vpx/vp9/vp9_dx_iface.c
Frank Galligan a4f30a5023 Add VP9 decoder support for external frame buffers
Added support for external frame buffers to libvpx's VP9 decoder.
If the external frame buffer functions are set then libvpx will
call the get function whenever it needs a new frame buffer to
decode a frame into. And it will call the release function
whenever there are no more references to that buffer.

Change-Id: Id2934d005f606af6e052fb6db0d5b7c02f567522
2014-02-13 13:14:19 -08:00

764 lines
23 KiB
C

/*
* Copyright (c) 2010 The WebM 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.
*/
#include <stdlib.h>
#include <string.h>
#include "vpx/vpx_decoder.h"
#include "vpx/vp8dx.h"
#include "vpx/internal/vpx_codec_internal.h"
#include "./vpx_version.h"
#include "vp9/common/vp9_frame_buffers.h"
#include "vp9/decoder/vp9_onyxd.h"
#include "vp9/decoder/vp9_onyxd_int.h"
#include "vp9/decoder/vp9_read_bit_buffer.h"
#include "vp9/vp9_iface_common.h"
#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
typedef vpx_codec_stream_info_t vp9_stream_info_t;
/* Structures for handling memory allocations */
typedef enum {
VP9_SEG_ALG_PRIV = 256,
VP9_SEG_MAX
} mem_seg_id_t;
#define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
static unsigned long priv_sz(const vpx_codec_dec_cfg_t *si,
vpx_codec_flags_t flags);
static const mem_req_t vp9_mem_req_segs[] = {
{VP9_SEG_ALG_PRIV, 0, 8, VPX_CODEC_MEM_ZERO, priv_sz},
{VP9_SEG_MAX, 0, 0, 0, NULL}
};
struct vpx_codec_alg_priv {
vpx_codec_priv_t base;
vpx_codec_mmap_t mmaps[NELEMENTS(vp9_mem_req_segs) - 1];
vpx_codec_dec_cfg_t cfg;
vp9_stream_info_t si;
int defer_alloc;
int decoder_init;
VP9D_PTR pbi;
int postproc_cfg_set;
vp8_postproc_cfg_t postproc_cfg;
#if CONFIG_POSTPROC_VISUALIZER
unsigned int dbg_postproc_flag;
int dbg_color_ref_frame_flag;
int dbg_color_mb_modes_flag;
int dbg_color_b_modes_flag;
int dbg_display_mv_flag;
#endif
vpx_image_t img;
int img_setup;
int img_avail;
int invert_tile_order;
// External frame buffer info to save for VP9 common.
void *ext_priv; // Private data associated with the external frame buffers.
vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
};
static unsigned long priv_sz(const vpx_codec_dec_cfg_t *si,
vpx_codec_flags_t flags) {
/* Although this declaration is constant, we can't use it in the requested
* segments list because we want to define the requested segments list
* before defining the private type (so that the number of memory maps is
* known)
*/
(void)si;
return sizeof(vpx_codec_alg_priv_t);
}
static void vp9_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap) {
int i;
ctx->priv = mmap->base;
ctx->priv->sz = sizeof(*ctx->priv);
ctx->priv->iface = ctx->iface;
ctx->priv->alg_priv = mmap->base;
for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
ctx->priv->alg_priv->mmaps[i].id = vp9_mem_req_segs[i].id;
ctx->priv->alg_priv->mmaps[0] = *mmap;
ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
ctx->priv->init_flags = ctx->init_flags;
if (ctx->config.dec) {
/* Update the reference to the config structure to an internal copy. */
ctx->priv->alg_priv->cfg = *ctx->config.dec;
ctx->config.dec = &ctx->priv->alg_priv->cfg;
}
}
static void vp9_finalize_mmaps(vpx_codec_alg_priv_t *ctx) {
/* nothing to clean up */
