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 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU Lesser General Public License as published by
  11  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * 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 /* On dll_open, just check that the OMX_Init symbol already is loaded */
  34 # define dll_open(name) dlsym(RTLD_DEFAULT, "OMX_Init")
  35 # define dll_close(handle) do { } while (0)
  36 # define dlsym(handle, name) dlsym(RTLD_DEFAULT, "I" name)
  37 #else
  38 # define dll_open(name) dlopen( name, RTLD_NOW )
  39 # define dll_close(handle) dlclose(handle)
  40 #endif
  41
  42 #include <limits.h>
  43
  44 #include <vlc_common.h>
  45 #include <vlc_plugin.h>
  46 #include <vlc_codec.h>
  47 #include <vlc_block_helper.h>
  48 #include <vlc_cpu.h>
  49 #include "../h264_nal.h"
  50
  51 #include "omxil.h"
  52
  53 #ifndef NDEBUG
  54 # define OMXIL_EXTRA_DEBUG
  55 #endif
  56
  57 #define SENTINEL_FLAG 0x10000
  58
  59 /*****************************************************************************
  60  * List of OpenMAX IL core we will try in order
  61  *****************************************************************************/
  62 static const char *ppsz_dll_list[] =
  63 {
  64 #if defined(USE_IOMX)
  65     "libiomx.so", /* Not used when using IOMX, the lib should already be loaded */
  66 #else
  67     "libOMX_Core.so", /* TI OMAP IL core */
  68     "libOmxCore.so", /* Qualcomm IL core */
  69     "libomxil-bellagio.so",  /* Bellagio IL core */
  70 #endif
  71     0
  72 };
  73
  74 /*****************************************************************************
  75  * Global OMX Core instance, shared between module instances
  76  *****************************************************************************/
  77 static vlc_mutex_t omx_core_mutex = VLC_STATIC_MUTEX;
  78 static unsigned int omx_refcount = 0;
  79 static void *dll_handle;
  80 static OMX_ERRORTYPE (*pf_init) (void);
  81 static OMX_ERRORTYPE (*pf_deinit) (void);
  82 static OMX_ERRORTYPE (*pf_get_handle) (OMX_HANDLETYPE *, OMX_STRING,
  83                                        OMX_PTR, OMX_CALLBACKTYPE *);
  84 static OMX_ERRORTYPE (*pf_free_handle) (OMX_HANDLETYPE);
  85 static OMX_ERRORTYPE (*pf_component_enum)(OMX_STRING, OMX_U32, OMX_U32);
  86 static OMX_ERRORTYPE (*pf_get_roles_of_component)(OMX_STRING, OMX_U32 *, OMX_U8 **);
  87
  88 /*****************************************************************************
  89  * Local prototypes
  90  *****************************************************************************/
  91 static int  OpenDecoder( vlc_object_t * );
  92 static int  OpenEncoder( vlc_object_t * );
  93 static int  OpenGeneric( vlc_object_t *, bool b_encode );
  94 static void CloseGeneric( vlc_object_t * );
  95
  96 static picture_t *DecodeVideo( decoder_t *, block_t ** );
  97 static block_t *DecodeAudio ( decoder_t *, block_t ** );
  98 static block_t *EncodeVideo( encoder_t *, picture_t * );
  99
 100 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE, OMX_PTR, OMX_EVENTTYPE,
 101                                       OMX_U32, OMX_U32, OMX_PTR );
 102 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE, OMX_PTR,
 103                                          OMX_BUFFERHEADERTYPE * );
 104 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE, OMX_PTR,
 105                                         OMX_BUFFERHEADERTYPE * );
 106
 107 /*****************************************************************************
 108  * Module descriptor
 109  *****************************************************************************/
 110 vlc_module_begin ()
 111     set_description( N_("Audio/Video decoder (using OpenMAX IL)") )
 112     set_category( CAT_INPUT )
 113     set_subcategory( SUBCAT_INPUT_VCODEC )
 114     set_section( N_("Decoding") , NULL )
 115 #if defined(USE_IOMX)
 116     /* For IOMX, don't enable it automatically via priorities,
 117      * enable it only via the --codec iomx command line parameter when
 118      * wanted. */
 119     set_capability( "decoder", 0 )
 120 #else
 121     set_capability( "decoder", 80 )
 122 #endif
 123     set_callbacks( OpenDecoder, CloseGeneric )
 124
 125     add_submodule ()
 126     set_section( N_("Encoding") , NULL )
 127     set_description( N_("Video encoder (using OpenMAX IL)") )
 128     set_capability( "encoder", 0 )
 129     set_callbacks( OpenEncoder, CloseGeneric )
 130 vlc_module_end ()
 131
 132 /*****************************************************************************
 133  * CreateComponentsList: creates a list of components matching the given role
 134  *****************************************************************************/
 135 static int CreateComponentsList(decoder_t *p_dec, const char *psz_role)
 136 {
 137     decoder_sys_t *p_sys = p_dec->p_sys;
 138     char psz_name[OMX_MAX_STRINGNAME_SIZE];
 139     OMX_ERRORTYPE omx_error;
 140     OMX_U32 roles = 0;
 141     OMX_U8 **ppsz_roles = 0;
 142     unsigned int i, j, len;
 143
 144     if(!psz_role) goto end;
 145     len = strlen(psz_role);
 146
 147     for( i = 0; ; i++ )
 148     {
 149         bool b_found = false;
 150
 151         omx_error = pf_component_enum(psz_name, OMX_MAX_STRINGNAME_SIZE, i);
 152         if(omx_error != OMX_ErrorNone) break;
 153
 154         msg_Dbg(p_dec, "component %s", psz_name);
 155
 156         omx_error = pf_get_roles_of_component(psz_name, &roles, 0);
 157         if(omx_error != OMX_ErrorNone || !roles) continue;
 158
 159         ppsz_roles = malloc(roles * (sizeof(OMX_U8*) + OMX_MAX_STRINGNAME_SIZE));
 160         if(!ppsz_roles) continue;
 161
 162         for( j = 0; j < roles; j++ )
 163             ppsz_roles[j] = ((OMX_U8 *)(&ppsz_roles[roles])) +
 164                 j * OMX_MAX_STRINGNAME_SIZE;
 165
 166         omx_error = pf_get_roles_of_component(psz_name, &roles, ppsz_roles);
 167         if(omx_error != OMX_ErrorNone) roles = 0;
 168
 169         for(j = 0; j < roles; j++)
 170         {
 171             msg_Dbg(p_dec, "  - role: %s", ppsz_roles[j]);
 172             if(!strncmp((char *)ppsz_roles[j], psz_role, len)) b_found = true;
 173         }
 174
 175         free(ppsz_roles);
 176
 177         if(!b_found) continue;
 178
 179         if(p_sys->components >= MAX_COMPONENTS_LIST_SIZE)
 180         {
 181             msg_Dbg(p_dec, "too many matching components");
 182             continue;
 183         }
 184
 185         strncpy(p_sys->ppsz_components[p_sys->components], psz_name,
 186                 OMX_MAX_STRINGNAME_SIZE-1);
 187         p_sys->components++;
 188     }
 189
 190  end:
 191     msg_Dbg(p_dec, "found %i matching components for role %s",
 192             p_sys->components, psz_role);
 193     for( i = 0; i < p_sys->components; i++ )
 194         msg_Dbg(p_dec, "- %s", p_sys->ppsz_components[i]);
 195
 196     return p_sys->components;
 197 }
 198
 199 /*****************************************************************************
 200  * ImplementationSpecificWorkarounds: place-holder for implementation
 201  * specific workarounds
 202  *****************************************************************************/
 203 static OMX_ERRORTYPE ImplementationSpecificWorkarounds(decoder_t *p_dec,
 204     OmxPort *p_port, es_format_t *p_fmt)
 205 {
 206     decoder_sys_t *p_sys = p_dec->p_sys;
 207     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 208     int i_profile = 0xFFFF, i_level = 0xFFFF;
 209
 210     /* Try to find out the profile of the video */
 211     while(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 212           p_fmt->i_codec == VLC_CODEC_H264)
 213     {
 214         uint8_t *p = (uint8_t*)p_dec->fmt_in.p_extra;
 215         if(!p || !p_dec->fmt_in.p_extra) break;
 216
 217         /* Check the profile / level */
 218         if(p_dec->fmt_in.i_original_fourcc == VLC_FOURCC('a','v','c','1') &&
 219            p[0] == 1)
 220         {
 221             if(p_dec->fmt_in.i_extra < 12) break;
 222             p_sys->i_nal_size_length = 1 + (p[4]&0x03);
 223             if( !(p[5]&0x1f) ) break;
 224             p += 8;
 225         }
 226         else
 227         {
 228             if(p_dec->fmt_in.i_extra < 8) break;
 229             if(!p[0] && !p[1] && !p[2] && p[3] == 1) p += 4;
 230             else if(!p[0] && !p[1] && p[2] == 1) p += 3;
 231             else break;
 232         }
 233
 234         if( ((*p++)&0x1f) != 7) break;
 235
 236         /* Get profile/level out of first SPS */
 237         i_profile = p[0];
 238         i_level = p[2];
 239         break;
 240     }
 241
 242     if(!strcmp(p_sys->psz_component, "OMX.TI.Video.Decoder"))
 243     {
 244         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 245            p_fmt->i_codec == VLC_CODEC_H264 &&
 246            (i_profile != 66 || i_level > 30))
 247         {
 248             msg_Dbg(p_dec, "h264 profile/level not supported (0x%x, 0x%x)",
 249                     i_profile, i_level);
 250             return OMX_ErrorNotImplemented;
 251         }
 252
 253         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirOutput &&
 254            p_fmt->i_codec == VLC_CODEC_I420)
 255         {
 256             /* I420 xvideo is slow on OMAP */
 257             def->format.video.eColorFormat = OMX_COLOR_FormatCbYCrY;
 258             GetVlcChromaFormat( def->format.video.eColorFormat,
 259                                 &p_fmt->i_codec, 0 );
 260             GetVlcChromaSizes( p_fmt->i_codec,
