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avcodec/magicyuvenc: move bit writer to stack

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This commit is contained in:
Paul B Mahol
2023-09-10 12:28:29 +02:00
parent 800fbc98a5
commit 5c87933e76
1 changed files with 6 additions and 6 deletions
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libavcodec/magicyuvenc.c
+6 -6
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@@ -56,7 +56,6 @@ typedef struct PTable {
typedef struct MagicYUVContext {
const AVClass *class;
int frame_pred;
PutBitContext pb;
int planes;
uint8_t format;
int slice_height;
@@ -64,12 +63,12 @@ typedef struct MagicYUVContext {
int correlate;
int hshift[4];
int vshift[4];
unsigned bitslice_size;
unsigned tables_size;
uint8_t **slices;
uint8_t **bitslices;
unsigned bitslice_size;
unsigned *slice_pos;
unsigned *slice_size;
unsigned tables_size;
PTable *counts;
uint8_t *decorrelate_buf[2];
HuffEntry he[4][256];
@@ -528,6 +527,7 @@ static int magy_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
MagicYUVContext *s = avctx->priv_data;
PutBitContext pbit;
PutByteContext pb;
const int width = avctx->width, height = avctx->height;
const int slice_height = s->slice_height;
@@ -572,12 +572,12 @@ static int magy_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
avctx->execute2(avctx, predict_slice, (void *)frame, NULL, s->nb_slices);
init_put_bits(&s->pb, pkt->data + bytestream2_tell_p(&pb), bytestream2_get_bytes_left_p(&pb));
init_put_bits(&pbit, pkt->data + bytestream2_tell_p(&pb), bytestream2_get_bytes_left_p(&pb));
for (int i = 0; i < s->planes; i++)
encode_table(avctx, &s->pb, s->he[i], i);
encode_table(avctx, &pbit, s->he[i], i);
s->tables_size = put_bytes_count(&s->pb, 1);
s->tables_size = put_bytes_count(&pbit, 1);
bytestream2_skip_p(&pb, s->tables_size);
avctx->execute2(avctx, encode_slice, NULL, NULL, s->nb_slices);