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;
 143
 144     if(!psz_role) goto end;
 145
 146     for( i = 0; ; i++ )
 147     {
 148         bool b_found = false;
 149
 150         omx_error = pf_component_enum(psz_name, OMX_MAX_STRINGNAME_SIZE, i);
 151         if(omx_error != OMX_ErrorNone) break;
 152
 153         msg_Dbg(p_dec, "component %s", psz_name);
 154
 155         omx_error = pf_get_roles_of_component(psz_name, &roles, 0);
 156         if(omx_error != OMX_ErrorNone || !roles) continue;
 157
 158         ppsz_roles = malloc(roles * (sizeof(OMX_U8*) + OMX_MAX_STRINGNAME_SIZE));
 159         if(!ppsz_roles) continue;
 160
 161         for( j = 0; j < roles; j++ )
 162             ppsz_roles[j] = ((OMX_U8 *)(&ppsz_roles[roles])) +
 163                 j * OMX_MAX_STRINGNAME_SIZE;
 164
 165         omx_error = pf_get_roles_of_component(psz_name, &roles, ppsz_roles);
 166         if(omx_error != OMX_ErrorNone) roles = 0;
 167
 168         for(j = 0; j < roles; j++)
 169         {
 170             msg_Dbg(p_dec, "  - role: %s", ppsz_roles[j]);
 171             if(!strcmp((char *)ppsz_roles[j], psz_role)) b_found = true;
 172         }
 173
 174         free(ppsz_roles);
 175
 176         if(!b_found) continue;
 177
 178         if(p_sys->components >= MAX_COMPONENTS_LIST_SIZE)
 179         {
 180             msg_Dbg(p_dec, "too many matching components");
 181             continue;
 182         }
 183
 184         strncpy(p_sys->ppsz_components[p_sys->components], psz_name,
 185                 OMX_MAX_STRINGNAME_SIZE-1);
 186         p_sys->components++;
 187     }
 188
 189  end:
 190     msg_Dbg(p_dec, "found %i matching components for role %s",
 191             p_sys->components, psz_role);
 192     for( i = 0; i < p_sys->components; i++ )
 193         msg_Dbg(p_dec, "- %s", p_sys->ppsz_components[i]);
 194
 195     return p_sys->components;
 196 }
 197
 198 /*****************************************************************************
 199  * ImplementationSpecificWorkarounds: place-holder for implementation
 200  * specific workarounds
 201  *****************************************************************************/
 202 static OMX_ERRORTYPE ImplementationSpecificWorkarounds(decoder_t *p_dec,
 203     OmxPort *p_port, es_format_t *p_fmt)
 204 {
 205     decoder_sys_t *p_sys = p_dec->p_sys;
 206     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 207     int i_profile = 0xFFFF, i_level = 0xFFFF;
 208
 209     /* Try to find out the profile of the video */
 210     while(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 211           p_fmt->i_codec == VLC_CODEC_H264)
 212     {
 213         uint8_t *p = (uint8_t*)p_dec->fmt_in.p_extra;
 214         if(!p || !p_dec->fmt_in.p_extra) break;
 215
 216         /* Check the profile / level */
 217         if(p_dec->fmt_in.i_original_fourcc == VLC_FOURCC('a','v','c','1') &&
 218            p[0] == 1)
 219         {
 220             if(p_dec->fmt_in.i_extra < 12) break;
 221             p_sys->i_nal_size_length = 1 + (p[4]&0x03);
 222             if( !(p[5]&0x1f) ) break;
 223             p += 8;
 224         }
 225         else
 226         {
 227             if(p_dec->fmt_in.i_extra < 8) break;
 228             if(!p[0] && !p[1] && !p[2] && p[3] == 1) p += 4;
 229             else if(!p[0] && !p[1] && p[2] == 1) p += 3;
 230             else break;
 231         }
 232
 233         if( ((*p++)&0x1f) != 7) break;
 234
 235         /* Get profile/level out of first SPS */
 236         i_profile = p[0];
 237         i_level = p[2];
 238         break;
 239     }
 240
 241     if(!strcmp(p_sys->psz_component, "OMX.TI.Video.Decoder"))
 242     {
 243         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirInput &&
 244            p_fmt->i_codec == VLC_CODEC_H264 &&
 245            (i_profile != 66 || i_level > 30))
 246         {
 247             msg_Dbg(p_dec, "h264 profile/level not supported (0x%x, 0x%x)",
 248                     i_profile, i_level);
 249             return OMX_ErrorNotImplemented;
 250         }
 251
 252         if(p_fmt->i_cat == VIDEO_ES && def->eDir == OMX_DirOutput &&
 253            p_fmt->i_codec == VLC_CODEC_I420)
 254         {
 255             /* I420 xvideo is slow on OMAP */
 256             def->format.video.eColorFormat = OMX_COLOR_FormatCbYCrY;
 257             GetVlcChromaFormat( def->format.video.eColorFormat,
 258                                 &p_fmt->i_codec, 0 );
 259             GetVlcChromaSizes( p_fmt->i_codec,
 260                                def->format.video.nFrameWidth,
 261                                def->format.video.nFrameHeight,
 262                                &p_port->i_frame_size, &p_port->i_frame_stride,
 263                                &p_port->i_frame_stride_chroma_div );
 264             def->format.video.nStride = p_port->i_frame_stride;
 265             def->nBufferSize = p_port->i_frame_size;
 266         }
 267     }
 268     else if(!strcmp(p_sys->psz_component, "OMX.st.video_encoder"))
 269     {
 270         if(p_fmt->i_cat == VIDEO_ES)
 271         {
 272             /* Bellagio's encoder doesn't encode the framerate in Q16 */
 273             def->format.video.xFramerate >>= 16;
 274         }
 275     }
 276 #if 0 /* FIXME: doesn't apply for HP Touchpad */
 277     else if (!strncmp(p_sys->psz_component, "OMX.qcom.video.decoder.",
 278                       strlen("OMX.qcom.video.decoder")))
 279     {
 280         /* qdsp6 refuses buffer size larger than 450K on input port */
 281         if (def->nBufferSize > 450 * 1024)
 282         {
 283             def->nBufferSize = 450 * 1024;
 284             p_port->i_frame_size = def->nBufferSize;
 285         }
 286     }
 287 #endif
 288
 289     return OMX_ErrorNone;
 290 }
 291
 292 /*****************************************************************************
 293  * SetPortDefinition: set definition of the omx port based on the vlc format
 294  *****************************************************************************/
 295 static OMX_ERRORTYPE SetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 296                                        es_format_t *p_fmt)
 297 {
 298     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 299     OMX_ERRORTYPE omx_error;
 300
 301     omx_error = OMX_GetParameter(p_port->omx_handle,
 302                                  OMX_IndexParamPortDefinition, def);
 303     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 304                 omx_error, ErrorToString(omx_error));
 305
 306     switch(p_fmt->i_cat)
 307     {
 308     case VIDEO_ES:
 309         def->format.video.nFrameWidth = p_fmt->video.i_width;
 310         def->format.video.nFrameHeight = p_fmt->video.i_height;
 311         if(def->format.video.eCompressionFormat == OMX_VIDEO_CodingUnused)
 312             def->format.video.nStride = def->format.video.nFrameWidth;
 313         if( p_fmt->video.i_frame_rate > 0 &&
 314             p_fmt->video.i_frame_rate_base > 0 )
 315             def->format.video.xFramerate = (p_fmt->video.i_frame_rate << 16) /
 316                 p_fmt->video.i_frame_rate_base;
 317
 318         if(def->eDir == OMX_DirInput || p_dec->p_sys->b_enc)
 319         {
 320             if (def->eDir == OMX_DirInput && p_dec->p_sys->b_enc)
 321                 def->nBufferSize = def->format.video.nFrameWidth *
 322                   def->format.video.nFrameHeight * 2;
 323             p_port->i_frame_size = def->nBufferSize;
 324
 325             if(!GetOmxVideoFormat(p_fmt->i_codec,
 326                                   &def->format.video.eCompressionFormat, 0) )
 327             {
 328                 if(!GetOmxChromaFormat(p_fmt->i_codec,
 329                                        &def->format.video.eColorFormat, 0) )
 330                 {
 331                     omx_error = OMX_ErrorNotImplemented;
 332                     CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 333                                 (char *)&p_fmt->i_codec );
 334                 }
 335                 GetVlcChromaSizes( p_fmt->i_codec,
 336                                    def->format.video.nFrameWidth,
 337                                    def->format.video.nFrameHeight,
 338                                    &p_port->i_frame_size, &p_port->i_frame_stride,
 339                                    &p_port->i_frame_stride_chroma_div );