 261                                def->format.video.nFrameWidth,
 262                                def->format.video.nFrameHeight,
 263                                &p_port->i_frame_size, &p_port->i_frame_stride,
 264                                &p_port->i_frame_stride_chroma_div );
 265             def->format.video.nStride = p_port->i_frame_stride;
 266             def->nBufferSize = p_port->i_frame_size;
 267         }
 268     }
 269     else if(!strcmp(p_sys->psz_component, "OMX.st.video_encoder"))
 270     {
 271         if(p_fmt->i_cat == VIDEO_ES)
 272         {
 273             /* Bellagio's encoder doesn't encode the framerate in Q16 */
 274             def->format.video.xFramerate >>= 16;
 275         }
 276     }
 277 #if 0 /* FIXME: doesn't apply for HP Touchpad */
 278     else if (!strncmp(p_sys->psz_component, "OMX.qcom.video.decoder.",
 279                       strlen("OMX.qcom.video.decoder")))
 280     {
 281         /* qdsp6 refuses buffer size larger than 450K on input port */
 282         if (def->nBufferSize > 450 * 1024)
 283         {
 284             def->nBufferSize = 450 * 1024;
 285             p_port->i_frame_size = def->nBufferSize;
 286         }
 287     }
 288 #endif
 289
 290     return OMX_ErrorNone;
 291 }
 292
 293 /*****************************************************************************
 294  * SetPortDefinition: set definition of the omx port based on the vlc format
 295  *****************************************************************************/
 296 static OMX_ERRORTYPE SetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 297                                        es_format_t *p_fmt)
 298 {
 299     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 300     OMX_ERRORTYPE omx_error;
 301
 302     omx_error = OMX_GetParameter(p_port->omx_handle,
 303                                  OMX_IndexParamPortDefinition, def);
 304     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 305                 omx_error, ErrorToString(omx_error));
 306
 307     switch(p_fmt->i_cat)
 308     {
 309     case VIDEO_ES:
 310         def->format.video.nFrameWidth = p_fmt->video.i_width;
 311         def->format.video.nFrameHeight = p_fmt->video.i_height;
 312         if(def->format.video.eCompressionFormat == OMX_VIDEO_CodingUnused)
 313             def->format.video.nStride = def->format.video.nFrameWidth;
 314         if( p_fmt->video.i_frame_rate > 0 &&
 315             p_fmt->video.i_frame_rate_base > 0 )
 316             def->format.video.xFramerate = (p_fmt->video.i_frame_rate << 16) /
 317                 p_fmt->video.i_frame_rate_base;
 318
 319         if(def->eDir == OMX_DirInput || p_dec->p_sys->b_enc)
 320         {
 321             if (def->eDir == OMX_DirInput && p_dec->p_sys->b_enc)
 322                 def->nBufferSize = def->format.video.nFrameWidth *
 323                   def->format.video.nFrameHeight * 2;
 324             p_port->i_frame_size = def->nBufferSize;
 325
 326             if(!GetOmxVideoFormat(p_fmt->i_codec,
 327                                   &def->format.video.eCompressionFormat, 0) )
 328             {
 329                 if(!GetOmxChromaFormat(p_fmt->i_codec,
 330                                        &def->format.video.eColorFormat, 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                 GetVlcChromaSizes( p_fmt->i_codec,
 337                                    def->format.video.nFrameWidth,
 338                                    def->format.video.nFrameHeight,
 339                                    &p_port->i_frame_size, &p_port->i_frame_stride,
 340                                    &p_port->i_frame_stride_chroma_div );
 341                 def->format.video.nStride = p_port->i_frame_stride;
 342                 def->nBufferSize = p_port->i_frame_size;
 343             }
 344         }
 345         else
 346         {
 347             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 348                                      &p_fmt->i_codec, 0 ) )
 349             {
 350                 omx_error = OMX_ErrorNotImplemented;
 351                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 352                             (int)def->format.video.eColorFormat );
 353             }
 354             GetVlcChromaSizes( p_fmt->i_codec,
 355                                def->format.video.nFrameWidth,
 356                                def->format.video.nFrameHeight,
 357                                &p_port->i_frame_size, &p_port->i_frame_stride,
 358                                &p_port->i_frame_stride_chroma_div );
 359             def->format.video.nStride = p_port->i_frame_stride;
 360             if (p_port->i_frame_size > def->nBufferSize)
 361                 def->nBufferSize = p_port->i_frame_size;
 362         }
 363         break;
 364
 365     case AUDIO_ES:
 366         p_port->i_frame_size = def->nBufferSize;
 367         if(def->eDir == OMX_DirInput)
 368         {
 369             if(!GetOmxAudioFormat(p_fmt->i_codec,
 370                                   &def->format.audio.eEncoding, 0) )
 371             {
 372                 omx_error = OMX_ErrorNotImplemented;
 373                 CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 374                             (char *)&p_fmt->i_codec );
 375             }
 376         }
 377         else
 378         {
 379             if( !OmxToVlcAudioFormat(def->format.audio.eEncoding,
 380                                    &p_fmt->i_codec, 0 ) )
 381             {
 382                 omx_error = OMX_ErrorNotImplemented;
 383                 CHECK_ERROR(omx_error, "OMX audio encoding %i not supported",
 384                             (int)def->format.audio.eEncoding );
 385             }
 386         }
 387         break;
 388
 389     default: return OMX_ErrorNotImplemented;
 390     }
 391
 392     omx_error = ImplementationSpecificWorkarounds(p_dec, p_port, p_fmt);
 393     CHECK_ERROR(omx_error, "ImplementationSpecificWorkarounds failed (%x : %s)",
 394                 omx_error, ErrorToString(omx_error));
 395
 396     omx_error = OMX_SetParameter(p_port->omx_handle,
 397                                  OMX_IndexParamPortDefinition, def);
 398     CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
 399                 omx_error, ErrorToString(omx_error));
 400
 401     omx_error = OMX_GetParameter(p_port->omx_handle,
 402                                  OMX_IndexParamPortDefinition, def);
 403     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 404                 omx_error, ErrorToString(omx_error));
 405
 406     if(p_port->i_frame_size > def->nBufferSize)
 407         def->nBufferSize = p_port->i_frame_size;
 408     p_port->i_frame_size = def->nBufferSize;
 409
 410     /* Deal with audio params */
 411     if(p_fmt->i_cat == AUDIO_ES)
 412     {
 413         omx_error = SetAudioParameters(p_port->omx_handle,
 414                                        &p_port->format_param, def->nPortIndex,
 415                                        def->format.audio.eEncoding,
 416                                        p_fmt->audio.i_channels,
 417                                        p_fmt->audio.i_rate,
 418                                        p_fmt->i_bitrate,
 419                                        p_fmt->audio.i_bitspersample,
 420                                        p_fmt->audio.i_blockalign);
 421         if (def->eDir == OMX_DirInput) {
 422             CHECK_ERROR(omx_error, "SetAudioParameters failed (%x : %s)",
 423                         omx_error, ErrorToString(omx_error));
 424         } else {
 425             msg_Warn(p_dec, "SetAudioParameters failed (%x : %s) on output port",
 426                      omx_error, ErrorToString(omx_error));
 427             omx_error = OMX_ErrorNone;
 428         }
 429     }
 430     if (!strcmp(p_dec->p_sys->psz_component, "OMX.TI.DUCATI1.VIDEO.DECODER") &&
 431                 def->eDir == OMX_DirOutput)
 432     {
 433         /* When setting the output buffer size above, the decoder actually
 434          * sets the buffer size to a lower value than what was chosen. If
 435          * we try to allocate buffers of this size, it fails. Thus, forcibly
 436          * use a larger buffer size. */
 437         def->nBufferSize *= 2;
 438     }
 439
 440     if (def->format.video.eCompressionFormat == OMX_VIDEO_CodingWMV) {
 441         OMX_VIDEO_PARAM_WMVTYPE wmvtype = { 0 };
 442         OMX_INIT_STRUCTURE(wmvtype);
 443         wmvtype.nPortIndex = def->nPortIndex;
 444         switch (p_dec->fmt_in.i_codec) {
 445         case VLC_CODEC_WMV1:
 446             wmvtype.eFormat = OMX_VIDEO_WMVFormat7;
 447             break;
 448         case VLC_CODEC_WMV2:
 449             wmvtype.eFormat = OMX_VIDEO_WMVFormat8;
 450             break;
 451         case VLC_CODEC_WMV3:
 452         case VLC_CODEC_VC1:
 453             wmvtype.eFormat = OMX_VIDEO_WMVFormat9;
 454             break;
 455         }
 456         omx_error = OMX_SetParameter(p_port->omx_handle, OMX_IndexParamVideoWmv, &wmvtype);
 457         CHECK_ERROR(omx_error, "OMX_SetParameter OMX_IndexParamVideoWmv failed (%x : %s)",
 458                     omx_error, ErrorToString(omx_error));
 459     }
 460
 461  error:
 462     return omx_error;
 463 }
 464
 465 /*****************************************************************************
 466  * GetPortDefinition: set vlc format based on the definition of the omx port
 467  *****************************************************************************/
