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 #include "../h264_nal.h"
  49
  50 #include "omxil.h"
  51
  52 //#define OMXIL_EXTRA_DEBUG
  53
  54 /*****************************************************************************
  55  * List of OpenMAX IL core we will try in order
  56  *****************************************************************************/
  57 static const char *ppsz_dll_list[] =
  58 {
  59     "libOMX_Core.so", /* TI OMAP IL core */
  60     "libOmxCore.so", /* Qualcomm IL core */
  61     "libomxil-bellagio.so",  /* Bellagio IL core */
  62     0
  63 };
  64
  65 /*****************************************************************************
  66  * Local prototypes
  67  *****************************************************************************/
  68 static int  OpenDecoder( vlc_object_t * );
  69 static int  OpenEncoder( vlc_object_t * );
  70 static int  OpenGeneric( vlc_object_t *, bool b_encode );
  71 static void CloseGeneric( vlc_object_t * );
  72
  73 static picture_t *DecodeVideo( decoder_t *, block_t ** );
  74 static aout_buffer_t *DecodeAudio ( decoder_t *, block_t ** );
  75 static block_t *EncodeVideo( encoder_t *, picture_t * );
  76
  77 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE, OMX_PTR, OMX_EVENTTYPE,
  78                                       OMX_U32, OMX_U32, OMX_PTR );
  79 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE, OMX_PTR,
  80                                          OMX_BUFFERHEADERTYPE * );
  81 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE, OMX_PTR,
  82                                         OMX_BUFFERHEADERTYPE * );
  83
  84 /*****************************************************************************
  85  * Module descriptor
  86  *****************************************************************************/
  87 vlc_module_begin ()
  88     set_description( N_("Audio/Video decoder (using OpenMAX IL)") )
  89     set_category( CAT_INPUT )
  90     set_subcategory( SUBCAT_INPUT_VCODEC )
  91     set_section( N_("Decoding") , NULL )
  92 #ifdef HAVE_MAEMO
  93     set_capability( "decoder", 80 )
  94 #else
  95     set_capability( "decoder", 0 )
  96 #endif
  97     set_callbacks( OpenDecoder, CloseGeneric )
  98
  99     add_submodule ()
 100     set_section( N_("Encoding") , NULL )
 101     set_description( N_("Video encoder (using OpenMAX IL)") )
 102     set_capability( "encoder", 0 )
 103     set_callbacks( OpenEncoder, CloseGeneric )
 104 vlc_module_end ()
 105
 106 /*****************************************************************************
 107  * CreateComponentsList: creates a list of components matching the given role
 108  *****************************************************************************/
 109 static int CreateComponentsList(decoder_t *p_dec, const char *psz_role)
 110 {
 111     decoder_sys_t *p_sys = p_dec->p_sys;
 112     char psz_name[OMX_MAX_STRINGNAME_SIZE];
 113     OMX_ERRORTYPE omx_error;
 114     OMX_U32 roles = 0;
 115     OMX_U8 **ppsz_roles = 0;
 116     unsigned int i, j, len;
 117
 118     if(!psz_role) goto end;
 119     len = strlen(psz_role);
 120
 121     for( i = 0; ; i++ )
 122     {
 123         bool b_found = false;
 124
 125         omx_error = p_sys->pf_component_enum(psz_name, OMX_MAX_STRINGNAME_SIZE, i);
 126         if(omx_error != OMX_ErrorNone) break;
 127
 128         msg_Dbg(p_dec, "component %s", psz_name);
 129
 130         omx_error = p_sys->pf_get_roles_of_component(psz_name, &roles, 0);
 131         if(omx_error != OMX_ErrorNone || !roles) continue;
 132
 133         ppsz_roles = malloc(roles * (sizeof(OMX_U8*) + OMX_MAX_STRINGNAME_SIZE));
 134         if(!ppsz_roles) continue;
 135
 136         for( j = 0; j < roles; j++ )
 137             ppsz_roles[j] = ((OMX_U8 *)(&ppsz_roles[roles])) +
 138                 j * OMX_MAX_STRINGNAME_SIZE;
 139
 140         omx_error = p_sys->pf_get_roles_of_component(psz_name, &roles, ppsz_roles);
 141         if(omx_error != OMX_ErrorNone) roles = 0;
 142
 143         for(j = 0; j < roles; j++)
 144         {
 145             msg_Dbg(p_dec, "  - role: %s", ppsz_roles[j]);
 146             if(!strncmp((char *)ppsz_roles[j], psz_role, len)) b_found = true;
 147         }
 148
 149         free(ppsz_roles);
 150
 151         if(!b_found) continue;
 152
 153         if(p_sys->components >= MAX_COMPONENTS_LIST_SIZE)
 154         {
 155             msg_Dbg(p_dec, "too many matching components");
 156             continue;
 157         }
 158
 159         strncpy(p_sys->ppsz_components[p_sys->components], psz_name,
 160                 OMX_MAX_STRINGNAME_SIZE-1);
 161         p_sys->components++;
 162     }
 163
 164  end:
 165     msg_Dbg(p_dec, "found %i matching components for role %s",
 166             p_sys->components, psz_role);
 167     for( i = 0; i < p_sys->components; i++ )
 168         msg_Dbg(p_dec, "- %s", p_sys->ppsz_components[i]);
 169
 170     return p_sys->components;
 171 }
 172
 173 /*****************************************************************************
 174  * ImplementationSpecificWorkarounds: place-holder for implementation
 175  * specific workarounds
 176  *****************************************************************************/
 177 static OMX_ERRORTYPE ImplementationSpecificWorkarounds(decoder_t *p_dec,
 178     OmxPort *p_port, es_format_t *p_fmt)
 179 {
 180     decoder_sys_t *p_sys = p_dec->p_sys;
 181     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 182     int i_profile = 0xFFFF, i_level = 0xFFFF;
 183
 184     /* Try to find out the profile of the video */
 185     while(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 186           p_fmt->i_codec == VLC_CODEC_H264)
 187     {
 188         uint8_t *p = (uint8_t*)p_dec->fmt_in.p_extra;
 189         if(!p || !p_dec->fmt_in.p_extra) break;
 190
 191         /* Check the profile / level */
 192         if(p_dec->fmt_in.i_original_fourcc == VLC_FOURCC('a','v','c','1') &&
 193            p[0] == 1)
 194         {
 195             if(p_dec->fmt_in.i_extra < 12) break;
 196             p_sys->i_nal_size_length = 1 + (p[4]&0x03);
 197             if( !(p[5]&0x1f) ) break;
 198             p += 8;
 199         }
 200         else
 201         {
 202             if(p_dec->fmt_in.i_extra < 8) break;
 203             if(!p[0] && !p[1] && !p[2] && p[3] == 1) p += 4;
 204             else if(!p[0] && !p[1] && p[2] == 1) p += 3;
 205             else break;
 206         }
 207
 208         if( ((*p++)&0x1f) != 7) break;
 209
 210         /* Get profile/level out of first SPS */
 211         i_profile = p[0];
 212         i_level = p[2];
 213         break;
 214     }
 215
 216     if(!strcmp(p_sys->psz_component, "OMX.TI.Video.Decoder"))
 217     {
 218         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 219            p_fmt->i_codec == VLC_CODEC_H264 &&
 220            (i_profile != 66 || i_level > 30))
 221         {
 222             msg_Dbg(p_dec, "h264 profile/level not supported (0x%x, 0x%x)",
 223                     i_profile, i_level);
 224             return OMX_ErrorNotImplemented;
 225         }
 226
 227         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirOutput &&
 228            p_fmt->i_codec == VLC_CODEC_I420)
 229         {
 230             /* I420 xvideo is slow on OMAP */
 231             def->format.video.eColorFormat = OMX_COLOR_FormatCbYCrY;
 232             GetVlcChromaFormat( def->format.video.eColorFormat,
 233                                 &p_fmt->i_codec, 0 );
 234             GetVlcChromaSizes( p_fmt->i_codec,
 235                                def->format.video.nFrameWidth,
 236                                def->format.video.nFrameHeight,
 237                                &p_port->i_frame_size, &p_port->i_frame_stride,
 238                                &p_port->i_frame_stride_chroma_div );
 239             def->format.video.nStride = p_port->i_frame_stride;
 240             def->nBufferSize = p_port->i_frame_size;
 241         }
 242     }
 243     else if(!strcmp(p_sys->psz_component, "OMX.st.video_encoder"))
 244     {
 245         if(p_fmt->i_cat == VIDEO_ES)
 246         {
 247             /* Bellagio's encoder doesn't encode the framerate in Q16 */
 248             def->format.video.xFramerate >>= 16;
 249         }
 250     }
 251
 252     return OMX_ErrorNone;
 253 }
 254
 255 /*****************************************************************************
 256  * SetPortDefinition: set definition of the omx port based on the vlc format
