FFmpeg
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The simplest mpeg encoder (well, it was the simplest!). More...
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/timer.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "h264chroma.h"
#include "idctdsp.h"
#include "internal.h"
#include "mathops.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "qpeldsp.h"
#include "thread.h"
#include <limits.h>
Go to the source code of this file.
Macros | |
#define | MAKE_WRITABLE(table) |
#define | UPDATE_TABLE(table) |
#define | COPY(a) bak->a = src->a |
#define | UPDATE_PICTURE(pic) |
#define | COLOR(theta, r) |
Functions | |
static void | dct_unquantize_mpeg1_intra_c (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | dct_unquantize_mpeg1_inter_c (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | dct_unquantize_mpeg2_intra_c (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | dct_unquantize_mpeg2_intra_bitexact (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | dct_unquantize_mpeg2_inter_c (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | dct_unquantize_h263_intra_c (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | dct_unquantize_h263_inter_c (MpegEncContext *s, int16_t *block, int n, int qscale) |
static void | mpeg_er_decode_mb (void *opaque, int ref, int mv_dir, int mv_type, int(*mv)[2][4][2], int mb_x, int mb_y, int mb_intra, int mb_skipped) |
static void | gray16 (uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h) |
static void | gray8 (uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h) |
av_cold int | ff_dct_common_init (MpegEncContext *s) |
static int | frame_size_alloc (MpegEncContext *s, int linesize) |
static int | alloc_frame_buffer (MpegEncContext *s, Picture *pic) |
Allocate a frame buffer. | |
void | ff_free_picture_tables (Picture *pic) |
static int | alloc_picture_tables (MpegEncContext *s, Picture *pic) |
static int | make_tables_writable (Picture *pic) |
int | ff_alloc_picture (MpegEncContext *s, Picture *pic, int shared) |
Allocate a Picture. | |
void | ff_mpeg_unref_picture (MpegEncContext *s, Picture *pic) |
Deallocate a picture. | |
static int | update_picture_tables (Picture *dst, Picture *src) |
int | ff_mpeg_ref_picture (MpegEncContext *s, Picture *dst, Picture *src) |
static void | exchange_uv (MpegEncContext *s) |
static int | init_duplicate_context (MpegEncContext *s) |
static void | free_duplicate_context (MpegEncContext *s) |
static void | backup_duplicate_context (MpegEncContext *bak, MpegEncContext *src) |
int | ff_update_duplicate_context (MpegEncContext *dst, MpegEncContext *src) |
int | ff_mpeg_update_thread_context (AVCodecContext *dst, const AVCodecContext *src) |
void | ff_MPV_common_defaults (MpegEncContext *s) |
Set the given MpegEncContext to common defaults (same for encoding and decoding). | |
void | ff_MPV_decode_defaults (MpegEncContext *s) |
Set the given MpegEncContext to defaults for decoding. | |
static int | init_er (MpegEncContext *s) |
static int | init_context_frame (MpegEncContext *s) |
Initialize and allocates MpegEncContext fields dependent on the resolution. | |
av_cold int | ff_MPV_common_init (MpegEncContext *s) |
init common structure for both encoder and decoder. | |
static int | free_context_frame (MpegEncContext *s) |
Frees and resets MpegEncContext fields depending on the resolution. | |
int | ff_MPV_common_frame_size_change (MpegEncContext *s) |
void | ff_MPV_common_end (MpegEncContext *s) |
av_cold void | ff_init_rl (RLTable *rl, uint8_t static_store[2][2 *MAX_RUN+MAX_LEVEL+3]) |
av_cold void | ff_init_vlc_rl (RLTable *rl) |
static void | release_unused_pictures (MpegEncContext *s) |
static int | pic_is_unused (MpegEncContext *s, Picture *pic) |
static int | find_unused_picture (MpegEncContext *s, int shared) |
int | ff_find_unused_picture (MpegEncContext *s, int shared) |
static void | gray_frame (AVFrame *frame) |
int | ff_MPV_frame_start (MpegEncContext *s, AVCodecContext *avctx) |
generic function called after decoding the header and before a frame is decoded. | |
void | ff_MPV_frame_end (MpegEncContext *s) |
