modules/codec/omxil/omxil.h

   1 /*****************************************************************************
   2  * omxil.h: helper functions
   3  *****************************************************************************
   4  * Copyright (C) 2010 VLC authors and VideoLAN
   5  *
   6  * Authors: Gildas Bazin <gbazin@videolan.org>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU Lesser General Public License as published by
  10  * the Free Software Foundation; either version 2.1 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #ifdef RPI_OMX
  24 #define OMX_SKIP64BIT
  25 #endif
  26
  27 /*****************************************************************************
  28  * Includes
  29  *****************************************************************************/
  30 #include "OMX_Core.h"
  31 #include "OMX_Index.h"
  32 #include "OMX_Component.h"
  33 #include "OMX_Video.h"
  34
  35 #include "omxil_utils.h"
  36 #include "omxil_core.h"
  37
  38 enum
  39 {
  40     BUF_STATE_NOT_OWNED = 0,
  41     BUF_STATE_OWNED,
  42 };
  43
  44 /*****************************************************************************
  45  * decoder_sys_t : omxil decoder descriptor
  46  *****************************************************************************/
  47 typedef struct OmxFifo
  48 {
  49     vlc_mutex_t lock;
  50     vlc_cond_t  wait;
  51
  52     OMX_BUFFERHEADERTYPE *p_first;
  53     OMX_BUFFERHEADERTYPE **pp_last;
  54
  55     int offset;
  56
  57 } OmxFifo;
  58
  59 typedef struct OmxPort
  60 {
  61     bool b_valid;
  62     OMX_U32 i_port_index;
  63     OMX_HANDLETYPE omx_handle;
  64     OMX_PARAM_PORTDEFINITIONTYPE definition;
  65     es_format_t *p_fmt;
  66
  67     unsigned int i_frame_size;
  68     unsigned int i_frame_stride;
  69     unsigned int i_frame_stride_chroma_div;
  70
  71     unsigned int i_buffers;
  72     OMX_BUFFERHEADERTYPE **pp_buffers;
  73
  74     OmxFifo fifo;
  75
  76     OmxFormatParam format_param;
  77
  78     OMX_BOOL b_reconfigure;
  79     OMX_BOOL b_update_def;
  80     OMX_BOOL b_direct;
  81     OMX_BOOL b_flushed;
  82 } OmxPort;
  83
  84 typedef struct
  85 {
  86     OMX_HANDLETYPE omx_handle;
  87
  88     bool b_enc;
  89
  90     char psz_component[OMX_MAX_STRINGNAME_SIZE];
  91     char ppsz_components[MAX_COMPONENTS_LIST_SIZE][OMX_MAX_STRINGNAME_SIZE];
  92     unsigned int components;
  93     int i_quirks;
  94
  95     OmxEventQueue event_queue;
  96
  97     OmxPort *p_ports;
  98     unsigned int ports;
  99     OmxPort in;
 100     OmxPort out;
 101
 102     bool b_error;
 103
 104     bool b_aspect_ratio_handled;
 105
 106     date_t end_date;
 107
 108     uint8_t i_nal_size_length; /* Length of the NAL size field for H264 */
 109     int b_use_pts;
 110
 111 } decoder_sys_t;