#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) |
allocates a Picture The pixels are allocated/set by calling get_buffer() if shared = 0 | |
static void | free_picture (MpegEncContext *s, Picture *pic) |
deallocates 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) |
sets the given MpegEncContext to common defaults (same for encoding and decoding). | |
void | MPV_decode_defaults (MpegEncContext *s) |
sets 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 | init_rl (RLTable *rl, uint8_t static_store[2][2 *MAX_RUN+MAX_LEVEL+3]) |
void | 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) |
draws an 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) |
draws an arrow from (ex, ey) -> (sx, sy). | |
void | ff_print_debug_info (MpegEncContext *s, AVFrame *pict) |
prints debuging 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) |
cleans 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:
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] |
draws 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 1417 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] |
draws an 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 1368 of file mpegvideo.c.
Referenced by draw_arrow().
int ff_alloc_picture | ( | MpegEncContext * | s, | |
Picture * | pic, | |||
int | shared | |||
) |
allocates a Picture The pixels are allocated/set by calling get_buffer() if shared = 0
allocates 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 | ) |
cleans dc, ac, coded_block for the current non intra MB
Definition at line 2104 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(), 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 2410 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 1078 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 2476 of file mpegvideo.c.
Referenced by decode_slice(), encode_thread(), estimate_motion_thread(), ff_h261_reorder_mb_index(), 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_mpeg_flush | ( | AVCodecContext * | avctx | ) |
int ff_mpeg_update_thread_context | ( | AVCodecContext * | dst, | |
const AVCodecContext * | src | |||
) |
Definition at line 538 of file mpegvideo.c.
Referenced by decode_update_thread_context(), and mpeg_decode_update_thread_context().
void ff_print_debug_info | ( | MpegEncContext * | s, | |
AVFrame * | pict | |||
) |
prints debuging info for the given picture.
Definition at line 1446 of file mpegvideo.c.
Referenced by decode_frame(), ff_h263_decode_frame(), ff_rv34_decode_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 1063 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 2757 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] |
void 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 971 of file mpegvideo.c.
Referenced by decode_init(), encode_init(), ff_h261_encode_init(), ff_mpeg12_init_vlcs(), ff_mpeg1_encode_init(), ff_msmpeg4_decode_init(), h261_decode_init_vlc(), h263_decode_init_vlc(), and h263_encode_init().
void init_vlc_rl | ( | RLTable * | rl | ) |
Definition at line 1023 of file mpegvideo.c.
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 | ) |
sets the given MpegEncContext to common defaults (same for encoding and decoding).
sets 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 633 of file mpegvideo.c.
Referenced by MPV_decode_defaults(), and MPV_encode_defaults().
void MPV_common_end | ( | MpegEncContext * | s | ) |
Definition at line 882 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(), 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(), rv34_decode_slice(), 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 669 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_init(), h261_decode_frame(), MPV_encode_init(), rv10_decode_init(), rv20_decode_picture_header(), rv34_decode_slice(), svq1_decode_init(), svq3_decode_init(), and vcr2_init_sequence().
void MPV_decode_defaults | ( | MpegEncContext * | s | ) |
sets the given MpegEncContext to defaults for decoding.
the changed fields will not depend upon the prior state of the MpegEncContext.
Definition at line 660 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 2395 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 1295 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_rv34_decode_frame(), field_end(), 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 1135 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_h264_frame_start(), h261_decode_frame(), mpeg_field_start(), MPV_encode_picture(), rv10_decode_packet(), rv34_decode_slice(), 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 2040 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 1922 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_intel_h263_decode_picture_header(), h263_decode_picture_header(), h263_encode_init(), h263_encode_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.