 340                 def->format.video.nStride = p_port->i_frame_stride;
 341                 def->nBufferSize = p_port->i_frame_size;
 342             }
 343         }
 344         else
 345         {
 346             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 347                                      &p_fmt->i_codec, 0 ) )
 348             {
 349                 omx_error = OMX_ErrorNotImplemented;
 350                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 351                             (int)def->format.video.eColorFormat );
 352             }
 353             GetVlcChromaSizes( p_fmt->i_codec,
 354                                def->format.video.nFrameWidth,
 355                                def->format.video.nFrameHeight,
 356                                &p_port->i_frame_size, &p_port->i_frame_stride,
 357                                &p_port->i_frame_stride_chroma_div );
 358             def->format.video.nStride = p_port->i_frame_stride;
 359             if (p_port->i_frame_size > def->nBufferSize)
 360                 def->nBufferSize = p_port->i_frame_size;
 361         }
 362         break;
 363
 364     case AUDIO_ES:
 365         p_port->i_frame_size = def->nBufferSize;
 366         if(def->eDir == OMX_DirInput)
 367         {
 368             if(!GetOmxAudioFormat(p_fmt->i_codec,
 369                                   &def->format.audio.eEncoding, 0) )
 370             {
 371                 omx_error = OMX_ErrorNotImplemented;
 372                 CHECK_ERROR(omx_error, "codec %4.4s doesn't match any OMX format",
 373                             (char *)&p_fmt->i_codec );
 374             }
 375         }
 376         else
 377         {
 378             if( !OmxToVlcAudioFormat(def->format.audio.eEncoding,
 379                                    &p_fmt->i_codec, 0 ) )
 380             {
 381                 omx_error = OMX_ErrorNotImplemented;
 382                 CHECK_ERROR(omx_error, "OMX audio encoding %i not supported",
 383                             (int)def->format.audio.eEncoding );
 384             }
 385         }
 386         break;
 387
 388     default: return OMX_ErrorNotImplemented;
 389     }
 390
 391     omx_error = ImplementationSpecificWorkarounds(p_dec, p_port, p_fmt);
 392     CHECK_ERROR(omx_error, "ImplementationSpecificWorkarounds failed (%x : %s)",
 393                 omx_error, ErrorToString(omx_error));
 394
 395     omx_error = OMX_SetParameter(p_port->omx_handle,
 396                                  OMX_IndexParamPortDefinition, def);
 397     CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
 398                 omx_error, ErrorToString(omx_error));
 399
 400     omx_error = OMX_GetParameter(p_port->omx_handle,
 401                                  OMX_IndexParamPortDefinition, def);
 402     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 403                 omx_error, ErrorToString(omx_error));
 404
 405     if(p_port->i_frame_size > def->nBufferSize)
 406         def->nBufferSize = p_port->i_frame_size;
 407     p_port->i_frame_size = def->nBufferSize;
 408
 409     /* Deal with audio params */
 410     if(p_fmt->i_cat == AUDIO_ES)
 411     {
 412         omx_error = SetAudioParameters(p_port->omx_handle,
 413                                        &p_port->format_param, def->nPortIndex,
 414                                        def->format.audio.eEncoding,
 415                                        p_fmt->i_codec,
 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 if (omx_error != OMX_ErrorNone) {
 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  error:
 441     return omx_error;
 442 }
 443
 444 /*****************************************************************************
 445  * GetPortDefinition: set vlc format based on the definition of the omx port
 446  *****************************************************************************/
 447 static OMX_ERRORTYPE GetPortDefinition(decoder_t *p_dec, OmxPort *p_port,
 448                                        es_format_t *p_fmt)
 449 {
 450     decoder_sys_t *p_sys = p_dec->p_sys;
 451     OMX_PARAM_PORTDEFINITIONTYPE *def = &p_port->definition;
 452     OMX_ERRORTYPE omx_error;
 453     OMX_CONFIG_RECTTYPE crop_rect;
 454
 455     omx_error = OMX_GetParameter(p_port->omx_handle,
 456                                  OMX_IndexParamPortDefinition, def);
 457     CHECK_ERROR(omx_error, "OMX_GetParameter failed (%x : %s)",
 458                 omx_error, ErrorToString(omx_error));
 459
 460     switch(p_fmt->i_cat)
 461     {
 462     case VIDEO_ES:
 463         p_fmt->video.i_width = def->format.video.nFrameWidth;
 464         p_fmt->video.i_visible_width = def->format.video.nFrameWidth;
 465         p_fmt->video.i_height = def->format.video.nFrameHeight;
 466         p_fmt->video.i_visible_height = def->format.video.nFrameHeight;
 467         p_fmt->video.i_frame_rate = p_dec->fmt_in.video.i_frame_rate;
 468         p_fmt->video.i_frame_rate_base = p_dec->fmt_in.video.i_frame_rate_base;
 469
 470         OMX_INIT_STRUCTURE(crop_rect);
 471         crop_rect.nPortIndex = def->nPortIndex;
 472         omx_error = OMX_GetConfig(p_port->omx_handle, OMX_IndexConfigCommonOutputCrop, &crop_rect);
 473         if (omx_error == OMX_ErrorNone)
 474         {
 475             if (!def->format.video.nSliceHeight)
 476                 def->format.video.nSliceHeight = def->format.video.nFrameHeight;
 477             if (!def->format.video.nStride)
 478                 def->format.video.nStride = def->format.video.nFrameWidth;
 479             p_fmt->video.i_width = crop_rect.nWidth;
 480             p_fmt->video.i_visible_width = crop_rect.nWidth;
 481             p_fmt->video.i_height = crop_rect.nHeight;
 482             p_fmt->video.i_visible_height = crop_rect.nHeight;
 483             if (def->format.video.eColorFormat == OMX_TI_COLOR_FormatYUV420PackedSemiPlanar)
 484                 def->format.video.nSliceHeight -= crop_rect.nTop/2;
 485         }
 486         else
 487         {
 488             /* Don't pass the error back to the caller, this isn't mandatory */
 489             omx_error = OMX_ErrorNone;
 490         }
 491
 492         /* Hack: Nexus One (stock firmware with binary OMX driver blob)
 493          * claims to output 420Planar even though it in in practice is
 494          * NV21. */
 495         if(def->format.video.eColorFormat == OMX_COLOR_FormatYUV420Planar &&
 496            !strncmp(p_sys->psz_component, "OMX.qcom.video.decoder",
 497                     strlen("OMX.qcom.video.decoder")))
 498             def->format.video.eColorFormat = OMX_QCOM_COLOR_FormatYVU420SemiPlanar;
 499
 500         if (IgnoreOmxDecoderPadding(p_sys->psz_component)) {
 501             def->format.video.nSliceHeight = 0;
 502             def->format.video.nStride = p_fmt->video.i_width;
 503         }
 504
 505         if(!GetVlcVideoFormat( def->format.video.eCompressionFormat,
 506                                &p_fmt->i_codec, 0 ) )
 507         {
 508             if( !GetVlcChromaFormat( def->format.video.eColorFormat,
 509                                      &p_fmt->i_codec, 0 ) )
 510             {
 511                 omx_error = OMX_ErrorNotImplemented;
 512                 CHECK_ERROR(omx_error, "OMX color format %i not supported",
 513                             (int)def->format.video.eColorFormat );
 514             }
 515             GetVlcChromaSizes( p_fmt->i_codec,
 516                                def->format.video.nFrameWidth,
 517                                def->format.video.nFrameHeight,
 518                                &p_port->i_frame_size, &p_port->i_frame_stride,
 519                                &p_port->i_frame_stride_chroma_div );
 520         }
 521         if(p_port->i_frame_size > def->nBufferSize)
 522             def->nBufferSize = p_port->i_frame_size;
 523         p_port->i_frame_size = def->nBufferSize;
 524 #if 0
 525         if((int)p_port->i_frame_stride > def->format.video.nStride)
 526             def->format.video.nStride = p_port->i_frame_stride;
 527 #endif
 528         p_port->i_frame_stride = def->format.video.nStride;
 529         break;
 530
 531     case AUDIO_ES:
 532         if( !OmxToVlcAudioFormat( def->format.audio.eEncoding,
 533                                 &p_fmt->i_codec, 0 ) )
 534         {
 535             omx_error = OMX_ErrorNotImplemented;
 536             CHECK_ERROR(omx_error, "OMX audio format %i not supported",
