From 7ee17ec7e46afef0e0af20af196292ec75f50b62 Mon Sep 17 00:00:00 2001 From: James Almer Date: Sat, 26 Jun 2021 17:24:15 -0300 Subject: [PATCH] avcodec/libdav1d: don't repeatedly parse the same sequence header Look at the event flag that signals a new sequence header was found in the bitstream on supported libdav1d versions for this purpose. Signed-off-by: James Almer --- libavcodec/libdav1d.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c index 6370ae1fbf..c39df418d5 100644 --- a/libavcodec/libdav1d.c +++ b/libavcodec/libdav1d.c @@ -33,6 +33,9 @@ #include "decode.h" #include "internal.h" +#define FF_DAV1D_VERSION_AT_LEAST(x,y) \ + (DAV1D_API_VERSION_MAJOR > (x) || DAV1D_API_VERSION_MAJOR == (x) && DAV1D_API_VERSION_MINOR >= (y)) + typedef struct Libdav1dContext { AVClass *class; Dav1dContext *c; @@ -220,6 +223,9 @@ static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame) Libdav1dContext *dav1d = c->priv_data; Dav1dData *data = &dav1d->data; Dav1dPicture pic = { 0 }, *p = &pic; +#if FF_DAV1D_VERSION_AT_LEAST(5,1) + enum Dav1dEventFlags event_flags = 0; +#endif int res; if (!data->sz) { @@ -296,6 +302,10 @@ static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame) frame->linesize[1] = p->stride[1]; frame->linesize[2] = p->stride[1]; +#if FF_DAV1D_VERSION_AT_LEAST(5,1) + dav1d_get_event_flags(dav1d->c, &event_flags); + if (event_flags & DAV1D_EVENT_FLAG_NEW_SEQUENCE) +#endif libdav1d_init_params(c, p->seq_hdr); res = ff_decode_frame_props(c, frame); if (res < 0)