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Diffstat (limited to 'ffmpeg/libavcodec/ffv1dec.c')
-rw-r--r--ffmpeg/libavcodec/ffv1dec.c342
1 files changed, 285 insertions, 57 deletions
diff --git a/ffmpeg/libavcodec/ffv1dec.c b/ffmpeg/libavcodec/ffv1dec.c
index 21afa1d..d7dd110 100644
--- a/ffmpeg/libavcodec/ffv1dec.c
+++ b/ffmpeg/libavcodec/ffv1dec.c
@@ -1,7 +1,7 @@
/*
* FFV1 decoder
*
- * Copyright (c) 2003-2012 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2003-2013 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
@@ -34,7 +34,6 @@
#include "avcodec.h"
#include "internal.h"
#include "get_bits.h"
-#include "put_bits.h"
#include "rangecoder.h"
#include "golomb.h"
#include "mathops.h"
@@ -106,6 +105,19 @@ static av_always_inline void decode_line(FFV1Context *s, int w,
int run_mode = 0;
int run_index = s->run_index;
+ if (s->slice_coding_mode == 1) {
+ int i;
+ for (x = 0; x < w; x++) {
+ int v = 0;
+ for (i=0; i<bits; i++) {
+ uint8_t state = 128;
+ v += v + get_rac(c, &state);
+ }
+ sample[1][x] = v;
+ }
+ return;
+ }
+
for (x = 0; x < w; x++) {
int diff, context, sign;
@@ -234,10 +246,10 @@ static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int
sample[p][1][-1]= sample[p][0][0 ];
sample[p][0][ w]= sample[p][0][w-1];
- if (lbd)
+ if (lbd && s->slice_coding_mode == 0)
decode_line(s, w, sample[p], (p + 1)/2, 9);
else
- decode_line(s, w, sample[p], (p + 1)/2, bits + 1);
+ decode_line(s, w, sample[p], (p + 1)/2, bits + (s->slice_coding_mode != 1));
}
for (x = 0; x < w; x++) {
int g = sample[0][1][x];
@@ -245,11 +257,13 @@ static void decode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, int
int r = sample[2][1][x];
int a = sample[3][1][x];
- b -= offset;
- r -= offset;
- g -= (b + r) >> 2;
- b += g;
- r += g;
+ if (s->slice_coding_mode != 1) {
+ b -= offset;
+ r -= offset;
+ g -= (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2;
+ b += g;
+ r += g;
+ }
if (lbd)
*((uint32_t*)(src[0] + x*4 + stride[0]*y)) = b + (g<<8) + (r<<16) + (a<<24);
@@ -316,7 +330,18 @@ static int decode_slice_header(FFV1Context *f, FFV1Context *fs)
}
f->cur->sample_aspect_ratio.num = get_symbol(c, state, 0);
f->cur->sample_aspect_ratio.den = get_symbol(c, state, 0);
-
+ if (fs->version > 3) {
+ fs->slice_reset_contexts = get_rac(c, state);
+ fs->slice_coding_mode = get_symbol(c, state, 0);
+ if (fs->slice_coding_mode != 1) {
+ fs->slice_rct_by_coef = get_symbol(c, state, 0);
+ fs->slice_rct_ry_coef = get_symbol(c, state, 0);
+ if ((uint64_t)fs->slice_rct_by_coef + (uint64_t)fs->slice_rct_ry_coef > 4) {
+ av_log(f->avctx, AV_LOG_ERROR, "slice_rct_y_coef out of range\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
+ }
return 0;
}
@@ -327,6 +352,45 @@ static int decode_slice(AVCodecContext *c, void *arg)
int width, height, x, y, ret;
const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step_minus1 + 1;
AVFrame * const p = f->cur;
+ int i, si;
+
+ for( si=0; fs != f->slice_context[si]; si ++)
+ ;
+
+ if(f->fsrc && !p->key_frame)
+ ff_thread_await_progress(&f->last_picture, si, 0);
+
+ if(f->fsrc && !p->key_frame) {
+ FFV1Context *fssrc = f->fsrc->slice_context[si];
