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(61d00a474) v0.9.7.1

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This commit is contained in:
Regalis
2020-03-04 13:04:10 +01:00
parent 3c50efa5c9
commit 3c09ebe02f
5086 changed files with 786063 additions and 295871 deletions
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Libraries/webm_mem_playback/libvpx/vpx/src/vpx_codec.c
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/*
* 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.
*/
/*!\file
* \brief Provides the high level interface to wrap decoder algorithms.
*
*/
#include <stdarg.h>
#include <stdlib.h>
#include "vpx/vpx_integer.h"
#include "vpx/internal/vpx_codec_internal.h"
#include "vpx_version.h"
#define SAVE_STATUS(ctx, var) (ctx ? (ctx->err = var) : var)
int vpx_codec_version(void) { return VERSION_PACKED; }
const char *vpx_codec_version_str(void) { return VERSION_STRING_NOSP; }
const char *vpx_codec_version_extra_str(void) { return VERSION_EXTRA; }
const char *vpx_codec_iface_name(vpx_codec_iface_t *iface) {
return iface ? iface->name : "<invalid interface>";
}
const char *vpx_codec_err_to_string(vpx_codec_err_t err) {
switch (err) {
case VPX_CODEC_OK: return "Success";
case VPX_CODEC_ERROR: return "Unspecified internal error";
case VPX_CODEC_MEM_ERROR: return "Memory allocation error";
case VPX_CODEC_ABI_MISMATCH: return "ABI version mismatch";
case VPX_CODEC_INCAPABLE:
return "Codec does not implement requested capability";
case VPX_CODEC_UNSUP_BITSTREAM:
return "Bitstream not supported by this decoder";
case VPX_CODEC_UNSUP_FEATURE:
return "Bitstream required feature not supported by this decoder";
case VPX_CODEC_CORRUPT_FRAME: return "Corrupt frame detected";
case VPX_CODEC_INVALID_PARAM: return "Invalid parameter";
case VPX_CODEC_LIST_END: return "End of iterated list";
}
return "Unrecognized error code";
}
const char *vpx_codec_error(vpx_codec_ctx_t *ctx) {
return (ctx) ? vpx_codec_err_to_string(ctx->err)
: vpx_codec_err_to_string(VPX_CODEC_INVALID_PARAM);
}
const char *vpx_codec_error_detail(vpx_codec_ctx_t *ctx) {
if (ctx && ctx->err)
return ctx->priv ? ctx->priv->err_detail : ctx->err_detail;
return NULL;
}
vpx_codec_err_t vpx_codec_destroy(vpx_codec_ctx_t *ctx) {
vpx_codec_err_t res;
if (!ctx)
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv)
res = VPX_CODEC_ERROR;
else {
ctx->iface->destroy((vpx_codec_alg_priv_t *)ctx->priv);
ctx->iface = NULL;
ctx->name = NULL;
ctx->priv = NULL;
res = VPX_CODEC_OK;
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_caps_t vpx_codec_get_caps(vpx_codec_iface_t *iface) {
return (iface) ? iface->caps : 0;
}
vpx_codec_err_t vpx_codec_control_(vpx_codec_ctx_t *ctx, int ctrl_id, ...) {
vpx_codec_err_t res;
if (!ctx || !ctrl_id)
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv || !ctx->iface->ctrl_maps)
res = VPX_CODEC_ERROR;
else {
vpx_codec_ctrl_fn_map_t *entry;
res = VPX_CODEC_INCAPABLE;
for (entry = ctx->iface->ctrl_maps; entry && entry->fn; entry++) {
if (!entry->ctrl_id || entry->ctrl_id == ctrl_id) {
va_list ap;
va_start(ap, ctrl_id);
res = entry->fn((vpx_codec_alg_priv_t *)ctx->priv, ap);
va_end(ap);
break;
}
}
}
return SAVE_STATUS(ctx, res);
}
void vpx_internal_error(struct vpx_internal_error_info *info,
vpx_codec_err_t error, const char *fmt, ...) {
va_list ap;
info->error_code = error;
info->has_detail = 0;
if (fmt) {
size_t sz = sizeof(info->detail);
info->has_detail = 1;
va_start(ap, fmt);
vsnprintf(info->detail, sz - 1, fmt, ap);
va_end(ap);
info->detail[sz - 1] = '\0';
}
if (info->setjmp) longjmp(info->jmp, info->error_code);
}
Libraries/webm_mem_playback/libvpx/vpx/src/vpx_decoder.c
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/*
* 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.