 468 static OMX_ERRORTYPE GetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 469                                        es_format_t *p_fmt)
 470 {
 471     decoder_sys_t *p_sys = p_dec->p_sys;
 472     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 473     OMX_ERRORTYPE omx_error;
 474     OMX_CONFIG_RECTTYPE crop_rect;
 475
 476     omx_error = OMX_GetParameter(p_port->omx_handle,
 477                                  OMX_IndexParamPortDefinition, def);
 478     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 479                 omx_error, ErrorToString(omx_error));
 480
 481     switch(p_fmt->i_cat)
 482     {
 483     case VIDEO_ES:
 484         p_fmt->video.i_width = def->format.video.nFrameWidth;
 485         p_fmt->video.i_visible_width = def->format.video.nFrameWidth;
 486         p_fmt->video.i_height = def->format.video.nFrameHeight;
 487         p_fmt->video.i_visible_height = def->format.video.nFrameHeight;
 488         p_fmt->video.i_frame_rate = p_dec->fmt_in.video.i_frame_rate;
 489         p_fmt->video.i_frame_rate_base = p_dec->fmt_in.video.i_frame_rate_base;
 490
 491         OMX_INIT_STRUCTURE(crop_rect);
 492         crop_rect.nPortIndex = def->nPortIndex;
 493         omx_error = OMX_GetConfig(p_port->omx_handle, OMX_IndexConfigCommonOutputCrop, &crop_rect);
 494         if (omx_error == OMX_ErrorNone)
 495         {
 496             if (!def->format.video.nSliceHeight)
 497                 def->format.video.nSliceHeight = def->format.video.nFrameHeight;
 498             if (!def->format.video.nStride)
 499                 def->format.video.nStride = def->format.video.nFrameWidth;
 500             p_fmt->video.i_width = crop_rect.nWidth;
 501             p_fmt->video.i_visible_width = crop_rect.nWidth;
 502             p_fmt->video.i_height = crop_rect.nHeight;
 503             p_fmt->video.i_visible_height = crop_rect.nHeight;
 504             if (def->format.video.eColorFormat == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar)
 505                 def->format.video.nSliceHeight -= crop_rect.nTop/2;
 506         }
 507         else
 508         {
 509             /* Don't pass the error back to the caller, this isn't mandatory */
 510             omx_error = OMX_ErrorNone;
 511         }
 512
 513         /* Hack: Nexus One (stock firmware with binary OMX driver blob)
 514          * claims to output 420Planar even though it in in practice is
 515          * NV21. */
 516         if(def->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar &&
 517            !strncmp(p_sys->psz_component, "OMX.qcom.video.decoder",
 518                     strlen("OMX.qcom.video.decoder")))
 519             def->format.video.eColorFormat = OMX_QCOM_COLOR_FormatYVU420SemiPlanar;
 520
 521         if (IgnoreOmxDecoderPadding(p_sys->psz_component)) {
 522             def->format.video.nSliceHeight = 0;
 523             def->format.video.nStride = p_fmt->video.i_width;
 524         }
 525
 526         if(!GetVlcVideoFormat( def->format.video.eCompressionFormat,
 527                                &p_fmt->i_codec, 0 ) )
 528         {
 529             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 530                                      &p_fmt->i_codec, 0 ) )
 531             {
 532                 omx_error = OMX_ErrorNotImplemented;
 533                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 534                             (int)def->format.video.eColorFormat );
 535             }
 536             GetVlcChromaSizes( p_fmt->i_codec,
 537                                def->format.video.nFrameWidth,
 538                                def->format.video.nFrameHeight,
 539                                &p_port->i_frame_size, &p_port->i_frame_stride,
 540                                &p_port->i_frame_stride_chroma_div );
 541         }
 542         if(p_port->i_frame_size > def->nBufferSize)
 543             def->nBufferSize = p_port->i_frame_size;
 544         p_port->i_frame_size = def->nBufferSize;
 545 #if 0
 546         if((int)p_port->i_frame_stride > def->format.video.nStride)
 547             def->format.video.nStride = p_port->i_frame_stride;
 548 #endif
 549         p_port->i_frame_stride = def->format.video.nStride;
 550         break;
 551
 552     case AUDIO_ES:
 553         if( !OmxToVlcAudioFormat( def->format.audio.eEncoding,
 554                                 &p_fmt->i_codec, 0 ) )
 555         {
 556             omx_error = OMX_ErrorNotImplemented;
 557             CHECK_ERROR(omx_error, "OMX audio format %i not supported",
 558                         (int)def->format.audio.eEncoding );
 559         }
 560
 561         omx_error = GetAudioParameters(p_port->omx_handle,
 562                                        &p_port->format_param, def->nPortIndex,
 563                                        def->format.audio.eEncoding,
 564                                        &p_fmt->audio.i_channels,
 565                                        &p_fmt->audio.i_rate,
 566                                        &p_fmt->i_bitrate,
 567                                        &p_fmt->audio.i_bitspersample,
 568                                        &p_fmt->audio.i_blockalign);
 569         CHECK_ERROR(omx_error, "GetAudioParameters failed (%x : %s)",
 570                     omx_error, ErrorToString(omx_error));
 571
 572         if(p_fmt->audio.i_channels < 9)
 573         {
 574             static const int pi_channels_maps[9] =
 575             {
 576                 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 577                 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 578                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
 579                 | AOUT_CHAN_REARRIGHT,
 580                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 581                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
 582                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 583                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
 584                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 585                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
 586                 | AOUT_CHAN_MIDDLERIGHT,
 587                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
 588                 | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
 589                 | AOUT_CHAN_LFE
 590             };
 591             p_fmt->audio.i_physical_channels =
 592                 p_fmt->audio.i_original_channels =
 593                     pi_channels_maps[p_fmt->audio.i_channels];
 594         }
 595
 596         date_Init( &p_dec->p_sys->end_date, p_fmt->audio.i_rate, 1 );
 597
 598         break;
 599
 600     default: return OMX_ErrorNotImplemented;
 601     }
 602
 603  error:
 604     return omx_error;
 605 }
 606
 607 /*****************************************************************************
 608  * DeinitialiseComponent: Deinitialise and unload an OMX component
 609  *****************************************************************************/
 610 static OMX_ERRORTYPE DeinitialiseComponent(decoder_t *p_dec,
 611                                            OMX_HANDLETYPE omx_handle)
 612 {
 613     decoder_sys_t *p_sys = p_dec->p_sys;
 614     OMX_ERRORTYPE omx_error;
 615     OMX_STATETYPE state;
 616     unsigned int i, j;
 617
 618     if(!omx_handle) return OMX_ErrorNone;
 619
 620     omx_error = OMX_GetState(omx_handle, &state);
 621     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 622
 623     if(state == OMX_StateExecuting)
 624     {
 625         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 626                                      OMX_StateIdle, 0 );
 627         CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
 628         while (1) {
 629             OMX_U32 cmd, state;
 630             omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, &cmd, &state, 0);
 631             CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
 632             // The event queue can contain other OMX_EventCmdComplete items,
 633             // such as for OMX_CommandFlush
 634             if (cmd == OMX_CommandStateSet && state == OMX_StateIdle)
 635                 break;
 636         }
 637     }
 638
 639     omx_error = OMX_GetState(omx_handle, &state);
 640     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 641
 642     if(state == OMX_StateIdle)
 643     {
 644         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 645                                      OMX_StateLoaded, 0 );
 646         CHECK_ERROR(omx_error, "OMX_CommandStateSet Loaded failed (%x)", omx_error );
 647
 648         for(i = 0; i < p_sys->ports; i++)
 649         {
 650             OmxPort *p_port = &p_sys->p_ports[i];
 651             OMX_BUFFERHEADERTYPE *p_buffer;
 652
 653             for(j = 0; j < p_port->i_buffers; j++)
 654             {
 655                 OMX_FIFO_GET(&p_port->fifo, p_buffer);
 656                 if (p_buffer->nFlags & SENTINEL_FLAG) {
 657                     free(p_buffer);
 658                     j--;
 659                     continue;
 660                 }
 661                 omx_error = OMX_FreeBuffer( omx_handle,
 662                                             p_port->i_port_index, p_buffer );
 663
 664                 if(omx_error != OMX_ErrorNone) break;
 665             }
 666             CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
 667                         omx_error, (int)p_port->i_port_index, j );
