avfilter/vf_libvmaf: the libvmaf filter tried to join on an invalid thread id

The thread id was invalid because it was not initialised
during the calls to init_complex_filtergraph.

This adds a flag to check for initialisation before trying to
peform the join.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Kevin Wheatley <kevin.j.wheatley@gmail.com>
This commit is contained in:
Kevin Wheatley 2018-04-30 16:33:51 +01:00 committed by James Almer
parent 244d4ba0da
commit 51775bc1cd
1 changed files with 8 additions and 1 deletions

View File

@ -43,6 +43,7 @@ typedef struct LIBVMAFContext {
int width;
int height;
double vmaf_score;
int vmaf_thread_created;
pthread_t vmaf_thread;
pthread_mutex_t lock;
pthread_cond_t cond;
@ -228,6 +229,7 @@ static av_cold int init(AVFilterContext *ctx)
s->gmain = av_frame_alloc();
s->error = 0;
s->vmaf_thread_created = 0;
pthread_mutex_init(&s->lock, NULL);
pthread_cond_init (&s->cond, NULL);
@ -275,6 +277,7 @@ static int config_input_ref(AVFilterLink *inlink)
av_log(ctx, AV_LOG_ERROR, "Thread creation failed.\n");
return AVERROR(EINVAL);
}
s->vmaf_thread_created = 1;
return 0;
}
@ -317,7 +320,11 @@ static av_cold void uninit(AVFilterContext *ctx)
pthread_cond_signal(&s->cond);
pthread_mutex_unlock(&s->lock);
pthread_join(s->vmaf_thread, NULL);
if (s->vmaf_thread_created)
{
pthread_join(s->vmaf_thread, NULL);
s->vmaf_thread_created = 0;
}
av_frame_free(&s->gref);
av_frame_free(&s->gmain);