#include "libavutil/intmath.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
#include "mpegvideo.h"
#include "mpegvideo_common.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "faandct.h"
#include "xvmc_internal.h"
#include "thread.h"
#include <limits.h>
Go to the source code of this file.
Defines | |
#define | COPY(a) bak->a = src->a |
#define | COLOR(theta, r) |
Functions | |
static void | dct_unquantize_mpeg1_intra_c (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
static void | dct_unquantize_mpeg1_inter_c (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
static void | dct_unquantize_mpeg2_intra_c (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
static void | dct_unquantize_mpeg2_intra_bitexact (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
static void | dct_unquantize_mpeg2_inter_c (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
static void | dct_unquantize_h263_intra_c (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
static void | dct_unquantize_h263_inter_c (MpegEncContext *s, DCTELEM *block, int n, int qscale) |
const uint8_t * | avpriv_mpv_find_start_code (const uint8_t *restrict p, const uint8_t *end, uint32_t *restrict state) |
av_cold int | ff_dct_common_init (MpegEncContext *s) |
void | ff_copy_picture (Picture *dst, Picture *src) |
static void | free_frame_buffer (MpegEncContext *s, Picture *pic) |
Release a frame buffer. | |
static int | alloc_frame_buffer (MpegEncContext *s, Picture *pic) |
Allocate a frame buffer. | |
int | ff_alloc_picture (MpegEncContext *s, Picture *pic, int shared) |
Allocate a Picture. | |
static void | free_picture (MpegEncContext *s, Picture *pic) |
Deallocate a picture. | |
static int | init_duplicate_context (MpegEncContext *s, MpegEncContext *base) |
static void | free_duplicate_context (MpegEncContext *s) |
static void | backup_duplicate_context (MpegEncContext *bak, MpegEncContext *src) |
void | ff_update_duplicate_context (MpegEncContext *dst, MpegEncContext *src) |
int | ff_mpeg_update_thread_context (AVCodecContext *dst, const AVCodecContext *src) |
void | MPV_common_defaults (MpegEncContext *s) |
Set the given MpegEncContext to common defaults (same for encoding and decoding). | |
void | MPV_decode_defaults (MpegEncContext *s) |
Set the given MpegEncContext to defaults for decoding. | |
av_cold int | MPV_common_init (MpegEncContext *s) |
init common structure for both encoder and decoder. | |
void | MPV_common_end (MpegEncContext *s) |
void | ff_init_rl (RLTable *rl, uint8_t static_store[2][2 *MAX_RUN+MAX_LEVEL+3]) |
void | ff_init_vlc_rl (RLTable *rl) |
void | ff_release_unused_pictures (MpegEncContext *s, int remove_current) |
int | ff_find_unused_picture (MpegEncContext *s, int shared) |
static void | update_noise_reduction (MpegEncContext *s) |
int | MPV_frame_start (MpegEncContext *s, AVCodecContext *avctx) |
generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded. | |
void | MPV_frame_end (MpegEncContext *s) |
static void | draw_line (uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color) |
Draw a line from (ex, ey) -> (sx, sy). | |
static void | draw_arrow (uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color) |
Draw an arrow from (ex, ey) -> (sx, sy). | |
void | ff_print_debug_info (MpegEncContext *s, AVFrame *pict) |
Print debugging info for the given picture. | |
static int | hpel_motion_lowres (MpegEncContext *s, uint8_t *dest, uint8_t *src, int field_based, int field_select, int src_x, int src_y, int width, int height, int stride, int h_edge_pos, int v_edge_pos, int w, int h, h264_chroma_mc_func *pix_op, int motion_x, int motion_y) |
static av_always_inline void | mpeg_motion_lowres (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int field_based, int bottom_field, int field_select, uint8_t **ref_picture, h264_chroma_mc_func *pix_op, int motion_x, int motion_y, int h, int mb_y) |
static void | chroma_4mv_motion_lowres (MpegEncContext *s, uint8_t *dest_cb, uint8_t *dest_cr, uint8_t **ref_picture, h264_chroma_mc_func *pix_op, int mx, int my) |
static void | MPV_motion_lowres (MpegEncContext *s, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, int dir, uint8_t **ref_picture, h264_chroma_mc_func *pix_op) |
