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mpegutils.h File Reference
#include <stdint.h>
#include "libavutil/frame.h"
#include "avcodec.h"
#include "version.h"

Go to the source code of this file.

Macros

#define FRAME_SKIPPED   100
 Return value for header parsers if frame is not coded. More...
 
#define PICT_TOP_FIELD   1
 
#define PICT_BOTTOM_FIELD   2
 
#define PICT_FRAME   3
 
#define DELAYED_PIC_REF   4
 Value of Picture.reference when Picture is not a reference picture, but is held for delayed output. More...
 
#define MAX_MB_BYTES   (30 * 16 * 16 * 3 / 8 + 120)
 
#define MAX_FCODE   7
 
#define MB_TYPE_INTRA   MB_TYPE_INTRA4x4
 
#define IS_INTRA4x4(a)   ((a) & MB_TYPE_INTRA4x4)
 
#define IS_INTRA16x16(a)   ((a) & MB_TYPE_INTRA16x16)
 
#define IS_PCM(a)   ((a) & MB_TYPE_INTRA_PCM)
 
#define IS_INTRA(a)   ((a) & 7)
 
#define IS_INTER(a)
 
#define IS_SKIP(a)   ((a) & MB_TYPE_SKIP)
 
#define IS_INTRA_PCM(a)   ((a) & MB_TYPE_INTRA_PCM)
 
#define IS_INTERLACED(a)   ((a) & MB_TYPE_INTERLACED)
 
#define IS_DIRECT(a)   ((a) & MB_TYPE_DIRECT2)
 
#define IS_GMC(a)   ((a) & MB_TYPE_GMC)
 
#define IS_16X16(a)   ((a) & MB_TYPE_16x16)
 
#define IS_16X8(a)   ((a) & MB_TYPE_16x8)
 
#define IS_8X16(a)   ((a) & MB_TYPE_8x16)
 
#define IS_8X8(a)   ((a) & MB_TYPE_8x8)
 
#define IS_SUB_8X8(a)   ((a) & MB_TYPE_16x16)
 
#define IS_SUB_8X4(a)   ((a) & MB_TYPE_16x8)
 
#define IS_SUB_4X8(a)   ((a) & MB_TYPE_8x16)
 
#define IS_SUB_4X4(a)   ((a) & MB_TYPE_8x8)
 
#define IS_ACPRED(a)   ((a) & MB_TYPE_ACPRED)
 
#define IS_QUANT(a)   ((a) & MB_TYPE_QUANT)
 
#define IS_DIR(a, part, list)   ((a) & (MB_TYPE_P0L0 << ((part) + 2 * (list))))
 
#define USES_LIST(a, list)   ((a) & ((MB_TYPE_P0L0 | MB_TYPE_P1L0) << (2 * (list))))
 
#define HAS_CBP(a)   ((a) & MB_TYPE_CBP)
 
#define CANDIDATE_MB_TYPE_INTRA   (1 << 0)
 
#define CANDIDATE_MB_TYPE_INTER   (1 << 1)
 
#define CANDIDATE_MB_TYPE_INTER4V   (1 << 2)
 
#define CANDIDATE_MB_TYPE_SKIPPED   (1 << 3)
 
#define CANDIDATE_MB_TYPE_DIRECT   (1 << 4)
 
#define CANDIDATE_MB_TYPE_FORWARD   (1 << 5)
 
#define CANDIDATE_MB_TYPE_BACKWARD   (1 << 6)
 
#define CANDIDATE_MB_TYPE_BIDIR   (1 << 7)
 
#define CANDIDATE_MB_TYPE_INTER_I   (1 << 8)
 
#define CANDIDATE_MB_TYPE_FORWARD_I   (1 << 9)
 
#define CANDIDATE_MB_TYPE_BACKWARD_I   (1 << 10)
 
#define CANDIDATE_MB_TYPE_BIDIR_I   (1 << 11)
 
#define CANDIDATE_MB_TYPE_DIRECT0   (1 << 12)
 
#define INPLACE_OFFSET   16
 

Enumerations

enum  OutputFormat { FMT_MPEG1, FMT_H261, FMT_H263, FMT_MJPEG }
 

Functions

void ff_draw_horiz_band (AVCodecContext *avctx, AVFrame *cur, AVFrame *last, int y, int h, int picture_structure, int first_field, int low_delay)
 Draw a horizontal band if supported. More...
 

Macro Definition Documentation

#define FRAME_SKIPPED   100

Return value for header parsers if frame is not coded.

Definition at line 34 of file mpegutils.h.

Referenced by ff_h263_decode_frame(), ff_intel_h263_decode_picture_header(), and ff_mpeg4_decode_picture_header().

#define PICT_TOP_FIELD   1

Definition at line 37 of file mpegutils.h.