+ FFV1Context *fsdst = f->slice_context[si];
+ av_assert1(fsdst->plane_count == fssrc->plane_count);
+ av_assert1(fsdst == fs);
+
+ if (!p->key_frame)
+ fsdst->slice_damaged |= fssrc->slice_damaged;
+
+ for (i = 0; i < f->plane_count; i++) {
+ PlaneContext *psrc = &fssrc->plane[i];
+ PlaneContext *pdst = &fsdst->plane[i];
+
+ av_free(pdst->state);
+ av_free(pdst->vlc_state);
+ memcpy(pdst, psrc, sizeof(*pdst));
+ pdst->state = NULL;
+ pdst->vlc_state = NULL;
+
+ if (fssrc->ac) {
+ pdst->state = av_malloc(CONTEXT_SIZE * psrc->context_count);
+ memcpy(pdst->state, psrc->state, CONTEXT_SIZE * psrc->context_count);
+ } else {
+ pdst->vlc_state = av_malloc(sizeof(*pdst->vlc_state) * psrc->context_count);
+ memcpy(pdst->vlc_state, psrc->vlc_state, sizeof(*pdst->vlc_state) * psrc->context_count);
+ }
+ }
+ }
+
+ fs->slice_rct_by_coef = 1;
+ fs->slice_rct_ry_coef = 1;
if (f->version > 2) {
if (ffv1_init_slice_state(f, fs) < 0)
@@ -338,7 +402,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
}
if ((ret = ffv1_init_slice_state(f, fs)) < 0)
return ret;
- if (f->cur->key_frame)
+ if (f->cur->key_frame || fs->slice_reset_contexts)
ffv1_clear_slice_state(f, fs);
width = fs->slice_width;
@@ -347,7 +411,7 @@ static int decode_slice(AVCodecContext *c, void *arg)
y = fs->slice_y;
if (!fs->ac) {
- if (f->version == 3 && f->minor_version > 1 || f->version > 3)
+ if (f->version == 3 && f->micro_version > 1 || f->version > 3)
get_rac(&fs->c, (uint8_t[]) { 129 });
fs->ac_byte_count = f->version > 2 || (!x && !y) ? fs->c.bytestream - fs->c.bytestream_start - 1 : 0;
init_get_bits(&fs->gb,
@@ -357,8 +421,8 @@ static int decode_slice(AVCodecContext *c, void *arg)
av_assert1(width && height);
if (f->colorspace == 0) {
- const int chroma_width = -((-width) >> f->chroma_h_shift);
- const int chroma_height = -((-height) >> f->chroma_v_shift);
+ const int chroma_width = FF_CEIL_RSHIFT(width, f->chroma_h_shift);
+ const int chroma_height = FF_CEIL_RSHIFT(height, f->chroma_v_shift);
const int cx = x >> f->chroma_h_shift;
const int cy = y >> f->chroma_v_shift;
decode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0);
@@ -387,6 +451,8 @@ static int decode_slice(AVCodecContext *c, void *arg)
emms_c();
+ ff_thread_report_progress(&f->picture, si, 0);
+
return 0;
}
@@ -446,9 +512,13 @@ static int read_extra_header(FFV1Context *f)
ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
f->version = get_symbol(c, state, 0);
+ if (f->version < 2) {
+ av_log(f->avctx, AV_LOG_ERROR, "Invalid version in global header\n");
+ return AVERROR_INVALIDDATA;
+ }
if (f->version > 2) {
c->bytestream_end -= 4;
- f->minor_version = get_symbol(c, state, 0);
+ f->micro_version = get_symbol(c, state, 0);
}
f->ac = f->avctx->coder_type = get_symbol(c, state, 0);
if (f->ac > 1) {
@@ -462,7 +532,7 @@ static int read_extra_header(FFV1Context *f)
f->chroma_h_shift = get_symbol(c, state, 0);
f->chroma_v_shift = get_symbol(c, state, 0);
f->transparency = get_rac(c, state);
- f->plane_count = 2 + f->transparency;
+ f->plane_count = 1 + (f->chroma_planes || f->version<4) + f->transparency;
f->num_h_slices = 1 + get_symbol(c, state, 0);
f->num_v_slices = 1 + get_symbol(c, state, 0);