 257  *****************************************************************************/
 258 static OMX_ERRORTYPE SetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 259                                        es_format_t *p_fmt)
 260 {
 261     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 262     OMX_ERRORTYPE omx_error;
 263
 264     omx_error = OMX_GetParameter(p_port->omx_handle,
 265                                  OMX_IndexParamPortDefinition, def);
 266     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 267                 omx_error, ErrorToString(omx_error));
 268
 269     switch(p_fmt->i_cat)
 270     {
 271     case VIDEO_ES:
 272         def->format.video.nFrameWidth = p_fmt->video.i_width;
 273         def->format.video.nFrameHeight = p_fmt->video.i_height;
 274         if(def->format.video.eCompressionFormat == OMX_VIDEO_CodingUnused)
 275             def->format.video.nStride = def->format.video.nFrameWidth;
 276         if( p_fmt->video.i_frame_rate > 0 &&
 277             p_fmt->video.i_frame_rate_base > 0 )
 278             def->format.video.xFramerate = (p_fmt->video.i_frame_rate << 16) /
 279                 p_fmt->video.i_frame_rate_base;
 280
 281         if(def->eDir == OMX_DirInput || p_dec->p_sys->b_enc)
 282         {
 283             def->nBufferSize = def->format.video.nFrameWidth *
 284               def->format.video.nFrameHeight * 2;
 285             p_port->i_frame_size = def->nBufferSize;
 286
 287             if(!GetOmxVideoFormat(p_fmt->i_codec,
 288                                   &def->format.video.eCompressionFormat, 0) )
 289             {
 290                 if(!GetOmxChromaFormat(p_fmt->i_codec,
 291                                        &def->format.video.eColorFormat, 0) )
 292                 {
 293                     omx_error = OMX_ErrorNotImplemented;
 294                     CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 295                                 (char *)&p_fmt->i_codec );
 296                 }
 297                 GetVlcChromaSizes( p_fmt->i_codec,
 298                                    def->format.video.nFrameWidth,
 299                                    def->format.video.nFrameHeight,
 300                                    &p_port->i_frame_size, &p_port->i_frame_stride,
 301                                    &p_port->i_frame_stride_chroma_div );
 302                 def->format.video.nStride = p_port->i_frame_stride;
 303                 def->nBufferSize = p_port->i_frame_size;
 304             }
 305         }
 306         else
 307         {
 308             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 309                                      &p_fmt->i_codec, 0 ) )
 310             {
 311                 omx_error = OMX_ErrorNotImplemented;
 312                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 313                             (int)def->format.video.eColorFormat );
 314             }
 315             GetVlcChromaSizes( p_fmt->i_codec,
 316                                def->format.video.nFrameWidth,
 317                                def->format.video.nFrameHeight,
 318                                &p_port->i_frame_size, &p_port->i_frame_stride,
 319                                &p_port->i_frame_stride_chroma_div );
 320             def->format.video.nStride = p_port->i_frame_stride;
 321             def->nBufferSize = p_port->i_frame_size;
 322         }
 323         break;
 324
 325     case AUDIO_ES:
 326         p_port->i_frame_size = def->nBufferSize;
 327         if(def->eDir == OMX_DirInput)
 328         {
 329             if(!GetOmxAudioFormat(p_fmt->i_codec,
 330                                   &def->format.audio.eEncoding, 0) )
 331             {
 332                 omx_error = OMX_ErrorNotImplemented;
 333                 CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 334                             (char *)&p_fmt->i_codec );
 335             }
 336         }
 337         else
 338         {
 339             if( !GetVlcAudioFormat(def->format.audio.eEncoding,
 340                                    &p_fmt->i_codec, 0 ) )
 341             {
 342                 omx_error = OMX_ErrorNotImplemented;
 343                 CHECK_ERROR(omx_error, "OMX audio encoding %i not supported",
 344                             (int)def->format.audio.eEncoding );
 345             }
 346         }
 347         break;
 348
 349     default: return OMX_ErrorNotImplemented;
 350     }
 351
 352     omx_error = ImplementationSpecificWorkarounds(p_dec, p_port, p_fmt);
 353     CHECK_ERROR(omx_error, "ImplementationSpecificWorkarounds failed (%x : %s)",
 354                 omx_error, ErrorToString(omx_error));
 355
 356     omx_error = OMX_SetParameter(p_port->omx_handle,
 357                                  OMX_IndexParamPortDefinition, def);
 358     CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
 359                 omx_error, ErrorToString(omx_error));
 360
 361     omx_error = OMX_GetParameter(p_port->omx_handle,
 362                                  OMX_IndexParamPortDefinition, def);
 363     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 364                 omx_error, ErrorToString(omx_error));
 365
 366     if(p_port->i_frame_size > def->nBufferSize)
 367         def->nBufferSize = p_port->i_frame_size;
 368     p_port->i_frame_size = def->nBufferSize;
 369
 370     /* Deal with audio params */
 371     if(p_fmt->i_cat == AUDIO_ES)
 372     {
 373         omx_error = SetAudioParameters(p_port->omx_handle,
 374                                        &p_port->format_param, def->nPortIndex,
 375                                        def->format.audio.eEncoding,
 376                                        p_fmt->audio.i_channels,
 377                                        p_fmt->audio.i_rate,
 378                                        p_fmt->i_bitrate,
 379                                        p_fmt->audio.i_bitspersample,
 380                                        p_fmt->audio.i_blockalign);
 381         CHECK_ERROR(omx_error, "SetAudioParameters failed (%x : %s)",
 382                     omx_error, ErrorToString(omx_error));
 383     }
 384
 385  error:
 386     return omx_error;
 387 }
 388
 389 /*****************************************************************************
 390  * GetPortDefinition: set vlc format based on the definition of the omx port
 391  *****************************************************************************/
 392 static OMX_ERRORTYPE GetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 393                                        es_format_t *p_fmt)
 394 {
 395     decoder_sys_t *p_sys = p_dec->p_sys;
 396     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 397     OMX_ERRORTYPE omx_error;
 398
 399     omx_error = OMX_GetParameter(p_port->omx_handle,
 400                                  OMX_IndexParamPortDefinition, def);
 401     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 402                 omx_error, ErrorToString(omx_error));
 403
 404     switch(p_fmt->i_cat)
 405     {
 406     case VIDEO_ES:
 407         p_fmt->video.i_width = def->format.video.nFrameWidth;
 408         p_fmt->video.i_visible_width = def->format.video.nFrameWidth;
 409         p_fmt->video.i_height = def->format.video.nFrameHeight;
 410         p_fmt->video.i_visible_height = def->format.video.nFrameHeight;
 411         p_fmt->video.i_frame_rate = p_dec->fmt_in.video.i_frame_rate;
 412         p_fmt->video.i_frame_rate_base = p_dec->fmt_in.video.i_frame_rate_base;
 413
 414         /* Hack: Nexus One (stock firmware with binary OMX driver blob)
 415          * claims to output 420Planar even though it in in practice is
 416          * NV21. */
 417         if(def->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar &&
 418            !strncmp(p_sys->psz_component, "OMX.qcom.video.decoder",
 419                     strlen("OMX.qcom.video.decoder")))
 420             def->format.video.eColorFormat = OMX_QCOM_COLOR_FormatYVU420SemiPlanar;
 421
 422         if(!GetVlcVideoFormat( def->format.video.eCompressionFormat,
 423                                &p_fmt->i_codec, 0 ) )
 424         {
 425             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 426                                      &p_fmt->i_codec, 0 ) )
 427             {
 428                 omx_error = OMX_ErrorNotImplemented;
 429                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 430                             (int)def->format.video.eColorFormat );
