# include "arm/vp8.h"
#endif
-static void vp8_decode_flush(AVCodecContext *avctx)
+static void free_buffers(VP8Context *s)
+{
+ av_freep(&s->macroblocks_base);
+ av_freep(&s->filter_strength);
+ av_freep(&s->intra4x4_pred_mode_top);
+ av_freep(&s->top_nnz);
+ av_freep(&s->edge_emu_buffer);
+ av_freep(&s->top_border);
+
+ s->macroblocks = NULL;
+}
+
+static int vp8_alloc_frame(VP8Context *s, AVFrame *f)
+{
+ int ret;
+ if ((ret = ff_thread_get_buffer(s->avctx, f)) < 0)
+ return ret;
+ if (s->num_maps_to_be_freed) {
+ assert(!s->maps_are_invalid);
+ f->ref_index[0] = s->segmentation_maps[--s->num_maps_to_be_freed];
+ } else if (!(f->ref_index[0] = av_mallocz(s->mb_width * s->mb_height))) {
+ ff_thread_release_buffer(s->avctx, f);
+ return AVERROR(ENOMEM);
+ }
+ return 0;
+}
+
+static void vp8_release_frame(VP8Context *s, AVFrame *f, int prefer_delayed_free, int can_direct_free)
+{
+ if (f->ref_index[0]) {
+ if (prefer_delayed_free) {
+ /* Upon a size change, we want to free the maps but other threads may still
+ * be using them, so queue them. Upon a seek, all threads are inactive so
+ * we want to cache one to prevent re-allocation in the next decoding
+ * iteration, but the rest we can free directly. */
+ int max_queued_maps = can_direct_free ? 1 : FF_ARRAY_ELEMS(s->segmentation_maps);
+ if (s->num_maps_to_be_freed < max_queued_maps) {
+ s->segmentation_maps[s->num_maps_to_be_freed++] = f->ref_index[0];
+ } else if (can_direct_free) /* vp8_decode_flush(), but our queue is full */ {
+ av_free(f->ref_index[0]);
+ } /* else: MEMLEAK (should never happen, but better that than crash) */
+ f->ref_index[0] = NULL;
+ } else /* vp8_decode_free() */ {
+ av_free(f->ref_index[0]);
+ }
+ }
+ ff_thread_release_buffer(s->avctx, f);
+}
+
+static void vp8_decode_flush_impl(AVCodecContext *avctx,
+ int prefer_delayed_free, int can_direct_free, int free_mem)
{
VP8Context *s = avctx->priv_data;
int i;
if (!avctx->is_copy) {
for (i = 0; i < 5; i++)
if (s->frames[i].data[0])
- ff_thread_release_buffer(avctx, &s->frames[i]);
+ vp8_release_frame(s, &s->frames[i], prefer_delayed_free, can_direct_free);
}
memset(s->framep, 0, sizeof(s->framep));
- av_freep(&s->macroblocks_base);
- av_freep(&s->filter_strength);
- av_freep(&s->intra4x4_pred_mode_top);
- av_freep(&s->top_nnz);
- av_freep(&s->edge_emu_buffer);
- av_freep(&s->top_border);
- av_freep(&s->segmentation_map);
+ if (free_mem) {
+ free_buffers(s);
+ s->maps_are_invalid = 1;
+ }
+}
- s->macroblocks = NULL;
+static void vp8_decode_flush(AVCodecContext *avctx)
+{
+ vp8_decode_flush_impl(avctx, 1, 1, 0);
}
static int update_dimensions(VP8Context *s, int width, int height)
if (av_image_check_size(width, height, 0, s->avctx))
return AVERROR_INVALIDDATA;
- vp8_decode_flush(s->avctx);
+ vp8_decode_flush_impl(s->avctx, 1, 0, 1);
avcodec_set_dimensions(s->avctx, width, height);
}
s->intra4x4_pred_mode_top = av_mallocz(s->mb_width*4);
s->top_nnz = av_mallocz(s->mb_width*sizeof(*s->top_nnz));
s->top_border = av_mallocz((s->mb_width+1)*sizeof(*s->top_border));
- s->segmentation_map = av_mallocz(s->mb_width*s->mb_height);
if (!s->macroblocks_base || !s->filter_strength || !s->intra4x4_pred_mode_top ||
- !s->top_nnz || !s->top_border || !s->segmentation_map)
+ !s->top_nnz || !s->top_border)
return AVERROR(ENOMEM);
s->macroblocks = s->macroblocks_base + 1;
if (!s->macroblocks_base || /* first frame */
width != s->avctx->width || height != s->avctx->height) {