 668             while (1) {
 669                 OMX_FIFO_PEEK(&p_port->fifo, p_buffer);
 670                 if (!p_buffer) break;
 671
 672                 OMX_FIFO_GET(&p_port->fifo, p_buffer);
 673                 if (p_buffer->nFlags & SENTINEL_FLAG) {
 674                     free(p_buffer);
 675                     continue;
 676                 }
 677                 msg_Warn( p_dec, "Stray buffer left in fifo, %p", p_buffer );
 678             }
 679         }
 680
 681         omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 682         CHECK_ERROR(omx_error, "Wait for Loaded failed (%x)", omx_error );
 683     }
 684
 685  error:
 686     for(i = 0; i < p_sys->ports; i++)
 687     {
 688         OmxPort *p_port = &p_sys->p_ports[i];
 689         free(p_port->pp_buffers);
 690         p_port->pp_buffers = 0;
 691     }
 692     omx_error = pf_free_handle( omx_handle );
 693     return omx_error;
 694 }
 695
 696 /*****************************************************************************
 697  * InitialiseComponent: Load and initialise an OMX component
 698  *****************************************************************************/
 699 static OMX_ERRORTYPE InitialiseComponent(decoder_t *p_dec,
 700     OMX_STRING psz_component, OMX_HANDLETYPE *p_handle)
 701 {
 702     static OMX_CALLBACKTYPE callbacks =
 703         { OmxEventHandler, OmxEmptyBufferDone, OmxFillBufferDone };
 704     decoder_sys_t *p_sys = p_dec->p_sys;
 705     OMX_HANDLETYPE omx_handle;
 706     OMX_ERRORTYPE omx_error;
 707     unsigned int i;
 708     OMX_U8 psz_role[OMX_MAX_STRINGNAME_SIZE];
 709     OMX_PARAM_COMPONENTROLETYPE role;
 710     OMX_PARAM_PORTDEFINITIONTYPE definition;
 711     OMX_PORT_PARAM_TYPE param;
 712
 713     /* Load component */
 714     omx_error = pf_get_handle( &omx_handle, psz_component, p_dec, &callbacks );
 715     if(omx_error != OMX_ErrorNone)
 716     {
 717         msg_Warn( p_dec, "OMX_GetHandle(%s) failed (%x: %s)", psz_component,
 718                   omx_error, ErrorToString(omx_error) );
 719         return omx_error;
 720     }
 721     strncpy(p_sys->psz_component, psz_component, OMX_MAX_STRINGNAME_SIZE-1);
 722
 723     omx_error = OMX_ComponentRoleEnum(omx_handle, psz_role, 0);
 724     if(omx_error == OMX_ErrorNone)
 725         msg_Dbg(p_dec, "loaded component %s of role %s", psz_component, psz_role);
 726     else
 727         msg_Dbg(p_dec, "loaded component %s", psz_component);
 728     PrintOmx(p_dec, omx_handle, OMX_ALL);
 729
 730     /* Set component role */
 731     OMX_INIT_STRUCTURE(role);
 732     strcpy((char*)role.cRole,
 733            GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec : p_dec->fmt_in.i_codec,
 734                       p_dec->fmt_in.i_cat, p_sys->b_enc));
 735
 736     omx_error = OMX_SetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 737                                  &role);
 738     omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 739                                  &role);
 740     if(omx_error == OMX_ErrorNone)
 741         msg_Dbg(p_dec, "component standard role set to %s", role.cRole);
 742
 743     /* Find the input / output ports */
 744     OMX_INIT_STRUCTURE(param);
 745     OMX_INIT_STRUCTURE(definition);
 746     omx_error = OMX_GetParameter(omx_handle, p_dec->fmt_in.i_cat == VIDEO_ES ?
 747                                  OMX_IndexParamVideoInit : OMX_IndexParamAudioInit, &param);
 748     if(omx_error != OMX_ErrorNone) {
 749 #ifdef __ANDROID__
 750         param.nPorts = 2;
 751         param.nStartPortNumber = 0;
 752 #else
 753         param.nPorts = 0;
 754 #endif
 755     }
 756
 757     for(i = 0; i < param.nPorts; i++)
 758     {
 759         OmxPort *p_port;
 760
 761         /* Get port definition */
 762         definition.nPortIndex = param.nStartPortNumber + i;
 763         omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamPortDefinition,
 764                                      &definition);
 765         if(omx_error != OMX_ErrorNone) continue;
 766
 767         if(definition.eDir == OMX_DirInput) p_port = &p_sys->in;
 768         else  p_port = &p_sys->out;
 769
 770         p_port->b_valid = true;
 771         p_port->i_port_index = definition.nPortIndex;
 772         p_port->definition = definition;
 773         p_port->omx_handle = omx_handle;
 774     }
 775
 776     if(!p_sys->in.b_valid || !p_sys->out.b_valid)
 777     {
 778         omx_error = OMX_ErrorInvalidComponent;
 779         CHECK_ERROR(omx_error, "couldn't find an input and output port");
 780     }
 781
 782     if(!strncmp(p_sys->psz_component, "OMX.SEC.", 8))
 783     {
 784         OMX_INDEXTYPE index;
 785         omx_error = OMX_GetExtensionIndex(omx_handle, (OMX_STRING) "OMX.SEC.index.ThumbnailMode", &index);
 786         if(omx_error == OMX_ErrorNone)
 787         {
 788             OMX_BOOL enable = OMX_TRUE;
 789             omx_error = OMX_SetConfig(omx_handle, index, &enable);
 790             CHECK_ERROR(omx_error, "Unable to set ThumbnailMode");
 791         } else {
 792             OMX_BOOL enable = OMX_TRUE;
 793             /* Needed on Samsung Galaxy S II */
 794             omx_error = OMX_SetConfig(omx_handle, OMX_IndexVendorSetYUV420pMode, &enable);
 795             if (omx_error == OMX_ErrorNone)
 796                 msg_Dbg(p_dec, "Set OMX_IndexVendorSetYUV420pMode successfully");
 797             else
 798                 msg_Dbg(p_dec, "Unable to set OMX_IndexVendorSetYUV420pMode: %x", omx_error);
 799         }
 800     }
 801
 802     /* Set port definitions */
 803     for(i = 0; i < p_sys->ports; i++)
 804     {
 805         omx_error = SetPortDefinition(p_dec, &p_sys->p_ports[i],
 806                                       p_sys->p_ports[i].p_fmt);
 807         if(omx_error != OMX_ErrorNone) goto error;
 808     }
 809
 810     /* Allocate our array for the omx buffers and enable ports */
 811     for(i = 0; i < p_sys->ports; i++)
 812     {
 813         OmxPort *p_port = &p_sys->p_ports[i];
 814
 815         p_port->pp_buffers =
 816             malloc(p_port->definition.nBufferCountActual *
 817                    sizeof(OMX_BUFFERHEADERTYPE*));
 818         if(!p_port->pp_buffers)
 819         {
 820           omx_error = OMX_ErrorInsufficientResources;
 821           CHECK_ERROR(omx_error, "memory allocation failed");
 822         }
 823         p_port->i_buffers = p_port->definition.nBufferCountActual;
 824
 825         /* Enable port */
 826         if(!p_port->definition.bEnabled)
 827         {
 828             omx_error = OMX_SendCommand( omx_handle, OMX_CommandPortEnable,
 829                                          p_port->i_port_index, NULL);
 830             CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
 831                         (int)p_port->i_port_index, omx_error );
 832             omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 833             CHECK_ERROR(omx_error, "Wait for PortEnable on %i failed (%x)",
 834                         (int)p_port->i_port_index, omx_error );
 835         }
 836     }
 837
 838     *p_handle = omx_handle;
 839     return OMX_ErrorNone;
 840
 841  error:
 842     DeinitialiseComponent(p_dec, omx_handle);
 843     *p_handle = 0;
 844     return omx_error;
 845 }
 846
 847 /*****************************************************************************
 848  * OpenDecoder: Create the decoder instance
 849  *****************************************************************************/
 850 static int OpenDecoder( vlc_object_t *p_this )
 851 {
 852     decoder_t *p_dec = (decoder_t*)p_this;
 853     int status;
 854
 855     if( 0 || !GetOmxRole(p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat, false) )
 856         return VLC_EGENERIC;
 857
 858 #ifdef HAVE_MAEMO
 859     if( p_dec->fmt_in.i_cat != VIDEO_ES && !p_dec->b_force)
 860         return VLC_EGENERIC;
 861 #endif
 862
 863     status = OpenGeneric( p_this, false );
 864     if(status != VLC_SUCCESS) return status;
 865
 866     p_dec->pf_decode_video = DecodeVideo;
 867     p_dec->pf_decode_audio = DecodeAudio;
 868
 869     return VLC_SUCCESS;
 870 }
 871
 872 /*****************************************************************************
 873  * OpenEncoder: Create the encoder instance
 874  *****************************************************************************/
 875 static int OpenEncoder( vlc_object_t *p_this )
 876 {
 877     encoder_t *p_enc = (encoder_t*)p_this;
 878     int status;
 879
 880     if( !GetOmxRole(p_enc->fmt_out.i_codec, p_enc->fmt_in.i_cat, true) )
 881         return VLC_EGENERIC;
 882
 883     status = OpenGeneric( p_this, true );
 884     if(status != VLC_SUCCESS) return status;
 885
 886     p_enc->pf_encode_video = EncodeVideo;
 887
 888     return VLC_SUCCESS;
 889 }
 890
 891 /*****************************************************************************
 892  * OpenGeneric: Create the generic decoder/encoder instance
 893  *****************************************************************************/
 894 static int OpenGeneric( vlc_object_t *p_this, bool b_encode )
 895 {
 896     decoder_t *p_dec = (decoder_t*)p_this;
 897     decoder_sys_t *p_sys;
 898     OMX_ERRORTYPE omx_error;
 899     OMX_BUFFERHEADERTYPE *p_header;
 900     unsigned int i, j;
 901
 902     vlc_mutex_lock( &omx_core_mutex );
 903     if( omx_refcount > 0 )
 904         goto loaded;
 905
 906     /* Load the OMX core */
 907     for( i = 0; ppsz_dll_list[i]; i++ )
 908     {
 909         dll_handle = dll_open( ppsz_dll_list[i] );
