Libav
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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 "idctdsp.h"
#include "internal.h"
#include "mathops.h"
#include "mpeg_er.h"
#include "mpegutils.h"
#include "mpegvideo.h"
#include "mpegvideodata.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "qpeldsp.h"
#include "xvmc_internal.h"
#include "thread.h"
#include "wmv2.h"
#include <limits.h>
Go to the source code of this file.
Macros | |
#define | COPY(a) bak->a = src->a |
#define | UPDATE_PICTURE(pic) |
#define | REBASE_PICTURE(pic, new_ctx, old_ctx) |
The simplest mpeg encoder (well, it was the simplest!).
Definition in file mpegvideo.c.
Referenced by backup_duplicate_context().
#define UPDATE_PICTURE | ( | pic | ) |
Referenced by ff_mpeg_update_thread_context().
#define REBASE_PICTURE | ( | pic, | |
new_ctx, | |||
old_ctx | |||
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Referenced by ff_mpeg_update_thread_context().
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Definition at line 52 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 84 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 113 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 143 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 176 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 207 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 244 of file mpegvideo.c.
Referenced by dct_init().
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Definition at line 271 of file mpegvideo.c.
Referenced by ff_mpv_common_init().
av_cold void ff_mpv_idct_init | ( | MpegEncContext * | s | ) |
Definition at line 300 of file mpegvideo.c.
Referenced by dnxhd_encode_init(), 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(), mpeg_decode_init(), mpeg_decode_postinit(), rv10_decode_init(), and vcr2_init_sequence().
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Definition at line 318 of file mpegvideo.c.
Referenced by ff_mpv_frame_start().
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Definition at line 326 of file mpegvideo.c.
Referenced by ff_mpv_common_frame_size_change(), and ff_mpv_common_init().
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Definition at line 378 of file mpegvideo.c.
Referenced by ff_mpv_common_end(), and ff_mpv_common_frame_size_change().
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Definition at line 398 of file mpegvideo.c.
Referenced by ff_update_duplicate_context().
int ff_update_duplicate_context | ( | MpegEncContext * | dst, |
MpegEncContext * | src | ||
) |
Definition at line 425 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 456 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 592 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 615 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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Initialize and allocates MpegEncContext fields dependent on the resolution.
Definition at line 623 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 763 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(), mpeg_decode_postinit(), 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 878 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 926 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 998 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().
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 1052 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 1263 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().
void ff_print_debug_info | ( | MpegEncContext * | s, |
Picture * | p | ||
) |
Print debugging info for the given picture.
Definition at line 1284 of file mpegvideo.c.
Referenced by ff_h263_decode_frame(), finish_frame(), h261_decode_frame(), rv10_decode_frame(), slice_end(), and vc1_decode_frame().
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find the lowest MB row referenced in the MVs
Definition at line 1384 of file mpegvideo.c.
Referenced by mpv_decode_mb_internal().
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Definition at line 1420 of file mpegvideo.c.
Referenced by mpv_decode_mb_internal().
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Definition at line 1428 of file mpegvideo.c.
Referenced by mpv_decode_mb_internal().
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Definition at line 1436 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 1449 of file mpegvideo.c.
Referenced by encode_thread(), mpeg4_decode_partition_a(), and mpv_decode_mb_internal().
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Definition at line 1490 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 1727 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 1737 of file mpegvideo.c.
Referenced by decode_slice(), dxva2_mpeg2_end_frame(), dxva2_vc1_end_frame(), ff_vaapi_common_end_frame(), ff_vdpau_common_end_frame(), 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 1744 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(), rv34_decode_slice(), and svq1_encode_plane().
void ff_mpeg_flush | ( | AVCodecContext * | avctx | ) |
Definition at line 1776 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 1806 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 1820 of file mpegvideo.c.
Referenced by decode_slice(), and mpeg_decode_slice().