p_sys->mutex);
1417     vlc_cond_destroy (&p_sys->cond);
1418     vlc_mutex_destroy (&p_sys->in.fifo.lock);
1419     vlc_cond_destroy (&p_sys->in.fifo.wait);
1420     vlc_mutex_destroy (&p_sys->out.fifo.lock);
1421     vlc_cond_destroy (&p_sys->out.fifo.wait);
1422
1423     free( p_sys );
1424 }
1425
1426 /*****************************************************************************
1427  * OmxEventHandler:
1428  *****************************************************************************/
1429 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE omx_handle,
1430     OMX_PTR app_data, OMX_EVENTTYPE event, OMX_U32 data_1,
1431     OMX_U32 data_2, OMX_PTR event_data )
1432 {
1433     decoder_t *p_dec = (decoder_t *)app_data;
1434     decoder_sys_t *p_sys = p_dec->p_sys;
1435     unsigned int i;
1436     (void)omx_handle;
1437
1438     switch (event)
1439     {
1440     case OMX_EventCmdComplete:
1441         switch ((OMX_STATETYPE)data_1)
1442         {
1443         case OMX_CommandStateSet:
1444             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %s)", EventToString(event),
1445                      CommandToString(data_1), StateToString(data_2) );
1446             break;
1447
1448         default:
1449             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u)", EventToString(event),
1450                      CommandToString(data_1), (unsigned int)data_2 );
1451             break;
1452         }
1453         break;
1454
1455     case OMX_EventError:
1456         msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u, %s)", EventToString(event),
1457                  ErrorToString((OMX_ERRORTYPE)data_1), (unsigned int)data_2,
1458                  (const char *)event_data);
1459         //p_sys->b_error = true;
1460         break;
1461
1462     case OMX_EventPortSettingsChanged:
1463         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1464                  (unsigned int)data_1, (unsigned int)data_2 );
1465         for(i = 0; i < p_sys->ports; i++)
1466             if(p_sys->p_ports[i].definition.eDir == OMX_DirOutput)
1467                 p_sys->p_ports[i].b_reconfigure = true;
1468         memset(&p_sys->sentinel_buffer, 0, sizeof(p_sys->sentinel_buffer));
1469         p_sys->sentinel_buffer.nFlags = OMX_BUFFERFLAG_EOS;
1470         OMX_FIFO_PUT(&p_sys->in.fifo, &p_sys->sentinel_buffer);
1471         break;
1472
1473     default:
1474         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1475                  (unsigned int)data_1, (unsigned int)data_2 );
1476         break;
1477     }
1478
1479     PostOmxEvent(p_dec, event, data_1, data_2, event_data);
1480     return OMX_ErrorNone;
1481 }
1482
1483 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE omx_handle,
1484     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1485 {
1486     decoder_t *p_dec = (decoder_t *)app_data;
1487     decoder_sys_t *p_sys = p_dec->p_sys;
1488     (void)omx_handle;
1489
1490 #ifdef OMXIL_EXTRA_DEBUG
1491     msg_Dbg( p_dec, "OmxEmptyBufferDone %p, %p", omx_header, omx_header->pBuffer );
1492 #endif
1493
1494     if(omx_header->pAppPrivate || omx_header->pOutputPortPrivate)
1495     {
1496         block_t *p_block = (block_t *)omx_header->pAppPrivate;
1497         omx_header->pBuffer = omx_header->pOutputPortPrivate;
1498         if(p_block) block_Release(p_block);
1499         omx_header->pAppPrivate = 0;
1500     }
1501     OMX_FIFO_PUT(&p_sys->in.fifo, omx_header);
1502
1503     return OMX_ErrorNone;
1504 }
1505
1506 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE omx_handle,
1507     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1508 {
1509     decoder_t *p_dec = (decoder_t *)app_data;
1510     decoder_sys_t *p_sys = p_dec->p_sys;
1511     (void)omx_handle;
1512
1513 #ifdef OMXIL_EXTRA_DEBUG
1514     msg_Dbg( p_dec, "OmxFillBufferDone %p, %p, %i", omx_header, omx_header->pBuffer,
1515              (int)omx_header->nFilledLen );
1516 #endif
1517
1518     if(omx_header->pInputPortPrivate)
1519     {
1520         omx_header->pBuffer = omx_header->pInputPortPrivate;
1521     }
1522     OMX_FIFO_PUT(&p_sys->out.fifo, omx_header);
1523
1524     return OMX_ErrorNone;
1525 }