Referenced by copy_frame(), ff_h264_decode_slice_header(), ff_h264_init_poc(), ff_mpv_frame_start(), fill_picture_parameters(), fill_vaapi_pic(), h264_field_start(), h264_fill_mbaff_ref_list(), h264_slice_header_parse(), mpeg_decode_mb(), parse_nal_units(), vc1_decode_frame(), vdpau_h264_set_reference_frames(), and vdpau_h264_set_rf().

#define PICT_BOTTOM_FIELD   2

Definition at line 38 of file mpegutils.h.

Referenced by copy_frame(), decode_chunks(), decode_finish_row(), decode_nal_units(), ff_h264_decode_slice_header(), ff_h264_direct_dist_scale_factor(), ff_h264_field_end(), ff_h264_init_poc(), ff_init_block_index(), ff_mpv_frame_start(), fill_picture_parameters(), fill_slice_long(), frame_start(), h264_field_start(), h264_fill_mbaff_ref_list(), h264_initialise_ref_list(), mpeg_field_start(), parse_nal_units(), pic_as_field(), slice_decode_thread(), vc1_decode_frame(), vdpau_h264_set_reference_frames(), vdpau_h264_set_rf(), and vdpau_h264_start_frame().

#define PICT_FRAME   3

Definition at line 39 of file mpegutils.h.

Referenced by commit_bitstream_and_slice_buffer(), copy_frame(), decode_chunks(), decode_slice(), ff_draw_horiz_band(), ff_h264_decode_slice_header(), ff_h264_direct_ref_list_init(), ff_h264_draw_horiz_band(), ff_h264_execute_ref_pic_marking(), ff_h264_init_poc(), ff_h264_parse_ref_count(), ff_init_block_index(), ff_intrax8_decode_picture(), ff_mpeg1_encode_picture_header(), ff_mpv_common_defaults(), ff_mpv_frame_start(), ff_xvmc_decode_mb(), fill_colmap(), fill_picture_parameters(), fill_slice(), fill_vaapi_pic(), filter_mb_dir(), frame_start(), h264_field_start(), h264_frame_start(), h264_init_context(), h264_slice_header_parse(), implicit_weight_table(), lowest_referenced_row(), mpeg1_decode_sequence(), mpeg2_get_is_frame_start(), mpeg_decode_mb(), mpeg_decode_picture_display_extension(), mpeg_decode_slice(), mpeg_field_start(), mpv_motion_internal(), MPV_motion_lowres(), parse_nal_units(), pic_num_extract(), slice_decode_thread(), split_field_copy(), svq1_encode_init(), svq3_decode_frame(), vaapi_h264_start_frame(), vaapi_mpeg2_decode_slice(), vc1_decode_frame(), vcr2_init_sequence(), and vdpau_h264_start_frame().

#define DELAYED_PIC_REF   4

Value of Picture.reference when Picture is not a reference picture, but is held for delayed output.

Definition at line 45 of file mpegutils.h.

#define MAX_MB_BYTES   (30 * 16 * 16 * 3 / 8 + 120)

Definition at line 47 of file mpegutils.h.

Referenced by encode_thread(), ff_mpv_encode_picture(), svq1_encode_frame(), and xvid_encode_frame().

#define MAX_FCODE   7

Definition at line 48 of file mpegutils.h.

Referenced by ff_mpeg1_encode_init(), and init_mv_penalty_and_fcode().

#define MB_TYPE_INTRA   MB_TYPE_INTRA4x4

Definition at line 75 of file mpegutils.h.

Referenced by ff_h263_decode_mb(), ff_h263_update_motion_val(), ff_vc1_pred_b_mv_intfi(), h261_decode_mb(), mpeg4_decode_mb(), mpeg4_decode_partition_a(), mpeg_decode_mb(), msmpeg4v12_decode_mb(), msmpeg4v34_decode_mb(), preview_obmc(), rv34_decode_intra_mb_header(), vc1_decode_b_mb_intfi(), vc1_decode_b_mb_intfr(), vc1_decode_i_blocks(), vc1_decode_i_blocks_adv(), vc1_decode_p_mb(), vc1_decode_p_mb_intfi(), and vc1_decode_p_mb_intfr().

#define IS_INTRA4x4 (   a)    ((a) & MB_TYPE_INTRA4x4)

Definition at line 77 of file mpegutils.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), fill_decode_caches(), h261_decode_mb(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), and svq3_decode_mb().

#define IS_INTRA16x16 (   a)    ((a) & MB_TYPE_INTRA16x16)

Definition at line 78 of file mpegutils.h.

Referenced by decode_cabac_luma_residual(), decode_luma_residual(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), hl_decode_mb_idct_luma(), rv34_decode_inter_mb_header(), and svq3_decode_mb().