- if ((ret = update_dimensions(s, width, height) < 0))
+ if ((ret = update_dimensions(s, width, height)) < 0)
return ret;
}
AV_ZERO32(&near_mv[0]);
AV_ZERO32(&near_mv[1]);
+ AV_ZERO32(&near_mv[2]);
/* Process MB on top, left and top-left */
#define MV_EDGE_CHECK(n)\
{
VP56RangeCoder *c = &s->c;
- if (s->segmentation.update_map)
- *segment = vp8_rac_get_tree(c, vp8_segmentid_tree, s->prob->segmentid);
- else
+ if (s->segmentation.update_map) {
+ int bit = vp56_rac_get_prob(c, s->prob->segmentid[0]);
+ *segment = vp56_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
+ } else
*segment = ref ? *ref : *segment;
s->segment = *segment;
int mb_x, int mb_y)
{
AVCodecContext *avctx = s->avctx;
- int x, y, mode, nnz, tr;
+ int x, y, mode, nnz;
+ uint32_t tr;
// for the first row, we need to run xchg_mb_border to init the top edge to 127
// otherwise, skip it if we aren't going to deblock
// from the top macroblock
if (!(!mb_y && avctx->flags & CODEC_FLAG_EMU_EDGE) &&
mb_x == s->mb_width-1) {
- tr = tr_right[-1]*0x01010101;
+ tr = tr_right[-1]*0x01010101u;
tr_right = (uint8_t *)&tr;
}
}
}
+static void release_queued_segmaps(VP8Context *s, int is_close)
+{
+ int leave_behind = is_close ? 0 : !s->maps_are_invalid;
+ while (s->num_maps_to_be_freed > leave_behind)
+ av_freep(&s->segmentation_maps[--s->num_maps_to_be_freed]);
+ s->maps_are_invalid = 0;
+}
+
static int vp8_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVPacket *avpkt)
{
enum AVDiscard skip_thresh;
AVFrame *av_uninit(curframe), *prev_frame = s->framep[VP56_FRAME_CURRENT];
+ release_queued_segmaps(s, 0);
+
if ((ret = decode_frame_header(s, avpkt->data, avpkt->size)) < 0)
return ret;
&s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
&s->frames[i] != s->framep[VP56_FRAME_GOLDEN] &&
&s->frames[i] != s->framep[VP56_FRAME_GOLDEN2])
- ff_thread_release_buffer(avctx, &s->frames[i]);
+ vp8_release_frame(s, &s->frames[i], 1, 0);
// find a free buffer
for (i = 0; i < 5; i++)
abort();
}
if (curframe->data[0])
- ff_thread_release_buffer(avctx, curframe);
+ vp8_release_frame(s, curframe, 1, 0);
curframe->key_frame = s->keyframe;
curframe->pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
curframe->reference = referenced ? 3 : 0;
- curframe->ref_index[0] = s->segmentation_map;
- if ((ret = ff_thread_get_buffer(avctx, curframe))) {
+ if ((ret = vp8_alloc_frame(s, curframe))) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed!\n");
return ret;
}
s->dsp.prefetch(dst[0] + (mb_x&3)*4*s->linesize + 64, s->linesize, 4);
s->dsp.prefetch(dst[1] + (mb_x&7)*s->uvlinesize + 64, dst[2] - dst[1], 2);
- decode_mb_mode(s, mb, mb_x, mb_y, s->segmentation_map + mb_xy,
- prev_frame ? prev_frame->ref_index[0] + mb_xy : NULL);
+ decode_mb_mode(s, mb, mb_x, mb_y, curframe->ref_index[0] + mb_xy,
+ prev_frame && prev_frame->ref_index[0] ? prev_frame->ref_index[0] + mb_xy : NULL);
prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_PREVIOUS);
static av_cold int vp8_decode_free(AVCodecContext *avctx)
{
- vp8_decode_flush(avctx);
+ vp8_decode_flush_impl(avctx, 0, 1, 1);
+ release_queued_segmaps(avctx->priv_data, 1);
return 0;
}
{
VP8Context *s = dst->priv_data, *s_src = src->priv_data;
+ if (s->macroblocks_base &&
+ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
+ free_buffers(s);
+ }
+
s->prob[0] = s_src->prob[!s_src->update_probabilities];
s->segmentation = s_src->segmentation;
s->lf_delta = s_src->lf_delta;
projects / ffmpeg / blobdiff