shenmc
/
bitstream
1
0
Fork 0
Code Issues 0 Pull Requests 0 Projects 0 Releases 0 Wiki Activity
Browse Source

ISO 13818-2 (MPEG-2 video) structures

master
Christophe Massiot 12 years ago
parent
c631a678e4
commit
45ea49484f
1 changed files with 778 additions and 0 deletions
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. +778
    -0
      mpeg/mp2v.h

+ 778
- 0
mpeg/mp2v.h View File

@ -0,0 +1,778 @@
/*****************************************************************************
* mp2v.h: ISO/IEC 13818-2 (video)
*****************************************************************************
* Copyright (C) 2013 VideoLAN
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject
* to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************/
/*
* Normative references:
* - ISO/IEC 13818-2 (MPEG-2 video)
*/
#ifndef __BITSTREAM_MPEG_MP2V_H__
#define __BITSTREAM_MPEG_MP2V_H__
#include <stdint.h> /* uint8_t, uint16_t, etc... */
#include <stdbool.h> /* bool */
#include <string.h> /* memset */
#ifdef __cplusplus
extern "C"
{
#endif
/*****************************************************************************
* MP2V start code
*****************************************************************************/
static inline void mp2vstart_init(uint8_t *p_mp2vstart, uint8_t startcode)
{
p_mp2vstart[0] = 0x0;
p_mp2vstart[1] = 0x0;
p_mp2vstart[2] = 0x1;
p_mp2vstart[3] = startcode;
}
/*****************************************************************************
* MP2V extension
*****************************************************************************/
#define MP2VX_HEADER_SIZE 4
#define MP2VX_START_CODE 0xb5
#define MP2VX_ID_SEQX 1
#define MP2VX_ID_SEQDX 2
#define MP2VX_ID_QUANTX 3
#define MP2VX_ID_SEQSCALX 5
#define MP2VX_ID_PICDX 7
#define MP2VX_ID_PICX 8
#define MP2VX_ID_PICSSCALX 9
#define MP2VX_ID_PICTSCALX 10
/*****************************************************************************
* MP2V sequence header
*****************************************************************************/
#define MP2VSEQ_HEADER_SIZE 12
#define MP2VSEQ_START_CODE 0xb3
#define MP2VSEQ_ASPECT_SQUARE 1
#define MP2VSEQ_ASPECT_4_3 2
#define MP2VSEQ_ASPECT_16_9 3
#define MP2VSEQ_ASPECT_2_21 4
#define MP2VSEQ_FRAMERATE_23_976 1
#define MP2VSEQ_FRAMERATE_24 2
#define MP2VSEQ_FRAMERATE_25 3
#define MP2VSEQ_FRAMERATE_29_97 4
#define MP2VSEQ_FRAMERATE_30 5
#define MP2VSEQ_FRAMERATE_50 6
#define MP2VSEQ_FRAMERATE_59_94 7
#define MP2VSEQ_FRAMERATE_60 8
/* unofficial Xing */
#define MP2VSEQ_FRAMERATE_14_99 9
/* unofficial libmpeg3 */
#define MP2VSEQ_FRAMERATE_4_99 10
#define MP2VSEQ_FRAMERATE_9_99 11
#define MP2VSEQ_FRAMERATE_12_99 12
#define MP2VSEQ_VBVBUFFER_VBR 0xffff