 431             }
 432             GetVlcChromaSizes( p_fmt->i_codec,
 433                                def->format.video.nFrameWidth,
 434                                def->format.video.nFrameHeight,
 435                                &p_port->i_frame_size, &p_port->i_frame_stride,
 436                                &p_port->i_frame_stride_chroma_div );
 437         }
 438         if(p_port->i_frame_size > def->nBufferSize)
 439             def->nBufferSize = p_port->i_frame_size;
 440         p_port->i_frame_size = def->nBufferSize;
 441 #if 0
 442         if((int)p_port->i_frame_stride > def->format.video.nStride)
 443             def->format.video.nStride = p_port->i_frame_stride;
 444 #endif
 445         p_port->i_frame_stride = def->format.video.nStride;
 446         break;
 447
 448     case AUDIO_ES:
 449         if( !GetVlcAudioFormat( def->format.audio.eEncoding,
 450                                 &p_fmt->i_codec, 0 ) )
 451         {
 452             omx_error = OMX_ErrorNotImplemented;
 453             CHECK_ERROR(omx_error, "OMX audio format %i not supported",
 454                         (int)def->format.audio.eEncoding );
 455         }
 456
 457         omx_error = GetAudioParameters(p_port->omx_handle,
 458                                        &p_port->format_param, def->nPortIndex,
 459                                        def->format.audio.eEncoding,
 460                                        &p_fmt->audio.i_channels,
 461                                        &p_fmt->audio.i_rate,
 462                                        &p_fmt->i_bitrate,
 463                                        &p_fmt->audio.i_bitspersample,
 464                                        &p_fmt->audio.i_blockalign);
 465         CHECK_ERROR(omx_error, "GetAudioParameters failed (%x : %s)",
 466                     omx_error, ErrorToString(omx_error));
 467
 468         if(p_fmt->audio.i_channels < 9)
 469         {
 470             static const int pi_channels_maps[9] =
 471             {
 472                 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 473                 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 474                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
 475                 | AOUT_CHAN_REARRIGHT,
 476                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 477                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
 478                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 479                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
 480                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 481                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
 482                 | AOUT_CHAN_MIDDLERIGHT,
 483                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
 484                 | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
 485                 | AOUT_CHAN_LFE
 486             };
 487             p_fmt->audio.i_physical_channels =
 488                 p_fmt->audio.i_original_channels =
 489                     pi_channels_maps[p_fmt->audio.i_channels];
 490         }
 491
 492         date_Init( &p_dec->p_sys->end_date, p_fmt->audio.i_rate, 1 );
 493
 494         break;
 495
 496     default: return OMX_ErrorNotImplemented;
 497     }
 498
 499  error:
 500     return omx_error;
 501 }
 502
 503 /*****************************************************************************
 504  * DeinitialiseComponent: Deinitialise and unload an OMX component
 505  *****************************************************************************/
 506 static OMX_ERRORTYPE DeinitialiseComponent(decoder_t *p_dec,
 507                                            OMX_HANDLETYPE omx_handle)
 508 {
 509     decoder_sys_t *p_sys = p_dec->p_sys;
 510     OMX_ERRORTYPE omx_error;
 511     OMX_STATETYPE state;
 512     unsigned int i, j;
 513
 514     if(!omx_handle) return OMX_ErrorNone;
 515
 516     omx_error = OMX_GetState(omx_handle, &state);
 517     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 518
 519     if(state == OMX_StateExecuting)
 520     {
 521         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 522                                      OMX_StateIdle, 0 );
 523         CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
 524         omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 525         CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
 526     }
 527
 528     omx_error = OMX_GetState(omx_handle, &state);
 529     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 530
 531     if(state == OMX_StateIdle)
 532     {
 533         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 534                                      OMX_StateLoaded, 0 );
 535         CHECK_ERROR(omx_error, "OMX_CommandStateSet Loaded failed (%x)", omx_error );
 536
 537         for(i = 0; i < p_sys->ports; i++)
 538         {
 539             OmxPort *p_port = &p_sys->p_ports[i];
 540             OMX_BUFFERHEADERTYPE *p_buffer;
 541
 542             for(j = 0; j < p_port->i_buffers; j++)
 543             {
 544                 OMX_FIFO_GET(&p_port->fifo, p_buffer);
 545                 omx_error = OMX_FreeBuffer( omx_handle,
 546                                             p_port->i_port_index, p_buffer );
 547
 548                 if(omx_error != OMX_ErrorNone) break;
 549             }
 550             CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
 551                         omx_error, (int)p_port->i_port_index, j );
 552         }
 553
 554         omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 555         CHECK_ERROR(omx_error, "Wait for Loaded failed (%x)", omx_error );
 556     }
 557
 558  error:
 559     for(i = 0; i < p_sys->ports; i++)
 560     {
 561         OmxPort *p_port = &p_sys->p_ports[i];
 562         free(p_port->pp_buffers);
 563         p_port->pp_buffers = 0;
 564     }
 565     omx_error = p_sys->pf_free_handle( omx_handle );
 566     return omx_error;
 567 }
 568
 569 /*****************************************************************************
 570  * InitialiseComponent: Load and initialise an OMX component
 571  *****************************************************************************/
 572 static OMX_ERRORTYPE InitialiseComponent(decoder_t *p_dec,
 573     OMX_STRING psz_component, OMX_HANDLETYPE *p_handle)
 574 {
 575     static OMX_CALLBACKTYPE callbacks =
 576         { OmxEventHandler, OmxEmptyBufferDone, OmxFillBufferDone };
 577     decoder_sys_t *p_sys = p_dec->p_sys;
 578     OMX_HANDLETYPE omx_handle;
 579     OMX_ERRORTYPE omx_error;
 580     unsigned int i;
 581     OMX_U8 psz_role[OMX_MAX_STRINGNAME_SIZE];
 582     OMX_PARAM_COMPONENTROLETYPE role;
 583     OMX_PARAM_PORTDEFINITIONTYPE definition;
 584     OMX_PORT_PARAM_TYPE param;
 585
 586     /* Load component */
 587     omx_error = p_sys->pf_get_handle( &omx_handle, psz_component,
 588                                       p_dec, &callbacks );
 589     if(omx_error != OMX_ErrorNone)
 590     {
 591         msg_Warn( p_dec, "OMX_GetHandle(%s) failed (%x: %s)", psz_component,
 592                   omx_error, ErrorToString(omx_error) );
 593         return omx_error;
 594     }
 595     strncpy(p_sys->psz_component, psz_component, OMX_MAX_STRINGNAME_SIZE-1);
 596
 597     omx_error = OMX_ComponentRoleEnum(omx_handle, psz_role, 0);
 598     if(omx_error == OMX_ErrorNone)
 599         msg_Dbg(p_dec, "loaded component %s of role %s", psz_component, psz_role);
 600     else
 601         msg_Dbg(p_dec, "loaded component %s", psz_component);
 602     PrintOmx(p_dec, omx_handle, OMX_ALL);
 603
 604     /* Set component role */
 605     OMX_INIT_STRUCTURE(role);
 606     strcpy((char*)role.cRole,
 607            GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec : p_dec->fmt_in.i_codec,
 608                       p_dec->fmt_in.i_cat, p_sys->b_enc));
 609
 610     omx_error = OMX_SetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 611                                  &role);
 612     omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 613                                  &role);
 614     if(omx_error == OMX_ErrorNone)
 615         msg_Dbg(p_dec, "component standard role set to %s", role.cRole);
 616
 617     /* Find the input / output ports */
 618     OMX_INIT_STRUCTURE(param);
 619     OMX_INIT_STRUCTURE(definition);
 620     omx_error = OMX_GetParameter(omx_handle, p_dec->fmt_in.i_cat == VIDEO_ES ?