 910         if( dll_handle ) break;
 911     }
 912     if( !dll_handle )
 913     {
 914         vlc_mutex_unlock( &omx_core_mutex );
 915         return VLC_EGENERIC;
 916     }
 917
 918     pf_init = dlsym( dll_handle, "OMX_Init" );
 919     pf_deinit = dlsym( dll_handle, "OMX_Deinit" );
 920     pf_get_handle = dlsym( dll_handle, "OMX_GetHandle" );
 921     pf_free_handle = dlsym( dll_handle, "OMX_FreeHandle" );
 922     pf_component_enum = dlsym( dll_handle, "OMX_ComponentNameEnum" );
 923     pf_get_roles_of_component = dlsym( dll_handle, "OMX_GetRolesOfComponent" );
 924     if( !pf_init || !pf_deinit || !pf_get_handle || !pf_free_handle ||
 925         !pf_component_enum || !pf_get_roles_of_component )
 926     {
 927         msg_Warn( p_this, "cannot find OMX_* symbols in `%s' (%s)",
 928                   ppsz_dll_list[i], dlerror() );
 929         dll_close(dll_handle);
 930         vlc_mutex_unlock( &omx_core_mutex );
 931         return VLC_EGENERIC;
 932     }
 933
 934 loaded:
 935     /* Allocate the memory needed to store the decoder's structure */
 936     if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(*p_sys)) ) == NULL )
 937     {
 938         if( omx_refcount == 0 )
 939             dll_close(dll_handle);
 940         vlc_mutex_unlock( &omx_core_mutex );
 941         return VLC_ENOMEM;
 942     }
 943
 944     /* Initialise the thread properties */
 945     if(!b_encode)
 946     {
 947         p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
 948         p_dec->fmt_out.video = p_dec->fmt_in.video;
 949         p_dec->fmt_out.audio = p_dec->fmt_in.audio;
 950         p_dec->fmt_out.i_codec = 0;
 951     }
 952     p_sys->b_enc = b_encode;
 953     p_sys->pp_last_event = &p_sys->p_events;
 954     vlc_mutex_init (&p_sys->mutex);
 955     vlc_cond_init (&p_sys->cond);
 956     vlc_mutex_init (&p_sys->lock);
 957     vlc_mutex_init (&p_sys->in.fifo.lock);
 958     vlc_cond_init (&p_sys->in.fifo.wait);
 959     p_sys->in.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pOutputPortPrivate) / sizeof(void *);
 960     p_sys->in.fifo.pp_last = &p_sys->in.fifo.p_first;
 961     p_sys->in.b_direct = false;
 962     p_sys->in.b_flushed = true;
 963     p_sys->in.p_fmt = &p_dec->fmt_in;
 964     vlc_mutex_init (&p_sys->out.fifo.lock);
 965     vlc_cond_init (&p_sys->out.fifo.wait);
 966     p_sys->out.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pInputPortPrivate) / sizeof(void *);
 967     p_sys->out.fifo.pp_last = &p_sys->out.fifo.p_first;
 968     p_sys->out.b_direct = true;
 969     p_sys->out.b_flushed = true;
 970     p_sys->out.p_fmt = &p_dec->fmt_out;
 971     p_sys->ports = 2;
 972     p_sys->p_ports = &p_sys->in;
 973     p_sys->b_use_pts = 0;
 974
 975     msg_Dbg(p_dec, "fmt in:%4.4s, out: %4.4s", (char *)&p_dec->fmt_in.i_codec,
 976             (char *)&p_dec->fmt_out.i_codec);
 977
 978     /* Initialise the OMX core */
 979     omx_error = omx_refcount > 0 ? OMX_ErrorNone : pf_init();
 980     omx_refcount++;
 981     if(omx_error != OMX_ErrorNone)
 982     {
 983         msg_Warn( p_this, "OMX_Init failed (%x: %s)", omx_error,
 984                   ErrorToString(omx_error) );
 985         vlc_mutex_unlock( &omx_core_mutex );
 986         CloseGeneric(p_this);
 987         return VLC_EGENERIC;
 988     }
 989     p_sys->b_init = true;
 990     vlc_mutex_unlock( &omx_core_mutex );
 991
 992     /* Enumerate components and build a list of the one we want to try */
 993     if( !CreateComponentsList(p_dec,
 994              GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec :
 995                         p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat,
 996                         p_sys->b_enc)) )
 997     {
 998         msg_Warn( p_this, "couldn't find an omx component for codec %4.4s",
 999                   (char *)&p_dec->fmt_in.i_codec );
1000         CloseGeneric(p_this);
1001         return VLC_EGENERIC;
1002     }
1003
1004     /* Try to load and initialise a component */
1005     omx_error = OMX_ErrorUndefined;
1006     for(i = 0; i < p_sys->components; i++)
1007     {
1008 #ifdef __ANDROID__
1009         /* ignore OpenCore software codecs */
1010         if (!strncmp(p_sys->ppsz_components[i], "OMX.PV.", 7))
1011             continue;
1012         /* The same sw codecs, renamed in ICS (perhaps also in honeycomb) */
1013         if (!strncmp(p_sys->ppsz_components[i], "OMX.google.", 11))
1014             continue;
1015         /* This one has been seen on HTC One V - it behaves like it works,
1016          * but FillBufferDone returns buffers filled with 0 bytes. The One V
1017          * has got a working OMX.qcom.video.decoder.avc instead though. */
1018         if (!strncmp(p_sys->ppsz_components[i], "OMX.ARICENT.", 12))
1019             continue;
1020         /* Some nVidia codec with DRM */
1021         if (!strncmp(p_sys->ppsz_components[i], "OMX.Nvidia.h264.decode.secure", 29))
1022             continue;
1023         /* Use VC1 decoder for WMV3 for now */
1024         if (!strcmp(p_sys->ppsz_components[i], "OMX.SEC.WMV.Decoder"))
1025             continue;
1026         /* This decoder does work, but has an insane latency (leading to errors
1027          * about "main audio output playback way too late" and dropped frames).
1028          * At least Samsung Galaxy S III (where this decoder is present) has
1029          * got another one, OMX.SEC.mp3.dec, that works well and has a
1030          * sensible latency. (Also, even if that one isn't found, in general,
1031          * using SW codecs is usually more than fast enough for MP3.) */
1032         if (!strcmp(p_sys->ppsz_components[i], "OMX.SEC.MP3.Decoder"))
1033             continue;
1034 #endif
1035         omx_error = InitialiseComponent(p_dec, p_sys->ppsz_components[i],
1036                                         &p_sys->omx_handle);
1037         if(omx_error == OMX_ErrorNone) break;
1038     }
1039     CHECK_ERROR(omx_error, "no component could be initialised" );
1040
1041     /* Move component to Idle then Executing state */
1042     OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet, OMX_StateIdle, 0 );
1043     CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
1044
1045     /* Allocate omx buffers */
1046     for(i = 0; i < p_sys->ports; i++)
1047     {
1048         OmxPort *p_port = &p_sys->p_ports[i];
1049
1050         for(j = 0; j < p_port->i_buffers; j++)
1051         {
1052 #if 0
1053 #define ALIGN(x,BLOCKLIGN) (((x) + BLOCKLIGN - 1) & ~(BLOCKLIGN - 1))
1054             char *p_buf = malloc(p_port->definition.nBufferSize +
1055                                  p_port->definition.nBufferAlignment);
1056             p_port->pp_buffers[i] = (void *)ALIGN((uintptr_t)p_buf, p_port->definition.nBufferAlignment);
1057 #endif
1058
1059             if(0 && p_port->b_direct)
1060                 omx_error =
1061                     OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
1062                                    p_port->i_port_index, 0,
1063                                    p_port->definition.nBufferSize, (void*)1);
1064             else
1065                 omx_error =
1066                     OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
1067                                         p_port->i_port_index, 0,
1068                                         p_port->definition.nBufferSize);
1069
1070             if(omx_error != OMX_ErrorNone) break;
1071             OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[j]);
1072         }
1073         p_port->i_buffers = j;
1074         CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
1075                     omx_error, (int)p_port->i_port_index, j );
1076     }
1077
1078     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1079     CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
1080
1081     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet,
1082                                  OMX_StateExecuting, 0);
1083     CHECK_ERROR(omx_error, "OMX_CommandStateSet Executing failed (%x)", omx_error );
1084     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1085     CHECK_ERROR(omx_error, "Wait for Executing failed (%x)", omx_error );
1086
1087     /* Send codec configuration data */
1088     if( p_dec->fmt_in.i_extra )
1089     {
1090         OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1091         p_header->nFilledLen = p_dec->fmt_in.i_extra;
1092
1093         /* Convert H.264 NAL format to annex b */
1094         if( p_sys->i_nal_size_length && !p_sys->in.b_direct )
1095         {
1096             p_header->nFilledLen = 0;
1097             convert_sps_pps( p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
1098                              p_header->pBuffer, p_header->nAllocLen,
1099                              (uint32_t*) &p_header->nFilledLen, NULL );
1100         }
1101         else if(p_sys->in.b_direct)
1102         {
1103             p_header->pOutputPortPrivate = p_header->pBuffer;
1104             p_header->pBuffer = p_dec->fmt_in.p_extra;
1105         }
1106         else if (p_dec->fmt_in.i_codec == VLC_CODEC_WMV3 &&
1107                  p_dec->fmt_in.i_extra >= 4 &&
1108                  p_header->nAllocLen >= 36)
1109         {
1110             int profile;
1111             // According to OMX IL 1.2.0 spec (4.3.33.2), the codec config
1112             // data for VC-1 Main/Simple (aka WMV3) is according to table 265
1113             // in the VC-1 spec. Most of the fields are just set with placeholders
1114             // (like framerate, hrd_buffer/rate).