}
static vpx_codec_err_t vp9_init(vpx_codec_ctx_t *ctx,
vpx_codec_priv_enc_mr_cfg_t *data) {
vpx_codec_err_t res = VPX_CODEC_OK;
// 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 = vp9_mem_req_segs[0].id;
mmap.sz = sizeof(vpx_codec_alg_priv_t);
mmap.align = vp9_mem_req_segs[0].align;
mmap.flags = vp9_mem_req_segs[0].flags;
res = vpx_mmap_alloc(&mmap);
if (!res) {
vp9_init_ctx(ctx, &mmap);
ctx->priv->alg_priv->defer_alloc = 1;
}
}
return res;
}
static vpx_codec_err_t vp9_destroy(vpx_codec_alg_priv_t *ctx) {
int i;
vp9_remove_decompressor(ctx->pbi);
for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--) {
if (ctx->mmaps[i].dtor)
ctx->mmaps[i].dtor(&ctx->mmaps[i]);
}
return VPX_CODEC_OK;
}
static vpx_codec_err_t vp9_peek_si(const uint8_t *data, unsigned int data_sz,
vpx_codec_stream_info_t *si) {
if (data_sz <= 8) return VPX_CODEC_UNSUP_BITSTREAM;
if (data + data_sz <= data) return VPX_CODEC_INVALID_PARAM;
si->is_kf = 0;
si->w = si->h = 0;
{
struct vp9_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
const int frame_marker = vp9_rb_read_literal(&rb, 2);
const int version = vp9_rb_read_bit(&rb);
(void) vp9_rb_read_bit(&rb); // unused version bit
if (frame_marker != VP9_FRAME_MARKER)
return VPX_CODEC_UNSUP_BITSTREAM;
#if CONFIG_NON420
if (version > 1) return VPX_CODEC_UNSUP_BITSTREAM;
#else
if (version != 0) return VPX_CODEC_UNSUP_BITSTREAM;
#endif
if (vp9_rb_read_bit(&rb)) { // show an existing frame
return VPX_CODEC_OK;
}
si->is_kf = !vp9_rb_read_bit(&rb);
if (si->is_kf) {
const int sRGB = 7;
int colorspace;
rb.bit_offset += 1; // show frame
rb.bit_offset += 1; // error resilient
if (vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_0 ||
vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_1 ||
vp9_rb_read_literal(&rb, 8) != VP9_SYNC_CODE_2) {
return VPX_CODEC_UNSUP_BITSTREAM;
}
colorspace = vp9_rb_read_literal(&rb, 3);
if (colorspace != sRGB) {
rb.bit_offset += 1; // [16,235] (including xvycc) vs [0,255] range
if (version == 1) {
rb.bit_offset += 2; // subsampling x/y
rb.bit_offset += 1; // has extra plane
}
} else {
if (version == 1) {
rb.bit_offset += 1; // has extra plane
} else {
// RGB is only available in version 1
return VPX_CODEC_UNSUP_BITSTREAM;
}
}
// TODO(jzern): these are available on non-keyframes in intra only mode.
si->w = vp9_rb_read_literal(&rb, 16) + 1;
si->h = vp9_rb_read_literal(&rb, 16) + 1;
}
}
return VPX_CODEC_OK;
}
static vpx_codec_err_t vp9_get_si(vpx_codec_alg_priv_t *ctx,
vpx_codec_stream_info_t *si) {
const size_t sz = (si->sz >= sizeof(vp9_stream_info_t))
? sizeof(vp9_stream_info_t)
: sizeof(vpx_codec_stream_info_t);
memcpy(si, &ctx->si, sz);
si->sz = sz;
return VPX_CODEC_OK;
}
static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
const struct vpx_internal_error_info *error) {
if (error->error_code)
ctx->base.err_detail = error->has_detail ? error->detail : NULL;
return error->error_code;
}
static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx,
const uint8_t **data, unsigned int data_sz,
void *user_priv, int64_t deadline) {
vpx_codec_err_t res = VPX_CODEC_OK;
ctx->img_avail = 0;
/* Determine the stream parameters. Note that we rely on peek_si to
* validate that we have a buffer that does not wrap around the top
* of the heap.