 621                                  OMX_IndexParamVideoInit : OMX_IndexParamAudioInit, &param);
 622     if(omx_error != OMX_ErrorNone) param.nPorts = 0;
 623
 624     for(i = 0; i < param.nPorts; i++)
 625     {
 626         OmxPort *p_port;
 627
 628         /* Get port definition */
 629         definition.nPortIndex = param.nStartPortNumber + i;
 630         omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamPortDefinition,
 631                                      &definition);
 632         if(omx_error != OMX_ErrorNone) continue;
 633
 634         if(definition.eDir == OMX_DirInput) p_port = &p_sys->in;
 635         else  p_port = &p_sys->out;
 636
 637         p_port->b_valid = true;
 638         p_port->i_port_index = definition.nPortIndex;
 639         p_port->definition = definition;
 640         p_port->omx_handle = omx_handle;
 641     }
 642
 643     if(!p_sys->in.b_valid || !p_sys->out.b_valid)
 644     {
 645         omx_error = OMX_ErrorInvalidComponent;
 646         CHECK_ERROR(omx_error, "couldn't find an input and output port");
 647     }
 648
 649     if(!strncmp(p_sys->psz_component, "OMX.SEC.", 8))
 650     {
 651         OMX_INDEXTYPE index;
 652         omx_error = OMX_GetExtensionIndex(omx_handle, (OMX_STRING) "OMX.SEC.index.ThumbnailMode", &index);
 653         if(omx_error == OMX_ErrorNone)
 654         {
 655             OMX_BOOL enable = OMX_TRUE;
 656             omx_error = OMX_SetConfig(omx_handle, index, &enable);
 657             CHECK_ERROR(omx_error, "Unable to set ThumbnailMode");
 658         }
 659     }
 660
 661     /* Set port definitions */
 662     for(i = 0; i < p_sys->ports; i++)
 663     {
 664         omx_error = SetPortDefinition(p_dec, &p_sys->p_ports[i],
 665                                       p_sys->p_ports[i].p_fmt);
 666         if(omx_error != OMX_ErrorNone) goto error;
 667     }
 668
 669     /* Allocate our array for the omx buffers and enable ports */
 670     for(i = 0; i < p_sys->ports; i++)
 671     {
 672         OmxPort *p_port = &p_sys->p_ports[i];
 673
 674         p_port->pp_buffers =
 675             malloc(p_port->definition.nBufferCountActual *
 676                    sizeof(OMX_BUFFERHEADERTYPE*));
 677         if(!p_port->pp_buffers)
 678         {
 679           omx_error = OMX_ErrorInsufficientResources;
 680           CHECK_ERROR(omx_error, "memory allocation failed");
 681         }
 682         p_port->i_buffers = p_port->definition.nBufferCountActual;
 683
 684         /* Enable port */
 685         if(!p_port->definition.bEnabled)
 686         {
 687             omx_error = OMX_SendCommand( omx_handle, OMX_CommandPortEnable,
 688                                          p_port->i_port_index, NULL);
 689             CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
 690                         (int)p_port->i_port_index, omx_error );
 691             omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 692             CHECK_ERROR(omx_error, "Wait for PortEnable on %i failed (%x)",
 693                         (int)p_port->i_port_index, omx_error );
 694         }
 695     }
 696
 697     *p_handle = omx_handle;
 698     return OMX_ErrorNone;
 699
 700  error:
 701     DeinitialiseComponent(p_dec, omx_handle);
 702     *p_handle = 0;
 703     return omx_error;
 704 }
 705
 706 /*****************************************************************************
 707  * OpenDecoder: Create the decoder instance
 708  *****************************************************************************/
 709 static int OpenDecoder( vlc_object_t *p_this )
 710 {
 711     decoder_t *p_dec = (decoder_t*)p_this;
 712     int status;
 713
 714     if( 0 || !GetOmxRole(p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat, false) )
 715         return VLC_EGENERIC;
 716
 717 #ifdef HAVE_MAEMO
 718     if( p_dec->fmt_in.i_cat != VIDEO_ES && !p_dec->b_force)
 719         return VLC_EGENERIC;
 720 #endif
 721
 722     status = OpenGeneric( p_this, false );
 723     if(status != VLC_SUCCESS) return status;
 724
 725     p_dec->pf_decode_video = DecodeVideo;
 726     p_dec->pf_decode_audio = DecodeAudio;
 727
 728     return VLC_SUCCESS;
 729 }
 730
 731 /*****************************************************************************
 732  * OpenEncoder: Create the encoder instance
 733  *****************************************************************************/
 734 static int OpenEncoder( vlc_object_t *p_this )
 735 {
 736     encoder_t *p_enc = (encoder_t*)p_this;
 737     int status;
 738
 739     if( !GetOmxRole(p_enc->fmt_out.i_codec, p_enc->fmt_in.i_cat, true) )
 740         return VLC_EGENERIC;
 741
 742     status = OpenGeneric( p_this, true );
 743     if(status != VLC_SUCCESS) return status;
 744
 745     p_enc->pf_encode_video = EncodeVideo;
 746
 747     return VLC_SUCCESS;
 748 }
 749
 750 /*****************************************************************************
 751  * OpenGeneric: Create the generic decoder/encoder instance
 752  *****************************************************************************/
 753 static int OpenGeneric( vlc_object_t *p_this, bool b_encode )
 754 {
 755     void *dll_handle = 0, *pf_init = 0, *pf_deinit = 0;
 756     void *pf_get_handle = 0, *pf_free_handle = 0, *pf_component_enum = 0;
 757     void *pf_get_roles_of_component = 0;
 758     decoder_t *p_dec = (decoder_t*)p_this;
 759     decoder_sys_t *p_sys;
 760     OMX_ERRORTYPE omx_error;
 761     OMX_BUFFERHEADERTYPE *p_header;
 762     unsigned int i, j;
 763
 764     /* Load the OMX core */
 765     for( i = 0; ppsz_dll_list[i]; i++ )
 766     {
 767         dll_handle = dll_open( ppsz_dll_list[i] );
 768         if( dll_handle ) break;
 769     }
 770     if( !dll_handle ) return VLC_EGENERIC;
 771
 772     pf_init = dlsym( dll_handle, "OMX_Init" );
 773     pf_deinit = dlsym( dll_handle, "OMX_Deinit" );
 774     pf_get_handle = dlsym( dll_handle, "OMX_GetHandle" );
 775     pf_free_handle = dlsym( dll_handle, "OMX_FreeHandle" );
 776     pf_component_enum = dlsym( dll_handle, "OMX_ComponentNameEnum" );
 777     pf_get_roles_of_component = dlsym( dll_handle, "OMX_GetRolesOfComponent" );
 778     if( !pf_init || !pf_deinit || !pf_get_handle || !pf_free_handle ||
 779         !pf_component_enum || !pf_get_roles_of_component )
 780     {
 781         msg_Warn( p_this, "cannot find OMX_* symbols in `%s' (%s)",
 782                   ppsz_dll_list[i], dlerror() );
 783         dll_close(dll_handle);
 784     }
 785
 786     if( !pf_init || !pf_deinit || !pf_get_handle || !pf_free_handle || !pf_component_enum )
 787     {
 788         dll_close(dll_handle);
 789         return VLC_EGENERIC;
 790     }
 791
 792     /* Allocate the memory needed to store the decoder's structure */
 793     if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(*p_sys)) ) == NULL )
 794     {
 795         dll_close(dll_handle);
 796         return VLC_ENOMEM;
 797     }
 798
 799     /* Initialise the thread properties */
 800     if(!b_encode)
 801     {
 802         p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
 803         p_dec->fmt_out.video = p_dec->fmt_in.video;
 804         p_dec->fmt_out.audio = p_dec->fmt_in.audio;
 805         p_dec->fmt_out.i_codec = 0;
 806     }
 807     p_sys->b_enc = b_encode;
 808     p_sys->dll_handle = dll_handle;
 809     p_sys->pf_init = pf_init;
 810     p_sys->pf_deinit = pf_deinit;