motion compensation of a single macroblock | |
int | MPV_lowest_referenced_row (MpegEncContext *s, int dir) |
find the lowest MB row referenced in the MVs | |
static void | put_dct (MpegEncContext *s, DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
static void | add_dct (MpegEncContext *s, DCTELEM *block, int i, uint8_t *dest, int line_size) |
static void | add_dequant_dct (MpegEncContext *s, DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
void | ff_clean_intra_table_entries (MpegEncContext *s) |
Clean dc, ac, coded_block for the current non-intra MB. | |
static av_always_inline void | MPV_decode_mb_internal (MpegEncContext *s, DCTELEM block[12][64], int lowres_flag, int is_mpeg12) |
void | MPV_decode_mb (MpegEncContext *s, DCTELEM block[12][64]) |
void | ff_draw_horiz_band (MpegEncContext *s, int y, int h) |
void | ff_init_block_index (MpegEncContext *s) |
void | ff_mpeg_flush (AVCodecContext *avctx) |
void | ff_set_qscale (MpegEncContext *s, int qscale) |
set qscale and update qscale dependent variables. | |
void | MPV_report_decode_progress (MpegEncContext *s) |
Variables | |
static const uint8_t | ff_default_chroma_qscale_table [32] |
const uint8_t | ff_mpeg1_dc_scale_table [128] |
static const uint8_t | mpeg2_dc_scale_table1 [128] |
static const uint8_t | mpeg2_dc_scale_table2 [128] |
static const uint8_t | mpeg2_dc_scale_table3 [128] |
const uint8_t *const | ff_mpeg2_dc_scale_table [4] |
enum PixelFormat | ff_pixfmt_list_420 [] |
enum PixelFormat | ff_hwaccel_pixfmt_list_420 [] |
Definition in file mpegvideo.c.
#define COLOR | ( | theta, | |||
r | ) |
Value:
u = (int)(128 + r * cos(theta * 3.141592 / 180)); \ v = (int)(128 + r * sin(theta * 3.141592 / 180));
Referenced by avfilter_register_all(), and ff_print_debug_info().
#define COPY | ( | a | ) | bak->a = src->a |
static void add_dct | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | i, | |||
uint8_t * | dest, | |||
int | line_size | |||
) | [inline, static] |
static void add_dequant_dct | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | i, | |||
uint8_t * | dest, | |||
int | line_size, | |||
int | qscale | |||
) | [inline, static] |
static int alloc_frame_buffer | ( | MpegEncContext * | s, | |
Picture * | pic | |||
) | [static] |
Allocate a frame buffer.
Definition at line 246 of file mpegvideo.c.
Referenced by ff_alloc_picture().
const uint8_t* avpriv_mpv_find_start_code | ( | const uint8_t *restrict | p, | |
const uint8_t * | end, | |||
uint32_t *restrict | state | |||
) |
Definition at line 143 of file mpegvideo.c.
Referenced by cavs_decode_frame(), decode_chunks(), ff_mpeg1_find_frame_end(), ff_rtp_send_mpegvideo(), mpeg_decode_slice(), mpegts_write_packet(), mpegvideo_extract_headers(), parse_nal_units(), and slice_decode_thread().
static void backup_duplicate_context | ( | MpegEncContext * | bak, | |
MpegEncContext * | src | |||
) | [static] |
static void chroma_4mv_motion_lowres | ( | MpegEncContext * | s, | |
uint8_t * | dest_cb, | |||
uint8_t * | dest_cr, | |||
uint8_t ** | ref_picture, | |||
h264_chroma_mc_func * | pix_op, | |||
int | mx, | |||
int | my | |||
) | [inline, static] |
static void dct_unquantize_h263_inter_c | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void dct_unquantize_h263_intra_c | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void dct_unquantize_mpeg1_inter_c | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void dct_unquantize_mpeg1_intra_c | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void dct_unquantize_mpeg2_inter_c | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void dct_unquantize_mpeg2_intra_bitexact | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void dct_unquantize_mpeg2_intra_c | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | n, | |||
int | qscale | |||
) | [static] |
static void draw_arrow | ( | uint8_t * | buf, | |
int | sx, | |||
int | sy, | |||
int | ex, | |||
int | ey, | |||
int | w, | |||
int | h, | |||
int | stride, | |||
int | color | |||
) | [static] |
Draw an arrow from (ex, ey) -> (sx, sy).
w | width of the image | |
h | height of the image | |
stride | stride/linesize of the image | |
color | color of the arrow |
Definition at line 1461 of file mpegvideo.c.