*/
/*!\file
* \brief Provides the high level interface to wrap decoder algorithms.
*
*/
#include <string.h>
#include "vpx/internal/vpx_codec_internal.h"
#define SAVE_STATUS(ctx, var) (ctx ? (ctx->err = var) : var)
static vpx_codec_alg_priv_t *get_alg_priv(vpx_codec_ctx_t *ctx) {
return (vpx_codec_alg_priv_t *)ctx->priv;
}
vpx_codec_err_t vpx_codec_dec_init_ver(vpx_codec_ctx_t *ctx,
vpx_codec_iface_t *iface,
const vpx_codec_dec_cfg_t *cfg,
vpx_codec_flags_t flags, int ver) {
vpx_codec_err_t res;
if (ver != VPX_DECODER_ABI_VERSION)
res = VPX_CODEC_ABI_MISMATCH;
else if (!ctx || !iface)
res = VPX_CODEC_INVALID_PARAM;
else if (iface->abi_version != VPX_CODEC_INTERNAL_ABI_VERSION)
res = VPX_CODEC_ABI_MISMATCH;
else if ((flags & VPX_CODEC_USE_POSTPROC) &&
!(iface->caps & VPX_CODEC_CAP_POSTPROC))
res = VPX_CODEC_INCAPABLE;
else if ((flags & VPX_CODEC_USE_ERROR_CONCEALMENT) &&
!(iface->caps & VPX_CODEC_CAP_ERROR_CONCEALMENT))
res = VPX_CODEC_INCAPABLE;
else if ((flags & VPX_CODEC_USE_INPUT_FRAGMENTS) &&
!(iface->caps & VPX_CODEC_CAP_INPUT_FRAGMENTS))
res = VPX_CODEC_INCAPABLE;
else if (!(iface->caps & VPX_CODEC_CAP_DECODER))
res = VPX_CODEC_INCAPABLE;
else {
memset(ctx, 0, sizeof(*ctx));
ctx->iface = iface;
ctx->name = iface->name;
ctx->priv = NULL;
ctx->init_flags = flags;
ctx->config.dec = cfg;
res = ctx->iface->init(ctx, NULL);
if (res) {
ctx->err_detail = ctx->priv ? ctx->priv->err_detail : NULL;
vpx_codec_destroy(ctx);
}
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_err_t vpx_codec_peek_stream_info(vpx_codec_iface_t *iface,
const uint8_t *data,
unsigned int data_sz,
vpx_codec_stream_info_t *si) {
vpx_codec_err_t res;
if (!iface || !data || !data_sz || !si ||
si->sz < sizeof(vpx_codec_stream_info_t))
res = VPX_CODEC_INVALID_PARAM;
else {
/* Set default/unknown values */
si->w = 0;
si->h = 0;
res = iface->dec.peek_si(data, data_sz, si);
}
return res;
}
vpx_codec_err_t vpx_codec_get_stream_info(vpx_codec_ctx_t *ctx,
vpx_codec_stream_info_t *si) {
vpx_codec_err_t res;
if (!ctx || !si || si->sz < sizeof(vpx_codec_stream_info_t))
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv)
res = VPX_CODEC_ERROR;
else {
/* Set default/unknown values */
si->w = 0;
si->h = 0;
res = ctx->iface->dec.get_si(get_alg_priv(ctx), si);
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_err_t vpx_codec_decode(vpx_codec_ctx_t *ctx, const uint8_t *data,
unsigned int data_sz, void *user_priv,
long deadline) {
vpx_codec_err_t res;
/* Sanity checks */
/* NULL data ptr allowed if data_sz is 0 too */
if (!ctx || (!data && data_sz) || (data && !data_sz))
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv)
res = VPX_CODEC_ERROR;
else {
res = ctx->iface->dec.decode(get_alg_priv(ctx), data, data_sz, user_priv,
deadline);
}
return SAVE_STATUS(ctx, res);
}
vpx_image_t *vpx_codec_get_frame(vpx_codec_ctx_t *ctx, vpx_codec_iter_t *iter) {
vpx_image_t *img;
if (!ctx || !iter || !ctx->iface || !ctx->priv)
img = NULL;
else