1115             static const uint8_t wmv3seq[] = {
1116                 0xff, 0xff, 0xff, 0xc5, // numframes=ffffff, marker byte
1117                 0x04, 0x00, 0x00, 0x00, // marker byte
1118                 0x00, 0x00, 0x00, 0x00, // struct C, almost equal to p_extra
1119                 0x00, 0x00, 0x00, 0x00, // struct A, vert size
1120                 0x00, 0x00, 0x00, 0x00, // struct A, horiz size
1121                 0x0c, 0x00, 0x00, 0x00, // marker byte
1122                 0xff, 0xff, 0x00, 0x80, // struct B, level=4, cbr=0, hrd_buffer=ffff
1123                 0xff, 0xff, 0x00, 0x00, // struct B, hrd_rate=ffff
1124                 0xff, 0xff, 0xff, 0xff, // struct B, framerate=ffffffff
1125             };
1126             p_header->nFilledLen = sizeof(wmv3seq);
1127             memcpy(p_header->pBuffer, wmv3seq, p_header->nFilledLen);
1128             // Struct C - almost equal to the extradata
1129             memcpy(&p_header->pBuffer[8], p_dec->fmt_in.p_extra, 4);
1130             // Expand profile from the highest 2 bits to the highest 4 bits
1131             profile = p_header->pBuffer[8] >> 6;
1132             p_header->pBuffer[8] = (p_header->pBuffer[8] & 0x0f) | (profile << 4);
1133             // Fill in the height/width for struct A
1134             SetDWLE(&p_header->pBuffer[12], p_dec->fmt_in.video.i_height);
1135             SetDWLE(&p_header->pBuffer[16], p_dec->fmt_in.video.i_width);
1136         }
1137         else
1138         {
1139             if(p_header->nFilledLen > p_header->nAllocLen)
1140             {
1141                 msg_Dbg(p_dec, "buffer too small (%i,%i)", (int)p_header->nFilledLen,
1142                         (int)p_header->nAllocLen);
1143                 p_header->nFilledLen = p_header->nAllocLen;
1144             }
1145             memcpy(p_header->pBuffer, p_dec->fmt_in.p_extra, p_header->nFilledLen);
1146         }
1147
1148         p_header->nOffset = 0;
1149         p_header->nFlags = OMX_BUFFERFLAG_CODECCONFIG | OMX_BUFFERFLAG_ENDOFFRAME;
1150         msg_Dbg(p_dec, "sending codec config data %p, %p, %i", p_header,
1151                 p_header->pBuffer, (int)p_header->nFilledLen);
1152         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1153     }
1154
1155     /* Get back output port definition */
1156     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1157     if(omx_error != OMX_ErrorNone) goto error;
1158
1159     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
1160     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
1161
1162     if(p_sys->b_error) goto error;
1163
1164     p_dec->b_need_packetized = true;
1165     if (!strcmp(p_sys->psz_component, "OMX.TI.DUCATI1.VIDEO.DECODER"))
1166         p_sys->b_use_pts = 1;
1167
1168     if (!strcmp(p_sys->psz_component, "OMX.STM.Video.Decoder"))
1169         p_sys->b_use_pts = 1;
1170
1171     if (p_sys->b_use_pts)
1172         msg_Dbg( p_dec, "using pts timestamp mode for %s", p_sys->psz_component);
1173
1174     return VLC_SUCCESS;
1175
1176  error:
1177     CloseGeneric(p_this);
1178     return VLC_EGENERIC;
1179 }
1180
1181 /*****************************************************************************
1182  * PortReconfigure
1183  *****************************************************************************/
1184 static OMX_ERRORTYPE PortReconfigure(decoder_t *p_dec, OmxPort *p_port)
1185 {
1186     decoder_sys_t *p_sys = p_dec->p_sys;
1187     OMX_PARAM_PORTDEFINITIONTYPE definition;
1188     OMX_BUFFERHEADERTYPE *p_buffer;
1189     OMX_ERRORTYPE omx_error;
1190     unsigned int i;
1191
1192     /* Sanity checking */
1193     OMX_INIT_STRUCTURE(definition);
1194     definition.nPortIndex = p_port->i_port_index;
1195     omx_error = OMX_GetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
1196                                  &definition);
1197     if(omx_error != OMX_ErrorNone || (p_dec->fmt_in.i_cat == VIDEO_ES &&
1198        (!definition.format.video.nFrameWidth ||
1199        !definition.format.video.nFrameHeight)) )
1200         return OMX_ErrorUndefined;
1201
1202     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortDisable,
1203                                  p_port->i_port_index, NULL);
1204     CHECK_ERROR(omx_error, "OMX_CommandPortDisable on %i failed (%x)",
1205                 (int)p_port->i_port_index, omx_error );
1206
1207     for(i = 0; i < p_port->i_buffers; i++)
1208     {
1209         OMX_FIFO_GET(&p_port->fifo, p_buffer);
1210         if (p_buffer->nFlags & SENTINEL_FLAG) {
1211             free(p_buffer);
1212             i--;
1213             continue;
1214         }
1215         omx_error = OMX_FreeBuffer( p_sys->omx_handle,
1216                                     p_port->i_port_index, p_buffer );
1217
1218         if(omx_error != OMX_ErrorNone) break;
1219     }
1220     CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
1221                 omx_error, (int)p_port->i_port_index, i );
1222
1223     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1224     CHECK_ERROR(omx_error, "Wait for PortDisable failed (%x)", omx_error );
1225
1226     /* Get the new port definition */
1227     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1228     if(omx_error != OMX_ErrorNone) goto error;
1229
1230     if( p_dec->fmt_in.i_cat != AUDIO_ES )
1231     {
1232         /* Don't explicitly set the new parameters that we got with
1233          * OMX_GetParameter above when using audio codecs.
1234          * That struct hasn't been changed since, so there should be
1235          * no need to set it here, unless some codec expects the
1236          * SetParameter call as a trigger event for some part of
1237          * the reconfiguration.
1238          * This fixes using audio decoders on Samsung Galaxy S II,
1239          *
1240          * Only skipping this for audio codecs, to minimize the
1241          * change for current working configurations for video.
1242          */
1243         omx_error = OMX_SetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
1244                                      &definition);
1245         CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
1246                     omx_error, ErrorToString(omx_error));
1247     }
1248
1249     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortEnable,
1250                                  p_port->i_port_index, NULL);
1251     CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
1252                 (int)p_port->i_port_index, omx_error );
1253
1254     if (p_port->definition.nBufferCountActual > p_port->i_buffers) {
1255         free(p_port->pp_buffers);
1256         p_port->pp_buffers = malloc(p_port->definition.nBufferCountActual * sizeof(OMX_BUFFERHEADERTYPE*));
1257         if(!p_port->pp_buffers)
1258         {
1259             omx_error = OMX_ErrorInsufficientResources;
1260             CHECK_ERROR(omx_error, "memory allocation failed");
1261         }
1262     }
1263     p_port->i_buffers = p_port->definition.nBufferCountActual;
1264     for(i = 0; i < p_port->i_buffers; i++)
1265     {
1266         if(0 && p_port->b_direct)
1267             omx_error =
1268                 OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1269                                p_port->i_port_index, 0,
1270                                p_port->definition.nBufferSize, (void*)1);
1271         else
1272             omx_error =
1273                 OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1274                                     p_port->i_port_index, 0,
1275                                     p_port->definition.nBufferSize);
1276
1277         if(omx_error != OMX_ErrorNone) break;
1278         OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[i]);
1279     }
1280     p_port->i_buffers = i;
1281     CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
1282                 omx_error, (int)p_port->i_port_index, i );
1283
1284     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1285     CHECK_ERROR(omx_error, "Wait for PortEnable failed (%x)", omx_error );
1286
1287     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
1288     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
1289
1290  error:
1291     return omx_error;
1292 }
1293
1294 /*****************************************************************************
1295  * DecodeVideo: Called to decode one frame
1296  *****************************************************************************/
1297 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
1298 {
1299     decoder_sys_t *p_sys = p_dec->p_sys;
1300     picture_t *p_pic = NULL, *p_next_pic;
1301     OMX_ERRORTYPE omx_error;
1302     unsigned int i;
1303
1304     OMX_BUFFERHEADERTYPE *p_header;
1305     block_t *p_block;
1306
1307     if( !pp_block || !*pp_block )
1308         return NULL;
1309
1310     p_block = *pp_block;
1311
1312     /* Check for errors from codec */
1313     if(p_sys->b_error)
1314     {
1315         msg_Dbg(p_dec, "error during decoding");
1316         block_Release( p_block );
1317         return 0;
1318     }
1319
1320     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1321     {
1322         block_Release( p_block );
1323         if(!p_sys->in.b_flushed)
1324         {
1325             msg_Dbg(p_dec, "flushing");
1326             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1327                              p_sys->in.definition.nPortIndex, 0 );
1328         }
1329         p_sys->in.b_flushed = true;
1330         return NULL;
1331     }
1332
1333     /* Take care of decoded frames first */
1334     while(!p_pic)
1335     {
1336         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1337         if(!p_header) break; /* No frame available */
1338
1339         if(p_sys->out.b_update_def)
1340         {
1341             omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1342             p_sys->out.b_update_def = 0;
1343         }
1344
1345         if(p_header->nFilledLen)
1346         {
1347             p_pic = p_header->pAppPrivate;
1348             if(!p_pic)
1349             {
1350                 /* We're not in direct rendering mode.
