int vp8_remove_decoder_instances(struct frame_buffers *fb)
{
if(!fb->use_frame_threads)
{
VP8D_COMP *pbi = fb->pbi[0];
if (!pbi)
return VPX_CODEC_ERROR;
#if CONFIG_MULTITHREAD
if (pbi->b_multithreaded_rd)
vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows);
vp8_decoder_remove_threads(pbi);
#endif
/* decoder instance for single thread mode */
remove_decompressor(pbi);
}
else
{
/* TODO : remove frame threads and decoder instances for each
* thread here */
}
return VPX_CODEC_OK;
}
static struct VP8D_COMP * create_decompressor(VP8D_CONFIG *oxcf)
{
VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));
if (!pbi)
return NULL;
memset(pbi, 0, sizeof(VP8D_COMP));
if (setjmp(pbi->common.error.jmp))
{
pbi->common.error.setjmp = 0;
remove_decompressor(pbi);
return 0;
}
pbi->common.error.setjmp = 1;
vp8_create_common(&pbi->common);
pbi->common.current_video_frame = 0;
pbi->ready_for_new_data = 1;
/* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
* unnecessary calling of vp8cx_init_de_quantizer() for every frame.
*/
vp8cx_init_de_quantizer(pbi);
vp8_loop_filter_init(&pbi->common);
pbi->common.error.setjmp = 0;
#if CONFIG_ERROR_CONCEALMENT
pbi->ec_enabled = oxcf->error_concealment;
pbi->overlaps = NULL;
#else
(void)oxcf;
pbi->ec_enabled = 0;
#endif
/* Error concealment is activated after a key frame has been
* decoded without errors when error concealment is enabled.
*/
pbi->ec_active = 0;
pbi->decoded_key_frame = 0;
/* Independent partitions is activated when a frame updates the
* token probability table to have equal probabilities over the
* PREV_COEF context.
*/
pbi->independent_partitions = 0;
vp8_setup_block_dptrs(&pbi->mb);
return pbi;
}
int vp8_remove_decoder_instances(struct frame_buffers *fb) {
VP8D_COMP *pbi = fb->pbi[0];
if (!pbi) return VPX_CODEC_ERROR;
#if CONFIG_MULTITHREAD
vp8_decoder_remove_threads(pbi);
#endif
/* decoder instance for single thread mode */
remove_decompressor(pbi);
return VPX_CODEC_OK;
}