static int | clip_line (int *sx, int *sy, int *ex, int *ey, int maxx) |
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, int tail, int direction) |
Draw an arrow from (ex, ey) -> (sx, sy). | |
void | ff_print_debug_info2 (AVCodecContext *avctx, AVFrame *pict, uint8_t *mbskip_table, uint32_t *mbtype_table, int8_t *qscale_table, int16_t(*motion_val[2])[2], int *low_delay, int mb_width, int mb_height, int mb_stride, int quarter_sample) |
Print debugging info for the given picture. | |
void | ff_print_debug_info (MpegEncContext *s, Picture *p, AVFrame *pict) |
int | ff_mpv_export_qp_table (MpegEncContext *s, AVFrame *f, Picture *p, int qp_type) |
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, ptrdiff_t 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 | ff_MPV_lowest_referenced_row (MpegEncContext *s, int dir) |
find the lowest MB row referenced in the MVs | |
static void | put_dct (MpegEncContext *s, int16_t *block, int i, uint8_t *dest, int line_size, int qscale) |
static void | add_dct (MpegEncContext *s, int16_t *block, int i, uint8_t *dest, int line_size) |
static void | add_dequant_dct (MpegEncContext *s, int16_t *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, int16_t block[12][64], int lowres_flag, int is_mpeg12) |
void | ff_MPV_decode_mb (MpegEncContext *s, int16_t block[12][64]) |
void | ff_mpeg_draw_horiz_band (MpegEncContext *s, int y, int h) |
void | ff_init_block_index (MpegEncContext *s) |
void | ff_block_permute (int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last) |
Permute an 8x8 block. | |
void | ff_mpeg_flush (AVCodecContext *avctx) |
void | ff_set_qscale (MpegEncContext *s, int qscale) |
set qscale and update qscale dependent variables. | |
void | ff_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] |
const uint8_t | ff_alternate_horizontal_scan [64] |
const uint8_t | ff_alternate_vertical_scan [64] |
The simplest mpeg encoder (well, it was the simplest!).
Definition in file mpegvideo.c.
#define MAKE_WRITABLE | ( | table | ) |
Referenced by make_tables_writable().
#define UPDATE_TABLE | ( | table | ) |
Referenced by update_picture_tables().
#define UPDATE_PICTURE | ( | pic | ) |
Referenced by ff_mpeg_update_thread_context().
#define COLOR | ( | theta, | |
r | |||
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Definition at line 132 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 161 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 190 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 217 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 248 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 279 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 313 of file mpegvideo.c.
Referenced by ff_dct_common_init().
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Definition at line 339 of file mpegvideo.c.
Referenced by init_er().
Definition at line 367 of file mpegvideo.c.
Referenced by ff_dct_common_init().
Definition at line 373 of file mpegvideo.c.
Referenced by ff_dct_common_init().
av_cold int ff_dct_common_init | ( | MpegEncContext * | s | ) |
Definition at line 380 of file mpegvideo.c.
Referenced by dnxhd_encode_init(), ff_mpeg4_workaround_bugs(), and ff_MPV_common_init().
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Definition at line 437 of file mpegvideo.c.
Referenced by alloc_frame_buffer(), ff_mpeg_update_thread_context(), and ff_update_duplicate_context().
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Allocate a frame buffer.
Definition at line 474 of file mpegvideo.c.
Referenced by ff_alloc_picture().
Definition at line 553 of file mpegvideo.c.
Referenced by ff_alloc_picture(), ff_find_unused_picture(), ff_mpeg_unref_picture(), ff_MPV_common_end(), and ff_MPV_encode_end().
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Definition at line 573 of file mpegvideo.c.
Referenced by ff_alloc_picture().
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Definition at line 614 of file mpegvideo.c.
Referenced by ff_alloc_picture().
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 643 of file mpegvideo.c.