static inline void mp2vseq_init(uint8_t *p_mp2vseq)
{
mp2vstart_init(p_mp2vseq, MP2VSEQ_START_CODE);
p_mp2vseq[10] = 0x20;
p_mp2vseq[11] = 0x0;
}
static inline void mp2vseq_set_horizontal(uint8_t *p_mp2vseq,
uint16_t i_horizontal)
{
p_mp2vseq[4] = i_horizontal >> 4;
p_mp2vseq[5] &= 0xf;
p_mp2vseq[5] |= (i_horizontal << 4) & 0xff;
}
static inline uint16_t mp2vseq_get_horizontal(const uint8_t *p_mp2vseq)
{
return (p_mp2vseq[4] << 4) | (p_mp2vseq[5] >> 4);
}
static inline void mp2vseq_set_vertical(uint8_t *p_mp2vseq, uint16_t i_vertical)
{
p_mp2vseq[5] &= 0xf0;
p_mp2vseq[5] |= (i_vertical >> 8) & 0xf;
p_mp2vseq[6] = i_vertical & 0xff;
}
static inline uint16_t mp2vseq_get_vertical(const uint8_t *p_mp2vseq)
{
return ((p_mp2vseq[5] & 0xf) << 8) | p_mp2vseq[6] >> 4;
}
static inline void mp2vseq_set_aspect(uint8_t *p_mp2vseq, uint8_t i_aspect)
{
p_mp2vseq[7] &= 0xf;
p_mp2vseq[7] |= (i_aspect << 4) & 0xf0;
}
static inline uint8_t mp2vseq_get_aspect(const uint8_t *p_mp2vseq)
{
return (p_mp2vseq[7] >> 4);
}
static inline void mp2vseq_set_framerate(uint8_t *p_mp2vseq,
uint8_t i_framerate)
{
p_mp2vseq[7] &= 0xf0;
p_mp2vseq[7] |= i_framerate & 0xf;
}
static inline uint8_t mp2vseq_get_framerate(const uint8_t *p_mp2vseq)
{
return (p_mp2vseq[7] & 0xf);
}
static inline void mp2vseq_set_bitrate(uint8_t *p_mp2vseq, uint32_t i_bitrate)
{
p_mp2vseq[8] = i_bitrate >> 10;
p_mp2vseq[9] = (i_bitrate >> 2) & 0xff;
p_mp2vseq[10] &= 0x3f;
p_mp2vseq[10] |= (i_bitrate << 6) & 0xff;
}
static inline uint32_t mp2vseq_get_bitrate(const uint8_t *p_mp2vseq)
{
return (p_mp2vseq[8] << 10) | (p_mp2vseq[9] << 2) | (p_mp2vseq[10] >> 6);
}
static inline void mp2vseq_set_vbvbuffer(uint8_t *p_mp2vseq,
uint16_t i_vbvbuffer)
{
p_mp2vseq[10] &= 0xe0;
p_mp2vseq[10] |= (i_vbvbuffer >> 5) & 0x1f;
p_mp2vseq[11] &= 0x7;
p_mp2vseq[11] |= (i_vbvbuffer << 3) & 0xf8;
}
static inline uint16_t mp2vseq_get_vbvbuffer(const uint8_t *p_mp2vseq)
{
return ((p_mp2vseq[10] & 0x1f) << 5) | (p_mp2vseq[11] >> 3);
}
static inline void mp2vseq_set_constrained(uint8_t *p_mp2vseq)
{
p_mp2vseq[11] |= 0x4;
}
static inline bool mp2vseq_get_constrained(const uint8_t *p_mp2vseq)
{
return !!(p_mp2vseq[11] & 0x4);
}
static inline void mp2vseq_set_intramatrix(uint8_t *p_mp2vseq,
const uint8_t p_matrix[64])
{
p_mp2vseq[11] |= 0x2;
if (p_matrix != NULL) {
int i;
for (i = 0; i < 64; i++) {
p_mp2vseq[11 + i] |= p_matrix[i] >> 7;
p_mp2vseq[12 + i] = (p_matrix[i] << 1) & 0xfe;
}
} else
memset(p_mp2vseq + 12, 0, 64);
}
static inline bool mp2vseq_get_intramatrix(const uint8_t *p_mp2vseq,
uint64_t p_matrix[64])
{
if (!(p_mp2vseq[11] & 0x2))
return false;
if (p_matrix != NULL) {
int i;
for (i = 0; i < 64; i++)
p_matrix[i] = ((p_mp2vseq[11 + i] << 7) & 0x80) |
(p_mp2vseq[12 + i] >> 1);
