static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) {
if (ctx->frame_workers != NULL) {
int i;
for (i = 0; i < ctx->num_frame_workers; ++i) {
VPxWorker *const worker = &ctx->frame_workers[i];
FrameWorkerData *const frame_worker_data =
(FrameWorkerData *)worker->data1;
vpx_get_worker_interface()->end(worker);
vp10_remove_common(&frame_worker_data->pbi->common);
#if CONFIG_VP9_POSTPROC
vp10_free_postproc_buffers(&frame_worker_data->pbi->common);
#endif
vp10_decoder_remove(frame_worker_data->pbi);
vpx_free(frame_worker_data->scratch_buffer);
#if CONFIG_MULTITHREAD
pthread_mutex_destroy(&frame_worker_data->stats_mutex);
pthread_cond_destroy(&frame_worker_data->stats_cond);
#endif
vpx_free(frame_worker_data);
}
#if CONFIG_MULTITHREAD
pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
#endif
}
if (ctx->buffer_pool) {
vp10_free_ref_frame_buffers(ctx->buffer_pool);
vp10_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
}
vpx_free(ctx->frame_workers);
vpx_free(ctx->buffer_pool);
vpx_free(ctx);
return VPX_CODEC_OK;
}
int vp10_alloc_internal_frame_buffers(InternalFrameBufferList *list) {
assert(list != NULL);
vp10_free_internal_frame_buffers(list);
list->num_internal_frame_buffers =
VPX_MAXIMUM_REF_BUFFERS + VPX_MAXIMUM_WORK_BUFFERS;
list->int_fb = (InternalFrameBuffer *)vpx_calloc(
list->num_internal_frame_buffers, sizeof(*list->int_fb));
return (list->int_fb == NULL);
}