img = ctx->iface->dec.get_frame(get_alg_priv(ctx), iter);
return img;
}
vpx_codec_err_t vpx_codec_register_put_frame_cb(vpx_codec_ctx_t *ctx,
vpx_codec_put_frame_cb_fn_t cb,
void *user_priv) {
vpx_codec_err_t res;
if (!ctx || !cb)
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv ||
!(ctx->iface->caps & VPX_CODEC_CAP_PUT_FRAME))
res = VPX_CODEC_ERROR;
else {
ctx->priv->dec.put_frame_cb.u.put_frame = cb;
ctx->priv->dec.put_frame_cb.user_priv = user_priv;
res = VPX_CODEC_OK;
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_err_t vpx_codec_register_put_slice_cb(vpx_codec_ctx_t *ctx,
vpx_codec_put_slice_cb_fn_t cb,
void *user_priv) {
vpx_codec_err_t res;
if (!ctx || !cb)
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv ||
!(ctx->iface->caps & VPX_CODEC_CAP_PUT_SLICE))
res = VPX_CODEC_ERROR;
else {
ctx->priv->dec.put_slice_cb.u.put_slice = cb;
ctx->priv->dec.put_slice_cb.user_priv = user_priv;
res = VPX_CODEC_OK;
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_err_t vpx_codec_set_frame_buffer_functions(
vpx_codec_ctx_t *ctx, vpx_get_frame_buffer_cb_fn_t cb_get,
vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
vpx_codec_err_t res;
if (!ctx || !cb_get || !cb_release) {
res = VPX_CODEC_INVALID_PARAM;
} else if (!ctx->iface || !ctx->priv ||
!(ctx->iface->caps & VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER)) {
res = VPX_CODEC_ERROR;
} else {
res = ctx->iface->dec.set_fb_fn(get_alg_priv(ctx), cb_get, cb_release,
cb_priv);
}
return SAVE_STATUS(ctx, res);
}
Libraries/webm_mem_playback/libvpx/vpx/src/vpx_encoder.c
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/*
* 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.
*/
/*!\file
* \brief Provides the high level interface to wrap encoder algorithms.
*
*/
#include <assert.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include "vp8/common/blockd.h"
#include "vpx_config.h"
#include "vpx/internal/vpx_codec_internal.h"
#define SAVE_STATUS(ctx, var) ((ctx) ? ((ctx)->err = (var)) : (var))
static vpx_codec_alg_priv_t *get_alg_priv(vpx_codec_ctx_t *ctx) {
return (vpx_codec_alg_priv_t *)ctx->priv;
}
vpx_codec_err_t vpx_codec_enc_init_ver(vpx_codec_ctx_t *ctx,
vpx_codec_iface_t *iface,
const vpx_codec_enc_cfg_t *cfg,
vpx_codec_flags_t flags, int ver) {
vpx_codec_err_t res;
if (ver != VPX_ENCODER_ABI_VERSION)
res = VPX_CODEC_ABI_MISMATCH;
else if (!ctx || !iface || !cfg)
res = VPX_CODEC_INVALID_PARAM;
else if (iface->abi_version != VPX_CODEC_INTERNAL_ABI_VERSION)
res = VPX_CODEC_ABI_MISMATCH;
else if (!(iface->caps & VPX_CODEC_CAP_ENCODER))
res = VPX_CODEC_INCAPABLE;
else if ((flags & VPX_CODEC_USE_PSNR) && !(iface->caps & VPX_CODEC_CAP_PSNR))
res = VPX_CODEC_INCAPABLE;
else if ((flags & VPX_CODEC_USE_OUTPUT_PARTITION) &&
!(iface->caps & VPX_CODEC_CAP_OUTPUT_PARTITION))
res = VPX_CODEC_INCAPABLE;
else {
ctx->iface = iface;
ctx->name = iface->name;
ctx->priv = NULL;
ctx->init_flags = flags;
ctx->config.enc = cfg;
res = ctx->iface->init(ctx, NULL);
if (res) {