 537                         (int)def->format.audio.eEncoding );
 538         }
 539
 540         omx_error = GetAudioParameters(p_port->omx_handle,
 541                                        &p_port->format_param, def->nPortIndex,
 542                                        def->format.audio.eEncoding,
 543                                        &p_fmt->audio.i_channels,
 544                                        &p_fmt->audio.i_rate,
 545                                        &p_fmt->i_bitrate,
 546                                        &p_fmt->audio.i_bitspersample,
 547                                        &p_fmt->audio.i_blockalign);
 548         CHECK_ERROR(omx_error, "GetAudioParameters failed (%x : %s)",
 549                     omx_error, ErrorToString(omx_error));
 550
 551         if(p_fmt->audio.i_channels < 9)
 552         {
 553             static const int pi_channels_maps[9] =
 554             {
 555                 0, AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 556                 AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
 557                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
 558                 | AOUT_CHAN_REARRIGHT,
 559                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 560                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
 561                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 562                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
 563                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
 564                 | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT
 565                 | AOUT_CHAN_MIDDLERIGHT,
 566                 AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
 567                 | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
 568                 | AOUT_CHAN_LFE
 569             };
 570             p_fmt->audio.i_physical_channels =
 571                 p_fmt->audio.i_original_channels =
 572                     pi_channels_maps[p_fmt->audio.i_channels];
 573         }
 574
 575         date_Init( &p_dec->p_sys->end_date, p_fmt->audio.i_rate, 1 );
 576
 577         break;
 578
 579     default: return OMX_ErrorNotImplemented;
 580     }
 581
 582  error:
 583     return omx_error;
 584 }
 585
 586 /*****************************************************************************
 587  * DeinitialiseComponent: Deinitialise and unload an OMX component
 588  *****************************************************************************/
 589 static OMX_ERRORTYPE DeinitialiseComponent(decoder_t *p_dec,
 590                                            OMX_HANDLETYPE omx_handle)
 591 {
 592     decoder_sys_t *p_sys = p_dec->p_sys;
 593     OMX_ERRORTYPE omx_error;
 594     OMX_STATETYPE state;
 595     unsigned int i, j;
 596
 597     if(!omx_handle) return OMX_ErrorNone;
 598
 599     omx_error = OMX_GetState(omx_handle, &state);
 600     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 601
 602     if(state == OMX_StateExecuting)
 603     {
 604         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 605                                      OMX_StateIdle, 0 );
 606         CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
 607         while (1) {
 608             OMX_U32 cmd, state;
 609             omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, &cmd, &state, 0);
 610             CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
 611             // The event queue can contain other OMX_EventCmdComplete items,
 612             // such as for OMX_CommandFlush
 613             if (cmd == OMX_CommandStateSet && state == OMX_StateIdle)
 614                 break;
 615         }
 616     }
 617
 618     omx_error = OMX_GetState(omx_handle, &state);
 619     CHECK_ERROR(omx_error, "OMX_GetState failed (%x)", omx_error );
 620
 621     if(state == OMX_StateIdle)
 622     {
 623         omx_error = OMX_SendCommand( omx_handle, OMX_CommandStateSet,
 624                                      OMX_StateLoaded, 0 );
 625         CHECK_ERROR(omx_error, "OMX_CommandStateSet Loaded failed (%x)", omx_error );
 626
 627         for(i = 0; i < p_sys->ports; i++)
 628         {
 629             OmxPort *p_port = &p_sys->p_ports[i];
 630             OMX_BUFFERHEADERTYPE *p_buffer;
 631
 632             for(j = 0; j < p_port->i_buffers; j++)
 633             {
 634                 OMX_FIFO_GET(&p_port->fifo, p_buffer);
 635                 if (p_buffer->nFlags & SENTINEL_FLAG) {
 636                     free(p_buffer);
 637                     j--;
 638                     continue;
 639                 }
 640                 omx_error = OMX_FreeBuffer( omx_handle,
 641                                             p_port->i_port_index, p_buffer );
 642
 643                 if(omx_error != OMX_ErrorNone) break;
 644             }
 645             CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
 646                         omx_error, (int)p_port->i_port_index, j );
 647             while (1) {
 648                 OMX_FIFO_PEEK(&p_port->fifo, p_buffer);
 649                 if (!p_buffer) break;
 650
 651                 OMX_FIFO_GET(&p_port->fifo, p_buffer);
 652                 if (p_buffer->nFlags & SENTINEL_FLAG) {
 653                     free(p_buffer);
 654                     continue;
 655                 }
 656                 msg_Warn( p_dec, "Stray buffer left in fifo, %p", p_buffer );
 657             }
 658         }
 659
 660         omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 661         CHECK_ERROR(omx_error, "Wait for Loaded failed (%x)", omx_error );
 662     }
 663
 664  error:
 665     for(i = 0; i < p_sys->ports; i++)
 666     {
 667         OmxPort *p_port = &p_sys->p_ports[i];
 668         free(p_port->pp_buffers);
 669         p_port->pp_buffers = 0;
 670     }
 671     omx_error = pf_free_handle( omx_handle );
 672     return omx_error;
 673 }
 674
 675 /*****************************************************************************
 676  * InitialiseComponent: Load and initialise an OMX component
 677  *****************************************************************************/
 678 static OMX_ERRORTYPE InitialiseComponent(decoder_t *p_dec,
 679     OMX_STRING psz_component, OMX_HANDLETYPE *p_handle)
 680 {
 681     static OMX_CALLBACKTYPE callbacks =
 682         { OmxEventHandler, OmxEmptyBufferDone, OmxFillBufferDone };
 683     decoder_sys_t *p_sys = p_dec->p_sys;
 684     OMX_HANDLETYPE omx_handle;
 685     OMX_ERRORTYPE omx_error;
 686     unsigned int i;
 687     OMX_U8 psz_role[OMX_MAX_STRINGNAME_SIZE];
 688     OMX_PARAM_COMPONENTROLETYPE role;
 689     OMX_PARAM_PORTDEFINITIONTYPE definition;
 690     OMX_PORT_PARAM_TYPE param;
 691
 692     /* Load component */
 693     omx_error = pf_get_handle( &omx_handle, psz_component, p_dec, &callbacks );
 694     if(omx_error != OMX_ErrorNone)
 695     {
 696         msg_Warn( p_dec, "OMX_GetHandle(%s) failed (%x: %s)", psz_component,
 697                   omx_error, ErrorToString(omx_error) );
 698         return omx_error;
 699     }
 700     strncpy(p_sys->psz_component, psz_component, OMX_MAX_STRINGNAME_SIZE-1);
 701
 702     omx_error = OMX_ComponentRoleEnum(omx_handle, psz_role, 0);
 703     if(omx_error == OMX_ErrorNone)
 704         msg_Dbg(p_dec, "loaded component %s of role %s", psz_component, psz_role);
 705     else
 706         msg_Dbg(p_dec, "loaded component %s", psz_component);
 707     PrintOmx(p_dec, omx_handle, OMX_ALL);
 708
 709     /* Set component role */
 710     OMX_INIT_STRUCTURE(role);
 711     strcpy((char*)role.cRole,
 712            GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec : p_dec->fmt_in.i_codec,
 713                       p_dec->fmt_in.i_cat, p_sys->b_enc));
 714
 715     omx_error = OMX_SetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 716                                  &role);
 717     omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamStandardComponentRole,
 718                                  &role);
 719     if(omx_error == OMX_ErrorNone)
 720         msg_Dbg(p_dec, "component standard role set to %s", role.cRole);
 721
 722     /* Find the input / output ports */
 723     OMX_INIT_STRUCTURE(param);
 724     OMX_INIT_STRUCTURE(definition);
 725     omx_error = OMX_GetParameter(omx_handle, p_dec->fmt_in.i_cat == VIDEO_ES ?