}
return true;
}
static inline void mp2vseq_set_nonintramatrix(uint8_t *p_mp2vseq,
const uint8_t p_matrix[64])
{
unsigned int offset = 11;
if (p_mp2vseq[11] & 0x2)
offset += 64;
p_mp2vseq[offset] |= 0x1;
if (p_matrix != NULL) {
int i;
for (i = 0; i < 64; i++) {
p_mp2vseq[offset + i] |= p_matrix[i] >> 7;
p_mp2vseq[offset + 1 + i] = (p_matrix[i] << 1) & 0xfe;
}
} else
memset(p_mp2vseq + offset + 1, 0, 64);
}
static inline bool mp2vseq_get_nonintramatrix(const uint8_t *p_mp2vseq,
uint64_t p_matrix[64])
{
unsigned int offset = 11;
if (p_mp2vseq[11] & 0x2)
offset += 64;
if (!(p_mp2vseq[offset] & 0x1))
return false;
if (p_matrix != NULL) {
int i;
for (i = 0; i < 64; i++)
p_matrix[i] = ((p_mp2vseq[offset + i] << 7) & 0x80) |
(p_mp2vseq[offset + 1 + i] >> 1);
}
return true;
}
/*****************************************************************************
* MP2V sequence extension
*****************************************************************************/
#define MP2VSEQX_HEADER_SIZE 10
#define MP2VSEQX_PROFILE_MASK 0x70
#define MP2VSEQX_PROFILE_SIMPLE (5 << 4)
#define MP2VSEQX_PROFILE_MAIN (4 << 4)
#define MP2VSEQX_PROFILE_SNR_SCAL (3 << 4)
#define MP2VSEQX_PROFILE_SPAT_SCAL (2 << 4)
#define MP2VSEQX_PROFILE_HIGH (1 << 4)
#define MP2VSEQX_LEVEL_MASK 0xf
#define MP2VSEQX_LEVEL_LOW 10
#define MP2VSEQX_LEVEL_MAIN 8
#define MP2VSEQX_LEVEL_HIGH1440 6
#define MP2VSEQX_LEVEL_HIGH 4
#define MP2VSEQX_CHROMA_420 1
#define MP2VSEQX_CHROMA_422 2
#define MP2VSEQX_CHROMA_444 3
static inline void mp2vseqx_init(uint8_t *p_mp2vseq)
{
mp2vstart_init(p_mp2vseq, MP2VX_START_CODE);
p_mp2vseq[4] = (MP2VX_ID_SEQX << 4) & 0xf0;
p_mp2vseq[5] = 0;
p_mp2vseq[7] = 0x1;
p_mp2vseq[9] = 0;
}
static inline void mp2vseqx_set_profilelevel(uint8_t *p_mp2vseqx,
uint8_t i_profilelevel)
{
p_mp2vseqx[4] &= 0xf0;
p_mp2vseqx[4] |= i_profilelevel >> 4;
p_mp2vseqx[5] &= 0x0f;
p_mp2vseqx[5] |= (i_profilelevel << 4) & 0xf0;
}
static inline uint8_t mp2vseqx_get_profilelevel(const uint8_t *p_mp2vseqx)
{
return ((p_mp2vseqx[4] & 0x0f) << 4) | (p_mp2vseqx[5] >> 4);
}
static inline void mp2vseqx_set_progressive(uint8_t *p_mp2vseqx)
{
p_mp2vseqx[5] |= 0x8;
}
static inline bool mp2vseqx_get_progressive(const uint8_t *p_mp2vseqx)
{
return !!(p_mp2vseqx[5] & 0x8);
}
static inline void mp2vseqx_set_chroma(uint8_t *p_mp2vseqx, uint8_t i_chroma)
{
p_mp2vseqx[5] &= 0xf9;
p_mp2vseqx[5] |= (i_chroma & 0x3) << 1;
}
static inline uint8_t mp2vseqx_get_chroma(const uint8_t *p_mp2vseqx)
{
return ((p_mp2vseqx[5] & 0x06) >> 1);
}
static inline void mp2vseqx_set_horizontal(uint8_t *p_mp2vseqx,
uint8_t i_horizontal)
{
p_mp2vseqx[5] &= 0xfe;
p_mp2vseqx[5] |= (i_horizontal >> 1) & 0x1;
p_mp2vseqx[6] &= 0x7f;