*/
if (!ctx->si.h)
res = ctx->base.iface->dec.peek_si(*data, data_sz, &ctx->si);
/* Perform deferred allocations, if required */
if (!res && ctx->defer_alloc) {
int i;
for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++) {
vpx_codec_dec_cfg_t cfg;
cfg.w = ctx->si.w;
cfg.h = ctx->si.h;
ctx->mmaps[i].id = vp9_mem_req_segs[i].id;
ctx->mmaps[i].sz = vp9_mem_req_segs[i].sz;
ctx->mmaps[i].align = vp9_mem_req_segs[i].align;
ctx->mmaps[i].flags = vp9_mem_req_segs[i].flags;
if (!ctx->mmaps[i].sz)
ctx->mmaps[i].sz = vp9_mem_req_segs[i].calc_sz(&cfg,
ctx->base.init_flags);
res = vpx_mmap_alloc(&ctx->mmaps[i]);
}
if (!res)
vp9_finalize_mmaps(ctx);
ctx->defer_alloc = 0;
}
/* Initialize the decoder instance on the first frame*/
if (!res && !ctx->decoder_init) {
res = vpx_validate_mmaps(&ctx->si, ctx->mmaps,
vp9_mem_req_segs, NELEMENTS(vp9_mem_req_segs),
ctx->base.init_flags);
if (!res) {
VP9D_CONFIG oxcf;
VP9D_PTR optr;
vp9_initialize_dec();
oxcf.width = ctx->si.w;
oxcf.height = ctx->si.h;
oxcf.version = 9;
oxcf.postprocess = 0;
oxcf.max_threads = ctx->cfg.threads;
oxcf.inv_tile_order = ctx->invert_tile_order;
optr = vp9_create_decompressor(&oxcf);
// If postprocessing was enabled by the application and a
// configuration has not been provided, default it.
if (!ctx->postproc_cfg_set &&
(ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) {
ctx->postproc_cfg.post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK;
ctx->postproc_cfg.deblocking_level = 4;
ctx->postproc_cfg.noise_level = 0;
}
if (!optr) {
res = VPX_CODEC_ERROR;
} else {
VP9D_COMP *const pbi = (VP9D_COMP*)optr;
VP9_COMMON *const cm = &pbi->common;
// Set index to not initialized.
cm->new_fb_idx = -1;
if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
cm->get_fb_cb = ctx->get_ext_fb_cb;
cm->release_fb_cb = ctx->release_ext_fb_cb;
cm->cb_priv = ctx->ext_priv;
} else {
cm->get_fb_cb = vp9_get_frame_buffer;
cm->release_fb_cb = vp9_release_frame_buffer;
if (vp9_alloc_internal_frame_buffers(&cm->int_frame_buffers))
vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
"Failed to initialize internal frame buffers");
cm->cb_priv = &cm->int_frame_buffers;
}
ctx->pbi = optr;
}
}
ctx->decoder_init = 1;
}
if (!res && ctx->pbi) {
YV12_BUFFER_CONFIG sd;
int64_t time_stamp = 0, time_end_stamp = 0;
vp9_ppflags_t flags = {0};
if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) {
flags.post_proc_flag =
#if CONFIG_POSTPROC_VISUALIZER
(ctx->dbg_color_ref_frame_flag ? VP9D_DEBUG_CLR_FRM_REF_BLKS : 0) |
(ctx->dbg_color_mb_modes_flag ? VP9D_DEBUG_CLR_BLK_MODES : 0) |
(ctx->dbg_color_b_modes_flag ? VP9D_DEBUG_CLR_BLK_MODES : 0) |
(ctx->dbg_display_mv_flag ? VP9D_DEBUG_DRAW_MV : 0) |
#endif
ctx->postproc_cfg.post_proc_flag;
flags.deblocking_level = ctx->postproc_cfg.deblocking_level;
flags.noise_level = ctx->postproc_cfg.noise_level;
#if CONFIG_POSTPROC_VISUALIZER
flags.display_ref_frame_flag = ctx->dbg_color_ref_frame_flag;
flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
flags.display_b_modes_flag = ctx->dbg_color_b_modes_flag;
flags.display_mv_flag = ctx->dbg_display_mv_flag;
#endif
}
if (vp9_receive_compressed_data(ctx->pbi, data_sz, data, deadline)) {
VP9D_COMP *pbi = (VP9D_COMP*)ctx->pbi;