ctx->err_detail = ctx->priv ? ctx->priv->err_detail : NULL;
vpx_codec_destroy(ctx);
}
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_err_t vpx_codec_enc_init_multi_ver(
vpx_codec_ctx_t *ctx, vpx_codec_iface_t *iface, vpx_codec_enc_cfg_t *cfg,
int num_enc, vpx_codec_flags_t flags, vpx_rational_t *dsf, int ver) {
vpx_codec_err_t res = VPX_CODEC_OK;
if (ver != VPX_ENCODER_ABI_VERSION)
res = VPX_CODEC_ABI_MISMATCH;
else if (!ctx || !iface || !cfg || (num_enc > 16 || num_enc < 1))
res = VPX_CODEC_INVALID_PARAM;
else if (iface->abi_version != VPX_CODEC_INTERNAL_ABI_VERSION)
res = VPX_CODEC_ABI_MISMATCH;
else if (!(iface->caps & VPX_CODEC_CAP_ENCODER))
res = VPX_CODEC_INCAPABLE;
else if ((flags & VPX_CODEC_USE_PSNR) && !(iface->caps & VPX_CODEC_CAP_PSNR))
res = VPX_CODEC_INCAPABLE;
else if ((flags & VPX_CODEC_USE_OUTPUT_PARTITION) &&
!(iface->caps & VPX_CODEC_CAP_OUTPUT_PARTITION))
res = VPX_CODEC_INCAPABLE;
else {
int i;
#if CONFIG_MULTI_RES_ENCODING
int mem_loc_owned = 0;
#endif
void *mem_loc = NULL;
if (iface->enc.mr_get_mem_loc == NULL) return VPX_CODEC_INCAPABLE;
if (!(res = iface->enc.mr_get_mem_loc(cfg, &mem_loc))) {
for (i = 0; i < num_enc; i++) {
vpx_codec_priv_enc_mr_cfg_t mr_cfg;
/* Validate down-sampling factor. */
if (dsf->num < 1 || dsf->num > 4096 || dsf->den < 1 ||
dsf->den > dsf->num) {
res = VPX_CODEC_INVALID_PARAM;
} else {
mr_cfg.mr_low_res_mode_info = mem_loc;
mr_cfg.mr_total_resolutions = num_enc;
mr_cfg.mr_encoder_id = num_enc - 1 - i;
mr_cfg.mr_down_sampling_factor.num = dsf->num;
mr_cfg.mr_down_sampling_factor.den = dsf->den;
ctx->iface = iface;
ctx->name = iface->name;
ctx->priv = NULL;
ctx->init_flags = flags;
ctx->config.enc = cfg;
res = ctx->iface->init(ctx, &mr_cfg);
}
if (res) {
const char *error_detail = ctx->priv ? ctx->priv->err_detail : NULL;
/* Destroy current ctx */
ctx->err_detail = error_detail;
vpx_codec_destroy(ctx);
/* Destroy already allocated high-level ctx */
while (i) {
ctx--;
ctx->err_detail = error_detail;
vpx_codec_destroy(ctx);
i--;
}
#if CONFIG_MULTI_RES_ENCODING
if (!mem_loc_owned) {
assert(mem_loc);
free(((LOWER_RES_FRAME_INFO *)mem_loc)->mb_info);
free(mem_loc);
}
#endif
return SAVE_STATUS(ctx, res);
}
#if CONFIG_MULTI_RES_ENCODING
mem_loc_owned = 1;
#endif
ctx++;
cfg++;
dsf++;
}
ctx--;
}
}
return SAVE_STATUS(ctx, res);
}
vpx_codec_err_t vpx_codec_enc_config_default(vpx_codec_iface_t *iface,
vpx_codec_enc_cfg_t *cfg,
unsigned int usage) {
vpx_codec_err_t res;
vpx_codec_enc_cfg_map_t *map;
int i;
if (!iface || !cfg || usage != 0)
res = VPX_CODEC_INVALID_PARAM;
else if (!(iface->caps & VPX_CODEC_CAP_ENCODER))
res = VPX_CODEC_INCAPABLE;
else {
res = VPX_CODEC_INVALID_PARAM;
for (i = 0; i < iface->enc.cfg_map_count; ++i) {
map = iface->enc.cfg_maps + i;
*cfg = map->cfg;
res = VPX_CODEC_OK;
break;
}
}
return res;
}
#if VPX_ARCH_X86 || VPX_ARCH_X86_64
/* On X86, disable the x87 unit's internal 80 bit precision for better
* consistency with the SSE unit's 64 bit precision.
