mirror of
https://github.com/hrydgard/ppsspp.git
synced 2026-11-01 20:18:15 +01:00
Henrik RydgårdandClaude Opus 5.5
d0e3141f43
The ffmpeg submodule held prebuilt libraries for every platform next to the sources (about 1.5 GB checked out), and nothing uses those any more. Only the needed sources are copied in, from the submodule's commit, along with every header and template they include. The path is new, so checking out commits on either side of this works. It's also cut down to what PPSSPP uses: the H.264, AAC, MP3, ATRAC3 and ATRAC3+ decoders, the H.264 parser, the demuxers as before, and the FFV1 encoder, AVI muxer and file protocol for AVI dumping. config.h takes its CONFIG_ values from FFmpeg 3.0.2's own configure run with just those enabled. The raw H.264 demuxer stays even though nothing opens raw H.264: probing PSMF data uses it to identify the video stream's codec, which otherwise comes out as none. On top of that: - The files nothing links (configure would build them, but they're never pulled out of the static library, going by the GCC link map) are left out: mostly libavutil's crypto and hashing and the alternative DCT/IDCT/FFT versions. - libswresample isn't built, now that nothing uses it. - The H.264 decoder only does 8-bit video, which is all the PSP has. The SPS parser rejects any other bit depth, and the DSP files no longer build their 9- to 16-bit variants, which the linker kept because the init functions pick one by bit depth at run time. That's 160 files to compile instead of 277, and 391 of FFmpeg's vendored, about 5.8 MB. The README in ext/ffmpeg has what was done, the PPSSPP patches in the copy, how to add a component, and the tradeoffs. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/*
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_ERROR_RESILIENCE_H
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#define AVCODEC_ERROR_RESILIENCE_H
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#include <stdint.h>
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#include "avcodec.h"
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#include "me_cmp.h"
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#include "thread.h"
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///< current MB is the first after a resync marker
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#define VP_START 1
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#define ER_AC_ERROR 2
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#define ER_DC_ERROR 4
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#define ER_MV_ERROR 8
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#define ER_AC_END 16
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#define ER_DC_END 32
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#define ER_MV_END 64
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#define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR)
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#define ER_MB_END (ER_AC_END|ER_DC_END|ER_MV_END)
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typedef struct ERPicture {
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AVFrame *f;
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ThreadFrame *tf;
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// it's the caller's responsibility to allocate these buffers
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int16_t (*motion_val[2])[2];
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int8_t *ref_index[2];
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uint32_t *mb_type;
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int field_picture;
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} ERPicture;
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typedef struct ERContext {
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AVCodecContext *avctx;
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MECmpContext mecc;
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int mecc_inited;
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int *mb_index2xy;
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int mb_num;
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int mb_width, mb_height;
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int mb_stride;
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int b8_stride;
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volatile int error_count;
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int error_occurred;
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uint8_t *error_status_table;
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uint8_t *er_temp_buffer;
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int16_t *dc_val[3];
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uint8_t *mbskip_table;
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uint8_t *mbintra_table;
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int mv[2][4][2];
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ERPicture cur_pic;
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ERPicture last_pic;
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ERPicture next_pic;
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AVBufferRef *ref_index_buf[2];
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AVBufferRef *motion_val_buf[2];
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uint16_t pp_time;
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uint16_t pb_time;
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int quarter_sample;
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int partitioned_frame;
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int ref_count;
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void (*decode_mb)(void *opaque, int ref, int mv_dir, int mv_type,
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int (*mv)[2][4][2],
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int mb_x, int mb_y, int mb_intra, int mb_skipped);
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void *opaque;
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} ERContext;
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void ff_er_frame_start(ERContext *s);
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void ff_er_frame_end(ERContext *s);
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void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy,
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int status);
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#endif /* AVCODEC_ERROR_RESILIENCE_H */
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