@@ -499,6 +569,8 @@ static int read_extra_header(FFV1Context *f)
if (f->version > 2) {
f->ec = get_symbol(c, state, 0);
+ if (f->micro_version > 2)
+ f->intra = get_symbol(c, state, 0);
}
if (f->version > 2) {
@@ -511,6 +583,20 @@ static int read_extra_header(FFV1Context *f)
}
}
+ if (f->avctx->debug & FF_DEBUG_PICT_INFO)
+ av_log(f->avctx, AV_LOG_DEBUG,
+ "global: ver:%d.%d, coder:%d, colorspace: %d bpr:%d chroma:%d(%d:%d), alpha:%d slices:%dx%d qtabs:%d ec:%d intra:%d\n",
+ f->version, f->micro_version,
+ f->ac,
+ f->colorspace,
+ f->avctx->bits_per_raw_sample,
+ f->chroma_planes, f->chroma_h_shift, f->chroma_v_shift,
+ f->transparency,
+ f->num_h_slices, f->num_v_slices,
+ f->quant_table_count,
+ f->ec,
+ f->intra
+ );
return 0;
}
@@ -523,6 +609,7 @@ static int read_header(FFV1Context *f)
memset(state, 128, sizeof(state));
if (f->version < 2) {
+ int chroma_planes, chroma_h_shift, chroma_v_shift, transparency, colorspace, bits_per_raw_sample;
unsigned v= get_symbol(c, state, 0);
if (v >= 2) {
av_log(f->avctx, AV_LOG_ERROR, "invalid version %d in ver01 header\n", v);
@@ -535,19 +622,37 @@ static int read_header(FFV1Context *f)
f->state_transition[i] = get_symbol(c, state, 1) + c->one_state[i];
}
- f->colorspace = get_symbol(c, state, 0); //YUV cs type
+ colorspace = get_symbol(c, state, 0); //YUV cs type
+ bits_per_raw_sample = f->version > 0 ? get_symbol(c, state, 0) : f->avctx->bits_per_raw_sample;
+ chroma_planes = get_rac(c, state);
+ chroma_h_shift = get_symbol(c, state, 0);
+ chroma_v_shift = get_symbol(c, state, 0);
+ transparency = get_rac(c, state);
+
+ if (f->plane_count) {
+ if ( colorspace != f->colorspace
+ || bits_per_raw_sample != f->avctx->bits_per_raw_sample
+ || chroma_planes != f->chroma_planes
+ || chroma_h_shift!= f->chroma_h_shift
+ || chroma_v_shift!= f->chroma_v_shift
+ || transparency != f->transparency) {
+ av_log(f->avctx, AV_LOG_ERROR, "Invalid change of global parameters\n");
+ return AVERROR_INVALIDDATA;
+ }
+ }
- if (f->version > 0)
- f->avctx->bits_per_raw_sample = get_symbol(c, state, 0);
+ f->colorspace = colorspace;
+ f->avctx->bits_per_raw_sample = bits_per_raw_sample;
+ f->chroma_planes = chroma_planes;
+ f->chroma_h_shift = chroma_h_shift;
+ f->chroma_v_shift = chroma_v_shift;
+ f->transparency = transparency;
- f->chroma_planes = get_rac(c, state);
- f->chroma_h_shift = get_symbol(c, state, 0);
- f->chroma_v_shift = get_symbol(c, state, 0);
- f->transparency = get_rac(c, state);
f->plane_count = 2 + f->transparency;
}
if (f->colorspace == 0) {
+ if (f->avctx->skip_alpha) f->transparency = 0;
if (!f->transparency && !f->chroma_planes) {
if (f->avctx->bits_per_raw_sample <= 8)
f->avctx->pix_fmt = AV_PIX_FMT_GRAY8;
@@ -561,47 +666,52 @@ static int read_header(FFV1Context *f)
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P; break;
case 0x20: f->avctx->pix_fmt = AV_PIX_FMT_YUV411P; break;
case 0x22: f->avctx->pix_fmt = AV_PIX_FMT_YUV410P; break;
- default:
- av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
- return AVERROR(ENOSYS);
}
} else if (f->avctx->bits_per_raw_sample <= 8 && f->transparency) {
switch(16*f->chroma_h_shift + f->chroma_v_shift) {