#define IS_PCM (   a)    ((a) & MB_TYPE_INTRA_PCM)

Definition at line 79 of file mpegutils.h.

Referenced by ff_print_debug_info2().

#define IS_INTRA (   a)    ((a) & 7)

Definition at line 80 of file mpegutils.h.

#define IS_INTER (   a)
Value:
((a) & (MB_TYPE_16x16 | MB_TYPE_16x8 | \
MB_TYPE_8x16 | MB_TYPE_8x8))
MB_TYPE_8x16
#define MB_TYPE_8x16
Definition: avcodec.h:1258
MB_TYPE_16x16
#define MB_TYPE_16x16
Definition: avcodec.h:1256
MB_TYPE_8x8
#define MB_TYPE_8x8
Definition: avcodec.h:1259
MB_TYPE_16x8
#define MB_TYPE_16x8
Definition: avcodec.h:1257
a
a
Definition: h264pred_template.c:468

Definition at line 81 of file mpegutils.h.

Referenced by ff_er_frame_end(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), fill_decode_caches(), fill_filter_caches_inter(), guess_dc(), hl_motion(), and svq3_decode_mb().

#define IS_SKIP (   a)    ((a) & MB_TYPE_SKIP)

Definition at line 83 of file mpegutils.h.

Referenced by decode_cabac_mb_skip(), ff_h263_loop_filter(), ff_print_debug_info2(), ff_wmv2_decode_mb(), fill_decode_caches(), mpeg4_decode_mb(), mpeg4_decode_partition_b(), mpeg4_decode_partitioned_mb(), rv34_decode_mv(), svq3_decode_mb(), and write_back_motion_list().

#define IS_INTRA_PCM (   a)    ((a) & MB_TYPE_INTRA_PCM)

Definition at line 84 of file mpegutils.h.

Referenced by ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_hl_decode_mb(), hl_decode_mb(), and hl_decode_mb_444().

#define IS_INTERLACED (   a)    ((a) & MB_TYPE_INTERLACED)

Definition at line 85 of file mpegutils.h.

Referenced by decode_cabac_mb_skip(), fetch_diagonal_mv(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_h264_filter_mb(), ff_mpeg4_set_direct_mv(), ff_print_debug_info2(), fill_decode_caches(), fill_decode_neighbors(), fill_filter_caches(), fill_filter_caches_inter(), filter_mb_dir(), loop_filter(), pred_spatial_direct_motion(), pred_temp_direct_motion(), and predict_field_decoding_flag().

#define IS_DIRECT (   a)    ((a) & MB_TYPE_DIRECT2)

Definition at line 86 of file mpegutils.h.

Referenced by ff_h263_decode_mb(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), fill_decode_caches(), fill_filter_caches_inter(), mpeg4_decode_mb(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_GMC (   a)    ((a) & MB_TYPE_GMC)

Definition at line 87 of file mpegutils.h.

Referenced by ff_print_debug_info2().

#define IS_16X16 (   a)    ((a) & MB_TYPE_16x16)

Definition at line 88 of file mpegutils.h.

Referenced by await_references(), ff_h261_encode_mb(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), h261_decode_mb(), hl_decode_mb(), hl_decode_mb_444(), hl_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_16X8 (   a)    ((a) & MB_TYPE_16x8)

Definition at line 89 of file mpegutils.h.

Referenced by add_mb(), await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), hl_motion(), and rv34_decode_mv().

#define IS_8X16 (   a)    ((a) & MB_TYPE_8x16)

Definition at line 90 of file mpegutils.h.

Referenced by add_mb(), await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), ff_print_debug_info2(), hl_motion(), and rv34_decode_mv().

#define IS_8X8 (   a)    ((a) & MB_TYPE_8x8)

Definition at line 91 of file mpegutils.h.

Referenced by add_mb(), await_references(), direct_search(), ff_er_frame_end(), ff_mpeg4_set_direct_mv(), ff_print_debug_info2(), fill_decode_caches(), hl_motion(), mpeg4_decode_partitioned_mb(), pred_spatial_direct_motion(), pred_temp_direct_motion(), rv34_decode_mv(), and write_back_motion().

#define IS_SUB_8X8 (   a)    ((a) & MB_TYPE_16x16)

Definition at line 92 of file mpegutils.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), hl_motion(), pred_spatial_direct_motion(), and pred_temp_direct_motion().

#define IS_SUB_8X4 (   a)    ((a) & MB_TYPE_16x8)

Definition at line 93 of file mpegutils.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_SUB_4X8 (   a)    ((a) & MB_TYPE_8x16)

Definition at line 94 of file mpegutils.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define IS_SUB_4X4 (   a)    ((a) & MB_TYPE_8x8)

Definition at line 95 of file mpegutils.h.