*/
#include "vpx_ports/x86.h"
#define FLOATING_POINT_INIT() \
do { \
unsigned short x87_orig_mode = x87_set_double_precision();
#define FLOATING_POINT_RESTORE() \
x87_set_control_word(x87_orig_mode); \
} \
while (0)
#else
static void FLOATING_POINT_INIT() {}
static void FLOATING_POINT_RESTORE() {}
#endif
vpx_codec_err_t vpx_codec_encode(vpx_codec_ctx_t *ctx, const vpx_image_t *img,
vpx_codec_pts_t pts, unsigned long duration,
vpx_enc_frame_flags_t flags,
unsigned long deadline) {
vpx_codec_err_t res = VPX_CODEC_OK;
if (!ctx || (img && !duration))
res = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv)
res = VPX_CODEC_ERROR;
else if (!(ctx->iface->caps & VPX_CODEC_CAP_ENCODER))
res = VPX_CODEC_INCAPABLE;
else {
unsigned int num_enc = ctx->priv->enc.total_encoders;
/* Execute in a normalized floating point environment, if the platform
* requires it.
*/
FLOATING_POINT_INIT();
if (num_enc == 1)
res = ctx->iface->enc.encode(get_alg_priv(ctx), img, pts, duration, flags,
deadline);
else {
/* Multi-resolution encoding:
* Encode multi-levels in reverse order. For example,
* if mr_total_resolutions = 3, first encode level 2,
* then encode level 1, and finally encode level 0.
*/
int i;
ctx += num_enc - 1;
if (img) img += num_enc - 1;
for (i = num_enc - 1; i >= 0; i--) {
if ((res = ctx->iface->enc.encode(get_alg_priv(ctx), img, pts, duration,
flags, deadline)))
break;
ctx--;
if (img) img--;
}
ctx++;
}
FLOATING_POINT_RESTORE();
}
return SAVE_STATUS(ctx, res);
}
const vpx_codec_cx_pkt_t *vpx_codec_get_cx_data(vpx_codec_ctx_t *ctx,
vpx_codec_iter_t *iter) {
const vpx_codec_cx_pkt_t *pkt = NULL;
if (ctx) {
if (!iter)
ctx->err = VPX_CODEC_INVALID_PARAM;
else if (!ctx->iface || !ctx->priv)
ctx->err = VPX_CODEC_ERROR;
else if (!(ctx->iface->caps & VPX_CODEC_CAP_ENCODER))
ctx->err = VPX_CODEC_INCAPABLE;
else
pkt = ctx->iface->enc.get_cx_data(get_alg_priv(ctx), iter);
}
if (pkt && pkt->kind == VPX_CODEC_CX_FRAME_PKT) {
// If the application has specified a destination area for the
// compressed data, and the codec has not placed the data there,
// and it fits, copy it.