 811     p_sys->pf_get_handle = pf_get_handle;
 812     p_sys->pf_free_handle = pf_free_handle;
 813     p_sys->pf_component_enum = pf_component_enum;
 814     p_sys->pf_get_roles_of_component = pf_get_roles_of_component;
 815     p_sys->pp_last_event = &p_sys->p_events;
 816     vlc_mutex_init (&p_sys->mutex);
 817     vlc_cond_init (&p_sys->cond);
 818     vlc_mutex_init (&p_sys->lock);
 819     vlc_mutex_init (&p_sys->in.fifo.lock);
 820     vlc_cond_init (&p_sys->in.fifo.wait);
 821     p_sys->in.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pOutputPortPrivate) / sizeof(void *);
 822     p_sys->in.fifo.pp_last = &p_sys->in.fifo.p_first;
 823     p_sys->in.b_direct = false;
 824     p_sys->in.b_flushed = true;
 825     p_sys->in.p_fmt = &p_dec->fmt_in;
 826     vlc_mutex_init (&p_sys->out.fifo.lock);
 827     vlc_cond_init (&p_sys->out.fifo.wait);
 828     p_sys->out.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pInputPortPrivate) / sizeof(void *);
 829     p_sys->out.fifo.pp_last = &p_sys->out.fifo.p_first;
 830     p_sys->out.b_direct = true;
 831     p_sys->out.b_flushed = true;
 832     p_sys->out.p_fmt = &p_dec->fmt_out;
 833     p_sys->ports = 2;
 834     p_sys->p_ports = &p_sys->in;
 835
 836     msg_Dbg(p_dec, "fmt in:%4.4s, out: %4.4s", (char *)&p_dec->fmt_in.i_codec,
 837             (char *)&p_dec->fmt_out.i_codec);
 838
 839     /* Initialise the OMX core */
 840     omx_error = p_sys->pf_init();
 841     if(omx_error != OMX_ErrorNone)
 842     {
 843         msg_Warn( p_this, "OMX_Init failed (%x: %s)", omx_error,
 844                   ErrorToString(omx_error) );
 845         CloseGeneric(p_this);
 846         return VLC_EGENERIC;
 847     }
 848     p_sys->b_init = true;
 849
 850     /* Enumerate components and build a list of the one we want to try */
 851     if( !CreateComponentsList(p_dec,
 852              GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec :
 853                         p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat,
 854                         p_sys->b_enc)) )
 855     {
 856         msg_Warn( p_this, "couldn't find an omx component for codec %4.4s",
 857                   (char *)&p_dec->fmt_in.i_codec );
 858         CloseGeneric(p_this);
 859         return VLC_EGENERIC;
 860     }
 861
 862     /* Try to load and initialise a component */
 863     for(i = 0; i < p_sys->components; i++)
 864     {
 865         omx_error = InitialiseComponent(p_dec, p_sys->ppsz_components[i],
 866                                         &p_sys->omx_handle);
 867         if(omx_error == OMX_ErrorNone) break;
 868     }
 869     CHECK_ERROR(omx_error, "no component could be initialised" );
 870
 871     /* Move component to Idle then Executing state */
 872     OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet, OMX_StateIdle, 0 );
 873     CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
 874
 875     /* Allocate omx buffers */
 876     for(i = 0; i < p_sys->ports; i++)
 877     {
 878         OmxPort *p_port = &p_sys->p_ports[i];
 879
 880         for(j = 0; j < p_port->i_buffers; j++)
 881         {
 882 #if 0
 883 #define ALIGN(x,BLOCKLIGN) (((x) + BLOCKLIGN - 1) & ~(BLOCKLIGN - 1))
 884             char *p_buf = malloc(p_port->definition.nBufferSize +
 885                                  p_port->definition.nBufferAlignment);
 886             p_port->pp_buffers[i] = (void *)ALIGN((uintptr_t)p_buf, p_port->definition.nBufferAlignment);
 887 #endif
 888
 889             if(0 && p_port->b_direct)
 890                 omx_error =
 891                     OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
 892                                    p_port->i_port_index, 0,
 893                                    p_port->definition.nBufferSize, (void*)1);
 894             else
 895                 omx_error =
 896                     OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
 897                                         p_port->i_port_index, 0,
 898                                         p_port->definition.nBufferSize);
 899
 900             if(omx_error != OMX_ErrorNone) break;
 901             OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[j]);
 902         }
 903         p_port->i_buffers = j;
 904         CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
 905                     omx_error, (int)p_port->i_port_index, j );
 906     }
 907
 908     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 909     CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
 910
 911     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet,
 912                                  OMX_StateExecuting, 0);
 913     CHECK_ERROR(omx_error, "OMX_CommandStateSet Executing failed (%x)", omx_error );
 914     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 915     CHECK_ERROR(omx_error, "Wait for Executing failed (%x)", omx_error );
 916
 917     /* Send codec configuration data */
 918     if( p_dec->fmt_in.i_extra )
 919     {
 920         OMX_FIFO_GET(&p_sys->in.fifo, p_header);
 921         p_header->nFilledLen = p_dec->fmt_in.i_extra;
 922
 923         /* Convert H.264 NAL format to annex b */
 924         if( p_sys->i_nal_size_length && !p_sys->in.b_direct )
 925         {
 926             p_header->nFilledLen = 0;
 927             convert_sps_pps( p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
 928                              p_header->pBuffer, p_header->nAllocLen,
 929                              (uint32_t*) &p_header->nFilledLen, NULL );
 930         }
 931         else if(p_sys->in.b_direct)
 932         {
 933             p_header->pOutputPortPrivate = p_header->pBuffer;
 934             p_header->pBuffer = p_dec->fmt_in.p_extra;
 935         }
 936         else
 937         {
 938             if(p_header->nFilledLen > p_header->nAllocLen)
 939             {
 940                 msg_Dbg(p_dec, "buffer too small (%i,%i)", (int)p_header->nFilledLen,
 941                         (int)p_header->nAllocLen);
 942                 p_header->nFilledLen = p_header->nAllocLen;
 943             }
 944             memcpy(p_header->pBuffer, p_dec->fmt_in.p_extra, p_header->nFilledLen);
 945         }
 946
 947         p_header->nOffset = 0;
 948         p_header->nFlags = OMX_BUFFERFLAG_CODECCONFIG;
 949         msg_Dbg(p_dec, "sending codec config data %p, %p, %i", p_header,
 950                 p_header->pBuffer, (int)p_header->nFilledLen);
 951         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
 952     }
 953
 954     /* Get back output port definition */
 955     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
 956     if(omx_error != OMX_ErrorNone) goto error;
 957
 958     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
 959     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
 960
 961     if(p_sys->b_error) goto error;
 962
 963     p_dec->b_need_packetized = true;
 964     return VLC_SUCCESS;
 965
 966  error:
 967     CloseGeneric(p_this);
 968     return VLC_EGENERIC;
 969 }
 970
 971 /*****************************************************************************
 972  * PortReconfigure
 973  *****************************************************************************/
 974 static OMX_ERRORTYPE PortReconfigure(decoder_t *p_dec, OmxPort *p_port)
 975 {
 976     decoder_sys_t *p_sys = p_dec->p_sys;
 977     OMX_PARAM_PORTDEFINITIONTYPE definition;