Referenced by ff_MPV_frame_start(), load_input_picture(), and select_input_picture().
void ff_mpeg_unref_picture | ( | MpegEncContext * | s, |
Picture * | pic | ||
) |
Deallocate a picture.
Definition at line 700 of file mpegvideo.c.
Referenced by alloc_frame_buffer(), ff_alloc_picture(), ff_find_unused_picture(), ff_mpeg_flush(), ff_mpeg_ref_picture(), ff_mpeg_update_thread_context(), ff_MPV_common_end(), ff_MPV_encode_end(), ff_MPV_encode_picture(), ff_MPV_frame_start(), frame_start(), release_unused_pictures(), and select_input_picture().
Definition at line 722 of file mpegvideo.c.
Referenced by ff_mpeg_ref_picture().
int ff_mpeg_ref_picture | ( | MpegEncContext * | s, |
Picture * | dst, | ||
Picture * | src | ||
) |
Definition at line 767 of file mpegvideo.c.
Referenced by ff_mpeg_update_thread_context(), ff_MPV_frame_start(), frame_start(), and select_input_picture().
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Definition at line 805 of file mpegvideo.c.
Referenced by ff_update_duplicate_context(), and init_duplicate_context().
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Definition at line 814 of file mpegvideo.c.
Referenced by ff_MPV_common_frame_size_change(), and ff_MPV_common_init().
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Definition at line 864 of file mpegvideo.c.
Referenced by ff_MPV_common_end(), and ff_MPV_common_frame_size_change().
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Definition at line 884 of file mpegvideo.c.
Referenced by ff_update_duplicate_context().
int ff_update_duplicate_context | ( | MpegEncContext * | dst, |
MpegEncContext * | src | ||
) |
Definition at line 911 of file mpegvideo.c.
Referenced by decode_chunks(), and encode_picture().
int ff_mpeg_update_thread_context | ( | AVCodecContext * | dst, |
const AVCodecContext * | src | ||
) |
Definition at line 936 of file mpegvideo.c.
Referenced by ff_rv34_decode_update_thread_context(), mpeg4_update_thread_context(), and mpeg_decode_update_thread_context().
void ff_MPV_common_defaults | ( | MpegEncContext * | s | ) |
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 1074 of file mpegvideo.c.
Referenced by ff_MPV_decode_defaults(), and MPV_encode_defaults().
void ff_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 1097 of file mpegvideo.c.
Referenced by ff_h263_decode_init(), ff_rv34_decode_init(), h261_decode_init(), mpeg_decode_init(), and rv10_decode_init().
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Definition at line 1102 of file mpegvideo.c.
Referenced by init_context_frame().
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Initialize and allocates MpegEncContext fields dependent on the resolution.
Definition at line 1142 of file mpegvideo.c.
Referenced by ff_MPV_common_frame_size_change(), and ff_MPV_common_init().
av_cold int ff_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 1266 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_h263_decode_init(), ff_mpeg_update_thread_context(), ff_MPV_encode_init(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), h261_decode_frame(), rv10_decode_init(), rv20_decode_picture_header(), svq1_encode_init(), and vcr2_init_sequence().
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Frees and resets MpegEncContext fields depending on the resolution.
Is used during resolution changes to avoid a full reinitialization of the codec.
Definition at line 1384 of file mpegvideo.c.
Referenced by ff_MPV_common_end(), and ff_MPV_common_frame_size_change().
int ff_MPV_common_frame_size_change | ( | MpegEncContext * | s | ) |
Definition at line 1435 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_mpeg_update_thread_context(), ff_rv34_decode_frame(), and ff_rv34_decode_update_thread_context().
void ff_MPV_common_end | ( | MpegEncContext * | s | ) |
Definition at line 1509 of file mpegvideo.c.