p_mp2vseqx[6] |= (i_horizontal << 7) & 0x80;
}
static inline uint8_t mp2vseqx_get_horizontal(const uint8_t *p_mp2vseqx)
{
return ((p_mp2vseqx[5] & 0x1) << 1) | (p_mp2vseqx[6] >> 7);
}
static inline void mp2vseqx_set_vertical(uint8_t *p_mp2vseqx,
uint8_t i_vertical)
{
p_mp2vseqx[6] &= 0x9f;
p_mp2vseqx[6] |= (i_vertical << 5) & 0x60;
}
static inline uint8_t mp2vseqx_get_vertical(const uint8_t *p_mp2vseqx)
{
return (p_mp2vseqx[6] & 0x60) >> 5;
}
static inline void mp2vseqx_set_bitrate(uint8_t *p_mp2vseqx, uint16_t i_bitrate)
{
p_mp2vseqx[6] &= 0xe0;
p_mp2vseqx[6] |= (i_bitrate >> 7) & 0x1f;
p_mp2vseqx[7] = ((i_bitrate << 1) & 0xfe) | 0x1;
}
static inline uint16_t mp2vseqx_get_bitrate(const uint8_t *p_mp2vseqx)
{
return ((p_mp2vseqx[6] & 0x1f) << 7) | (p_mp2vseqx[7] >> 1);
}
static inline void mp2vseqx_set_vbvbuffer(uint8_t *p_mp2vseqx,
uint8_t i_vbvbuffer)
{
p_mp2vseqx[8] = i_vbvbuffer;
}
static inline uint8_t mp2vseqx_get_vbvbuffer(const uint8_t *p_mp2vseqx)
{
return p_mp2vseqx[8];
}
static inline void mp2vseqx_set_lowdelay(uint8_t *p_mp2vseqx)
{
p_mp2vseqx[9] |= 0x8;
}
static inline bool mp2vseqx_get_lowdelay(const uint8_t *p_mp2vseqx)
{
return !!(p_mp2vseqx[9] & 0x8);
}
static inline void mp2vseqx_set_frameraten(uint8_t *p_mp2vseqx,
uint8_t i_frameraten)
{
p_mp2vseqx[9] &= 0x9f;
p_mp2vseqx[9] |= (i_frameraten << 5) & 0x60;
}
static inline uint8_t mp2vseqx_get_frameraten(const uint8_t *p_mp2vseqx)
{
return (p_mp2vseqx[9] & 0x60) >> 5;
}
static inline void mp2vseqx_set_framerated(uint8_t *p_mp2vseqx,
uint8_t i_framerated)
{
p_mp2vseqx[9] &= 0xe0;
p_mp2vseqx[9] |= i_framerated & 0x1f;
}
static inline uint8_t mp2vseqx_get_framerated(const uint8_t *p_mp2vseqx)
{
return (p_mp2vseqx[9] & 0x1f);
}
/*****************************************************************************
* MP2V sequence display extension
*****************************************************************************/
#define MP2VSEQDX_HEADER_SIZE 9
#define MP2VSEQDX_COLOR_SIZE 3
static inline void mp2vseqdx_init(uint8_t *p_mp2vseq)
{
mp2vstart_init(p_mp2vseq, MP2VX_START_CODE);
p_mp2vseq[4] = (MP2VX_ID_SEQDX << 4) & 0xf0;
}
static inline void mp2vseqdx_set_format(uint8_t *p_mp2vseqdx,
uint8_t i_format)
{
p_mp2vseqdx[4] &= 0xf1;
p_mp2vseqdx[4] |= (i_format << 1) & 0xe;
}
static inline uint8_t mp2vseqdx_get_format(const uint8_t *p_mp2vseqdx)
{
return ((p_mp2vseqdx[4] & 0x0e) >> 1);
}
static inline void mp2vseqdx_set_color(uint8_t *p_mp2vseqdx)
{
p_mp2vseqdx[4] |= 0x1;
}
static inline bool mp2vseqdx_get_color(const uint8_t *p_mp2vseqdx)
{
return !!(p_mp2vseqdx[4] & 0x1);
}
static inline void mp2vseqdx_set_horizontal(uint8_t *p_mp2vseqdx,
uint16_t i_horizontal)
{
unsigned int base = mp2vseqdx_get_color(p_mp2vseqdx) ? 8 : 5;