res = update_error_state(ctx, &pbi->common.error);
}
if (!res && 0 == vp9_get_raw_frame(ctx->pbi, &sd, &time_stamp,
&time_end_stamp, &flags)) {
VP9D_COMP *const pbi = (VP9D_COMP*)ctx->pbi;
VP9_COMMON *const cm = &pbi->common;
yuvconfig2image(&ctx->img, &sd, user_priv);
ctx->img.fb_priv = cm->frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
ctx->img_avail = 1;
}
}
return res;
}
static void parse_superframe_index(const uint8_t *data, size_t data_sz,
uint32_t sizes[8], int *count) {
uint8_t marker;
assert(data_sz);
marker = data[data_sz - 1];
*count = 0;
if ((marker & 0xe0) == 0xc0) {
const uint32_t frames = (marker & 0x7) + 1;
const uint32_t mag = ((marker >> 3) & 0x3) + 1;
const size_t index_sz = 2 + mag * frames;
if (data_sz >= index_sz && data[data_sz - index_sz] == marker) {
// found a valid superframe index
uint32_t i, j;
const uint8_t *x = data + data_sz - index_sz + 1;
for (i = 0; i < frames; i++) {
uint32_t this_sz = 0;
for (j = 0; j < mag; j++)
this_sz |= (*x++) << (j * 8);
sizes[i] = this_sz;
}
*count = frames;
}
}
}
static vpx_codec_err_t vp9_decode(vpx_codec_alg_priv_t *ctx,
const uint8_t *data,
unsigned int data_sz,
void *user_priv,
long deadline) {
const uint8_t *data_start = data;
const uint8_t *data_end = data + data_sz;
vpx_codec_err_t res = 0;
uint32_t sizes[8];
int frames_this_pts, frame_count = 0;
if (data == NULL || data_sz == 0) return VPX_CODEC_INVALID_PARAM;
parse_superframe_index(data, data_sz, sizes, &frames_this_pts);
do {
// Skip over the superframe index, if present
if (data_sz && (*data_start & 0xe0) == 0xc0) {
const uint8_t marker = *data_start;
const uint32_t frames = (marker & 0x7) + 1;
const uint32_t mag = ((marker >> 3) & 0x3) + 1;
const uint32_t index_sz = 2 + mag * frames;
if (data_sz >= index_sz && data_start[index_sz - 1] == marker) {
data_start += index_sz;
data_sz -= index_sz;
if (data_start < data_end)
continue;
else
break;
}
}
// Use the correct size for this frame, if an index is present.
if (frames_this_pts) {
uint32_t this_sz = sizes[frame_count];
if (data_sz < this_sz) {
ctx->base.err_detail = "Invalid frame size in index";
return VPX_CODEC_CORRUPT_FRAME;
}
data_sz = this_sz;
frame_count++;
}
res = decode_one(ctx, &data_start, data_sz, user_priv, deadline);
assert(data_start >= data);
assert(data_start <= data_end);
/* Early exit if there was a decode error */
if (res)
break;
/* Account for suboptimal termination by the encoder. */
while (data_start < data_end && *data_start == 0)
data_start++;
data_sz = data_end - data_start;
} while (data_start < data_end);
return res;
}
static vpx_image_t *vp9_get_frame(vpx_codec_alg_priv_t *ctx,
vpx_codec_iter_t *iter) {
vpx_image_t *img = NULL;
if (ctx->img_avail) {
/* iter acts as a flip flop, so an image is only returned on the first
* call to get_frame.
*/
if (!(*iter)) {
img = &ctx->img;
*iter = img;
}
}
ctx->img_avail = 0;
return img;
}
static vpx_codec_err_t vp9_set_fb_fn(
vpx_codec_alg_priv_t *ctx,
vpx_get_frame_buffer_cb_fn_t cb_get,
vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
if (cb_get == NULL || cb_release == NULL) {
return VPX_CODEC_INVALID_PARAM;
} else if (ctx->pbi == NULL) {
// If the decoder has already been initialized, do not accept changes to
// the frame buffer functions.