vpx_codec_priv_t *const priv = ctx->priv;
char *const dst_buf = (char *)priv->enc.cx_data_dst_buf.buf;
if (dst_buf && pkt->data.raw.buf != dst_buf &&
pkt->data.raw.sz + priv->enc.cx_data_pad_before +
priv->enc.cx_data_pad_after <=
priv->enc.cx_data_dst_buf.sz) {
vpx_codec_cx_pkt_t *modified_pkt = &priv->enc.cx_data_pkt;
memcpy(dst_buf + priv->enc.cx_data_pad_before, pkt->data.raw.buf,
pkt->data.raw.sz);
*modified_pkt = *pkt;
modified_pkt->data.raw.buf = dst_buf;
modified_pkt->data.raw.sz +=
priv->enc.cx_data_pad_before + priv->enc.cx_data_pad_after;
pkt = modified_pkt;
}
if (dst_buf == pkt->data.raw.buf) {
priv->enc.cx_data_dst_buf.buf = dst_buf + pkt->data.raw.sz;
priv->enc.cx_data_dst_buf.sz -= pkt->data.raw.sz;
}
}
return pkt;
}
vpx_codec_err_t vpx_codec_set_cx_data_buf(vpx_codec_ctx_t *ctx,
const vpx_fixed_buf_t *buf,
unsigned int pad_before,
unsigned int pad_after) {
if (!ctx || !ctx->priv) return VPX_CODEC_INVALID_PARAM;
if (buf) {
ctx->priv->enc.cx_data_dst_buf = *buf;
ctx->priv->enc.cx_data_pad_before = pad_before;
ctx->priv->enc.cx_data_pad_after = pad_after;
} else {
ctx->priv->enc.cx_data_dst_buf.buf = NULL;
ctx->priv->enc.cx_data_dst_buf.sz = 0;
ctx->priv->enc.cx_data_pad_before = 0;
ctx->priv->enc.cx_data_pad_after = 0;
}
return VPX_CODEC_OK;
}
const vpx_image_t *vpx_codec_get_preview_frame(vpx_codec_ctx_t *ctx) {
vpx_image_t *img = NULL;
if (ctx) {
if (!ctx->iface || !ctx->priv)
ctx->err = VPX_CODEC_ERROR;
else if (!(ctx->iface->caps & VPX_CODEC_CAP_ENCODER))
ctx->err = VPX_CODEC_INCAPABLE;
else if (!ctx->iface->enc.get_preview)
ctx->err = VPX_CODEC_INCAPABLE;
else
img = ctx->iface->enc.get_preview(get_alg_priv(ctx));
}
return img;
}
vpx_fixed_buf_t *vpx_codec_get_global_headers(vpx_codec_ctx_t *ctx) {
vpx_fixed_buf_t *buf = NULL;
if (ctx) {
if (!ctx->iface || !ctx->priv)
ctx->err = VPX_CODEC_ERROR;
else if (!(ctx->iface->caps & VPX_CODEC_CAP_ENCODER))
ctx->err = VPX_CODEC_INCAPABLE;
else if (!ctx->iface->enc.get_glob_hdrs)
ctx->err = VPX_CODEC_INCAPABLE;
else
buf = ctx->iface->enc.get_glob_hdrs(get_alg_priv(ctx));
}
return buf;
}
vpx_codec_err_t vpx_codec_enc_config_set(vpx_codec_ctx_t *ctx,
const vpx_codec_enc_cfg_t *cfg) {
vpx_codec_err_t res;
if (!ctx || !ctx->iface || !ctx->priv || !cfg)
res = VPX_CODEC_INVALID_PARAM;
else if (!(ctx->iface->caps & VPX_CODEC_CAP_ENCODER))
res = VPX_CODEC_INCAPABLE;
else
res = ctx->iface->enc.cfg_set(get_alg_priv(ctx), cfg);
return SAVE_STATUS(ctx, res);
}
int vpx_codec_pkt_list_add(struct vpx_codec_pkt_list *list,
const struct vpx_codec_cx_pkt *pkt) {
if (list->cnt < list->max) {
list->pkts[list->cnt++] = *pkt;
return 0;
}
return 1;
}
const vpx_codec_cx_pkt_t *vpx_codec_pkt_list_get(
struct vpx_codec_pkt_list *list, vpx_codec_iter_t *iter) {
const vpx_codec_cx_pkt_t *pkt;
if (!(*iter)) {
*iter = list->pkts;
}
pkt = (const vpx_codec_cx_pkt_t *)*iter;
if ((size_t)(pkt - list->pkts) < list->cnt)
*iter = pkt + 1;
else
pkt = NULL;
return pkt;
}
Libraries/webm_mem_playback/libvpx/vpx/src/vpx_image.c
+228
View File
@@ -0,0 +1,228 @@
/*
* 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_image.h"
#include "vpx/vpx_integer.h"