1351                  * Get a new picture and copy the content */
1352                 p_pic = decoder_NewPicture( p_dec );
1353
1354                 if (p_pic)
1355                     CopyOmxPicture(p_sys->out.definition.format.video.eColorFormat,
1356                                    p_pic, p_sys->out.definition.format.video.nSliceHeight,
1357                                    p_sys->out.i_frame_stride,
1358                                    p_header->pBuffer + p_header->nOffset,
1359                                    p_sys->out.i_frame_stride_chroma_div);
1360             }
1361
1362             if (p_pic)
1363                 p_pic->date = p_header->nTimeStamp;
1364             p_header->nFilledLen = 0;
1365             p_header->pAppPrivate = 0;
1366         }
1367
1368         /* Get a new picture */
1369         if(p_sys->in.b_direct && !p_header->pAppPrivate)
1370         {
1371             p_next_pic = decoder_NewPicture( p_dec );
1372             if(!p_next_pic) break;
1373
1374             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1375             p_header->pAppPrivate = p_next_pic;
1376             p_header->pInputPortPrivate = p_header->pBuffer;
1377             p_header->pBuffer = p_next_pic->p[0].p_pixels;
1378         }
1379         else
1380         {
1381             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1382         }
1383
1384 #ifdef OMXIL_EXTRA_DEBUG
1385         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1386 #endif
1387         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1388     }
1389
1390     /* Send the input buffer to the component */
1391     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1392
1393     if (p_header && p_header->nFlags & SENTINEL_FLAG) {
1394         free(p_header);
1395         goto reconfig;
1396     }
1397
1398     if(p_header)
1399     {
1400         p_header->nFilledLen = p_block->i_buffer;
1401         p_header->nOffset = 0;
1402         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1403         if (p_sys->b_use_pts && p_block->i_pts)
1404             p_header->nTimeStamp = p_block->i_pts;
1405         else
1406             p_header->nTimeStamp = p_block->i_dts;
1407
1408         /* In direct mode we pass the input pointer as is.
1409          * Otherwise we memcopy the data */
1410         if(p_sys->in.b_direct)
1411         {
1412             p_header->pOutputPortPrivate = p_header->pBuffer;
1413             p_header->pBuffer = p_block->p_buffer;
1414             p_header->pAppPrivate = p_block;
1415         }
1416         else
1417         {
1418             if(p_header->nFilledLen > p_header->nAllocLen)
1419             {
1420                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1421                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1422                 p_header->nFilledLen = p_header->nAllocLen;
1423             }
1424             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1425             block_Release(p_block);
1426         }
1427
1428         /* Convert H.264 NAL format to annex b. Doesn't do anything if
1429          * i_nal_size_length == 0, which is the case for codecs other
1430          * than H.264 */
1431         convert_h264_to_annexb( p_header->pBuffer, p_header->nFilledLen,
1432                                 p_sys->i_nal_size_length );
1433 #ifdef OMXIL_EXTRA_DEBUG
1434         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1435                  (int)p_header->nFilledLen );
1436 #endif
1437         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1438         p_sys->in.b_flushed = false;
1439         *pp_block = NULL; /* Avoid being fed the same packet again */
1440     }
1441
1442 reconfig:
1443     /* Handle the PortSettingsChanged events */
1444     for(i = 0; i < p_sys->ports; i++)
1445     {
1446         OmxPort *p_port = &p_sys->p_ports[i];
1447         if(p_port->b_reconfigure)
1448         {
1449             omx_error = PortReconfigure(p_dec, p_port);
1450             p_port->b_reconfigure = 0;
1451         }
1452         if(p_port->b_update_def)
1453         {
1454             omx_error = GetPortDefinition(p_dec, p_port, p_port->p_fmt);
1455             p_port->b_update_def = 0;
1456         }
1457     }
1458
1459     return p_pic;
1460 }
1461
1462 /*****************************************************************************
1463  * DecodeAudio: Called to decode one frame
1464  *****************************************************************************/
1465 block_t *DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
1466 {
1467     decoder_sys_t *p_sys = p_dec->p_sys;
1468     block_t *p_buffer = NULL;
1469     OMX_BUFFERHEADERTYPE *p_header;
1470     OMX_ERRORTYPE omx_error;
1471     block_t *p_block;
1472     unsigned int i;
1473
1474     if( !pp_block || !*pp_block ) return NULL;
1475
1476     p_block = *pp_block;
1477
1478     /* Check for errors from codec */
1479     if(p_sys->b_error)
1480     {
1481         msg_Dbg(p_dec, "error during decoding");
1482         block_Release( p_block );
1483         return 0;
1484     }
1485
1486     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1487     {
1488         block_Release( p_block );
1489         date_Set( &p_sys->end_date, 0 );
1490         if(!p_sys->in.b_flushed)
1491         {
1492             msg_Dbg(p_dec, "flushing");
1493             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1494                              p_sys->in.definition.nPortIndex, 0 );
1495         }
1496         p_sys->in.b_flushed = true;
1497         return NULL;
1498     }
1499
1500     if( !date_Get( &p_sys->end_date ) )
1501     {
1502         if( !p_block->i_pts )
1503         {
1504             /* We've just started the stream, wait for the first PTS. */
1505             block_Release( p_block );
1506             return NULL;
1507         }
1508         date_Set( &p_sys->end_date, p_block->i_pts );
1509     }
1510
1511     /* Take care of decoded frames first */
1512     while(!p_buffer)
1513     {
1514         unsigned int i_samples = 0;
1515
1516         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1517         if(!p_header) break; /* No frame available */
1518
1519         if (p_sys->out.p_fmt->audio.i_channels)
1520             i_samples = p_header->nFilledLen / p_sys->out.p_fmt->audio.i_channels / 2;
1521         if(i_samples)
1522         {
1523             p_buffer = decoder_NewAudioBuffer( p_dec, i_samples );
1524             if( !p_buffer ) break; /* No audio buffer available */
1525
1526             memcpy( p_buffer->p_buffer, p_header->pBuffer, p_buffer->i_buffer );
1527             p_header->nFilledLen = 0;
1528
1529             if( p_header->nTimeStamp != 0 &&
1530                 p_header->nTimeStamp != date_Get( &p_sys->end_date ) )
1531                 date_Set( &p_sys->end_date, p_header->nTimeStamp );
1532
1533             p_buffer->i_pts = date_Get( &p_sys->end_date );
1534             p_buffer->i_length = date_Increment( &p_sys->end_date, i_samples ) -
1535                 p_buffer->i_pts;
1536         }
1537
1538 #ifdef OMXIL_EXTRA_DEBUG
1539         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1540 #endif
1541         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1542         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1543     }
1544
1545
1546     /* Send the input buffer to the component */
1547     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1548
1549     if (p_header && p_header->nFlags & SENTINEL_FLAG) {
1550         free(p_header);
1551         goto reconfig;
1552     }
1553
1554     if(p_header)
1555     {
1556         p_header->nFilledLen = p_block->i_buffer;
1557         p_header->nOffset = 0;
1558         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1559         p_header->nTimeStamp = p_block->i_dts;
1560
1561         /* In direct mode we pass the input pointer as is.