Referenced by await_references(), and hl_motion().

#define IS_ACPRED (   a)    ((a) & MB_TYPE_ACPRED)

Definition at line 96 of file mpegutils.h.

Referenced by ff_print_debug_info2(), and mpeg4_decode_partitioned_mb().

#define IS_QUANT (   a)    ((a) & MB_TYPE_QUANT)

Definition at line 97 of file mpegutils.h.

Referenced by ff_h261_encode_mb(), ff_h263_decode_mb(), h261_decode_mb(), and mpeg_decode_mb().

#define IS_DIR (   a,
  part,
  list 
)    ((a) & (MB_TYPE_P0L0 << ((part) + 2 * (list))))

Definition at line 98 of file mpegutils.h.

Referenced by await_references(), ff_h264_decode_mb_cabac(), ff_h264_decode_mb_cavlc(), and hl_motion().

#define USES_LIST (   a,
  list 
)    ((a) & ((MB_TYPE_P0L0 | MB_TYPE_P1L0) << (2 * (list))))

Definition at line 101 of file mpegutils.h.

Referenced by ff_h263_decode_mb(), ff_print_debug_info2(), fill_decode_caches(), fill_filter_caches_inter(), hl_decode_mb(), hl_decode_mb_444(), hl_motion(), mpeg4_decode_mb(), mpeg_decode_mb(), pred_pskip_motion(), and write_back_motion().

#define HAS_CBP (   a)    ((a) & MB_TYPE_CBP)

Definition at line 103 of file mpegutils.h.

Referenced by ff_h261_encode_mb(), ff_h263_decode_mb(), h261_decode_mb(), and mpeg_decode_mb().

#define CANDIDATE_MB_TYPE_INTRA   (1 << 0)

Definition at line 106 of file mpegutils.h.

Referenced by adaptive_quantization(), encode_picture(), encode_thread(), ff_estimate_p_frame_motion(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), and svq1_encode_plane().

#define CANDIDATE_MB_TYPE_INTER   (1 << 1)

Definition at line 107 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), ff_clean_h263_qscales(), ff_estimate_p_frame_motion(), and svq1_encode_plane().

#define CANDIDATE_MB_TYPE_INTER4V   (1 << 2)

Definition at line 108 of file mpegutils.h.

Referenced by encode_thread(), ff_clean_h263_qscales(), ff_estimate_p_frame_motion(), and ff_fix_long_p_mvs().

#define CANDIDATE_MB_TYPE_SKIPPED   (1 << 3)

Definition at line 109 of file mpegutils.h.

Referenced by encode_thread(), and ff_estimate_p_frame_motion().

#define CANDIDATE_MB_TYPE_DIRECT   (1 << 4)

Definition at line 111 of file mpegutils.h.

Referenced by encode_thread(), ff_clean_mpeg4_qscales(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_FORWARD   (1 << 5)

Definition at line 112 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BACKWARD   (1 << 6)

Definition at line 113 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BIDIR   (1 << 7)

Definition at line 114 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), ff_clean_mpeg4_qscales(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_INTER_I   (1 << 8)

Definition at line 116 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), and ff_estimate_p_frame_motion().

#define CANDIDATE_MB_TYPE_FORWARD_I   (1 << 9)

Definition at line 117 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BACKWARD_I   (1 << 10)

Definition at line 118 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_BIDIR_I   (1 << 11)

Definition at line 119 of file mpegutils.h.

Referenced by encode_picture(), encode_thread(), and ff_estimate_b_frame_motion().

#define CANDIDATE_MB_TYPE_DIRECT0   (1 << 12)

Definition at line 121 of file mpegutils.h.

Referenced by encode_thread(), and ff_estimate_b_frame_motion().

#define INPLACE_OFFSET   16

Definition at line 123 of file mpegutils.h.

Referenced by estimate_best_b_count(), ff_mpeg4_encode_mb(), load_input_picture(), and select_input_picture().

Enumeration Type Documentation

enum OutputFormat
Enumerator
FMT_MPEG1 
FMT_H261 
FMT_H263 
FMT_MJPEG 

Definition at line 125 of file mpegutils.h.

Function Documentation

void ff_draw_horiz_band ( AVCodecContext *  avctx,
AVFrame *  cur,
AVFrame *  last,
int  y,
int  h,
int  picture_structure,
int  first_field,
int  low_delay 
)

Draw a horizontal band if supported.

Parameters
his the normal height, this will be reduced automatically if needed

Definition at line 30 of file mpegutils.c.

Referenced by ff_intrax8_decode_picture(), ff_mpeg_draw_horiz_band(), and svq3_decode_frame().

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