ctx->get_ext_fb_cb = cb_get;
ctx->release_ext_fb_cb = cb_release;
ctx->ext_priv = cb_priv;
return VPX_CODEC_OK;
}
return VPX_CODEC_ERROR;
}
static vpx_codec_err_t vp9_xma_get_mmap(const vpx_codec_ctx_t *ctx,
vpx_codec_mmap_t *mmap,
vpx_codec_iter_t *iter) {
vpx_codec_err_t res;
const mem_req_t *seg_iter = *iter;
/* Get address of next segment request */
do {
if (!seg_iter)
seg_iter = vp9_mem_req_segs;
else if (seg_iter->id != VP9_SEG_MAX)
seg_iter++;
*iter = (vpx_codec_iter_t)seg_iter;
if (seg_iter->id != VP9_SEG_MAX) {
mmap->id = seg_iter->id;
mmap->sz = seg_iter->sz;
mmap->align = seg_iter->align;
mmap->flags = seg_iter->flags;
if (!seg_iter->sz)
mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
res = VPX_CODEC_OK;
} else {
res = VPX_CODEC_LIST_END;
}
} while (!mmap->sz && res != VPX_CODEC_LIST_END);
return res;
}
static vpx_codec_err_t vp9_xma_set_mmap(vpx_codec_ctx_t *ctx,
const vpx_codec_mmap_t *mmap) {
vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
int i, done;
if (!ctx->priv) {
if (mmap->id == VP9_SEG_ALG_PRIV) {
if (!ctx->priv) {
vp9_init_ctx(ctx, mmap);
res = VPX_CODEC_OK;
}
}
}
done = 1;
if (!res && ctx->priv->alg_priv) {
for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) {
if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
if (!ctx->priv->alg_priv->mmaps[i].base) {
ctx->priv->alg_priv->mmaps[i] = *mmap;
res = VPX_CODEC_OK;
}
done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
}
}
if (done && !res) {
vp9_finalize_mmaps(ctx->priv->alg_priv);
res = ctx->iface->init(ctx, NULL);
}
return res;
}
static vpx_codec_err_t set_reference(vpx_codec_alg_priv_t *ctx, int ctr_id,
va_list args) {
vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
if (data) {
vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
YV12_BUFFER_CONFIG sd;
image2yuvconfig(&frame->img, &sd);
return vp9_set_reference_dec(ctx->pbi,
(VP9_REFFRAME)frame->frame_type, &sd);
} else {
return VPX_CODEC_INVALID_PARAM;
}
}
static vpx_codec_err_t copy_reference(vpx_codec_alg_priv_t *ctx, int ctr_id,
va_list args) {
vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
if (data) {
vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
YV12_BUFFER_CONFIG sd;
image2yuvconfig(&frame->img, &sd);
return vp9_copy_reference_dec(ctx->pbi,
(VP9_REFFRAME)frame->frame_type, &sd);
} else {
return VPX_CODEC_INVALID_PARAM;
}
}
static vpx_codec_err_t get_reference(vpx_codec_alg_priv_t *ctx, int ctr_id,
va_list args) {
vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);
if (data) {
YV12_BUFFER_CONFIG* fb;
vp9_get_reference_dec(ctx->pbi, data->idx, &fb);
yuvconfig2image(&data->img, fb, NULL);
return VPX_CODEC_OK;
} else {
return VPX_CODEC_INVALID_PARAM;
}
}
static vpx_codec_err_t set_postproc(vpx_codec_alg_priv_t *ctx, int ctr_id,
va_list args) {
#if CONFIG_VP9_POSTPROC
vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
if (data) {
ctx->postproc_cfg_set = 1;
ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
return VPX_CODEC_OK;
} else {
return VPX_CODEC_INVALID_PARAM;
}
#else
return VPX_CODEC_INCAPABLE;
#endif
}
static vpx_codec_err_t set_dbg_options(vpx_codec_alg_priv_t *ctx, int ctrl_id,
va_list args) {
#if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
int data = va_arg(args, int);