#include "vpx_mem/vpx_mem.h"
static vpx_image_t *img_alloc_helper(vpx_image_t *img, vpx_img_fmt_t fmt,
unsigned int d_w, unsigned int d_h,
unsigned int buf_align,
unsigned int stride_align,
unsigned char *img_data) {
unsigned int h, w, s, xcs, ycs, bps;
unsigned int stride_in_bytes;
int align;
/* Treat align==0 like align==1 */
if (!buf_align) buf_align = 1;
/* Validate alignment (must be power of 2) */
if (buf_align & (buf_align - 1)) goto fail;
/* Treat align==0 like align==1 */
if (!stride_align) stride_align = 1;
/* Validate alignment (must be power of 2) */
if (stride_align & (stride_align - 1)) goto fail;
/* Get sample size for this format */
switch (fmt) {
case VPX_IMG_FMT_I420:
case VPX_IMG_FMT_YV12: bps = 12; break;
case VPX_IMG_FMT_I422:
case VPX_IMG_FMT_I440: bps = 16; break;
case VPX_IMG_FMT_I444: bps = 24; break;
case VPX_IMG_FMT_I42016: bps = 24; break;
case VPX_IMG_FMT_I42216:
case VPX_IMG_FMT_I44016: bps = 32; break;
case VPX_IMG_FMT_I44416: bps = 48; break;
default: bps = 16; break;
}
/* Get chroma shift values for this format */
switch (fmt) {
case VPX_IMG_FMT_I420:
case VPX_IMG_FMT_YV12:
case VPX_IMG_FMT_I422:
case VPX_IMG_FMT_I42016:
case VPX_IMG_FMT_I42216: xcs = 1; break;
default: xcs = 0; break;
}
switch (fmt) {
case VPX_IMG_FMT_I420:
case VPX_IMG_FMT_I440:
case VPX_IMG_FMT_YV12:
case VPX_IMG_FMT_I42016:
case VPX_IMG_FMT_I44016: ycs = 1; break;
default: ycs = 0; break;
}
/* Calculate storage sizes. If the buffer was allocated externally, the width
* and height shouldn't be adjusted. */
w = d_w;
h = d_h;
s = (fmt & VPX_IMG_FMT_PLANAR) ? w : bps * w / 8;
s = (s + stride_align - 1) & ~(stride_align - 1);
stride_in_bytes = (fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? s * 2 : s;
/* Allocate the new image */
if (!img) {
img = (vpx_image_t *)calloc(1, sizeof(vpx_image_t));
if (!img) goto fail;
img->self_allocd = 1;
} else {
memset(img, 0, sizeof(vpx_image_t));
}
img->img_data = img_data;
if (!img_data) {
uint64_t alloc_size;
/* Calculate storage sizes given the chroma subsampling */
align = (1 << xcs) - 1;
w = (d_w + align) & ~align;
align = (1 << ycs) - 1;
h = (d_h + align) & ~align;
s = (fmt & VPX_IMG_FMT_PLANAR) ? w : bps * w / 8;
s = (s + stride_align - 1) & ~(stride_align - 1);
stride_in_bytes = (fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? s * 2 : s;
alloc_size = (fmt & VPX_IMG_FMT_PLANAR) ? (uint64_t)h * s * bps / 8
: (uint64_t)h * s;
if (alloc_size != (size_t)alloc_size) goto fail;
img->img_data = (uint8_t *)vpx_memalign(buf_align, (size_t)alloc_size);
img->img_data_owner = 1;
}
if (!img->img_data) goto fail;
img->fmt = fmt;
img->bit_depth = (fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 16 : 8;
img->w = w;
img->h = h;
img->x_chroma_shift = xcs;
img->y_chroma_shift = ycs;
img->bps = bps;
/* Calculate strides */
img->stride[VPX_PLANE_Y] = img->stride[VPX_PLANE_ALPHA] = stride_in_bytes;
img->stride[VPX_PLANE_U] = img->stride[VPX_PLANE_V] = stride_in_bytes >> xcs;
/* Default viewport to entire image */
if (!vpx_img_set_rect(img, 0, 0, d_w, d_h)) return img;
fail:
vpx_img_free(img);
return NULL;
}
vpx_image_t *vpx_img_alloc(vpx_image_t *img, vpx_img_fmt_t fmt,
