video_fileparse_adap.c

最新MTK手机软件源码

/*****************************************************************************
*  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).
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *    video_fileparse_adap.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines the adaption layer of video driver for file parser api
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#ifdef MP4_CODEC
#include "drv_comm.h"
#include "med_status.h"
#include "visual_comm.h"
#include "fsal.h"
#include "mp4_parser.h"
#include "l1audio.h"
#include "lcd_if.h"
#include "rtc_sw.h"
#include "video_file_creator.h"
#include "bmd.h"
#include "video_enc_glb.h"
#include "video_dec_glb.h"
#include "video_glb.h"


static MEDIA_STATUS_CODE video_file_read_bitstream_data(kal_uint32 current_pos, kal_uint32 current_size,
                                                        kal_uint32 current_buffer_addr);

/* Read bitstream from file system to buffer
 * @param  current_pos is start position in the file
 * @param  current_size is total bytes that should be read
  * @param  current_buffer_addr is the buffer start address
 * @return Media status, which is based MEDIA_STATUS_CODE structure.
 */
static MEDIA_STATUS_CODE video_file_read_bitstream_data(kal_uint32 current_pos, kal_uint32 current_size,
                                                        kal_uint32 current_buffer_addr)
{
    if (current_size > 512)
    {
        g_video_dec_status.FSAL_STATUS = FSAL_Direct_Seek(g_video_dec_info_ptr->pstFSAL, current_pos);

        if (g_video_dec_status.FSAL_STATUS != FSAL_OK)
        {
            VIDEO_ASSERT(0);

            g_video_dec_status.FSAL_ERROR_FILE = g_video_dec_info_ptr->pstFSAL;
            return FSAL_ERROR;
        }

        g_video_dec_status.FSAL_STATUS = FSAL_Direct_Read(g_video_dec_info_ptr->pstFSAL,
                                                          (kal_uint8 *)current_buffer_addr,
                                                          current_size);
        if (g_video_dec_status.FSAL_STATUS != FSAL_OK)
        {
            VIDEO_ASSERT(0);

            g_video_dec_status.FSAL_ERROR_FILE = g_video_dec_info_ptr->pstFSAL;
            return FSAL_ERROR;
        }
    }
    else
    {
        g_video_dec_status.FSAL_STATUS = FSAL_Seek(g_video_dec_info_ptr->pstFSAL, current_pos);

        if (g_video_dec_status.FSAL_STATUS != FSAL_OK)
        {
            VIDEO_ASSERT(0);

            g_video_dec_status.FSAL_ERROR_FILE = g_video_dec_info_ptr->pstFSAL;
            return FSAL_ERROR;
        }

        g_video_dec_status.FSAL_STATUS = FSAL_Read(g_video_dec_info_ptr->pstFSAL, (kal_uint8 *)current_buffer_addr,
                                                   current_size);
        if (g_video_dec_status.FSAL_STATUS != FSAL_OK)
        {
            VIDEO_ASSERT(0);

            g_video_dec_status.FSAL_ERROR_FILE = g_video_dec_info_ptr->pstFSAL;
            return FSAL_ERROR;
        }
    }

    return MEDIA_STATUS_OK;
}


/* Get sample data from media file to video buffer. It will try to get as mamy data as possible
 *  If not continous, it will try to merge them
 * @param  VIDEO_DEC_FILE_READ_STRUCT structure.
 * @return Media status, which is based MEDIA_STATUS_CODE structure.
 */
MEDIA_STATUS_CODE video_file_get_sample_data(VIDEO_DEC_FILE_READ_STRUCT *p_file_info)
{
    kal_uint32 current_pos = 0;
    kal_uint32 current_size = 0;
    kal_uint32 current_buffer_addr = 0;
    kal_uint32 sum = 0;
    kal_uint32 index;
    kal_uint32 result_frame_no;
    kal_uint32 result_frame_no_check;
    kal_uint32 start_read_no;
    MEDIA_STATUS_CODE result;

    p_file_info->result_frame_no = 0;
    p_file_info->result_size = 0;
    result_frame_no =  p_file_info->total_frame_no;
    start_read_no = 0;
    	
    /* get sample size */
    for (index = 0; index < result_frame_no; index++)
    {
        g_video_dec_status.PARSE_STATUS = MP4_GetSampleSize(g_video_dec_info_ptr->pMp4Parser,
                                                            (p_file_info->start_frame_no + index),
                                                            &p_file_info->p_frame_length[index],
                                                            MP4_TRACK_VIDEO);
        if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)
        {
            VIDEO_ASSERT(0);

            result_frame_no = index;
            g_video_dec_info_ptr->stop_frame_no = p_file_info->start_frame_no + result_frame_no;
            break;
        }
    }

    /* get sample offset */
    result_frame_no_check = result_frame_no;
    g_video_dec_status.PARSE_STATUS =
        MP4_GetSampleOffset_Array(g_video_dec_info_ptr->pMp4Parser,
                                  p_file_info->start_frame_no,
                                  p_file_info->temp_file_offset,
                                  &result_frame_no,
                                  MP4_TRACK_VIDEO);

    if (g_video_dec_status.PARSE_STATUS != MP4_PARSER_OK)
    {
        if((result_frame_no_check==result_frame_no) && (result_frame_no_check!=0))
        {
            /* since it is error, result frame no must be different from original */