p_mp2vseqdx[base] &= 0xfe;
p_mp2vseqdx[base] = (i_horizontal >> 6) & 0xff;
p_mp2vseqdx[base + 1] &= 0x1;
p_mp2vseqdx[base + 1] |= ((i_horizontal << 2) & 0xfc) | 0x2;
}
static inline uint16_t mp2vseqdx_get_horizontal(const uint8_t *p_mp2vseqdx)
{
unsigned int base = mp2vseqdx_get_color(p_mp2vseqdx) ? 8 : 5;
return (p_mp2vseqdx[base] << 6) | (p_mp2vseqdx[base + 1] >> 2);
}
static inline void mp2vseqdx_set_vertical(uint8_t *p_mp2vseqdx,
uint16_t i_vertical)
{
unsigned int base = mp2vseqdx_get_color(p_mp2vseqdx) ? 8 : 5;
p_mp2vseqdx[base + 1] &= 0xfe;
p_mp2vseqdx[base + 1] |= (i_vertical >> 13) & 0x1;
p_mp2vseqdx[base + 2] = (i_vertical >> 5) & 0xff;
p_mp2vseqdx[base + 3] = i_vertical << 3;
}
static inline uint8_t mp2vseqdx_get_vertical(const uint8_t *p_mp2vseqdx)
{
unsigned int base = mp2vseqdx_get_color(p_mp2vseqdx) ? 8 : 5;
return ((p_mp2vseqdx[base + 1] & 0x1) << 13) |
(p_mp2vseqdx[base + 2] << 5) | (p_mp2vseqdx[base + 3] >> 3);
}
/*****************************************************************************
* MP2V GOP header
*****************************************************************************/
#define MP2VGOP_HEADER_SIZE 8
#define MP2VGOP_START_CODE 0xb8
static inline void mp2vgop_init(uint8_t *p_mp2vgop)
{
mp2vstart_init(p_mp2vgop, MP2VGOP_START_CODE);
p_mp2vgop[7] = 0x0;
}
static inline void mp2vgop_set_timecode(uint8_t *p_mp2vgop, uint32_t i_timecode)
{
p_mp2vgop[4] = i_timecode >> 17;
p_mp2vgop[5] = (i_timecode >> 9) & 0xff;
p_mp2vgop[6] = (i_timecode >> 1) & 0xff;
p_mp2vgop[7] &= 0x7f;
p_mp2vgop[7] |= (i_timecode << 7) & 0x80;
}
static inline uint16_t mp2vgop_get_timecode(const uint8_t *p_mp2vgop)
{
return (p_mp2vgop[4] << 17) | (p_mp2vgop[5] << 9) | (p_mp2vgop[6] << 1) |
(p_mp2vgop[7] >> 7);
}
static inline void mp2vgop_set_closedgop(uint8_t *p_mp2vgop)
{
p_mp2vgop[7] |= 0x40;
}
static inline bool mp2vgop_get_closedgop(const uint8_t *p_mp2vgop)
{
return !!(p_mp2vgop[7] & 0x40);
}
static inline void mp2vgop_set_brokenlink(uint8_t *p_mp2vgop)
{
p_mp2vgop[7] |= 0x20;
}
static inline bool mp2vgop_get_brokenlink(const uint8_t *p_mp2vgop)
{
return !!(p_mp2vgop[7] & 0x20);
}
/*****************************************************************************
* MP2V picture header
*****************************************************************************/
#define MP2VPIC_HEADER_SIZE 8
#define MP2VPIC_START_CODE 0x0
/* last slice header */
#define MP2VPIC_LAST_CODE 0xaf
#define MP2VPIC_TYPE_I 1
#define MP2VPIC_TYPE_P 2
#define MP2VPIC_TYPE_B 3
#define MP2VPIC_TYPE_D 4
static inline void mp2vpic_init(uint8_t *p_mp2vpic)
{
mp2vstart_init(p_mp2vpic, MP2VPIC_START_CODE);
p_mp2vpic[7] = 0x0;
}
static inline void mp2vpic_set_temporalreference(uint8_t *p_mp2vpic,