Referenced by ff_print_debug_info().
static void draw_line | ( | uint8_t * | buf, | |
int | sx, | |||
int | sy, | |||
int | ex, | |||
int | ey, | |||
int | w, | |||
int | h, | |||
int | stride, | |||
int | color | |||
) | [static] |
Draw a line from (ex, ey) -> (sx, sy).
w | width of the image | |
h | height of the image | |
stride | stride/linesize of the image | |
color | color of the arrow |
Definition at line 1408 of file mpegvideo.c.
Referenced by draw_arrow().
int ff_alloc_picture | ( | MpegEncContext * | s, | |
Picture * | pic, | |||
int | shared | |||
) |
Allocate a Picture.
The pixels are allocated/set by calling get_buffer() if shared = 0
Definition at line 295 of file mpegvideo.c.
Referenced by load_input_picture(), MPV_frame_start(), and select_input_picture().
void ff_clean_intra_table_entries | ( | MpegEncContext * | s | ) |
Clean dc, ac, coded_block for the current non-intra MB.
Definition at line 2222 of file mpegvideo.c.
Referenced by encode_thread(), mpeg4_decode_partition_a(), and MPV_decode_mb_internal().
Definition at line 222 of file mpegvideo.c.
Referenced by decode_slice_header(), MPV_frame_start(), and select_input_picture().
av_cold int ff_dct_common_init | ( | MpegEncContext * | s | ) |
Definition at line 177 of file mpegvideo.c.
Referenced by dnxhd_encode_init(), ff_h263_decode_frame(), and MPV_common_init().
void ff_draw_horiz_band | ( | MpegEncContext * | s, | |
int | y, | |||
int | h | |||
) |
h | is the normal height, this will be reduced automatically if needed for the last row |
Definition at line 2516 of file mpegvideo.c.
Referenced by decode_finish_row(), decode_slice(), ff_dxva2_common_end_frame(), ff_intrax8_decode_picture(), ff_vaapi_common_end_frame(), ff_vdpau_h264_picture_complete(), ff_vdpau_mpeg4_decode_picture(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ff_xvmc_decode_mb(), ff_xvmc_field_end(), mpeg_decode_slice(), svq3_decode_frame(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().
int ff_find_unused_picture | ( | MpegEncContext * | s, | |
int | shared | |||
) |
Definition at line 1066 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), h261_decode_frame(), load_input_picture(), MPV_frame_start(), select_input_picture(), and vc1_decode_frame().
void ff_init_block_index | ( | MpegEncContext * | s | ) |
Definition at line 2582 of file mpegvideo.c.
Referenced by decode_mb(), decode_slice(), encode_thread(), estimate_motion_thread(), ff_er_frame_end(), ff_h261_reorder_mb_index(), guess_mv(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg_decode_slice(), rv10_decode_packet(), rv34_decode_slice(), svq1_encode_plane(), vc1_decode_b_blocks(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_blocks(), and vc1_decode_skip_blocks().
void ff_init_rl | ( | RLTable * | rl, | |
uint8_t | static_store[2][2 *MAX_RUN+MAX_LEVEL+3] | |||
) |
static_store | static uint8_t array[2][2*MAX_RUN + MAX_LEVEL + 3] which will hold the level and run tables, if this is NULL av_malloc() will be used |
Definition at line 959 of file mpegvideo.c.
Referenced by decode_init(), encode_init(), ff_h261_encode_init(), ff_h263_decode_init_vlc(), ff_h263_encode_init(), ff_mpeg12_init_vlcs(), ff_mpeg1_encode_init(), ff_msmpeg4_decode_init(), and h261_decode_init_vlc().
void ff_init_vlc_rl | ( | RLTable * | rl | ) |
Definition at line 1011 of file mpegvideo.c.
void ff_mpeg_flush | ( | AVCodecContext * | avctx | ) |
int ff_mpeg_update_thread_context | ( | AVCodecContext * | dst, | |
const AVCodecContext * | src | |||
) |
Definition at line 529 of file mpegvideo.c.
Referenced by decode_update_thread_context(), ff_rv34_decode_update_thread_context(), and mpeg_decode_update_thread_context().
void ff_print_debug_info | ( | MpegEncContext * | s, | |
AVFrame * | pict | |||
) |
Print debugging info for the given picture.
