ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-19 12:56:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

lavc/ffv1dec: move slice_damaged to per-slice context

Browse Source
This commit is contained in:
Anton Khirnov 2024-07-10 17:38:24 +02:00
parent f2aeba56c4
commit 2b21cdff6e
2 changed files with 9 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/ffv1.h
View File

@ -91,6 +91,7 @@ typedef struct FFV1SliceContext {
// decoder-only
struct {
int slice_reset_contexts;
int slice_damaged;
};
// encoder-only
@ -131,7 +132,6 @@ typedef struct FFV1Context {
int ec;
int intra;
int slice_damaged;
int key_frame_ok;
int context_model;

18
libavcodec/ffv1dec.c
View File

@ -269,11 +269,10 @@ static int decode_slice(AVCodecContext *c, void *arg)
ff_progress_frame_await(&f->last_picture, si);
if(f->fsrc && !(p->flags & AV_FRAME_FLAG_KEY)) {
FFV1Context *fssrc = f->fsrc->slice_context[si];
const FFV1SliceContext *scsrc = &f->fsrc->slices[si];
if (!(p->flags & AV_FRAME_FLAG_KEY))
fs->slice_damaged |= fssrc->slice_damaged;
sc->slice_damaged |= scsrc->slice_damaged;
for (int i = 0; i < f->plane_count; i++) {
const PlaneContext *psrc = &scsrc->plane[i];
@ -303,7 +302,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
return AVERROR(ENOMEM);
if (decode_slice_header(f, fs, sc, p) < 0) {
sc->slice_x = sc->slice_y = sc->slice_height = sc->slice_width = 0;
fs->slice_damaged = 1;
sc->slice_damaged = 1;
return AVERROR_INVALIDDATA;
}
}
@ -311,7 +310,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
return ret;
if ((p->flags & AV_FRAME_FLAG_KEY) || sc->slice_reset_contexts) {
ff_ffv1_clear_slice_state(f, sc);
} else if (fs->slice_damaged) {
} else if (sc->slice_damaged) {
return AVERROR_INVALIDDATA;
}
@ -365,7 +364,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
v = sc->c.bytestream_end - sc->c.bytestream - 2 - 5*f->ec;
if (v) {
av_log(f->avctx, AV_LOG_ERROR, "bytestream end mismatching by %d\n", v);
fs->slice_damaged = 1;
sc->slice_damaged = 1;
}
}
@ -794,7 +793,7 @@ static int read_header(FFV1Context *f)
FFV1SliceContext *sc = &f->slices[j];
fs->packed_at_lsb = f->packed_at_lsb;
fs->slice_damaged = 0;
sc->slice_damaged = 0;
if (f->version == 2) {
int sx = get_symbol(c, state, 0);
@ -966,7 +965,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *rframe,
} else {
av_log(f->avctx, AV_LOG_ERROR, "\n");
}
fs->slice_damaged = 1;
sc->slice_damaged = 1;
}
if (avctx->debug & FF_DEBUG_PICT_INFO) {
av_log(avctx, AV_LOG_DEBUG, "slice %d, CRC: 0x%08"PRIX32"\n", i, AV_RB32(buf_p + v - 4));
@ -990,9 +989,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *rframe,
sizeof(void*));
for (int i = f->slice_count - 1; i >= 0; i--) {
FFV1Context *fs = f->slice_context[i];
FFV1SliceContext *sc = &f->slices[i];
if (fs->slice_damaged && f->last_picture.f) {
if (sc->slice_damaged && f->last_picture.f) {
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
const uint8_t *src[4];
uint8_t *dst[4];
@ -1045,7 +1043,6 @@ static void copy_fields(FFV1Context *fsdst, const FFV1Context *fssrc,
fsdst->ec = fsrc->ec;
fsdst->intra = fsrc->intra;
fsdst->slice_damaged = fssrc->slice_damaged;
fsdst->key_frame_ok = fsrc->key_frame_ok;
fsdst->packed_at_lsb = fsrc->packed_at_lsb;
@ -1078,6 +1075,7 @@ static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
const FFV1SliceContext *sc0 = &fsrc->slices[i];
copy_fields(fsdst, fssrc, fsrc);
sc->slice_damaged = sc0->slice_damaged;
if (fsrc->version < 3) {
sc->slice_x = sc0->slice_x;