 726                                  OMX_IndexParamVideoInit : OMX_IndexParamAudioInit, &param);
 727     if(omx_error != OMX_ErrorNone) {
 728 #ifdef __ANDROID__
 729         param.nPorts = 2;
 730         param.nStartPortNumber = 0;
 731 #else
 732         param.nPorts = 0;
 733 #endif
 734     }
 735
 736     for(i = 0; i < param.nPorts; i++)
 737     {
 738         OmxPort *p_port;
 739
 740         /* Get port definition */
 741         definition.nPortIndex = param.nStartPortNumber + i;
 742         omx_error = OMX_GetParameter(omx_handle, OMX_IndexParamPortDefinition,
 743                                      &definition);
 744         if(omx_error != OMX_ErrorNone) continue;
 745
 746         if(definition.eDir == OMX_DirInput) p_port = &p_sys->in;
 747         else  p_port = &p_sys->out;
 748
 749         p_port->b_valid = true;
 750         p_port->i_port_index = definition.nPortIndex;
 751         p_port->definition = definition;
 752         p_port->omx_handle = omx_handle;
 753     }
 754
 755     if(!p_sys->in.b_valid || !p_sys->out.b_valid)
 756     {
 757         omx_error = OMX_ErrorInvalidComponent;
 758         CHECK_ERROR(omx_error, "couldn't find an input and output port");
 759     }
 760
 761     if(!strncmp(p_sys->psz_component, "OMX.SEC.", 8) &&
 762        p_dec->fmt_in.i_cat == VIDEO_ES)
 763     {
 764         OMX_INDEXTYPE index;
 765         omx_error = OMX_GetExtensionIndex(omx_handle, (OMX_STRING) "OMX.SEC.index.ThumbnailMode", &index);
 766         if(omx_error == OMX_ErrorNone)
 767         {
 768             OMX_BOOL enable = OMX_TRUE;
 769             omx_error = OMX_SetConfig(omx_handle, index, &enable);
 770             CHECK_ERROR(omx_error, "Unable to set ThumbnailMode");
 771         } else {
 772             OMX_BOOL enable = OMX_TRUE;
 773             /* Needed on Samsung Galaxy S II */
 774             omx_error = OMX_SetConfig(omx_handle, OMX_IndexVendorSetYUV420pMode, &enable);
 775             if (omx_error == OMX_ErrorNone)
 776                 msg_Dbg(p_dec, "Set OMX_IndexVendorSetYUV420pMode successfully");
 777             else
 778                 msg_Dbg(p_dec, "Unable to set OMX_IndexVendorSetYUV420pMode: %x", omx_error);
 779         }
 780     }
 781
 782     /* Set port definitions */
 783     for(i = 0; i < p_sys->ports; i++)
 784     {
 785         omx_error = SetPortDefinition(p_dec, &p_sys->p_ports[i],
 786                                       p_sys->p_ports[i].p_fmt);
 787         if(omx_error != OMX_ErrorNone) goto error;
 788     }
 789
 790     /* Allocate our array for the omx buffers and enable ports */
 791     for(i = 0; i < p_sys->ports; i++)
 792     {
 793         OmxPort *p_port = &p_sys->p_ports[i];
 794
 795         p_port->pp_buffers =
 796             malloc(p_port->definition.nBufferCountActual *
 797                    sizeof(OMX_BUFFERHEADERTYPE*));
 798         if(!p_port->pp_buffers)
 799         {
 800           omx_error = OMX_ErrorInsufficientResources;
 801           CHECK_ERROR(omx_error, "memory allocation failed");
 802         }
 803         p_port->i_buffers = p_port->definition.nBufferCountActual;
 804
 805         /* Enable port */
 806         if(!p_port->definition.bEnabled)
 807         {
 808             omx_error = OMX_SendCommand( omx_handle, OMX_CommandPortEnable,
 809                                          p_port->i_port_index, NULL);
 810             CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
 811                         (int)p_port->i_port_index, omx_error );
 812             omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
 813             CHECK_ERROR(omx_error, "Wait for PortEnable on %i failed (%x)",
 814                         (int)p_port->i_port_index, omx_error );
 815         }
 816     }
 817
 818     *p_handle = omx_handle;
 819     return OMX_ErrorNone;
 820
 821  error:
 822     DeinitialiseComponent(p_dec, omx_handle);
 823     *p_handle = 0;
 824     return omx_error;
 825 }
 826
 827 /*****************************************************************************
 828  * OpenDecoder: Create the decoder instance
 829  *****************************************************************************/
 830 static int OpenDecoder( vlc_object_t *p_this )
 831 {
 832     decoder_t *p_dec = (decoder_t*)p_this;
 833     int status;
 834
 835     if( 0 || !GetOmxRole(p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat, false) )
 836         return VLC_EGENERIC;
 837
 838     status = OpenGeneric( p_this, false );
 839     if(status != VLC_SUCCESS) return status;
 840
 841     p_dec->pf_decode_video = DecodeVideo;
 842     p_dec->pf_decode_audio = DecodeAudio;
 843
 844     return VLC_SUCCESS;
 845 }
 846
 847 /*****************************************************************************
 848  * OpenEncoder: Create the encoder instance
 849  *****************************************************************************/
 850 static int OpenEncoder( vlc_object_t *p_this )
 851 {
 852     encoder_t *p_enc = (encoder_t*)p_this;
 853     int status;
 854
 855     if( !GetOmxRole(p_enc->fmt_out.i_codec, p_enc->fmt_in.i_cat, true) )
 856         return VLC_EGENERIC;
 857
 858     status = OpenGeneric( p_this, true );
 859     if(status != VLC_SUCCESS) return status;
 860
 861     p_enc->pf_encode_video = EncodeVideo;
 862
 863     return VLC_SUCCESS;
 864 }
 865
 866 /*****************************************************************************
 867  * OpenGeneric: Create the generic decoder/encoder instance
 868  *****************************************************************************/
 869 static int OpenGeneric( vlc_object_t *p_this, bool b_encode )
 870 {
 871     decoder_t *p_dec = (decoder_t*)p_this;
 872     decoder_sys_t *p_sys;
 873     OMX_ERRORTYPE omx_error;
 874     OMX_BUFFERHEADERTYPE *p_header;
 875     unsigned int i, j;
 876
 877     vlc_mutex_lock( &omx_core_mutex );
 878     if( omx_refcount > 0 )
 879         goto loaded;
 880
 881     /* Load the OMX core */
 882     for( i = 0; ppsz_dll_list[i]; i++ )
 883     {
 884         dll_handle = dll_open( ppsz_dll_list[i] );
 885         if( dll_handle ) break;
 886     }
 887     if( !dll_handle )
 888     {
 889         vlc_mutex_unlock( &omx_core_mutex );
 890         return VLC_EGENERIC;
 891     }
 892
 893     pf_init = dlsym( dll_handle, "OMX_Init" );
 894     pf_deinit = dlsym( dll_handle, "OMX_Deinit" );
 895     pf_get_handle = dlsym( dll_handle, "OMX_GetHandle" );
 896     pf_free_handle = dlsym( dll_handle, "OMX_FreeHandle" );
 897     pf_component_enum = dlsym( dll_handle, "OMX_ComponentNameEnum" );
 898     pf_get_roles_of_component = dlsym( dll_handle, "OMX_GetRolesOfComponent" );
 899     if( !pf_init || !pf_deinit || !pf_get_handle || !pf_free_handle ||
 900         !pf_component_enum || !pf_get_roles_of_component )
 901     {
 902         msg_Warn( p_this, "cannot find OMX_* symbols in `%s' (%s)",
 903                   ppsz_dll_list[i], dlerror() );
 904         dll_close(dll_handle);
 905         vlc_mutex_unlock( &omx_core_mutex );
 906         return VLC_EGENERIC;
 907     }
 908
 909 loaded:
 910     /* Allocate the memory needed to store the decoder's structure */
 911     if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(*p_sys)) ) == NULL )
 912     {
 913         if( omx_refcount == 0 )
 914             dll_close(dll_handle);
 915         vlc_mutex_unlock( &omx_core_mutex );
 916         return VLC_ENOMEM;
 917     }
 918
 919     /* Initialise the thread properties */
 920     if(!b_encode)
 921     {
 922         p_dec->fmt_out.i_cat = p_dec->fmt_in.i_cat;
 923         p_dec->fmt_out.video = p_dec->fmt_in.video;
 924         p_dec->fmt_out.audio = p_dec->fmt_in.audio;
 925         p_dec->fmt_out.i_codec = 0;
 926     }
 927     p_sys->b_enc = b_encode;
 928     p_sys->pp_last_event = &p_sys->p_events;
 929     vlc_mutex_init (&p_sys->mutex);
 930     vlc_cond_init (&p_sys->cond);
 931     vlc_mutex_init (&p_sys->in.fifo.lock);
 932     vlc_cond_init (&p_sys->in.fifo.wait);
 933     p_sys->in.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pOutputPortPrivate) / sizeof(void *);
 934     p_sys->in.fifo.pp_last = &p_sys->in.fifo.p_first;
 935     p_sys->in.b_direct = false;
 936     p_sys->in.b_flushed = true;
 937     p_sys->in.p_fmt = &p_dec->fmt_in;
 938     vlc_mutex_init (&p_sys->out.fifo.lock);
 939     vlc_cond_init (&p_sys->out.fifo.wait);
 940     p_sys->out.fifo.offset = offsetof(OMX_BUFFERHEADERTYPE, pInputPortPrivate) / sizeof(void *);
 941     p_sys->out.fifo.pp_last = &p_sys->out.fifo.p_first;
 942     p_sys->out.b_direct = false;
 943     p_sys->out.b_flushed = true;
 944     p_sys->out.p_fmt = &p_dec->fmt_out;
 945     p_sys->ports = 2;
 946     p_sys->p_ports = &p_sys->in;
 947     p_sys->b_use_pts = 0;
 948
 949     msg_Dbg(p_dec, "fmt in:%4.4s, out: %4.4s", (char *)&p_dec->fmt_in.i_codec,
 950             (char *)&p_dec->fmt_out.i_codec);
 951
 952     /* Initialise the OMX core */
 953     omx_error = omx_refcount > 0 ? OMX_ErrorNone : pf_init();
 954     omx_refcount++;
 955     if(omx_error != OMX_ErrorNone)
 956     {
 957         msg_Warn( p_this, "OMX_Init failed (%x: %s)", omx_error,
 958                   ErrorToString(omx_error) );
 959         vlc_mutex_unlock( &omx_core_mutex );
 960         CloseGeneric(p_this);
 961         return VLC_EGENERIC;
 962     }
 963     p_sys->b_init = true;
 964     vlc_mutex_unlock( &omx_core_mutex );
 965
 966     /* Enumerate components and build a list of the one we want to try */
 967     if( !CreateComponentsList(p_dec,
 968              GetOmxRole(p_sys->b_enc ? p_dec->fmt_out.i_codec :
 969                         p_dec->fmt_in.i_codec, p_dec->fmt_in.i_cat,
 970                         p_sys->b_enc)) )
 971     {
 972         msg_Warn( p_this, "couldn't find an omx component for codec %4.4s",
 973                   (char *)&p_dec->fmt_in.i_codec );
 974         CloseGeneric(p_this);
 975         return VLC_EGENERIC;
 976     }
 977
 978     /* Try to load and initialise a component */
 979     omx_error = OMX_ErrorUndefined;
 980     for(i = 0; i < p_sys->components; i++)
 981     {
 982 #ifdef __ANDROID__
 983         /* ignore OpenCore software codecs */
 984         if (!strncmp(p_sys->ppsz_components[i], "OMX.PV.", 7))
 985             continue;
 986         /* The same sw codecs, renamed in ICS (perhaps also in honeycomb) */
 987         if (!strncmp(p_sys->ppsz_components[i], "OMX.google.", 11))
 988             continue;
 989         /* This one has been seen on HTC One V - it behaves like it works,
 990          * but FillBufferDone returns buffers filled with 0 bytes. The One V
 991          * has got a working OMX.qcom.video.decoder.avc instead though. */
 992         if (!strncmp(p_sys->ppsz_components[i], "OMX.ARICENT.", 12))
 993             continue;
 994         /* Codecs with DRM, that don't output plain YUV data but only
 995          * support direct rendering where the output can't be intercepted. */
 996         if (strstr(p_sys->ppsz_components[i], ".secure"))
 997             continue;
 998         /* Use VC1 decoder for WMV3 for now */
 999         if (!strcmp(p_sys->ppsz_components[i], "OMX.SEC.WMV.Decoder"))
1000             continue;
1001         /* This decoder does work, but has an insane latency (leading to errors
1002          * about "main audio output playback way too late" and dropped frames).