#define MAP(id, var) case id: var = data; break;
switch (ctrl_id) {
MAP(VP8_SET_DBG_COLOR_REF_FRAME, ctx->dbg_color_ref_frame_flag);
MAP(VP8_SET_DBG_COLOR_MB_MODES, ctx->dbg_color_mb_modes_flag);
MAP(VP8_SET_DBG_COLOR_B_MODES, ctx->dbg_color_b_modes_flag);
MAP(VP8_SET_DBG_DISPLAY_MV, ctx->dbg_display_mv_flag);
}
return VPX_CODEC_OK;
#else
return VPX_CODEC_INCAPABLE;
#endif
}
static vpx_codec_err_t get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
int ctrl_id, va_list args) {
int *update_info = va_arg(args, int *);
VP9D_COMP *pbi = (VP9D_COMP*)ctx->pbi;
if (update_info) {
*update_info = pbi->refresh_frame_flags;
return VPX_CODEC_OK;
} else {
return VPX_CODEC_INVALID_PARAM;
}
}
static vpx_codec_err_t get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
int ctrl_id, va_list args) {
int *corrupted = va_arg(args, int *);
if (corrupted) {
VP9D_COMP *pbi = (VP9D_COMP*)ctx->pbi;
if (pbi)
*corrupted = pbi->common.frame_to_show->corrupted;
else
return VPX_CODEC_ERROR;
return VPX_CODEC_OK;
} else {
return VPX_CODEC_INVALID_PARAM;
}
}
static vpx_codec_err_t get_display_size(vpx_codec_alg_priv_t *ctx,
int ctrl_id, va_list args) {
int *const display_size = va_arg(args, int *);
if (display_size) {
const VP9D_COMP *const pbi = (VP9D_COMP*)ctx->pbi;
if (pbi) {
display_size[0] = pbi->common.display_width;
display_size[1] = pbi->common.display_height;
} else {
return VPX_CODEC_ERROR;
}
return VPX_CODEC_OK;
} else {
return VPX_CODEC_INVALID_PARAM;
}
}
static vpx_codec_err_t set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
int ctr_id,
va_list args) {
ctx->invert_tile_order = va_arg(args, int);
return VPX_CODEC_OK;
}
static vpx_codec_ctrl_fn_map_t ctf_maps[] = {
{VP8_SET_REFERENCE, set_reference},
{VP8_COPY_REFERENCE, copy_reference},
{VP8_SET_POSTPROC, set_postproc},
{VP8_SET_DBG_COLOR_REF_FRAME, set_dbg_options},
{VP8_SET_DBG_COLOR_MB_MODES, set_dbg_options},
{VP8_SET_DBG_COLOR_B_MODES, set_dbg_options},
{VP8_SET_DBG_DISPLAY_MV, set_dbg_options},
{VP8D_GET_LAST_REF_UPDATES, get_last_ref_updates},
{VP8D_GET_FRAME_CORRUPTED, get_frame_corrupted},
{VP9_GET_REFERENCE, get_reference},
{VP9D_GET_DISPLAY_SIZE, get_display_size},
{VP9_INVERT_TILE_DECODE_ORDER, set_invert_tile_order},
{ -1, NULL},
};
#ifndef VERSION_STRING
#define VERSION_STRING
#endif
CODEC_INTERFACE(vpx_codec_vp9_dx) = {
"WebM Project VP9 Decoder" VERSION_STRING,
VPX_CODEC_INTERNAL_ABI_VERSION,
VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC |
VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER,
/* vpx_codec_caps_t caps; */
vp9_init, /* vpx_codec_init_fn_t init; */
vp9_destroy, /* vpx_codec_destroy_fn_t destroy; */
ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */
vp9_xma_get_mmap, /* vpx_codec_get_mmap_fn_t get_mmap; */
vp9_xma_set_mmap, /* vpx_codec_set_mmap_fn_t set_mmap; */
{ // NOLINT
vp9_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */
vp9_get_si, /* vpx_codec_get_si_fn_t get_si; */
vp9_decode, /* vpx_codec_decode_fn_t decode; */
vp9_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */
vp9_set_fb_fn, /* vpx_codec_set_fb_fn_t set_fb_fn; */
},
{ // NOLINT
/* encoder functions */
NOT_IMPLEMENTED,
NOT_IMPLEMENTED,
NOT_IMPLEMENTED,
NOT_IMPLEMENTED,
NOT_IMPLEMENTED,
NOT_IMPLEMENTED
}
};