 978     OMX_BUFFERHEADERTYPE *p_buffer;
 979     OMX_ERRORTYPE omx_error;
 980     unsigned int i;
 981
 982     /* Sanity checking */
 983     OMX_INIT_STRUCTURE(definition);
 984     definition.nPortIndex = p_port->i_port_index;
 985     omx_error = OMX_GetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
 986                                  &definition);
 987     if(omx_error != OMX_ErrorNone ||
 988        !definition.format.video.nFrameWidth ||
 989        !definition.format.video.nFrameHeight )
 990         return OMX_ErrorUndefined;
 991
 992     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortDisable,
 993                                  p_port->i_port_index, NULL);
 994     CHECK_ERROR(omx_error, "OMX_CommandPortDisable on %i failed (%x)",
 995                 (int)p_port->i_port_index, omx_error );
 996
 997     for(i = 0; i < p_port->i_buffers; i++)
 998     {
 999         OMX_FIFO_GET(&p_port->fifo, p_buffer);
1000         omx_error = OMX_FreeBuffer( p_sys->omx_handle,
1001                                     p_port->i_port_index, p_buffer );
1002
1003         if(omx_error != OMX_ErrorNone) break;
1004     }
1005     CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
1006                 omx_error, (int)p_port->i_port_index, i );
1007
1008     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1009     CHECK_ERROR(omx_error, "Wait for PortDisable failed (%x)", omx_error );
1010
1011     /* Get the new port definition */
1012     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1013     if(omx_error != OMX_ErrorNone) goto error;
1014     omx_error = OMX_SetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
1015                                  &definition);
1016     CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
1017                 omx_error, ErrorToString(omx_error));
1018
1019     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortEnable,
1020                                  p_port->i_port_index, NULL);
1021     CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
1022                 (int)p_port->i_port_index, omx_error );
1023
1024     if (p_port->definition.nBufferCountActual > p_port->i_buffers) {
1025         free(p_port->pp_buffers);
1026         p_port->pp_buffers = malloc(p_port->definition.nBufferCountActual * sizeof(OMX_BUFFERHEADERTYPE*));
1027         if(!p_port->pp_buffers)
1028         {
1029             omx_error = OMX_ErrorInsufficientResources;
1030             CHECK_ERROR(omx_error, "memory allocation failed");
1031         }
1032     }
1033     p_port->i_buffers = p_port->definition.nBufferCountActual;
1034     for(i = 0; i < p_port->i_buffers; i++)
1035     {
1036         if(0 && p_port->b_direct)
1037             omx_error =
1038                 OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1039                                p_port->i_port_index, 0,
1040                                p_port->definition.nBufferSize, (void*)1);
1041         else
1042             omx_error =
1043                 OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1044                                     p_port->i_port_index, 0,
1045                                     p_port->definition.nBufferSize);
1046
1047         if(omx_error != OMX_ErrorNone) break;
1048         OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[i]);
1049     }
1050     p_port->i_buffers = i;
1051     CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
1052                 omx_error, (int)p_port->i_port_index, i );
1053
1054     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1055     CHECK_ERROR(omx_error, "Wait for PortEnable failed (%x)", omx_error );
1056
1057     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
1058     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
1059
1060  error:
1061     return omx_error;
1062 }
1063
1064 /*****************************************************************************
1065  * DecodeVideo: Called to decode one frame
1066  *****************************************************************************/
1067 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
1068 {
1069     decoder_sys_t *p_sys = p_dec->p_sys;
1070     picture_t *p_pic = NULL, *p_next_pic;
1071     OMX_ERRORTYPE omx_error;
1072     unsigned int i;
1073
1074     OMX_BUFFERHEADERTYPE *p_header;
1075     block_t *p_block;
1076
1077     if( !pp_block || !*pp_block )
1078         return NULL;
1079
1080     p_block = *pp_block;
1081
1082     /* Check for errors from codec */
1083     if(p_sys->b_error)
1084     {
1085         msg_Dbg(p_dec, "error during decoding");
1086         block_Release( p_block );
1087         return 0;
1088     }
1089
1090     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1091     {
1092         block_Release( p_block );
1093         if(!p_sys->in.b_flushed)
1094         {
1095             msg_Dbg(p_dec, "flushing");
1096             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1097                              p_sys->in.definition.nPortIndex, 0 );
1098         }
1099         p_sys->in.b_flushed = true;
1100         return NULL;
1101     }
1102
1103     /* Take care of decoded frames first */
1104     while(!p_pic)
1105     {
1106         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1107         if(!p_header) break; /* No frame available */
1108
1109         if(p_header->nFilledLen)
1110         {
1111             p_pic = p_header->pAppPrivate;
1112             if(!p_pic)
1113             {
1114                 /* We're not in direct rendering mode.
1115                  * Get a new picture and copy the content */
1116                 p_pic = decoder_NewPicture( p_dec );
1117                 if( !p_pic ) break; /* No picture available */
1118
1119                 CopyOmxPicture(p_dec, p_pic, p_header, p_sys->out.definition.format.video.nSliceHeight);
1120             }
1121
1122             p_pic->date = p_header->nTimeStamp;
1123             p_header->nFilledLen = 0;
1124             p_header->pAppPrivate = 0;
1125         }
1126
1127         /* Get a new picture */
1128         if(p_sys->in.b_direct && !p_header->pAppPrivate)
1129         {
1130             p_next_pic = decoder_NewPicture( p_dec );
1131             if(!p_next_pic) break;
1132
1133             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1134             p_header->pAppPrivate = p_next_pic;
1135             p_header->pInputPortPrivate = p_header->pBuffer;
1136             p_header->pBuffer = p_next_pic->p[0].p_pixels;
1137         }
1138         else
1139         {
1140             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1141         }
1142
1143 #ifdef OMXIL_EXTRA_DEBUG
1144         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1145 #endif
1146         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1147     }
1148
1149     /* Send the input buffer to the component */
1150     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1151
1152     if (p_header && p_header->nFlags & OMX_BUFFERFLAG_EOS)
1153         goto reconfig;
1154
1155     if(p_header)
1156     {
1157         p_header->nFilledLen = p_block->i_buffer;
1158         p_header->nOffset = 0;
1159         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1160         p_header->nTimeStamp = p_block->i_dts;
1161
1162         /* In direct mode we pass the input pointer as is.