1003          * At least Samsung Galaxy S III (where this decoder is present) has
1004          * got another one, OMX.SEC.mp3.dec, that works well and has a
1005          * sensible latency. (Also, even if that one isn't found, in general,
1006          * using SW codecs is usually more than fast enough for MP3.) */
1007         if (!strcmp(p_sys->ppsz_components[i], "OMX.SEC.MP3.Decoder"))
1008             continue;
1009         /* This codec should be able to handle both VC1 and WMV3, but
1010          * for VC1 it doesn't output any buffers at all (in the way we use
1011          * it) and for WMV3 it outputs plain black buffers. Thus ignore
1012          * it until we can make it work properly. */
1013         if (!strcmp(p_sys->ppsz_components[i], "OMX.Nvidia.vc1.decode"))
1014             continue;
1015 #endif
1016         omx_error = InitialiseComponent(p_dec, p_sys->ppsz_components[i],
1017                                         &p_sys->omx_handle);
1018         if(omx_error == OMX_ErrorNone) break;
1019     }
1020     CHECK_ERROR(omx_error, "no component could be initialised" );
1021
1022     /* Move component to Idle then Executing state */
1023     OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet, OMX_StateIdle, 0 );
1024     CHECK_ERROR(omx_error, "OMX_CommandStateSet Idle failed (%x)", omx_error );
1025
1026     /* Allocate omx buffers */
1027     for(i = 0; i < p_sys->ports; i++)
1028     {
1029         OmxPort *p_port = &p_sys->p_ports[i];
1030
1031         for(j = 0; j < p_port->i_buffers; j++)
1032         {
1033 #if 0
1034 #define ALIGN(x,BLOCKLIGN) (((x) + BLOCKLIGN - 1) & ~(BLOCKLIGN - 1))
1035             char *p_buf = malloc(p_port->definition.nBufferSize +
1036                                  p_port->definition.nBufferAlignment);
1037             p_port->pp_buffers[i] = (void *)ALIGN((uintptr_t)p_buf, p_port->definition.nBufferAlignment);
1038 #endif
1039
1040             if(p_port->b_direct)
1041                 omx_error =
1042                     OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
1043                                    p_port->i_port_index, 0,
1044                                    p_port->definition.nBufferSize, (void*)1);
1045             else
1046                 omx_error =
1047                     OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[j],
1048                                         p_port->i_port_index, 0,
1049                                         p_port->definition.nBufferSize);
1050
1051             if(omx_error != OMX_ErrorNone) break;
1052             OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[j]);
1053         }
1054         p_port->i_buffers = j;
1055         CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
1056                     omx_error, (int)p_port->i_port_index, j );
1057     }
1058
1059     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1060     CHECK_ERROR(omx_error, "Wait for Idle failed (%x)", omx_error );
1061
1062     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandStateSet,
1063                                  OMX_StateExecuting, 0);
1064     CHECK_ERROR(omx_error, "OMX_CommandStateSet Executing failed (%x)", omx_error );
1065     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1066     CHECK_ERROR(omx_error, "Wait for Executing failed (%x)", omx_error );
1067
1068     /* Send codec configuration data */
1069     if( p_dec->fmt_in.i_extra )
1070     {
1071         OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1072         p_header->nFilledLen = p_dec->fmt_in.i_extra;
1073
1074         /* Convert H.264 NAL format to annex b */
1075         if( p_sys->i_nal_size_length && !p_sys->in.b_direct )
1076         {
1077             p_header->nFilledLen = 0;
1078             convert_sps_pps( p_dec, p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra,
1079                              p_header->pBuffer, p_header->nAllocLen,
1080                              (uint32_t*) &p_header->nFilledLen, NULL );
1081         }
1082         else if(p_sys->in.b_direct)
1083         {
1084             p_header->pOutputPortPrivate = p_header->pBuffer;
1085             p_header->pBuffer = p_dec->fmt_in.p_extra;
1086         }
1087         else if (p_dec->fmt_in.i_codec == VLC_CODEC_WMV3 &&
1088                  p_dec->fmt_in.i_extra >= 4 &&
1089                  p_header->nAllocLen >= 36)
1090         {
1091             int profile;
1092             // According to OMX IL 1.2.0 spec (4.3.33.2), the codec config
1093             // data for VC-1 Main/Simple (aka WMV3) is according to table 265
1094             // in the VC-1 spec. Most of the fields are just set with placeholders
1095             // (like framerate, hrd_buffer/rate).
1096             static const uint8_t wmv3seq[] = {
1097                 0xff, 0xff, 0xff, 0xc5, // numframes=ffffff, marker byte
1098                 0x04, 0x00, 0x00, 0x00, // marker byte
1099                 0x00, 0x00, 0x00, 0x00, // struct C, almost equal to p_extra
1100                 0x00, 0x00, 0x00, 0x00, // struct A, vert size
1101                 0x00, 0x00, 0x00, 0x00, // struct A, horiz size
1102                 0x0c, 0x00, 0x00, 0x00, // marker byte
1103                 0xff, 0xff, 0x00, 0x80, // struct B, level=4, cbr=0, hrd_buffer=ffff
1104                 0xff, 0xff, 0x00, 0x00, // struct B, hrd_rate=ffff
1105                 0xff, 0xff, 0xff, 0xff, // struct B, framerate=ffffffff
1106             };
1107             p_header->nFilledLen = sizeof(wmv3seq);
1108             memcpy(p_header->pBuffer, wmv3seq, p_header->nFilledLen);
1109             // Struct C - almost equal to the extradata
1110             memcpy(&p_header->pBuffer[8], p_dec->fmt_in.p_extra, 4);
1111             // Expand profile from the highest 2 bits to the highest 4 bits
1112             profile = p_header->pBuffer[8] >> 6;
1113             p_header->pBuffer[8] = (p_header->pBuffer[8] & 0x0f) | (profile << 4);
1114             // Fill in the height/width for struct A
1115             SetDWLE(&p_header->pBuffer[12], p_dec->fmt_in.video.i_height);
1116             SetDWLE(&p_header->pBuffer[16], p_dec->fmt_in.video.i_width);
1117         }
1118         else
1119         {
1120             if(p_header->nFilledLen > p_header->nAllocLen)
1121             {
1122                 msg_Dbg(p_dec, "buffer too small (%i,%i)", (int)p_header->nFilledLen,
1123                         (int)p_header->nAllocLen);
1124                 p_header->nFilledLen = p_header->nAllocLen;
1125             }
1126             memcpy(p_header->pBuffer, p_dec->fmt_in.p_extra, p_header->nFilledLen);
1127         }
1128
1129         p_header->nOffset = 0;
1130         p_header->nFlags = OMX_BUFFERFLAG_CODECCONFIG | OMX_BUFFERFLAG_ENDOFFRAME;
1131         msg_Dbg(p_dec, "sending codec config data %p, %p, %i", p_header,
1132                 p_header->pBuffer, (int)p_header->nFilledLen);
1133         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1134     }
1135
1136     /* Get back output port definition */
1137     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1138     if(omx_error != OMX_ErrorNone) goto error;
1139
1140     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
1141     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
1142
1143     if(p_sys->b_error) goto error;
1144
1145     p_dec->b_need_packetized = true;
1146     if (!strcmp(p_sys->psz_component, "OMX.TI.DUCATI1.VIDEO.DECODER"))
1147         p_sys->b_use_pts = 1;
1148
1149     if (!strcmp(p_sys->psz_component, "OMX.STM.Video.Decoder"))
1150         p_sys->b_use_pts = 1;
1151
1152     if (p_sys->b_use_pts)
1153         msg_Dbg( p_dec, "using pts timestamp mode for %s", p_sys->psz_component);
1154
1155     return VLC_SUCCESS;
1156
1157  error:
1158     CloseGeneric(p_this);
1159     return VLC_EGENERIC;
1160 }
1161
1162 /*****************************************************************************
1163  * PortReconfigure
1164  *****************************************************************************/
1165 static OMX_ERRORTYPE PortReconfigure(decoder_t *p_dec, OmxPort *p_port)
1166 {
1167     decoder_sys_t *p_sys = p_dec->p_sys;
1168     OMX_PARAM_PORTDEFINITIONTYPE definition;
1169     OMX_BUFFERHEADERTYPE *p_buffer;
1170     OMX_ERRORTYPE omx_error;
1171     unsigned int i;
1172
1173     /* Sanity checking */
1174     OMX_INIT_STRUCTURE(definition);
1175     definition.nPortIndex = p_port->i_port_index;
1176     omx_error = OMX_GetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
1177                                  &definition);
1178     if(omx_error != OMX_ErrorNone || (p_dec->fmt_in.i_cat == VIDEO_ES &&