Definition at line 1492 of file mpegvideo.c.
Referenced by decode_frame(), ff_h263_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc1_decode_frame().
void ff_release_unused_pictures | ( | MpegEncContext * | s, | |
int | remove_current | |||
) |
Definition at line 1051 of file mpegvideo.c.
Referenced by decode_slice_header(), and MPV_frame_start().
void ff_set_qscale | ( | MpegEncContext * | s, | |
int | qscale | |||
) |
set qscale and update qscale dependent variables.
Definition at line 2863 of file mpegvideo.c.
Referenced by decode_slice(), encode_mb_internal(), encode_thread(), ff_h261_encode_mb(), h261_decode_gob(), h261_decode_mb(), h263_decode_dquant(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg4_decode_partitioned_mb(), and rv10_decode_packet().
void ff_update_duplicate_context | ( | MpegEncContext * | dst, | |
MpegEncContext * | src | |||
) |
static void free_duplicate_context | ( | MpegEncContext * | s | ) | [static] |
static void free_frame_buffer | ( | MpegEncContext * | s, | |
Picture * | pic | |||
) | [static] |
Release a frame buffer.
Definition at line 231 of file mpegvideo.c.
Referenced by alloc_frame_buffer(), ff_alloc_picture(), ff_mpeg_flush(), ff_release_unused_pictures(), free_picture(), MPV_frame_end(), and MPV_frame_start().
static void free_picture | ( | MpegEncContext * | s, | |
Picture * | pic | |||
) | [static] |
static int hpel_motion_lowres | ( | MpegEncContext * | s, | |
uint8_t * | dest, | |||
uint8_t * | src, | |||
int | field_based, | |||
int | field_select, | |||
int | src_x, | |||
int | src_y, | |||
int | width, | |||
int | height, | |||
int | stride, | |||
int | h_edge_pos, | |||
int | v_edge_pos, | |||
int | w, | |||
int | h, | |||
h264_chroma_mc_func * | pix_op, | |||
int | motion_x, | |||
int | motion_y | |||
) | [inline, static] |
static int init_duplicate_context | ( | MpegEncContext * | s, | |
MpegEncContext * | base | |||
) | [static] |
static av_always_inline void mpeg_motion_lowres | ( | MpegEncContext * | s, | |
uint8_t * | dest_y, | |||
uint8_t * | dest_cb, | |||
uint8_t * | dest_cr, | |||
int | field_based, | |||
int | bottom_field, | |||
int | field_select, | |||
uint8_t ** | ref_picture, | |||
h264_chroma_mc_func * | pix_op, | |||
int | motion_x, | |||
int | motion_y, | |||
int | h, | |||
int | mb_y | |||
) | [static] |
void MPV_common_defaults | ( | MpegEncContext * | s | ) |
Set the given MpegEncContext to common defaults (same for encoding and decoding).
Set the given MpegEncContext to common defaults (same for encoding and decoding).
The changed fields will not depend upon the prior state of the MpegEncContext.
Definition at line 621 of file mpegvideo.c.
Referenced by MPV_decode_defaults(), and MPV_encode_defaults().
void MPV_common_end | ( | MpegEncContext * | s | ) |
Definition at line 870 of file mpegvideo.c.
Referenced by decode_slice_header(), ff_h263_decode_end(), ff_h263_decode_frame(), ff_h264_decode_end(), ff_rv34_decode_end(), ff_rv34_decode_frame(), ff_rv34_decode_update_thread_context(), h261_decode_end(), h261_decode_frame(), mpeg_decode_end(), mpeg_decode_postinit(), MPV_common_init(), MPV_encode_end(), rv10_decode_end(), rv20_decode_picture_header(), svq1_decode_end(), svq3_decode_end(), vc1_decode_end(), and vcr2_init_sequence().
av_cold int MPV_common_init | ( | MpegEncContext * | s | ) |
init common structure for both encoder and decoder.
this assumes that some variables like width/height are already set
Definition at line 659 of file mpegvideo.c.
Referenced by decode_pic(), decode_slice_header(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg_update_thread_context(), ff_rv34_decode_frame(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), ff_rv34_decode_update_thread_context(), h261_decode_frame(), MPV_encode_init(), rv10_decode_init(), rv20_decode_picture_header(), svq1_decode_init(), svq3_decode_init(), and vcr2_init_sequence().
void MPV_decode_defaults | ( | MpegEncContext * | s | ) |
Set the given MpegEncContext to defaults for decoding.
the changed fields will not depend upon the prior state of the MpegEncContext.