1163          * Otherwise we memcopy the data */
1164         if(p_sys->in.b_direct)
1165         {
1166             p_header->pOutputPortPrivate = p_header->pBuffer;
1167             p_header->pBuffer = p_block->p_buffer;
1168             p_header->pAppPrivate = p_block;
1169         }
1170         else
1171         {
1172             if(p_header->nFilledLen > p_header->nAllocLen)
1173             {
1174                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1175                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1176                 p_header->nFilledLen = p_header->nAllocLen;
1177             }
1178             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1179             block_Release(p_block);
1180         }
1181
1182         /* Convert H.264 NAL format to annex b */
1183         if( p_sys->i_nal_size_length >= 3 && p_sys->i_nal_size_length <= 4 )
1184         {
1185             /* This only works for NAL sizes 3-4 */
1186             int i_len = p_header->nFilledLen, i;
1187             uint8_t* ptr = p_header->pBuffer;
1188             while( i_len >= p_sys->i_nal_size_length )
1189             {
1190                 uint32_t nal_len = 0;
1191                 for( i = 0; i < p_sys->i_nal_size_length; i++ ) {
1192                     nal_len = (nal_len << 8) | ptr[i];
1193                     ptr[i] = 0;
1194                 }
1195                 ptr[p_sys->i_nal_size_length - 1] = 1;
1196                 if( nal_len > INT_MAX || nal_len > (unsigned int) i_len )
1197                     break;
1198                 ptr   += nal_len + 4;
1199                 i_len -= nal_len + 4;
1200             }
1201         }
1202 #ifdef OMXIL_EXTRA_DEBUG
1203         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1204                  (int)p_header->nFilledLen );
1205 #endif
1206         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1207         p_sys->in.b_flushed = false;
1208         *pp_block = NULL; /* Avoid being fed the same packet again */
1209     }
1210
1211 reconfig:
1212     /* Handle the PortSettingsChanged events */
1213     for(i = 0; i < p_sys->ports; i++)
1214     {
1215         OmxPort *p_port = &p_sys->p_ports[i];
1216         if(!p_port->b_reconfigure) continue;
1217         p_port->b_reconfigure = 0;
1218         omx_error = PortReconfigure(p_dec, p_port);
1219     }
1220
1221     return p_pic;
1222 }
1223
1224 /*****************************************************************************
1225  * DecodeAudio: Called to decode one frame
1226  *****************************************************************************/
1227 aout_buffer_t *DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
1228 {
1229     decoder_sys_t *p_sys = p_dec->p_sys;
1230     aout_buffer_t *p_buffer = 0;
1231     OMX_BUFFERHEADERTYPE *p_header;
1232     OMX_ERRORTYPE omx_error;
1233     block_t *p_block;
1234     unsigned int i;
1235
1236     if( !pp_block || !*pp_block ) return NULL;
1237
1238     p_block = *pp_block;
1239
1240     /* Check for errors from codec */
1241     if(p_sys->b_error)
1242     {
1243         msg_Dbg(p_dec, "error during decoding");
1244         block_Release( p_block );
1245         return 0;
1246     }
1247
1248     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1249     {
1250         block_Release( p_block );
1251         date_Set( &p_sys->end_date, 0 );
1252         if(!p_sys->in.b_flushed)
1253         {
1254             msg_Dbg(p_dec, "flushing");
1255             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1256                              p_sys->in.definition.nPortIndex, 0 );
1257         }
1258         p_sys->in.b_flushed = true;
1259         return NULL;
1260     }
1261
1262     if( !date_Get( &p_sys->end_date ) )
1263     {
1264         if( !p_block->i_pts )
1265         {
1266             /* We've just started the stream, wait for the first PTS. */
1267             block_Release( p_block );
1268             return NULL;
1269         }
1270         date_Set( &p_sys->end_date, p_block->i_pts );
1271     }
1272
1273     /* Take care of decoded frames first */
1274     while(!p_buffer)
1275     {
1276         unsigned int i_samples;
1277
1278         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1279         if(!p_header) break; /* No frame available */
1280
1281         i_samples = p_header->nFilledLen / p_sys->out.p_fmt->audio.i_channels / 2;
1282         if(i_samples)
1283         {
1284             p_buffer = decoder_NewAudioBuffer( p_dec, i_samples );
1285             if( !p_buffer ) break; /* No audio buffer available */
1286
1287             memcpy( p_buffer->p_buffer, p_header->pBuffer, p_buffer->i_buffer );
1288             p_header->nFilledLen = 0;
1289
1290             if( p_header->nTimeStamp != 0 &&
1291                 p_header->nTimeStamp != date_Get( &p_sys->end_date ) )
1292                 date_Set( &p_sys->end_date, p_header->nTimeStamp );
1293
1294             p_buffer->i_pts = date_Get( &p_sys->end_date );
1295             p_buffer->i_length = date_Increment( &p_sys->end_date, i_samples ) -
1296                 p_buffer->i_pts;
1297         }
1298
1299 #ifdef OMXIL_EXTRA_DEBUG
1300         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1301 #endif
1302         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1303         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1304     }
1305
1306
1307     /* Send the input buffer to the component */
1308     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1309     if(p_header)
1310     {
1311         p_header->nFilledLen = p_block->i_buffer;
1312         p_header->nOffset = 0;
1313         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1314         p_header->nTimeStamp = p_block->i_dts;
1315
1316         /* In direct mode we pass the input pointer as is.
1317          * Otherwise we memcopy the data */
1318         if(p_sys->in.b_direct)
1319         {
1320             p_header->pOutputPortPrivate = p_header->pBuffer;
1321             p_header->pBuffer = p_block->p_buffer;
1322             p_header->pAppPrivate = p_block;
1323         }
1324         else
1325         {
1326             if(p_header->nFilledLen > p_header->nAllocLen)
1327             {
1328                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1329                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1330                 p_header->nFilledLen = p_header->nAllocLen;
1331             }
1332             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1333             block_Release(p_block);
1334         }
1335
1336 #ifdef OMXIL_EXTRA_DEBUG
1337         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1338                  (int)p_header->nFilledLen );
1339 #endif
1340         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1341         p_sys->in.b_flushed = false;
1342         *pp_block = NULL; /* Avoid being fed the same packet again */
1343     }
1344
1345     /* Handle the PortSettingsChanged events */
1346     for(i = 0; i < p_sys->ports; i++)
1347     {
1348         OmxPort *p_port = &p_sys->p_ports[i];
1349         if(!p_port->b_reconfigure) continue;
1350         p_port->b_reconfigure = 0;
1351         omx_error = PortReconfigure(p_dec, p_port);
1352     }
1353
1354     return p_buffer;
1355 }
1356
1357 /*****************************************************************************
1358  * EncodeVideo: Called to encode one frame
1359  *****************************************************************************/
1360 static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pic )
1361 {
1362     decoder_t *p_dec = ( decoder_t *)p_enc;
1363     decoder_sys_t *p_sys = p_dec->p_sys;
1364     OMX_ERRORTYPE omx_error;
1365     unsigned int i;
1366
1367     OMX_BUFFERHEADERTYPE *p_header;
1368     block_t *p_block = 0;
1369
1370     if( !p_pic ) return NULL;
1371
1372     /* Check for errors from codec */
1373     if(p_sys->b_error)
1374     {
1375         msg_Dbg(p_dec, "error during encoding");
1376         return NULL;
1377     }
1378
1379     /* Send the input buffer to the component */
1380     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1381     if(p_header)
1382     {
1383         /* In direct mode we pass the input pointer as is.