1179        (!definition.format.video.nFrameWidth ||
1180        !definition.format.video.nFrameHeight)) )
1181         return OMX_ErrorUndefined;
1182
1183     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortDisable,
1184                                  p_port->i_port_index, NULL);
1185     CHECK_ERROR(omx_error, "OMX_CommandPortDisable on %i failed (%x)",
1186                 (int)p_port->i_port_index, omx_error );
1187
1188     for(i = 0; i < p_port->i_buffers; i++)
1189     {
1190         OMX_FIFO_GET(&p_port->fifo, p_buffer);
1191         if (p_buffer->nFlags & SENTINEL_FLAG) {
1192             free(p_buffer);
1193             i--;
1194             continue;
1195         }
1196         omx_error = OMX_FreeBuffer( p_sys->omx_handle,
1197                                     p_port->i_port_index, p_buffer );
1198
1199         if(omx_error != OMX_ErrorNone) break;
1200     }
1201     CHECK_ERROR(omx_error, "OMX_FreeBuffer failed (%x, %i, %i)",
1202                 omx_error, (int)p_port->i_port_index, i );
1203
1204     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1205     CHECK_ERROR(omx_error, "Wait for PortDisable failed (%x)", omx_error );
1206
1207     /* Get the new port definition */
1208     omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1209     if(omx_error != OMX_ErrorNone) goto error;
1210
1211     if( p_dec->fmt_in.i_cat != AUDIO_ES )
1212     {
1213         /* Don't explicitly set the new parameters that we got with
1214          * OMX_GetParameter above when using audio codecs.
1215          * That struct hasn't been changed since, so there should be
1216          * no need to set it here, unless some codec expects the
1217          * SetParameter call as a trigger event for some part of
1218          * the reconfiguration.
1219          * This fixes using audio decoders on Samsung Galaxy S II,
1220          *
1221          * Only skipping this for audio codecs, to minimize the
1222          * change for current working configurations for video.
1223          */
1224         omx_error = OMX_SetParameter(p_dec->p_sys->omx_handle, OMX_IndexParamPortDefinition,
1225                                      &definition);
1226         CHECK_ERROR(omx_error, "OMX_SetParameter failed (%x : %s)",
1227                     omx_error, ErrorToString(omx_error));
1228     }
1229
1230     omx_error = OMX_SendCommand( p_sys->omx_handle, OMX_CommandPortEnable,
1231                                  p_port->i_port_index, NULL);
1232     CHECK_ERROR(omx_error, "OMX_CommandPortEnable on %i failed (%x)",
1233                 (int)p_port->i_port_index, omx_error );
1234
1235     if (p_port->definition.nBufferCountActual > p_port->i_buffers) {
1236         free(p_port->pp_buffers);
1237         p_port->pp_buffers = malloc(p_port->definition.nBufferCountActual * sizeof(OMX_BUFFERHEADERTYPE*));
1238         if(!p_port->pp_buffers)
1239         {
1240             omx_error = OMX_ErrorInsufficientResources;
1241             CHECK_ERROR(omx_error, "memory allocation failed");
1242         }
1243     }
1244     p_port->i_buffers = p_port->definition.nBufferCountActual;
1245     for(i = 0; i < p_port->i_buffers; i++)
1246     {
1247         if(p_port->b_direct)
1248             omx_error =
1249                 OMX_UseBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1250                                p_port->i_port_index, 0,
1251                                p_port->definition.nBufferSize, (void*)1);
1252         else
1253             omx_error =
1254                 OMX_AllocateBuffer( p_sys->omx_handle, &p_port->pp_buffers[i],
1255                                     p_port->i_port_index, 0,
1256                                     p_port->definition.nBufferSize);
1257
1258         if(omx_error != OMX_ErrorNone) break;
1259         OMX_FIFO_PUT(&p_port->fifo, p_port->pp_buffers[i]);
1260     }
1261     p_port->i_buffers = i;
1262     CHECK_ERROR(omx_error, "OMX_UseBuffer failed (%x, %i, %i)",
1263                 omx_error, (int)p_port->i_port_index, i );
1264
1265     omx_error = WaitForSpecificOmxEvent(p_dec, OMX_EventCmdComplete, 0, 0, 0);
1266     CHECK_ERROR(omx_error, "Wait for PortEnable failed (%x)", omx_error );
1267
1268     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->in.i_port_index);
1269     PrintOmx(p_dec, p_sys->omx_handle, p_dec->p_sys->out.i_port_index);
1270
1271  error:
1272     return omx_error;
1273 }
1274
1275 /*****************************************************************************
1276  * DecodeVideo: Called to decode one frame
1277  *****************************************************************************/
1278 static picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
1279 {
1280     decoder_sys_t *p_sys = p_dec->p_sys;
1281     picture_t *p_pic = NULL, *p_next_pic;
1282     OMX_ERRORTYPE omx_error;
1283     unsigned int i;
1284
1285     OMX_BUFFERHEADERTYPE *p_header;
1286     block_t *p_block;
1287
1288     if( !pp_block || !*pp_block )
1289         return NULL;
1290
1291     p_block = *pp_block;
1292
1293     /* Check for errors from codec */
1294     if(p_sys->b_error)
1295     {
1296         msg_Dbg(p_dec, "error during decoding");
1297         block_Release( p_block );
1298         return 0;
1299     }
1300
1301     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1302     {
1303         block_Release( p_block );
1304         if(!p_sys->in.b_flushed)
1305         {
1306             msg_Dbg(p_dec, "flushing");
1307             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1308                              p_sys->in.definition.nPortIndex, 0 );
1309         }
1310         p_sys->in.b_flushed = true;
1311         return NULL;
1312     }
1313
1314     /* Take care of decoded frames first */
1315     while(!p_pic)
1316     {
1317         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1318         if(!p_header) break; /* No frame available */
1319
1320         if(p_sys->out.b_update_def)
1321         {
1322             omx_error = GetPortDefinition(p_dec, &p_sys->out, p_sys->out.p_fmt);
1323             p_sys->out.b_update_def = 0;
1324         }
1325
1326         if(p_header->nFilledLen)
1327         {
1328             p_pic = p_header->pAppPrivate;
1329             if(!p_pic)
1330             {
1331                 /* We're not in direct rendering mode.
1332                  * Get a new picture and copy the content */
1333                 p_pic = decoder_NewPicture( p_dec );
1334
1335                 if (p_pic)
1336                     CopyOmxPicture(p_sys->out.definition.format.video.eColorFormat,
1337                                    p_pic, p_sys->out.definition.format.video.nSliceHeight,
1338                                    p_sys->out.i_frame_stride,
1339                                    p_header->pBuffer + p_header->nOffset,
1340                                    p_sys->out.i_frame_stride_chroma_div);
1341             }
1342
1343             if (p_pic)
1344                 p_pic->date = FromOmxTicks(p_header->nTimeStamp);
1345             p_header->nFilledLen = 0;
1346             p_header->pAppPrivate = 0;
1347         }
1348
1349         /* Get a new picture */
1350         if(p_sys->out.b_direct && !p_header->pAppPrivate)
1351         {
1352             p_next_pic = decoder_NewPicture( p_dec );
1353             if(!p_next_pic) break;
1354
1355             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1356             p_header->pAppPrivate = p_next_pic;
1357             p_header->pInputPortPrivate = p_header->pBuffer;
1358             p_header->pBuffer = p_next_pic->p[0].p_pixels;
1359         }
1360         else
1361         {
1362             OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1363         }
1364
1365 #ifdef OMXIL_EXTRA_DEBUG
1366         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1367 #endif
1368         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1369     }
1370
1371     /* Send the input buffer to the component */
1372     OMX_FIFO_GET_TIMEOUT(&p_sys->in.fifo, p_header, 200000);
1373
1374     if (p_header && p_header->nFlags & SENTINEL_FLAG) {
1375         free(p_header);
1376         goto reconfig;
1377     }
1378
1379     if(p_header)
1380     {
1381         p_header->nFilledLen = p_block->i_buffer;
1382         p_header->nOffset = 0;
1383         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1384         if (p_sys->b_use_pts && p_block->i_pts)
1385             p_header->nTimeStamp = ToOmxTicks(p_block->i_pts);
1386         else
1387             p_header->nTimeStamp = ToOmxTicks(p_block->i_dts);
1388
1389         /* In direct mode we pass the input pointer as is.