case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P; break;
case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P; break;
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P; break;
- default:
- av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
- return AVERROR(ENOSYS);
}
- } else if (f->avctx->bits_per_raw_sample == 9) {
+ } else if (f->avctx->bits_per_raw_sample == 9 && !f->transparency) {
f->packed_at_lsb = 1;
switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P9; break;
case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P9; break;
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P9; break;
- default:
- av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
- return AVERROR(ENOSYS);
}
- } else if (f->avctx->bits_per_raw_sample == 10) {
+ } else if (f->avctx->bits_per_raw_sample == 9 && f->transparency) {
+ f->packed_at_lsb = 1;
+ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
+ case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P9; break;
+ case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P9; break;
+ case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P9; break;
+ }
+ } else if (f->avctx->bits_per_raw_sample == 10 && !f->transparency) {
f->packed_at_lsb = 1;
switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P10; break;
case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P10; break;
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P10; break;
- default:
- av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
- return AVERROR(ENOSYS);
}
- } else {
+ } else if (f->avctx->bits_per_raw_sample == 10 && f->transparency) {
+ f->packed_at_lsb = 1;
+ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
+ case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P10; break;
+ case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P10; break;
+ case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P10; break;
+ }
+ } else if (f->avctx->bits_per_raw_sample == 16 && !f->transparency){
switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUV444P16; break;
case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUV422P16; break;
case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUV420P16; break;
- default:
- av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
- return AVERROR(ENOSYS);
+ }
+ } else if (f->avctx->bits_per_raw_sample == 16 && f->transparency){
+ switch(16 * f->chroma_h_shift + f->chroma_v_shift) {
+ case 0x00: f->avctx->pix_fmt = AV_PIX_FMT_YUVA444P16; break;
+ case 0x10: f->avctx->pix_fmt = AV_PIX_FMT_YUVA422P16; break;
+ case 0x11: f->avctx->pix_fmt = AV_PIX_FMT_YUVA420P16; break;
}
}
} else if (f->colorspace == 1) {
@@ -625,6 +735,10 @@ static int read_header(FFV1Context *f)
av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n");
return AVERROR(ENOSYS);
}
+ if (f->avctx->pix_fmt == AV_PIX_FMT_NONE) {
+ av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
+ return AVERROR(ENOSYS);
+ }
av_dlog(f->avctx, "%d %d %d\n",
f->chroma_h_shift, f->chroma_v_shift, f->avctx->pix_fmt);
@@ -723,6 +837,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
if ((ret = ffv1_init_slice_contexts(f)) < 0)
