[FFmpeg-devel] [PATCH 2/5] avcodec/ffv1enc: Move slice termination into threads
Michael Niedermayer
michael at niedermayer.cc
Thu Oct 10 23:45:25 EEST 2024
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavcodec/ffv1enc.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 430e2161a3b..3a431f41365 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -1105,6 +1105,13 @@ retry:
ret = encode_rgb_frame(f, sc, planes, width, height, p->linesize);
}
+ if (f->ac != AC_GOLOMB_RICE) {
+ sc->ac_byte_count = ff_rac_terminate(&sc->c, 1);
+ } else {
+ flush_put_bits(&sc->pb); // FIXME: nicer padding
+ sc->ac_byte_count += put_bytes_output(&sc->pb);
+ }
+
if (ret < 0) {
av_assert0(sc->slice_coding_mode == 0);
if (f->version < 4 || !f->ac) {
@@ -1229,14 +1236,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
buf_p = pkt->data;
for (i = 0; i < f->slice_count; i++) {
FFV1SliceContext *sc = &f->slices[i];
- int bytes;
-
- if (f->ac != AC_GOLOMB_RICE) {
- bytes = ff_rac_terminate(&sc->c, 1);
- } else {
- flush_put_bits(&sc->pb); // FIXME: nicer padding
- bytes = sc->ac_byte_count + put_bytes_output(&sc->pb);
- }
+ int bytes = sc->ac_byte_count;
if (i > 0 || f->version > 2) {
av_assert0(bytes < pkt->size / f->slice_count);
memmove(buf_p, sc->c.bytestream_start, bytes);
--
2.47.0
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