1390          * Otherwise we memcopy the data */
1391         if(p_sys->in.b_direct)
1392         {
1393             p_header->pOutputPortPrivate = p_header->pBuffer;
1394             p_header->pBuffer = p_block->p_buffer;
1395             p_header->pAppPrivate = p_block;
1396         }
1397         else
1398         {
1399             if(p_header->nFilledLen > p_header->nAllocLen)
1400             {
1401                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1402                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1403                 p_header->nFilledLen = p_header->nAllocLen;
1404             }
1405             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1406             block_Release(p_block);
1407         }
1408
1409         /* Convert H.264 NAL format to annex b. Doesn't do anything if
1410          * i_nal_size_length == 0, which is the case for codecs other
1411          * than H.264 */
1412         convert_h264_to_annexb( p_header->pBuffer, p_header->nFilledLen,
1413                                 p_sys->i_nal_size_length );
1414 #ifdef OMXIL_EXTRA_DEBUG
1415         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1416                  (int)p_header->nFilledLen );
1417 #endif
1418         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1419         p_sys->in.b_flushed = false;
1420         *pp_block = NULL; /* Avoid being fed the same packet again */
1421     }
1422
1423 reconfig:
1424     /* Handle the PortSettingsChanged events */
1425     for(i = 0; i < p_sys->ports; i++)
1426     {
1427         OmxPort *p_port = &p_sys->p_ports[i];
1428         if(p_port->b_reconfigure)
1429         {
1430             omx_error = PortReconfigure(p_dec, p_port);
1431             p_port->b_reconfigure = 0;
1432         }
1433         if(p_port->b_update_def)
1434         {
1435             omx_error = GetPortDefinition(p_dec, p_port, p_port->p_fmt);
1436             p_port->b_update_def = 0;
1437         }
1438     }
1439
1440     return p_pic;
1441 }
1442
1443 /*****************************************************************************
1444  * DecodeAudio: Called to decode one frame
1445  *****************************************************************************/
1446 block_t *DecodeAudio ( decoder_t *p_dec, block_t **pp_block )
1447 {
1448     decoder_sys_t *p_sys = p_dec->p_sys;
1449     block_t *p_buffer = NULL;
1450     OMX_BUFFERHEADERTYPE *p_header;
1451     OMX_ERRORTYPE omx_error;
1452     block_t *p_block;
1453     unsigned int i;
1454
1455     if( !pp_block || !*pp_block ) return NULL;
1456
1457     p_block = *pp_block;
1458
1459     /* Check for errors from codec */
1460     if(p_sys->b_error)
1461     {
1462         msg_Dbg(p_dec, "error during decoding");
1463         block_Release( p_block );
1464         return 0;
1465     }
1466
1467     if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
1468     {
1469         block_Release( p_block );
1470         date_Set( &p_sys->end_date, 0 );
1471         if(!p_sys->in.b_flushed)
1472         {
1473             msg_Dbg(p_dec, "flushing");
1474             OMX_SendCommand( p_sys->omx_handle, OMX_CommandFlush,
1475                              p_sys->in.definition.nPortIndex, 0 );
1476         }
1477         p_sys->in.b_flushed = true;
1478         return NULL;
1479     }
1480
1481     if( !date_Get( &p_sys->end_date ) )
1482     {
1483         if( !p_block->i_pts )
1484         {
1485             /* We've just started the stream, wait for the first PTS. */
1486             block_Release( p_block );
1487             return NULL;
1488         }
1489         date_Set( &p_sys->end_date, p_block->i_pts );
1490     }
1491
1492     /* Take care of decoded frames first */
1493     while(!p_buffer)
1494     {
1495         unsigned int i_samples = 0;
1496
1497         OMX_FIFO_PEEK(&p_sys->out.fifo, p_header);
1498         if(!p_header) break; /* No frame available */
1499
1500         if (p_sys->out.p_fmt->audio.i_channels)
1501             i_samples = p_header->nFilledLen / p_sys->out.p_fmt->audio.i_channels / 2;
1502         if(i_samples)
1503         {
1504             p_buffer = decoder_NewAudioBuffer( p_dec, i_samples );
1505             if( !p_buffer ) break; /* No audio buffer available */
1506
1507             memcpy( p_buffer->p_buffer, p_header->pBuffer, p_buffer->i_buffer );
1508             p_header->nFilledLen = 0;
1509
1510             int64_t timestamp = FromOmxTicks(p_header->nTimeStamp);
1511             if( timestamp != 0 &&
1512                 timestamp != date_Get( &p_sys->end_date ) )
1513                 date_Set( &p_sys->end_date, timestamp );
1514
1515             p_buffer->i_pts = date_Get( &p_sys->end_date );
1516             p_buffer->i_length = date_Increment( &p_sys->end_date, i_samples ) -
1517                 p_buffer->i_pts;
1518         }
1519
1520 #ifdef OMXIL_EXTRA_DEBUG
1521         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1522 #endif
1523         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1524         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1525     }
1526
1527
1528     /* Send the input buffer to the component */
1529     OMX_FIFO_GET_TIMEOUT(&p_sys->in.fifo, p_header, 200000);
1530
1531     if (p_header && p_header->nFlags & SENTINEL_FLAG) {
1532         free(p_header);
1533         goto reconfig;
1534     }
1535
1536     if(p_header)
1537     {
1538         p_header->nFilledLen = p_block->i_buffer;
1539         p_header->nOffset = 0;
1540         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1541         p_header->nTimeStamp = ToOmxTicks(p_block->i_dts);
1542
1543         /* In direct mode we pass the input pointer as is.
1544          * Otherwise we memcopy the data */
1545         if(p_sys->in.b_direct)
1546         {
1547             p_header->pOutputPortPrivate = p_header->pBuffer;
1548             p_header->pBuffer = p_block->p_buffer;
1549             p_header->pAppPrivate = p_block;
1550         }
1551         else
1552         {
1553             if(p_header->nFilledLen > p_header->nAllocLen)
1554             {
1555                 msg_Dbg(p_dec, "buffer too small (%i,%i)",
1556                         (int)p_header->nFilledLen, (int)p_header->nAllocLen);
1557                 p_header->nFilledLen = p_header->nAllocLen;
1558             }
1559             memcpy(p_header->pBuffer, p_block->p_buffer, p_header->nFilledLen );
1560             block_Release(p_block);
1561         }
1562
1563 #ifdef OMXIL_EXTRA_DEBUG
1564         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1565                  (int)p_header->nFilledLen );
1566 #endif
1567         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1568         p_sys->in.b_flushed = false;
1569         *pp_block = NULL; /* Avoid being fed the same packet again */
1570     }
1571
1572 reconfig:
1573     /* Handle the PortSettingsChanged events */
1574     for(i = 0; i < p_sys->ports; i++)
1575     {
1576         OmxPort *p_port = &p_sys->p_ports[i];
1577         if(!p_port->b_reconfigure) continue;
1578         p_port->b_reconfigure = 0;
1579         omx_error = PortReconfigure(p_dec, p_port);
1580     }
1581
1582     return p_buffer;
1583 }
1584
1585 /*****************************************************************************
1586  * EncodeVideo: Called to encode one frame
1587  *****************************************************************************/
1588 static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pic )
1589 {
1590     decoder_t *p_dec = ( decoder_t *)p_enc;
1591     decoder_sys_t *p_sys = p_dec->p_sys;
1592     OMX_ERRORTYPE omx_error;
1593     unsigned int i;
1594
1595     OMX_BUFFERHEADERTYPE *p_header;
1596     block_t *p_block = 0;
1597
1598     if( !p_pic ) return NULL;
1599
1600     /* Check for errors from codec */
1601     if(p_sys->b_error)
1602     {
1603         msg_Dbg(p_dec, "error during encoding");
1604         return NULL;
1605     }
1606
1607     /* Send the input buffer to the component */
1608     OMX_FIFO_GET(&p_sys->in.fifo, p_header);
1609     if(p_header)
1610     {
1611         /* In direct mode we pass the input pointer as is.