return ret;
+ avctx->internal->allocate_progress = 1;
+
return 0;
}
@@ -735,10 +851,22 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
int i, ret;
uint8_t keystate = 128;
const uint8_t *buf_p;
- AVFrame *const p = data;
+ AVFrame *p;
+
+ if (f->last_picture.f)
+ ff_thread_release_buffer(avctx, &f->last_picture);
+ FFSWAP(ThreadFrame, f->picture, f->last_picture);
- f->cur = p;
+ f->cur = p = f->picture.f;
+ if (f->version < 3 && avctx->field_order > AV_FIELD_PROGRESSIVE) {
+ /* we have interlaced material flagged in container */
+ p->interlaced_frame = 1;
+ if (avctx->field_order == AV_FIELD_TT || avctx->field_order == AV_FIELD_TB)
+ p->top_field_first = 1;
+ }
+
+ f->avctx = avctx;
ff_init_range_decoder(c, buf, buf_size);
ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
@@ -758,13 +886,15 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
p->key_frame = 0;
}
- if ((ret = ff_get_buffer(avctx, p, AV_GET_BUFFER_FLAG_REF)) < 0)
+ if ((ret = ff_thread_get_buffer(avctx, &f->picture, AV_GET_BUFFER_FLAG_REF)) < 0)
return ret;
if (avctx->debug & FF_DEBUG_PICT_INFO)
av_log(avctx, AV_LOG_DEBUG, "ver:%d keyframe:%d coder:%d ec:%d slices:%d bps:%d\n",
f->version, p->key_frame, f->ac, f->ec, f->slice_count, f->avctx->bits_per_raw_sample);
+ ff_thread_finish_setup(avctx);
+
buf_p = buf + buf_size;
for (i = f->slice_count - 1; i >= 0; i--) {
FFV1Context *fs = f->slice_context[i];
@@ -800,6 +930,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
} else
fs->c.bytestream_end = (uint8_t *)(buf_p + v);
+ fs->avctx = avctx;
fs->cur = p;
}
@@ -813,46 +944,143 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
for (i = f->slice_count - 1; i >= 0; i--) {
FFV1Context *fs = f->slice_context[i];
int j;
- if (fs->slice_damaged && f->last_picture.data[0]) {
+ if (fs->slice_damaged && f->last_picture.f->data[0]) {
const uint8_t *src[4];
uint8_t *dst[4];
+ ff_thread_await_progress(&f->last_picture, INT_MAX, 0);
for (j = 0; j < 4; j++) {
- int sh = (j==1 || j==2) ? f->chroma_h_shift : 0;
- int sv = (j==1 || j==2) ? f->chroma_v_shift : 0;
- dst[j] = p->data[j] + p->linesize[j]*
- (fs->slice_y>>sv) + (fs->slice_x>>sh);
- src[j] = f->last_picture.data[j] + f->last_picture.linesize[j]*
- (fs->slice_y>>sv) + (fs->slice_x>>sh);
+ int sh = (j == 1 || j == 2) ? f->chroma_h_shift : 0;
+ int sv = (j == 1 || j == 2) ? f->chroma_v_shift : 0;
+ dst[j] = p->data[j] + p->linesize[j] *
+ (fs->slice_y >> sv) + (fs->slice_x >> sh);
+ src[j] = f->last_picture.f->data[j] + f->last_picture.f->linesize[j] *
+ (fs->slice_y >> sv) + (fs->slice_x >> sh);
}
av_image_copy(dst, p->linesize, (const uint8_t **)src,
- f->last_picture.linesize,
+ f->last_picture.f->linesize,
avctx->pix_fmt,
fs->slice_width,
fs->slice_height);
}
}
+ ff_thread_report_progress(&f->picture, INT_MAX, 0);
f->picture_number++;
- av_frame_unref(&f->last_picture);
- if ((ret = av_frame_ref(&f->last_picture, p)) < 0)
- return ret;
+ if (f->last_picture.f)
+ ff_thread_release_buffer(avctx, &f->last_picture);
f->cur = NULL;
+ if ((ret = av_frame_ref(data, f->picture.f)) < 0)
+ return ret;
*got_frame = 1;
return buf_size;
}
+static int init_thread_copy(AVCodecContext *avctx)
