video_editor_timectrl.c

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/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2001
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *    video_editor_timectrl.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines time control interface of video editor. 
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#if defined(__VIDEO_EDITOR__)
#include    "FSAL.h"
#include    "MP4_Parser.h"
#include    "drv_comm.h"
#include    "visual_comm.h"
#include    "rtc_sw.h"
#include    "lcd_if.h"
#include    "bmd.h"
#include    "video_file_creator.h"
#include    "video_dec_glb.h"
#include    "video_enc_glb.h"
#include    "video_glb.h"
#include    "video_editor.h"

/*Audio adaption layer*/
MEDIA_STATUS_CODE video_editor_per_audio_frame_duration(kal_uint32 *audio_per_frame_duration) /*Unit:comm_time_scale*/
{
   *audio_per_frame_duration = 8000;
   return MEDIA_STATUS_OK;
}

MEDIA_STATUS_CODE video_editor_avsync_video_start_info(kal_uint32 ref_time,   /*Unit: COMM time scale*/
                                                       kal_uint32 *current_video_frame_no)
{
   kal_uint32           video_frame_no;
   kal_uint64           temp_time_video_scale;
   kal_uint32           video_time=0;
   kal_uint32           start_time_video_scale = VIDEO_COMMBASE_TO_ANYBASE(ref_time, VIDEO_EDITOR_DATA.video_time_scale);
   g_video_dec_status.PARSE_STATUS = MP4_GetSampleNumber(VIDEO_EDITOR_DATA.pstVIDParser,
                                             &video_frame_no,
                                             start_time_video_scale,
                                             MP4_TRACK_VIDEO );
   if	(g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)
   {
   	if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_NO_SUCH_SAMPLE)
   	{
   	   VIDEO_ASSERT(0);
   		return MP4_PARSER_ERROR;
   	}
   }
   
   if (g_video_dec_status.PARSE_STATUS == MP4_PARSER_NO_SUCH_SAMPLE)
   {
      ASSERT(0);  //Not support
   }
   else
   {
      if ((video_frame_no+1) < g_video_dec_info_ptr->total_frames_in_file)
      {
         g_video_dec_status.PARSE_STATUS = MP4_GetDecodeTime(VIDEO_EDITOR_DATA.pstVIDParser,
                                                (video_frame_no+1),
                                                &temp_time_video_scale,
                                                MP4_TRACK_VIDEO);
         if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)
         {
            VIDEO_ASSERT(0);
            return MP4_PARSER_ERROR;
         }
         video_time = VIDEO_ANYBASE_TO_COMMBASE(temp_time_video_scale, VIDEO_EDITOR_DATA.video_time_scale);
      }
      else
      {
         ASSERT(0);
      }
   }
   ASSERT(video_time >= ref_time);
   /*AV sync info: start_time*/
   VIDEO_EDITOR_DATA.video_avsync.delta_start_frame_duratoin = (video_time-ref_time);
   if ( VIDEO_EDITOR_DATA.video_avsync.delta_start_frame_duratoin < VIDEO_ANYBASE_TO_COMMBASE(VIDEO_EDITOR_DROP_DURATION, 1000) )
   {
      VIDEO_EDITOR_DATA.video_avsync.start_frame_number = (video_frame_no+1);
      VIDEO_EDITOR_DATA.video_avsync.start_frame_discard = KAL_TRUE;
      *current_video_frame_no = (video_frame_no+2);
   }
   else
   {
      VIDEO_EDITOR_DATA.video_avsync.start_frame_number = video_frame_no;
      VIDEO_EDITOR_DATA.video_avsync.start_frame_discard = KAL_FALSE;
      *current_video_frame_no = (video_frame_no+1);
   }
   return MEDIA_STATUS_OK;
}

MEDIA_STATUS_CODE video_editor_avsync_start_info(kal_uint32 start_time,
                                                 VEDITOR_AVSYNC_AUDIO_STRUCT *audio_avsync, 
                                                 kal_uint32 *current_video_frame_no)
{                                                                        
   /*Only audio_avsync->audio_start_frame, and video AV sync start info*/
   MEDIA_STATUS_CODE    result;
   kal_uint32           audio_frame_no;
   kal_uint64           temp_time_audio_scale;
   kal_uint32           audio_time;
   /*Audio*/                                                             
   g_video_dec_status.PARSE_STATUS =
         MP4_Audio_TimeToSampleNo(VIDEO_EDITOR_DATA.pstAUDParser,
                     start_time,   /*Unit: ms*/
                     &audio_frame_no);
   if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)
   {
      VIDEO_ASSERT(0);
      return MP4_PARSER_ERROR;
   }
   audio_avsync->audio_start_frame = audio_frame_no;
   VIDEO_EDITOR_DATA.audio_avsync.audio_start_frame = audio_avsync->audio_start_frame;
         
   g_video_dec_status.PARSE_STATUS = MP4_GetDecodeTime(VIDEO_EDITOR_DATA.pstAUDParser,
                                                       audio_frame_no,
                                                       &temp_time_audio_scale,
                                                       MP4_TRACK_AUDIO);
   if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)
   {
      if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_NO_SUCH_SAMPLE)
   	{
   	   VIDEO_ASSERT(0);
   		return MP4_PARSER_ERROR;
   	}
   }
   audio_time = VIDEO_ANYBASE_TO_COMMBASE(temp_time_audio_scale, VIDEO_EDITOR_DATA.audio_time_scale);
   
   /*Vidio*/
   result = video_editor_avsync_video_start_info(audio_time, 
                                                 current_video_frame_no);
   if (result != MEDIA_STATUS_OK)
   {
      VIDEO_ASSERT(0);
      return result;
   }

   return MEDIA_STATUS_OK;
}

MEDIA_STATUS_CODE video_editor_avsync_video_end_info(kal_uint32 ref_time,
                                                     kal_uint32 addition_time)/*Unit: COMM time scale*/
{
   kal_uint32           video_frame_no;
   kal_uint64           temp_time_video_scale;
   kal_uint32           video_time;
   kal_uint32           end_time_video_scale = VIDEO_COMMBASE_TO_ANYBASE( ref_time, VIDEO_EDITOR_DATA.video_time_scale );;
   
   g_video_dec_status.PARSE_STATUS = MP4_GetSampleNumber(VIDEO_EDITOR_DATA.pstVIDParser,
                                             &video_frame_no,
                                             end_time_video_scale,
                                             MP4_TRACK_VIDEO );
   if	(g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)