Definition at line 650 of file mpegvideo.c.
Referenced by ff_cavs_init(), ff_h263_decode_init(), ff_h264_decode_init(), ff_rv34_decode_init(), h261_decode_init(), mpeg_decode_init(), rv10_decode_init(), and svq1_decode_init().
void MPV_decode_mb | ( | MpegEncContext * | s, | |
DCTELEM | block[12][64] | |||
) |
Definition at line 2502 of file mpegvideo.c.
Referenced by decode_mb(), decode_slice(), encode_mb_hq(), encode_thread(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg_decode_slice(), and rv10_decode_packet().
static av_always_inline void MPV_decode_mb_internal | ( | MpegEncContext * | s, | |
DCTELEM | block[12][64], | |||
int | lowres_flag, | |||
int | is_mpeg12 | |||
) | [static] |
void MPV_frame_end | ( | MpegEncContext * | s | ) |
Definition at line 1331 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_rv34_decode_frame(), field_end(), finish_frame(), h261_decode_frame(), MPV_encode_picture(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), svq1_decode_frame(), svq3_decode_frame(), and vc1_decode_frame().
int MPV_frame_start | ( | MpegEncContext * | s, | |
AVCodecContext * | avctx | |||
) |
generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded.
Definition at line 1128 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_h264_frame_start(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), MPV_encode_picture(), rv10_decode_packet(), svq1_decode_frame(), and vc1_decode_frame().
int MPV_lowest_referenced_row | ( | MpegEncContext * | s, | |
int | dir | |||
) |
find the lowest MB row referenced in the MVs
Definition at line 2158 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
static void MPV_motion_lowres | ( | MpegEncContext * | s, | |
uint8_t * | dest_y, | |||
uint8_t * | dest_cb, | |||
uint8_t * | dest_cr, | |||
int | dir, | |||
uint8_t ** | ref_picture, | |||
h264_chroma_mc_func * | pix_op | |||
) | [inline, static] |
motion compensation of a single macroblock
s | context | |
dest_y | luma destination pointer | |
dest_cb | chroma cb/u destination pointer | |
dest_cr | chroma cr/v destination pointer | |
dir | direction (0->forward, 1->backward) | |
ref_picture | array[3] of pointers to the 3 planes of the reference picture | |
pix_op | halfpel motion compensation function (average or put normally) the motion vectors are taken from s->mv and the MV type from s->mv_type |
Definition at line 2024 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
void MPV_report_decode_progress | ( | MpegEncContext * | s | ) |
static void put_dct | ( | MpegEncContext * | s, | |
DCTELEM * | block, | |||
int | i, | |||
uint8_t * | dest, | |||
int | line_size, | |||
int | qscale | |||
) | [inline, static] |
static void update_noise_reduction | ( | MpegEncContext * | s | ) | [static] |
const uint8_t ff_default_chroma_qscale_table[32] [static] |
Initial value:
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 }
Definition at line 69 of file mpegvideo.c.
Referenced by MPV_common_defaults().
const uint8_t ff_mpeg1_dc_scale_table[128] |
Initial value:
{ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, }
Definition at line 75 of file mpegvideo.c.
Referenced by common_init(), ff_flv_decode_picture_header(), ff_flv_encode_picture_header(), ff_h261_encode_init(), ff_h263_decode_picture_header(), ff_h263_encode_init(), ff_h263_encode_picture_header(), ff_intel_h263_decode_picture_header(), MPV_common_defaults(), rv10_decode_packet(), and rv20_encode_picture_header().
const uint8_t* const ff_mpeg2_dc_scale_table[4] |
Initial value:
Definition at line 123 of file mpegvideo.c.
Referenced by encode_picture(), and ff_mpeg12_common_init().
enum PixelFormat ff_pixfmt_list_420[] |
const uint8_t mpeg2_dc_scale_table1[128] [static] |
Initial value:
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, }
Definition at line 87 of file mpegvideo.c.
const uint8_t mpeg2_dc_scale_table2[128] [static] |
Initial value:
{ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, }
Definition at line 99 of file mpegvideo.c.
const uint8_t mpeg2_dc_scale_table3[128] [static] |
Initial value:
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, }
Definition at line 111 of file mpegvideo.c.