1562          * Otherwise we memcopy the data */
1563         if(p_sys->in.b_direct)
1564         {
1565             p_header->pOutputPortPrivate = p_header->pBuffer;
1566             p_header->pBuffer = p_block->p_buffer;
1567             p_header->pAppPrivate = p_block;
1568         }
1569         else
1570         {
1571             if(p_header->nFilledLen > p_header->nAllocLen)
1572             {
1573                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1574                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1575                 p_header->nFilledLen = p_header->nAllocLen;
1576             }
1577             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1578             block_Release(p_block);
1579         }
1580
1581 #ifdef OMXIL_EXTRA_DEBUG
1582         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1583                  (int)p_header->nFilledLen );
1584 #endif
1585         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1586         p_sys->in.b_flushed = false;
1587         *pp_block = NULL; /* Avoid being fed the same packet again */
1588     }
1589
1590 reconfig:
1591     /* Handle the PortSettingsChanged events */
1592     for(i = 0; i < p_sys->ports; i++)
1593     {
1594         OmxPort *p_port = &p_sys->p_ports[i];
1595         if(!p_port->b_reconfigure) continue;
1596         p_port->b_reconfigure = 0;
1597         omx_error = PortReconfigure(p_dec, p_port);
1598     }
1599
1600     return p_buffer;
1601 }
1602
1603 /*****************************************************************************
1604  * EncodeVideo: Called to encode one frame
1605  *****************************************************************************/
1606 static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pic )
1607 {
1608     decoder_t *p_dec = ( decoder_t *)p_enc;
1609     decoder_sys_t *p_sys = p_dec->p_sys;
1610     OMX_ERRORTYPE omx_error;
1611     unsigned int i;
1612
1613     OMX_BUFFERHEADERTYPE *p_header;
1614     block_t *p_block = 0;
1615
1616     if( !p_pic ) return NULL;
1617
1618     /* Check for errors from codec */
1619     if(p_sys->b_error)
1620     {
1621         msg_Dbg(p_dec, "error during encoding");
1622         return NULL;
1623     }
1624
1625     /* Send the input buffer to the component */
1626     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1627     if(p_header)
1628     {
1629         /* In direct mode we pass the input pointer as is.
1630          * Otherwise we memcopy the data */
1631         if(p_sys->in.b_direct)
1632         {
1633             p_header->pOutputPortPrivate = p_header->pBuffer;
1634             p_header->pBuffer = p_pic->p[0].p_pixels;
1635         }
1636         else
1637         {
1638             CopyVlcPicture(p_dec, p_header, p_pic);
1639         }
1640
1641         p_header->nFilledLen = p_sys->in.i_frame_size;
1642         p_header->nOffset = 0;
1643         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1644         p_header->nTimeStamp = p_pic->date;
1645 #ifdef OMXIL_EXTRA_DEBUG
1646         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1647                  (int)p_header->nFilledLen );
1648 #endif
1649         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1650         p_sys->in.b_flushed = false;
1651     }
1652
1653     /* Handle the PortSettingsChanged events */
1654     for(i = 0; i < p_sys->ports; i++)
1655     {
1656         OmxPort *p_port = &p_sys->p_ports[i];
1657         if(!p_port->b_reconfigure) continue;
1658         p_port->b_reconfigure = 0;
1659         omx_error = PortReconfigure(p_dec, p_port);
1660     }
1661
1662     /* Wait for the decoded frame */
1663     while(!p_block)
1664     {
1665         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1666
1667         if(p_header->nFilledLen)
1668         {
1669             if(p_header->nFlags & OMX_BUFFERFLAG_CODECCONFIG)
1670             {
1671                 /* TODO: need to store codec config */
1672                 msg_Dbg(p_dec, "received codec config %i", (int)p_header->nFilledLen);
1673             }
1674
1675             p_block = p_header->pAppPrivate;
1676             if(!p_block)
1677             {
1678                 /* We're not in direct rendering mode.
1679                  * Get a new block and copy the content */
1680                 p_block = block_Alloc( p_header->nFilledLen );
1681                 memcpy(p_block->p_buffer, p_header->pBuffer, p_header->nFilledLen );
1682             }
1683
1684             p_block->i_buffer = p_header->nFilledLen;
1685             p_block->i_pts = p_block->i_dts = p_header->nTimeStamp;
1686             p_header->nFilledLen = 0;
1687             p_header->pAppPrivate = 0;
1688         }
1689
1690 #ifdef OMXIL_EXTRA_DEBUG
1691         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1692 #endif
1693         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1694     }
1695
1696     msg_Dbg(p_dec, "done");
1697     return p_block;
1698 }
1699
1700 /*****************************************************************************
1701  * CloseGeneric: omxil decoder destruction
1702  *****************************************************************************/
1703 static void CloseGeneric( vlc_object_t *p_this )
1704 {
1705     decoder_t *p_dec = (decoder_t *)p_this;
1706     decoder_sys_t *p_sys = p_dec->p_sys;
1707
1708     if(p_sys->omx_handle) DeinitialiseComponent(p_dec, p_sys->omx_handle);
1709     vlc_mutex_lock( &omx_core_mutex );
1710     omx_refcount--;
1711     if( omx_refcount == 0 )
1712     {
1713         if( p_sys->b_init ) pf_deinit();
1714         dll_close( dll_handle );
1715     }
1716     vlc_mutex_unlock( &omx_core_mutex );
1717
1718     vlc_mutex_destroy (&p_sys->mutex);
1719     vlc_cond_destroy (&p_sys->cond);
1720     vlc_mutex_destroy (&p_sys->in.fifo.lock);
1721     vlc_cond_destroy (&p_sys->in.fifo.wait);
1722     vlc_mutex_destroy (&p_sys->out.fifo.lock);
1723     vlc_cond_destroy (&p_sys->out.fifo.wait);
1724
1725     free( p_sys );
1726 }
1727
1728 /*****************************************************************************
1729  * OmxEventHandler:
1730  *****************************************************************************/
1731 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE omx_handle,
1732     OMX_PTR app_data, OMX_EVENTTYPE event, OMX_U32 data_1,
1733     OMX_U32 data_2, OMX_PTR event_data )
1734 {
1735     decoder_t *p_dec = (decoder_t *)app_data;
1736     decoder_sys_t *p_sys = p_dec->p_sys;
1737     unsigned int i;
1738     (void)omx_handle;
1739
1740     switch (event)
1741     {
1742     case OMX_EventCmdComplete:
1743         switch ((OMX_STATETYPE)data_1)
1744         {
1745         case OMX_CommandStateSet:
1746             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %s)", EventToString(event),
1747                      CommandToString(data_1), StateToString(data_2) );
1748             break;
1749
1750         default:
1751             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u)", EventToString(event),
1752                      CommandToString(data_1), (unsigned int)data_2 );
1753             break;
1754         }
1755         break;
1756
1757     case OMX_EventError:
1758         msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u, %s)", EventToString(event),
1759                  ErrorToString((OMX_ERRORTYPE)data_1), (unsigned int)data_2,
1760                  (const char *)event_data);
1761         //p_sys->b_error = true;
1762         break;
1763
1764     case OMX_EventPortSettingsChanged:
1765         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1766                  (unsigned int)data_1, (unsigned int)data_2 );
1767         if( data_2 == 0 || data_2 == OMX_IndexParamPortDefinition )
1768         {
1769             OMX_BUFFERHEADERTYPE *sentinel;
1770             for(i = 0; i < p_sys->ports; i++)
1771                 if(p_sys->p_ports[i].definition.eDir == OMX_DirOutput)
1772                     p_sys->p_ports[i].b_reconfigure = true;
1773             sentinel = calloc(1, sizeof(*sentinel));
1774             if (sentinel) {
1775                 sentinel->nFlags = SENTINEL_FLAG;
1776                 OMX_FIFO_PUT(&p_sys->in.fifo, sentinel);
1777             }
1778         }
1779         else if( data_2 == OMX_IndexConfigCommonOutputCrop )
1780         {
1781             for(i = 0; i < p_sys->ports; i++)
1782                 if(p_sys->p_ports[i].definition.nPortIndex == data_1)
1783                     p_sys->p_ports[i].b_update_def = true;
1784         }
1785         else
1786         {
1787             msg_Dbg( p_dec, "Unhandled setting change %x", (unsigned int)data_2 );
1788         }
1789         break;
1790
1791     default:
1792         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1793                  (unsigned int)data_1, (unsigned int)data_2 );
1794         break;
1795     }
1796
1797     PostOmxEvent(p_dec, event, data_1, data_2, event_data);
1798     return OMX_ErrorNone;
1799 }
1800
1801 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE omx_handle,
1802     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1803 {
1804     decoder_t *p_dec = (decoder_t *)app_data;
1805     decoder_sys_t *p_sys = p_dec->p_sys;
1806     (void)omx_handle;
1807
1808 #ifdef OMXIL_EXTRA_DEBUG
1809     msg_Dbg( p_dec, "OmxEmptyBufferDone %p, %p", omx_header, omx_header->pBuffer );
1810 #endif
1811
1812     if(omx_header->pAppPrivate || omx_header->pOutputPortPrivate)
1813     {
1814         block_t *p_block = (block_t *)omx_header->pAppPrivate;
1815         omx_header->pBuffer = omx_header->pOutputPortPrivate;
1816         if(p_block) block_Release(p_block);
1817         omx_header->pAppPrivate = 0;
1818     }
1819     OMX_FIFO_PUT(&p_sys->in.fifo, omx_header);
1820
1821     return OMX_ErrorNone;
1822 }
1823
1824 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE omx_handle,
1825     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1826 {
1827     decoder_t *p_dec = (decoder_t *)app_data;
1828     decoder_sys_t *p_sys = p_dec->p_sys;
1829     (void)omx_handle;
1830
1831 #ifdef OMXIL_EXTRA_DEBUG
1832     msg_Dbg( p_dec, "OmxFillBufferDone %p, %p, %i", omx_header, omx_header->pBuffer,
1833              (int)omx_header->nFilledLen );
1834 #endif
1835
1836     if(omx_header->pInputPortPrivate)
1837     {
1838         omx_header->pBuffer = omx_header->pInputPortPrivate;
1839     }
1840     OMX_FIFO_PUT(&p_sys->out.fifo, omx_header);
1841
1842     return OMX_ErrorNone;
1843 }