static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
vpx_codec_priv_enc_mr_cfg_t *data)
{
vpx_codec_err_t res = VPX_CODEC_OK;
(void) data;
vp8_rtcd();
/* This function only allocates space for the vpx_codec_alg_priv_t
* structure. More memory may be required at the time the stream
* information becomes known.
*/
if (!ctx->priv)
{
vpx_codec_mmap_t mmap;
mmap.id = vp8_mem_req_segs[0].id;
mmap.sz = sizeof(vpx_codec_alg_priv_t);
mmap.align = vp8_mem_req_segs[0].align;
mmap.flags = vp8_mem_req_segs[0].flags;
res = vp8_mmap_alloc(&mmap);
if (!res)
{
vp8_init_ctx(ctx, &mmap);
ctx->priv->alg_priv->defer_alloc = 1;
/*post processing level initialized to do nothing */
}
}
return res;
}
static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
vpx_codec_priv_enc_mr_cfg_t *data)
{
vpx_codec_err_t res = VPX_CODEC_OK;
vpx_codec_alg_priv_t *priv = NULL;
(void) data;
vp8_rtcd();
/* This function only allocates space for the vpx_codec_alg_priv_t
* structure. More memory may be required at the time the stream
* information becomes known.
*/
if (!ctx->priv)
{
vp8_init_ctx(ctx);
priv = (vpx_codec_alg_priv_t *)ctx->priv;
/* initialize number of fragments to zero */
priv->fragments.count = 0;
/* is input fragments enabled? */
priv->fragments.enabled =
(priv->base.init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS);
/*post processing level initialized to do nothing */
}
else
{
priv = (vpx_codec_alg_priv_t *)ctx->priv;
}
priv->yv12_frame_buffers.use_frame_threads =
(ctx->priv->init_flags & VPX_CODEC_USE_FRAME_THREADING);
/* for now, disable frame threading */
priv->yv12_frame_buffers.use_frame_threads = 0;
if (priv->yv12_frame_buffers.use_frame_threads &&
((ctx->priv->init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT) ||
(ctx->priv->init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS)))
{
/* row-based threading, error concealment, and input fragments will
* not be supported when using frame-based threading */
res = VPX_CODEC_INVALID_PARAM;
}
return res;
}