1612          * Otherwise we memcopy the data */
1613         if(p_sys->in.b_direct)
1614         {
1615             p_header->pOutputPortPrivate = p_header->pBuffer;
1616             p_header->pBuffer = p_pic->p[0].p_pixels;
1617         }
1618         else
1619         {
1620             CopyVlcPicture(p_dec, p_header, p_pic);
1621         }
1622
1623         p_header->nFilledLen = p_sys->in.i_frame_size;
1624         p_header->nOffset = 0;
1625         p_header->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
1626         p_header->nTimeStamp = ToOmxTicks(p_pic->date);
1627 #ifdef OMXIL_EXTRA_DEBUG
1628         msg_Dbg( p_dec, "EmptyThisBuffer %p, %p, %i", p_header, p_header->pBuffer,
1629                  (int)p_header->nFilledLen );
1630 #endif
1631         OMX_EmptyThisBuffer(p_sys->omx_handle, p_header);
1632         p_sys->in.b_flushed = false;
1633     }
1634
1635     /* Handle the PortSettingsChanged events */
1636     for(i = 0; i < p_sys->ports; i++)
1637     {
1638         OmxPort *p_port = &p_sys->p_ports[i];
1639         if(!p_port->b_reconfigure) continue;
1640         p_port->b_reconfigure = 0;
1641         omx_error = PortReconfigure(p_dec, p_port);
1642     }
1643
1644     /* Wait for the decoded frame */
1645     while(!p_block)
1646     {
1647         OMX_FIFO_GET(&p_sys->out.fifo, p_header);
1648
1649         if(p_header->nFilledLen)
1650         {
1651             if(p_header->nFlags & OMX_BUFFERFLAG_CODECCONFIG)
1652             {
1653                 /* TODO: need to store codec config */
1654                 msg_Dbg(p_dec, "received codec config %i", (int)p_header->nFilledLen);
1655             }
1656
1657             p_block = p_header->pAppPrivate;
1658             if(!p_block)
1659             {
1660                 /* We're not in direct rendering mode.
1661                  * Get a new block and copy the content */
1662                 p_block = block_Alloc( p_header->nFilledLen );
1663                 memcpy(p_block->p_buffer, p_header->pBuffer, p_header->nFilledLen );
1664             }
1665
1666             p_block->i_buffer = p_header->nFilledLen;
1667             p_block->i_pts = p_block->i_dts = FromOmxTicks(p_header->nTimeStamp);
1668             p_header->nFilledLen = 0;
1669             p_header->pAppPrivate = 0;
1670         }
1671
1672 #ifdef OMXIL_EXTRA_DEBUG
1673         msg_Dbg( p_dec, "FillThisBuffer %p, %p", p_header, p_header->pBuffer );
1674 #endif
1675         OMX_FillThisBuffer(p_sys->omx_handle, p_header);
1676     }
1677
1678     msg_Dbg(p_dec, "done");
1679     return p_block;
1680 }
1681
1682 /*****************************************************************************
1683  * CloseGeneric: omxil decoder destruction
1684  *****************************************************************************/
1685 static void CloseGeneric( vlc_object_t *p_this )
1686 {
1687     decoder_t *p_dec = (decoder_t *)p_this;
1688     decoder_sys_t *p_sys = p_dec->p_sys;
1689
1690     if(p_sys->omx_handle) DeinitialiseComponent(p_dec, p_sys->omx_handle);
1691     vlc_mutex_lock( &omx_core_mutex );
1692     omx_refcount--;
1693     if( omx_refcount == 0 )
1694     {
1695         if( p_sys->b_init ) pf_deinit();
1696         dll_close( dll_handle );
1697     }
1698     vlc_mutex_unlock( &omx_core_mutex );
1699
1700     vlc_mutex_destroy (&p_sys->mutex);
1701     vlc_cond_destroy (&p_sys->cond);
1702     vlc_mutex_destroy (&p_sys->in.fifo.lock);
1703     vlc_cond_destroy (&p_sys->in.fifo.wait);
1704     vlc_mutex_destroy (&p_sys->out.fifo.lock);
1705     vlc_cond_destroy (&p_sys->out.fifo.wait);
1706
1707     free( p_sys );
1708 }
1709
1710 /*****************************************************************************
1711  * OmxEventHandler:
1712  *****************************************************************************/
1713 static OMX_ERRORTYPE OmxEventHandler( OMX_HANDLETYPE omx_handle,
1714     OMX_PTR app_data, OMX_EVENTTYPE event, OMX_U32 data_1,
1715     OMX_U32 data_2, OMX_PTR event_data )
1716 {
1717     decoder_t *p_dec = (decoder_t *)app_data;
1718     decoder_sys_t *p_sys = p_dec->p_sys;
1719     unsigned int i;
1720     (void)omx_handle;
1721
1722     switch (event)
1723     {
1724     case OMX_EventCmdComplete:
1725         switch ((OMX_STATETYPE)data_1)
1726         {
1727         case OMX_CommandStateSet:
1728             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %s)", EventToString(event),
1729                      CommandToString(data_1), StateToString(data_2) );
1730             break;
1731
1732         default:
1733             msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u)", EventToString(event),
1734                      CommandToString(data_1), (unsigned int)data_2 );
1735             break;
1736         }
1737         break;
1738
1739     case OMX_EventError:
1740         msg_Dbg( p_dec, "OmxEventHandler (%s, %s, %u, %s)", EventToString(event),
1741                  ErrorToString((OMX_ERRORTYPE)data_1), (unsigned int)data_2,
1742                  (const char *)event_data);
1743         //p_sys->b_error = true;
1744         break;
1745
1746     case OMX_EventPortSettingsChanged:
1747         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1748                  (unsigned int)data_1, (unsigned int)data_2 );
1749         if( data_2 == 0 || data_2 == OMX_IndexParamPortDefinition )
1750         {
1751             OMX_BUFFERHEADERTYPE *sentinel;
1752             for(i = 0; i < p_sys->ports; i++)
1753                 if(p_sys->p_ports[i].definition.eDir == OMX_DirOutput)
1754                     p_sys->p_ports[i].b_reconfigure = true;
1755             sentinel = calloc(1, sizeof(*sentinel));
1756             if (sentinel) {
1757                 sentinel->nFlags = SENTINEL_FLAG;
1758                 OMX_FIFO_PUT(&p_sys->in.fifo, sentinel);
1759             }
1760         }
1761         else if( data_2 == OMX_IndexConfigCommonOutputCrop )
1762         {
1763             for(i = 0; i < p_sys->ports; i++)
1764                 if(p_sys->p_ports[i].definition.nPortIndex == data_1)
1765                     p_sys->p_ports[i].b_update_def = true;
1766         }
1767         else
1768         {
1769             msg_Dbg( p_dec, "Unhandled setting change %x", (unsigned int)data_2 );
1770         }
1771         break;
1772
1773     default:
1774         msg_Dbg( p_dec, "OmxEventHandler (%s, %u, %u)", EventToString(event),
1775                  (unsigned int)data_1, (unsigned int)data_2 );
1776         break;
1777     }
1778
1779     PostOmxEvent(p_dec, event, data_1, data_2, event_data);
1780     return OMX_ErrorNone;
1781 }
1782
1783 static OMX_ERRORTYPE OmxEmptyBufferDone( OMX_HANDLETYPE omx_handle,
1784     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1785 {
1786     decoder_t *p_dec = (decoder_t *)app_data;
1787     decoder_sys_t *p_sys = p_dec->p_sys;
1788     (void)omx_handle;
1789
1790 #ifdef OMXIL_EXTRA_DEBUG
1791     msg_Dbg( p_dec, "OmxEmptyBufferDone %p, %p", omx_header, omx_header->pBuffer );
1792 #endif
1793
1794     if(omx_header->pAppPrivate || omx_header->pOutputPortPrivate)
1795     {
1796         block_t *p_block = (block_t *)omx_header->pAppPrivate;
1797         omx_header->pBuffer = omx_header->pOutputPortPrivate;
1798         if(p_block) block_Release(p_block);
1799         omx_header->pAppPrivate = 0;
1800     }
1801     OMX_FIFO_PUT(&p_sys->in.fifo, omx_header);
1802
1803     return OMX_ErrorNone;
1804 }
1805
1806 static OMX_ERRORTYPE OmxFillBufferDone( OMX_HANDLETYPE omx_handle,
1807     OMX_PTR app_data, OMX_BUFFERHEADERTYPE *omx_header )
1808 {
1809     decoder_t *p_dec = (decoder_t *)app_data;
1810     decoder_sys_t *p_sys = p_dec->p_sys;
1811     (void)omx_handle;
1812
1813 #ifdef OMXIL_EXTRA_DEBUG
1814     msg_Dbg( p_dec, "OmxFillBufferDone %p, %p, %i", omx_header, omx_header->pBuffer,
1815              (int)omx_header->nFilledLen );
1816 #endif
1817
1818     if(omx_header->pInputPortPrivate)
1819     {
1820         omx_header->pBuffer = omx_header->pInputPortPrivate;
1821     }
1822     OMX_FIFO_PUT(&p_sys->out.fifo, omx_header);
1823
1824     return OMX_ErrorNone;
1825 }