unsigned int d_w, unsigned int d_h,
unsigned int align) {
return img_alloc_helper(img, fmt, d_w, d_h, align, align, NULL);
}
vpx_image_t *vpx_img_wrap(vpx_image_t *img, vpx_img_fmt_t fmt, unsigned int d_w,
unsigned int d_h, unsigned int stride_align,
unsigned char *img_data) {
/* By setting buf_align = 1, we don't change buffer alignment in this
* function. */
return img_alloc_helper(img, fmt, d_w, d_h, 1, stride_align, img_data);
}
int vpx_img_set_rect(vpx_image_t *img, unsigned int x, unsigned int y,
unsigned int w, unsigned int h) {
unsigned char *data;
if (x + w <= img->w && y + h <= img->h) {
img->d_w = w;
img->d_h = h;
/* Calculate plane pointers */
if (!(img->fmt & VPX_IMG_FMT_PLANAR)) {
img->planes[VPX_PLANE_PACKED] =
img->img_data + x * img->bps / 8 + y * img->stride[VPX_PLANE_PACKED];
} else {
const int bytes_per_sample =
(img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) ? 2 : 1;
data = img->img_data;
if (img->fmt & VPX_IMG_FMT_HAS_ALPHA) {
img->planes[VPX_PLANE_ALPHA] =
data + x * bytes_per_sample + y * img->stride[VPX_PLANE_ALPHA];
data += img->h * img->stride[VPX_PLANE_ALPHA];
}
img->planes[VPX_PLANE_Y] =
data + x * bytes_per_sample + y * img->stride[VPX_PLANE_Y];
data += img->h * img->stride[VPX_PLANE_Y];
if (!(img->fmt & VPX_IMG_FMT_UV_FLIP)) {
img->planes[VPX_PLANE_U] =
data + (x >> img->x_chroma_shift) * bytes_per_sample +
(y >> img->y_chroma_shift) * img->stride[VPX_PLANE_U];
data += (img->h >> img->y_chroma_shift) * img->stride[VPX_PLANE_U];
img->planes[VPX_PLANE_V] =
data + (x >> img->x_chroma_shift) * bytes_per_sample +
(y >> img->y_chroma_shift) * img->stride[VPX_PLANE_V];
} else {
img->planes[VPX_PLANE_V] =
data + (x >> img->x_chroma_shift) * bytes_per_sample +
(y >> img->y_chroma_shift) * img->stride[VPX_PLANE_V];
data += (img->h >> img->y_chroma_shift) * img->stride[VPX_PLANE_V];
img->planes[VPX_PLANE_U] =
data + (x >> img->x_chroma_shift) * bytes_per_sample +
(y >> img->y_chroma_shift) * img->stride[VPX_PLANE_U];
}
}
return 0;
}
return -1;
}
void vpx_img_flip(vpx_image_t *img) {
/* Note: In the calculation pointer adjustment calculation, we want the
* rhs to be promoted to a signed type. Section 6.3.1.8 of the ISO C99
* standard indicates that if the adjustment parameter is unsigned, the
* stride parameter will be promoted to unsigned, causing errors when
* the lhs is a larger type than the rhs.
*/
img->planes[VPX_PLANE_Y] += (signed)(img->d_h - 1) * img->stride[VPX_PLANE_Y];
img->stride[VPX_PLANE_Y] = -img->stride[VPX_PLANE_Y];
img->planes[VPX_PLANE_U] += (signed)((img->d_h >> img->y_chroma_shift) - 1) *
img->stride[VPX_PLANE_U];
img->stride[VPX_PLANE_U] = -img->stride[VPX_PLANE_U];
img->planes[VPX_PLANE_V] += (signed)((img->d_h >> img->y_chroma_shift) - 1) *
img->stride[VPX_PLANE_V];
img->stride[VPX_PLANE_V] = -img->stride[VPX_PLANE_V];
img->planes[VPX_PLANE_ALPHA] +=
(signed)(img->d_h - 1) * img->stride[VPX_PLANE_ALPHA];
img->stride[VPX_PLANE_ALPHA] = -img->stride[VPX_PLANE_ALPHA];
}
void vpx_img_free(vpx_image_t *img) {
if (img) {
if (img->img_data && img->img_data_owner) vpx_free(img->img_data);
if (img->self_allocd) free(img);
}
}