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/*--------------------------------------------------------------------------
Copyright (c) 2010 - 2013, The Linux Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of The Linux Foundation nor
the names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--------------------------------------------------------------------------*/
#ifndef MP4_UTILS_H
#define MP4_UTILS_H
#include "OMX_Core.h"
#include "OMX_QCOMExtns.h"
typedef signed long long int64;
typedef unsigned int uint32; /* Unsigned 32 bit value */
typedef unsigned short uint16; /* Unsigned 16 bit value */
typedef unsigned char uint8; /* Unsigned 8 bit value */
typedef int int32; /* Signed 32 bit value */
typedef signed short int16; /* Signed 16 bit value */
typedef signed char int8; /* Signed 8 bit value */
#define SIMPLE_PROFILE_LEVEL0 0x08
#define SIMPLE_PROFILE_LEVEL1 0x01
#define SIMPLE_PROFILE_LEVEL2 0x02
#define SIMPLE_PROFILE_LEVEL3 0x03
#define SIMPLE_PROFILE_LEVEL4A 0x04
#define SIMPLE_PROFILE_LEVEL5 0x05
#define SIMPLE_PROFILE_LEVEL6 0x06
#define SIMPLE_PROFILE_LEVEL0B 0x09
#define SIMPLE_SCALABLE_PROFILE_LEVEL0 0x10
#define SIMPLE_SCALABLE_PROFILE_LEVEL1 0x11
#define SIMPLE_SCALABLE_PROFILE_LEVEL2 0x12
#define SIMPLE_SCALABLE_PROFILE_LEVEL0 0x10
#define SIMPLE_SCALABLE_PROFILE_LEVEL1 0x11
#define SIMPLE_SCALABLE_PROFILE_LEVEL2 0x12
#define ADVANCED_SIMPLE_PROFILE_LEVEL0 0xF0
#define ADVANCED_SIMPLE_PROFILE_LEVEL1 0xF1
#define ADVANCED_SIMPLE_PROFILE_LEVEL2 0xF2
#define ADVANCED_SIMPLE_PROFILE_LEVEL3 0xF3
#define ADVANCED_SIMPLE_PROFILE_LEVEL4 0xF4
#define ADVANCED_SIMPLE_PROFILE_LEVEL5 0xF5
#define VISUAL_OBJECT_SEQUENCE_START_CODE 0x000001B0
#define MP4ERROR_SUCCESS 0
#define VIDEO_OBJECT_LAYER_START_CODE_MASK 0xFFFFFFF0
#define VIDEO_OBJECT_LAYER_START_CODE 0x00000120
#define VOP_START_CODE_MASK 0xFFFFFFFF
#define VOP_START_CODE 0x000001B6
#define GOV_START_CODE 0x000001B3
#define SHORT_HEADER_MASK 0xFFFFFC00
#define SHORT_HEADER_START_MARKER 0x00008000
#define SHORT_HEADER_START_CODE 0x00008000
#define SPARK1_START_CODE 0x00008400
#define MPEG4_SHAPE_RECTANGULAR 0x00
#define EXTENDED_PAR 0xF
#define SHORT_VIDEO_START_MARKER 0x20
#define MP4_INVALID_VOL_PARAM (0x0001) // unsupported VOL parameter
#define MP4ERROR_UNSUPPORTED_UFEP -1068
#define MP4ERROR_UNSUPPORTED_SOURCE_FORMAT -1069
#define MASK(x) (0xFFFFFFFF >> (32 - (x)))
#define VISUAL_OBJECT_TYPE_VIDEO_ID 0x1
#define VISUAL_OBJECT_START_CODE 0x000001B5
#define VIDEO_OBJECT_START_CODE_MASK 0xFFFFFFE0
#define VIDEO_OBJECT_START_CODE 0x00000100
#define RESERVED_OBJECT_TYPE 0x0
#define SIMPLE_OBJECT_TYPE 0x1
#define SIMPLE_SCALABLE_OBJECT_TYPE 0x2
#define CORE_OBJECT_TYPE 0x3
#define MAIN_OBJECT_TYPE 0x4
#define N_BIT_OBJECT_TYPE 0x5
#define BASIC_ANIMATED_2D_TEXTURE 0x6
#define ANIMATED_2D_MESH 0x7
#define ADVANCED_SIMPLE 0x11
#define SIMPLE_L1_MAX_VBVBUFFERSIZE 10 /* VBV Max Buffer size=10 (p. 498) */
#define SIMPLE_L1_MAX_BITRATE 160 /* is is 64kpbs or 160 400bits/sec units */
#define SIMPLE_L2_MAX_VBVBUFFERSIZE 40 /* VBV Max Buffer size = 40 */
#define SIMPLE_L2_MAX_BITRATE 320 /* 320 400bps units = 128kpbs */
#define SIMPLE_L3_MAX_VBVBUFFERSIZE 40 /* VBV Max Buffer size = 40 */
#define SIMPLE_L3_MAX_BITRATE 960 /* 960 400bps units = 384kpbs */
/* The MP4 decoder currently supports Simple Profile@L3 */
#define MAX_VBVBUFFERSIZE (SIMPLE_L3_MAX_VBVBUFFERSIZE)
#define MAX_BITRATE (SIMPLE_L3_MAX_BITRATE)
#define MAX_QUANTPRECISION 9
#define MIN_QUANTPRECISION 3
#define MP4_VGA_WIDTH 640
#define MP4_VGA_HEIGHT 480
#define MP4_WVGA_WIDTH 800
#define MP4_WVGA_HEIGHT 480
#define MP4_720P_WIDTH 1280
#define MP4_720P_HEIGHT 720
#define MP4_MAX_DECODE_WIDTH MP4_720P_WIDTH
#define MP4_MAX_DECODE_HEIGHT MP4_720P_HEIGHT
typedef struct {
unsigned char *data;
unsigned long int numBytes;
} mp4StreamType;
#define MAX_FRAMES_IN_CHUNK 10
#define VOP_START_CODE 0x000001B6
#define VOL_START_CODE 0x000001B0
typedef enum VOPTYPE {
NO_VOP = -1, // bitstream contains no VOP.
MPEG4_I_VOP = 0, // bitstream contains an MPEG4 I-VOP
MPEG4_P_VOP = 1, // bitstream contains an MPEG4 P-VOP
MPEG4_B_VOP = 2, // bitstream contains an MPEG4 B-VOP
MPEG4_S_VOP = 3, // bitstream contains an MPEG4 S-VOP
} VOP_TYPE;
typedef struct {
uint32 timestamp_increment;
uint32 offset;
uint32 size;
VOP_TYPE vopType;
} mp4_frame_info_type;
class MP4_Utils
{
private:
struct posInfoType {
uint8 *bytePtr;
uint8 bitPos;
};
posInfoType m_posInfo;
uint8 *m_dataBeginPtr;
unsigned int vop_time_resolution;
bool vop_time_found;
uint16 m_SrcWidth, m_SrcHeight; // Dimensions of the source clip
public:
MP4_Utils();
~MP4_Utils();
int16 populateHeightNWidthFromShortHeader(mp4StreamType * psBits);
bool parseHeader(mp4StreamType * psBits);
static uint32 read_bit_field(posInfoType * posPtr, uint32 size);
bool is_notcodec_vop(unsigned char *pbuffer, unsigned int len);
};
#endif
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