+{
+ FFV1Context *f = avctx->priv_data;
+ int i, ret;
+
+ f->picture.f = NULL;
+ f->last_picture.f = NULL;
+ f->sample_buffer = NULL;
+ f->slice_count = 0;
+
+ for (i = 0; i < f->quant_table_count; i++) {
+ av_assert0(f->version > 1);
+ f->initial_states[i] = av_memdup(f->initial_states[i],
+ f->context_count[i] * sizeof(*f->initial_states[i]));
+ }
+
+ f->picture.f = av_frame_alloc();
+ f->last_picture.f = av_frame_alloc();
+
+ if ((ret = ffv1_init_slice_contexts(f)) < 0)
+ return ret;
+
+ return 0;
+}
+
+static void copy_fields(FFV1Context *fsdst, FFV1Context *fssrc, FFV1Context *fsrc)
+{
+ fsdst->version = fsrc->version;
+ fsdst->micro_version = fsrc->micro_version;
+ fsdst->chroma_planes = fsrc->chroma_planes;
+ fsdst->chroma_h_shift = fsrc->chroma_h_shift;
+ fsdst->chroma_v_shift = fsrc->chroma_v_shift;
+ fsdst->transparency = fsrc->transparency;
+ fsdst->plane_count = fsrc->plane_count;
+ fsdst->ac = fsrc->ac;
+ fsdst->colorspace = fsrc->colorspace;
+
+ fsdst->ec = fsrc->ec;
+ fsdst->intra = fsrc->intra;
+ fsdst->slice_damaged = fssrc->slice_damaged;
+ fsdst->key_frame_ok = fsrc->key_frame_ok;
+
+ fsdst->bits_per_raw_sample = fsrc->bits_per_raw_sample;
+ fsdst->packed_at_lsb = fsrc->packed_at_lsb;
+ fsdst->slice_count = fsrc->slice_count;
+ if (fsrc->version<3){
+ fsdst->slice_x = fssrc->slice_x;
+ fsdst->slice_y = fssrc->slice_y;
+ fsdst->slice_width = fssrc->slice_width;
+ fsdst->slice_height = fssrc->slice_height;
+ }
+}
+
+static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
+{
+ FFV1Context *fsrc = src->priv_data;
+ FFV1Context *fdst = dst->priv_data;
+ int i, ret;
+
+ if (dst == src)
+ return 0;
+
+ {
+ FFV1Context bak = *fdst;
+ memcpy(fdst, fsrc, sizeof(*fdst));
+ memcpy(fdst->initial_states, bak.initial_states, sizeof(fdst->initial_states));
+ memcpy(fdst->slice_context, bak.slice_context , sizeof(fdst->slice_context));
+ fdst->picture = bak.picture;
+ fdst->last_picture = bak.last_picture;
+ for (i = 0; i<fdst->num_h_slices * fdst->num_v_slices; i++) {
+ FFV1Context *fssrc = fsrc->slice_context[i];
+ FFV1Context *fsdst = fdst->slice_context[i];
+ copy_fields(fsdst, fssrc, fsrc);
+ }
+ av_assert0(!fdst->plane[0].state);
+ av_assert0(!fdst->sample_buffer);
+ }
+
+ av_assert1(fdst->slice_count == fsrc->slice_count);
+
+
+ ff_thread_release_buffer(dst, &fdst->picture);
+ if (fsrc->picture.f->data[0]) {
+ if ((ret = ff_thread_ref_frame(&fdst->picture, &fsrc->picture)) < 0)
+ return ret;
+ }
+
+ fdst->fsrc = fsrc;
+
+ return 0;
+}
+
AVCodec ff_ffv1_decoder = {
.name = "ffv1",
+ .long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_FFV1,
.priv_data_size = sizeof(FFV1Context),
.init = decode_init,
.close = ffv1_close,
.decode = decode_frame,
+ .init_thread_copy = ONLY_IF_THREADS_ENABLED(init_thread_copy),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(update_thread_context),
.capabilities = CODEC_CAP_DR1 /*| CODEC_CAP_DRAW_HORIZ_BAND*/ |
- CODEC_CAP_SLICE_THREADS,
- .long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"),
+ CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS,
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 12:50:01 +0000