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/*
* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*!\file vpx_decoder.c
* \brief Provides the high level interface to wrap decoder algorithms.
*
*/
#include <stdlib.h>
#include <string.h>
#include "vpx/vpx_decoder.h"
#include "vpx/internal/vpx_codec_internal.h"
#define SAVE_STATUS(ctx,var) (ctx?(ctx->err = var):var)
const char *vpx_dec_iface_name(vpx_dec_iface_t *iface)
{
return vpx_codec_iface_name((vpx_codec_iface_t *)iface);
}
const char *vpx_dec_err_to_string(vpx_dec_err_t err)
{
return vpx_codec_err_to_string(err);
}
const char *vpx_dec_error(vpx_dec_ctx_t *ctx)
{
return vpx_codec_error((vpx_codec_ctx_t *)ctx);
}
const char *vpx_dec_error_detail(vpx_dec_ctx_t *ctx)
{
return vpx_codec_error_detail((vpx_codec_ctx_t *)ctx);
}
vpx_dec_err_t vpx_dec_init_ver(vpx_dec_ctx_t *ctx,
vpx_dec_iface_t *iface,
int ver)
{
return vpx_codec_dec_init_ver((vpx_codec_ctx_t *)ctx,
(vpx_codec_iface_t *)iface,
NULL,
0,
ver);
}
vpx_dec_err_t vpx_dec_destroy(vpx_dec_ctx_t *ctx)
{
return vpx_codec_destroy((vpx_codec_ctx_t *)ctx);
}
vpx_dec_caps_t vpx_dec_get_caps(vpx_dec_iface_t *iface)
{
return vpx_codec_get_caps((vpx_codec_iface_t *)iface);
}
vpx_dec_err_t vpx_dec_peek_stream_info(vpx_dec_iface_t *iface,
const uint8_t *data,
unsigned int data_sz,
vpx_dec_stream_info_t *si)
{
return vpx_codec_peek_stream_info((vpx_codec_iface_t *)iface, data, data_sz,
(vpx_codec_stream_info_t *)si);
}
vpx_dec_err_t vpx_dec_get_stream_info(vpx_dec_ctx_t *ctx,
vpx_dec_stream_info_t *si)
{
return vpx_codec_get_stream_info((vpx_codec_ctx_t *)ctx,
(vpx_codec_stream_info_t *)si);
}
vpx_dec_err_t vpx_dec_control(vpx_dec_ctx_t *ctx,
int ctrl_id,
void *data)
{
return vpx_codec_control_((vpx_codec_ctx_t *)ctx, ctrl_id, data);
}
vpx_dec_err_t vpx_dec_decode(vpx_dec_ctx_t *ctx,
uint8_t *data,
unsigned int data_sz,
void *user_priv,
int rel_pts)
{
(void)rel_pts;
return vpx_codec_decode((vpx_codec_ctx_t *)ctx, data, data_sz, user_priv,
0);
}
vpx_image_t *vpx_dec_get_frame(vpx_dec_ctx_t *ctx,
vpx_dec_iter_t *iter)
{
return vpx_codec_get_frame((vpx_codec_ctx_t *)ctx, iter);
}
vpx_dec_err_t vpx_dec_register_put_frame_cb(vpx_dec_ctx_t *ctx,
vpx_dec_put_frame_cb_fn_t cb,
void *user_priv)
{
return vpx_codec_register_put_frame_cb((vpx_codec_ctx_t *)ctx, cb,
user_priv);
}
vpx_dec_err_t vpx_dec_register_put_slice_cb(vpx_dec_ctx_t *ctx,
vpx_dec_put_slice_cb_fn_t cb,
void *user_priv)
{
return vpx_codec_register_put_slice_cb((vpx_codec_ctx_t *)ctx, cb,
user_priv);
}
vpx_dec_err_t vpx_dec_xma_init_ver(vpx_dec_ctx_t *ctx,
vpx_dec_iface_t *iface,
int ver)
{
return vpx_codec_dec_init_ver((vpx_codec_ctx_t *)ctx,
(vpx_codec_iface_t *)iface,
NULL,
VPX_CODEC_USE_XMA,
ver);
}
vpx_dec_err_t vpx_dec_get_mem_map(vpx_dec_ctx_t *ctx_,
vpx_dec_mmap_t *mmap,
const vpx_dec_stream_info_t *si,
vpx_dec_iter_t *iter)
{
vpx_codec_ctx_t *ctx = (vpx_codec_ctx_t *)ctx_;
vpx_dec_err_t res = VPX_DEC_OK;
if (!ctx || !mmap || !si || !iter || !ctx->iface)
res = VPX_DEC_INVALID_PARAM;
else if (!(ctx->iface->caps & VPX_DEC_CAP_XMA))
res = VPX_DEC_ERROR;
else
{
if (!ctx->config.dec)
{
ctx->config.dec = malloc(sizeof(vpx_codec_dec_cfg_t));
ctx->config.dec->w = si->w;
ctx->config.dec->h = si->h;
}
res = ctx->iface->get_mmap(ctx, mmap, iter);
}
return SAVE_STATUS(ctx, res);
}
vpx_dec_err_t vpx_dec_set_mem_map(vpx_dec_ctx_t *ctx_,
vpx_dec_mmap_t *mmap,
unsigned int num_maps)
{
vpx_codec_ctx_t *ctx = (vpx_codec_ctx_t *)ctx_;
vpx_dec_err_t res = VPX_DEC_MEM_ERROR;
if (!ctx || !mmap || !ctx->iface)
res = VPX_DEC_INVALID_PARAM;
else if (!(ctx->iface->caps & VPX_DEC_CAP_XMA))
res = VPX_DEC_ERROR;
else
{
void *save = (ctx->priv) ? NULL : ctx->config.dec;
unsigned int i;
for (i = 0; i < num_maps; i++, mmap++)
{
if (!mmap->base)
break;
/* Everything look ok, set the mmap in the decoder */
res = ctx->iface->set_mmap(ctx, mmap);
if (res)
break;
}
if (save) free(save);
}
return SAVE_STATUS(ctx, res);
}
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