Referenced by ff_h263_decode_end(), ff_MPV_common_frame_size_change(), ff_MPV_common_init(), ff_MPV_encode_end(), ff_rv34_decode_end(), ff_rv34_decode_init(), ff_rv34_decode_init_thread_copy(), ff_vc1_decode_end(), h261_decode_end(), h261_decode_frame(), mpeg_decode_end(), mpeg_decode_postinit(), rv10_decode_end(), rv20_decode_picture_header(), svq1_encode_end(), vc1_decode_frame(), and vcr2_init_sequence().
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 1559 of file mpegvideo.c.
Referenced by encode_init(), ff_h261_common_init(), ff_h263_decode_init_vlc(), ff_h263_encode_init(), ff_mpeg12_init_vlcs(), ff_mpeg1_encode_init(), ff_mpeg4videodec_static_init(), ff_msmpeg4_decode_init(), and ff_msmpeg4_encode_init().
Definition at line 1611 of file mpegvideo.c.
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Definition at line 1651 of file mpegvideo.c.
Referenced by ff_MPV_frame_start().
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Definition at line 1662 of file mpegvideo.c.
Referenced by find_unused_picture().
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Definition at line 1673 of file mpegvideo.c.
Referenced by ff_find_unused_picture().
int ff_find_unused_picture | ( | MpegEncContext * | s, |
int | shared | ||
) |
Definition at line 1706 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), ff_MPV_frame_start(), load_input_picture(), and select_input_picture().
Definition at line 1720 of file mpegvideo.c.
Referenced by ff_MPV_frame_start().
int ff_MPV_frame_start | ( | MpegEncContext * | s, |
AVCodecContext * | avctx | ||
) |
generic function called after decoding the header and before a frame is decoded.
Definition at line 1740 of file mpegvideo.c.
Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), mpeg_field_start(), rv10_decode_packet(), and vc1_decode_frame().
void ff_MPV_frame_end | ( | MpegEncContext * | s | ) |
Definition at line 1970 of file mpegvideo.c.
Referenced by decode_wmv9(), ff_h263_decode_frame(), ff_rv34_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), rv10_decode_packet(), slice_end(), and vc1_decode_frame().
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Definition at line 1979 of file mpegvideo.c.
Referenced by draw_line().
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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 2008 of file mpegvideo.c.
Referenced by draw_arrow().
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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 2066 of file mpegvideo.c.
Referenced by ff_print_debug_info2().
void ff_print_debug_info2 | ( | AVCodecContext * | avctx, |
AVFrame * | pict, | ||
uint8_t * | mbskip_table, | ||
uint32_t * | mbtype_table, | ||
int8_t * | qscale_table, | ||
int16_t(*[2]) | motion_val[2], | ||
int * | low_delay, | ||
int | mb_width, | ||
int | mb_height, | ||
int | mb_stride, | ||
int | quarter_sample | ||
) |
Print debugging info for the given picture.
Definition at line 2107 of file mpegvideo.c.
Referenced by ff_print_debug_info(), and h264_decode_frame().
void ff_print_debug_info | ( | MpegEncContext * | s, |
Picture * | p, | ||
AVFrame * | pict | ||
) |
Definition at line 2394 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc1_decode_frame().
int ff_mpv_export_qp_table | ( | MpegEncContext * | s, |
AVFrame * | f, | ||
Picture * | p, | ||
int | qp_type | ||
) |
Definition at line 2401 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), finish_frame(), rv10_decode_frame(), and slice_end().
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Definition at line 2413 of file mpegvideo.c.
Referenced by MPV_motion_lowres().
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Definition at line 2460 of file mpegvideo.c.
Referenced by MPV_motion_lowres().
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Definition at line 2597 of file mpegvideo.c.
Referenced by MPV_motion_lowres().
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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 2665 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
int ff_MPV_lowest_referenced_row | ( | MpegEncContext * | s, |
int | dir | ||
) |
find the lowest MB row referenced in the MVs
Definition at line 2799 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
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Definition at line 2835 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
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Definition at line 2843 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
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Definition at line 2851 of file mpegvideo.c.
Referenced by MPV_decode_mb_internal().
void ff_clean_intra_table_entries | ( | MpegEncContext * | s | ) |
Clean dc, ac, coded_block for the current non-intra MB.