uint16_t i_temporalreference)
{
p_mp2vpic[4] = i_temporalreference >> 2;
p_mp2vpic[5] &= 0x3f;
p_mp2vpic[5] |= (i_temporalreference << 6) & 0xff;
}
static inline uint16_t mp2vpic_get_temporalreference(const uint8_t *p_mp2vpic)
{
return (p_mp2vpic[4] << 2) | (p_mp2vpic[5] >> 6);
}
static inline void mp2vpic_set_codingtype(uint8_t *p_mp2vpic,
uint8_t i_codingtype)
{
p_mp2vpic[5] &= ~0x38;
p_mp2vpic[5] |= (i_codingtype << 3) & 0x38;
}
static inline uint16_t mp2vpic_get_codingtype(const uint8_t *p_mp2vpic)
{
return (p_mp2vpic[5] >> 3) & 0x7;
}
static inline void mp2vpic_set_vbvdelay(uint8_t *p_mp2vpic, uint16_t i_vbvdelay)
{
p_mp2vpic[5] &= 0xf8;
p_mp2vpic[5] |= i_vbvdelay >> 13;
p_mp2vpic[6] = (i_vbvdelay >> 5) & 0xff;
p_mp2vpic[7] &= 0x7;
p_mp2vpic[7] |= (i_vbvdelay << 3) & 0xf8;
}
static inline uint16_t mp2vpic_get_vbvdelay(const uint8_t *p_mp2vpic)
{
return ((p_mp2vpic[5] & 0x7) << 13) | (p_mp2vpic[6] << 5) |
(p_mp2vpic[7] >>3);
}
/*****************************************************************************
* MP2V picture extension
*****************************************************************************/
#define MP2VPICX_HEADER_SIZE 9
#define MP2VPICX_TOP_FIELD 1
#define MP2VPICX_BOTTOM_FIELD 2
#define MP2VPICX_FRAME_PICTURE 3
static inline void mp2vpicx_init(uint8_t *p_mp2vpic)
{
mp2vstart_init(p_mp2vpic, MP2VX_START_CODE);
p_mp2vpic[4] = (MP2VX_ID_PICX << 4) & 0xf0;
p_mp2vpic[7] = 0;
p_mp2vpic[8] = 0;
}
static inline void mp2vpicx_set_fcode00(uint8_t *p_mp2vpicx,
uint8_t i_fcode00)
{
p_mp2vpicx[4] &= 0xf0;
p_mp2vpicx[4] |= i_fcode00 & 0xf;
}
static inline uint8_t mp2vpicx_get_fcode00(const uint8_t *p_mp2vpicx)
{
return (p_mp2vpicx[4] & 0xf);
}
static inline void mp2vpicx_set_fcode01(uint8_t *p_mp2vpicx,
uint8_t i_fcode01)
{
p_mp2vpicx[5] &= 0x0f;
p_mp2vpicx[5] |= (i_fcode01 << 4) & 0xf0;
}
static inline uint8_t mp2vpicx_get_fcode01(const uint8_t *p_mp2vpicx)
{
return (p_mp2vpicx[5] >> 4);
}
static inline void mp2vpicx_set_fcode10(uint8_t *p_mp2vpicx,
uint8_t i_fcode10)
{
p_mp2vpicx[5] &= 0xf0;
p_mp2vpicx[5] |= i_fcode10 & 0xf;
}
static inline uint8_t mp2vpicx_get_fcode10(const uint8_t *p_mp2vpicx)
{
return (p_mp2vpicx[5] & 0xf);
}
static inline void mp2vpicx_set_fcode11(uint8_t *p_mp2vpicx,
uint8_t i_fcode11)
{
p_mp2vpicx[6] &= 0x0f;
p_mp2vpicx[6] |= (i_fcode11 << 4) & 0xf0;
}
static inline uint8_t mp2vpicx_get_fcode11(const uint8_t *p_mp2vpicx)
{
return (p_mp2vpicx[6] >> 4);
}
static inline void mp2vpicx_set_intradc(uint8_t *p_mp2vpicx,
uint8_t i_intradc)
{
p_mp2vpicx[6] &= 0xf3;
p_mp2vpicx[6] |= (i_intradc << 2) & 0xc;
}
static inline uint8_t mp2vpicx_get_intradc(const uint8_t *p_mp2vpicx)
{
return ((p_mp2vpicx[6] & 0x0c) >> 2);
}
