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Code Issues Releases Activity

avcodec/dnxhdenc: Move allocation out of radix_sort()

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Its slow, its not checked, FPU state is not clean either currently there

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-10-21 13:29:46 +02:00
parent ecb53e1101
commit 6c5b98d40b
2 changed files with 8 additions and 5 deletions
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12
libavcodec/dnxhdenc.c
View File

@ -288,9 +288,12 @@ static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx)
{
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_rc, (ctx->m.avctx->qmax + 1),
ctx->m.mb_num * sizeof(RCEntry), fail);
if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD)
if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) {
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_cmp,
ctx->m.mb_num, sizeof(RCCMPEntry), fail);
FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_cmp_tmp,
ctx->m.mb_num, sizeof(RCCMPEntry), fail);
}
ctx->frame_bits = (ctx->coding_unit_size -
ctx->data_offset - 4 - ctx->min_padding) * 8;
ctx->qscale = 1;
@ -1072,10 +1075,9 @@ static void radix_sort_pass(RCCMPEntry *dst, const RCCMPEntry *data,
}
}
static void radix_sort(RCCMPEntry *data, int size)
static void radix_sort(RCCMPEntry *data, RCCMPEntry *tmp, int size)
{
int buckets[RADIX_PASSES][NBUCKETS];
RCCMPEntry *tmp = av_malloc_array(size, sizeof(*tmp));
radix_count(data, size, buckets);
radix_sort_pass(tmp, data, size, buckets[0], 0);
radix_sort_pass(data, tmp, size, buckets[1], 1);
@ -1083,7 +1085,6 @@ static void radix_sort(RCCMPEntry *data, int size)
radix_sort_pass(tmp, data, size, buckets[2], 2);
radix_sort_pass(data, tmp, size, buckets[3], 3);
}
av_free(tmp);
}
static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx)
@ -1117,7 +1118,7 @@ static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx)
if (RC_VARIANCE)
avctx->execute2(avctx, dnxhd_mb_var_thread,
NULL, NULL, ctx->m.mb_height);
radix_sort(ctx->mb_cmp, ctx->m.mb_num);
radix_sort(ctx->mb_cmp, ctx->mb_cmp_tmp, ctx->m.mb_num);
for (x = 0; x < ctx->m.mb_num && max_bits > ctx->frame_bits; x++) {
int mb = ctx->mb_cmp[x].mb;
int rc = (ctx->qscale * ctx->m.mb_num ) + mb;
@ -1234,6 +1235,7 @@ static av_cold int dnxhd_encode_end(AVCodecContext *avctx)
av_freep(&ctx->mb_qscale);
av_freep(&ctx->mb_rc);
av_freep(&ctx->mb_cmp);
av_freep(&ctx->mb_cmp_tmp);
av_freep(&ctx->slice_size);
av_freep(&ctx->slice_offs);

1
libavcodec/dnxhdenc.h
View File

@ -96,6 +96,7 @@ typedef struct DNXHDEncContext {
uint8_t *mb_qscale;
RCCMPEntry *mb_cmp;
RCCMPEntry *mb_cmp_tmp;
RCEntry *mb_rc;
void (*get_pixels_8x4_sym)(int16_t * /* align 16 */,