1384          * Otherwise we memcopy the data */
1385         if(p_sys->in.b_direct)
1386         {
1387             p_header->pOutputPortPrivate = p_header->pBuffer;
1388             p_header->pBuffer = p_pic->p[0].p_pixels;
1389         }
1390         else
1391         {
1392             CopyVlcPicture(p_dec, p_header, p_pic);
1393         }
1394
1395         p_header->nFilledLen = p_sys->in.i_frame_size;
1396         p_header->nOffset = 0;
1397         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1398         p_header->nTimeStamp = p_pic->date;
1399 #ifdef OMXIL_EXTRA_DEBUG
1400         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1401                  (int)p_header->nFilledLen );
1402 #endif
1403         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1404         p_sys->in.b_flushed = false;
1405     }
1406
1407     /* Handle the PortSettingsChanged events */
1408     for(i = 0; i < p_sys->ports; i++)
1409     {
1410         OmxPort *p_port = &p_sys->p_ports[i];
1411         if(!p_port->b_reconfigure) continue;
1412         p_port->b_reconfigure = 0;
1413         omx_error = PortReconfigure(p_dec, p_port);
1414     }
1415
1416     /* Wait for the decoded frame */
1417     while(!p_block)
1418     {
1419         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1420
1421         if(p_header->nFilledLen)
1422         {
1423             if(p_header->nFlags & OMX_BUFFERFLAG_CODECCONFIG)
1424             {
1425                 /* TODO: need to store codec config */
1426                 msg_Dbg(p_dec, "received codec config %i", (int)p_header->nFilledLen);
1427             }
1428
1429             p_block = p_header->pAppPrivate;
1430             if(!p_block)
1431             {
1432                 /* We're not in direct rendering mode.
1433                  * Get a new block and copy the content */
1434                 p_block = block_New( p_dec, p_header->nFilledLen );
1435                 memcpy(p_block->p_buffer, p_header->pBuffer, p_header->nFilledLen );
1436             }
1437
1438             p_block->i_buffer = p_header->nFilledLen;
1439             p_block->i_pts = p_block->i_dts = p_header->nTimeStamp;
1440             p_header->nFilledLen = 0;
1441             p_header->pAppPrivate = 0;
1442         }
1443
1444 #ifdef OMXIL_EXTRA_DEBUG
1445         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1446 #endif
1447         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1448     }
1449
1450     msg_Dbg(p_dec, "done");
1451     return p_block;
1452 }
1453
1454 /*****************************************************************************
1455  * CloseGeneric: omxil decoder destruction
1456  *****************************************************************************/
1457 static void CloseGeneric( vlc_object_t *p_this )
1458 {
1459     decoder_t *p_dec = (decoder_t *)p_this;
1460     decoder_sys_t *p_sys = p_dec->p_sys;
1461
1462     if(p_sys->omx_handle) DeinitialiseComponent(p_dec, p_sys->omx_handle);
1463     if(p_sys->b_init) p_sys->pf_deinit();
1464     dll_close( p_sys->dll_handle );
1465
1466     vlc_mutex_destroy (&p_sys->mutex);
1467     vlc_cond_destroy (&p_sys->cond);
1468     vlc_mutex_destroy (&p_sys->in.fifo.lock);
1469     vlc_cond_destroy (&p_sys->in.fifo.wait);
1470     vlc_mutex_destroy (&p_sys->out.fifo.lock);
1471     vlc_cond_destroy (&p_sys->out.fifo.wait);
1472
1473     free( p_sys );
1474 }
1475
1476 /*****************************************************************************
1477  * OmxEventHandler:
1478  *****************************************************************************/
1479 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE omx_handle,
1480     OMX_PTR app_data, OMX_EVENTTYPE event, OMX_U32 data_1,
1481     OMX_U32 data_2, OMX_PTR event_data )
1482 {
1483     decoder_t *p_dec = (decoder_t *)app_data;
1484     decoder_sys_t *p_sys = p_dec->p_sys;
1485     unsigned int i;
1486     (void)omx_handle;
1487
1488     switch (event)
1489     {
1490     case OMX_EventCmdComplete:
1491         switch ((OMX_STATETYPE)data_1)
1492         {
1493         case OMX_CommandStateSet:
1494             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %s)", EventToString(event),
1495                      CommandToString(data_1), StateToString(data_2) );
1496             break;
1497
1498         default:
1499             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u)", EventToString(event),
1500                      CommandToString(data_1), (unsigned int)data_2 );
1501             break;
1502         }
1503         break;
1504
1505     case OMX_EventError:
1506         msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u, %s)", EventToString(event),
1507                  ErrorToString((OMX_ERRORTYPE)data_1), (unsigned int)data_2,
1508                  (const char *)event_data);
1509         //p_sys->b_error = true;
1510         break;
1511
1512     case OMX_EventPortSettingsChanged:
1513         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1514                  (unsigned int)data_1, (unsigned int)data_2 );
1515         for(i = 0; i < p_sys->ports; i++)
1516             if(p_sys->p_ports[i].definition.eDir == OMX_DirOutput)
1517                 p_sys->p_ports[i].b_reconfigure = true;
1518         memset(&p_sys->sentinel_buffer, 0, sizeof(p_sys->sentinel_buffer));
1519         p_sys->sentinel_buffer.nFlags = OMX_BUFFERFLAG_EOS;
1520         OMX_FIFO_PUT(&p_sys->in.fifo, &p_sys->sentinel_buffer);
1521         break;
1522
1523     default:
1524         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1525                  (unsigned int)data_1, (unsigned int)data_2 );
1526         break;
1527     }
1528
1529     PostOmxEvent(p_dec, event, data_1, data_2, event_data);
1530     return OMX_ErrorNone;
1531 }
1532
1533 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE omx_handle,
1534     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1535 {
1536     decoder_t *p_dec = (decoder_t *)app_data;
1537     decoder_sys_t *p_sys = p_dec->p_sys;
1538     (void)omx_handle;
1539
1540 #ifdef OMXIL_EXTRA_DEBUG
1541     msg_Dbg( p_dec, "OmxEmptyBufferDone %p, %p", omx_header, omx_header->pBuffer );
1542 #endif
1543
1544     if(omx_header->pAppPrivate || omx_header->pOutputPortPrivate)
1545     {
1546         block_t *p_block = (block_t *)omx_header->pAppPrivate;
1547         omx_header->pBuffer = omx_header->pOutputPortPrivate;
1548         if(p_block) block_Release(p_block);
1549         omx_header->pAppPrivate = 0;
1550     }
1551     OMX_FIFO_PUT(&p_sys->in.fifo, omx_header);
1552
1553     return OMX_ErrorNone;
1554 }
1555
1556 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE omx_handle,
1557     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1558 {
1559     decoder_t *p_dec = (decoder_t *)app_data;
1560     decoder_sys_t *p_sys = p_dec->p_sys;
1561     (void)omx_handle;
1562
1563 #ifdef OMXIL_EXTRA_DEBUG
1564     msg_Dbg( p_dec, "OmxFillBufferDone %p, %p, %i", omx_header, omx_header->pBuffer,
1565              (int)omx_header->nFilledLen );
1566 #endif
1567
1568     if(omx_header->pInputPortPrivate)
1569     {
1570         omx_header->pBuffer = omx_header->pInputPortPrivate;
1571     }
1572     OMX_FIFO_PUT(&p_sys->out.fifo, omx_header);
1573
1574     return OMX_ErrorNone;
1575 }