static inline void mp2vpicx_set_structure(uint8_t *p_mp2vpicx,
uint8_t i_structure)
{
p_mp2vpicx[6] &= 0xfc;
p_mp2vpicx[6] |= i_structure & 0x3;
}
static inline uint8_t mp2vpicx_get_structure(const uint8_t *p_mp2vpicx)
{
return (p_mp2vpicx[6] & 0x3);
}
static inline void mp2vpicx_set_tff(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x80;
}
static inline bool mp2vpicx_get_tff(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x80);
}
static inline void mp2vpicx_set_framepreddct(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x40;
}
static inline bool mp2vpicx_get_framepreddct(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x40);
}
static inline void mp2vpicx_set_concealmentmv(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x20;
}
static inline bool mp2vpicx_get_concealmentmv(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x20);
}
static inline void mp2vpicx_set_qscale(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x10;
}
static inline bool mp2vpicx_get_qscale(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x10);
}
static inline void mp2vpicx_set_intravlc(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x8;
}
static inline bool mp2vpicx_get_intravlc(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x8);
}
static inline void mp2vpicx_set_alternatescan(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x4;
}
static inline bool mp2vpicx_get_alternatescan(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x4);
}
static inline void mp2vpicx_set_rff(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x2;
}
static inline bool mp2vpicx_get_rff(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x2);
}
static inline void mp2vpicx_set_chroma420(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[7] |= 0x1;
}
static inline bool mp2vpicx_get_chroma420(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[7] & 0x1);
}
static inline void mp2vpicx_set_progressive(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[8] |= 0x80;
}
static inline bool mp2vpicx_get_progressive(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[8] & 0x80);
}
static inline void mp2vpicx_set_compositedisplay(uint8_t *p_mp2vpicx)
{
p_mp2vpicx[8] |= 0x40;
}
static inline bool mp2vpicx_get_compositedisplay(const uint8_t *p_mp2vpicx)
{
return !!(p_mp2vpicx[8] & 0x40);
}
/*****************************************************************************
* MP2V end sequence
*****************************************************************************/
#define MP2VEND_HEADER_SIZE 4
#define MP2VEND_START_CODE 0xb7
static inline void mp2vend_init(uint8_t *p_mp2vend)
{
mp2vstart_init(p_mp2vend, MP2VEND_START_CODE);
}
#ifdef __cplusplus
}
#endif
#endif

Write Preview
Loading…
Cancel
Save