Definition at line 2864 of file mpegvideo.c.
Referenced by encode_thread(), mpeg4_decode_partition_a(), and MPV_decode_mb_internal().
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Definition at line 2905 of file mpegvideo.c.
Referenced by ff_MPV_decode_mb().
void ff_MPV_decode_mb | ( | MpegEncContext * | s, |
int16_t | block[12][64] | ||
) |
Definition at line 3151 of file mpegvideo.c.
Referenced by decode_slice(), encode_mb_hq(), encode_thread(), h261_decode_mb(), h261_decode_mb_skipped(), mpeg_decode_slice(), mpeg_er_decode_mb(), and rv10_decode_packet().
void ff_mpeg_draw_horiz_band | ( | MpegEncContext * | s, |
int | y, | ||
int | h | ||
) |
Definition at line 3162 of file mpegvideo.c.
Referenced by decode_slice(), dxva2_mpeg2_end_frame(), dxva2_vc1_end_frame(), ff_intrax8_decode_picture(), ff_vaapi_mpeg_end_frame(), ff_xvmc_decode_mb(), ff_xvmc_field_end(), mpeg_decode_slice(), 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_block_index | ( | MpegEncContext * | s | ) |
Definition at line 3169 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(), init_block_index(), mpeg4_decode_partition_a(), mpeg4_decode_partition_b(), mpeg_decode_slice(), mpeg_er_decode_mb(), rv10_decode_packet(), and rv34_decode_slice().
void ff_block_permute | ( | int16_t * | block, |
uint8_t * | permutation, | ||
const uint8_t * | scantable, | ||
int | last | ||
) |
Permute an 8x8 block.
permute block according to permuatation.
block | the block which will be permuted according to the given permutation vector |
permutation | the permutation vector |
last | the last non zero coefficient in scantable order, used to speed the permutation up |
scantable | the used scantable, this is only used to speed the permutation up, the block is not (inverse) permutated to scantable order! |
Definition at line 3209 of file mpegvideo.c.
Referenced by ff_dct_quantize_c().
void ff_mpeg_flush | ( | AVCodecContext * | avctx | ) |
Definition at line 3230 of file mpegvideo.c.
Referenced by decode_wmv9(), and flush().
void ff_set_qscale | ( | MpegEncContext * | s, |
int | qscale | ||
) |
set qscale and update qscale dependent variables.
Definition at line 3261 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_MPV_report_decode_progress | ( | MpegEncContext * | s | ) |
Definition at line 3275 of file mpegvideo.c.
Referenced by decode_slice(), and mpeg_decode_slice().
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Definition at line 49 of file mpegvideo.c.
Referenced by ff_MPV_common_defaults().
const uint8_t ff_mpeg1_dc_scale_table[128] |
Definition at line 55 of file mpegvideo.c.
Referenced by ff_flv_decode_picture_header(), ff_flv_encode_picture_header(), ff_h261_encode_init(), ff_h263_decode_picture_header(), ff_h263_encode_init(), ff_intel_h263_decode_picture_header(), ff_MPV_common_defaults(), ff_msmpeg4_common_init(), ff_rv20_encode_picture_header(), and rv10_decode_packet().
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Definition at line 67 of file mpegvideo.c.
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Definition at line 79 of file mpegvideo.c.
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Definition at line 91 of file mpegvideo.c.
const uint8_t* const ff_mpeg2_dc_scale_table[4] |
Definition at line 103 of file mpegvideo.c.
Referenced by encode_picture(), and ff_mpeg12_common_init().
const uint8_t ff_alternate_horizontal_scan[64] |
Definition at line 110 of file mpegvideo.c.
Referenced by decode_vop_header(), and ff_dct_common_init().
const uint8_t ff_alternate_vertical_scan[64] |
Definition at line 121 of file mpegvideo.c.
Referenced by decode_vop_header(), ff_dct_common_init(), and mpeg_decode_picture_coding_extension().