diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx/src')
| -rw-r--r-- | media/libvpx/libvpx/vpx/src/vpx_codec.c | 133 | ||||
| -rw-r--r-- | media/libvpx/libvpx/vpx/src/vpx_decoder.c | 191 | ||||
| -rw-r--r-- | media/libvpx/libvpx/vpx/src/vpx_encoder.c | 382 | ||||
| -rw-r--r-- | media/libvpx/libvpx/vpx/src/vpx_image.c | 237 |
4 files changed, 943 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx/src/vpx_codec.c b/media/libvpx/libvpx/vpx/src/vpx_codec.c new file mode 100644 index 0000000000..24528d860a --- /dev/null +++ b/media/libvpx/libvpx/vpx/src/vpx_codec.c @@ -0,0 +1,133 @@ +/* + * 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(const 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(const 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->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); +} diff --git a/media/libvpx/libvpx/vpx/src/vpx_decoder.c b/media/libvpx/libvpx/vpx/src/vpx_decoder.c new file mode 100644 index 0000000000..427cd1bf43 --- /dev/null +++ b/media/libvpx/libvpx/vpx/src/vpx_decoder.c @@ -0,0 +1,191 @@ +/* + * 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) + res = VPX_CODEC_ERROR; + else if (!(ctx->iface->caps & VPX_CODEC_CAP_PUT_FRAME)) + res = VPX_CODEC_INCAPABLE; + 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) + res = VPX_CODEC_ERROR; + else if (!(ctx->iface->caps & VPX_CODEC_CAP_PUT_SLICE)) + res = VPX_CODEC_INCAPABLE; + 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) { + res = VPX_CODEC_ERROR; + } else if (!(ctx->iface->caps & VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER)) { + res = VPX_CODEC_INCAPABLE; + } else { + res = ctx->iface->dec.set_fb_fn(get_alg_priv(ctx), cb_get, cb_release, + cb_priv); + } + + return SAVE_STATUS(ctx, res); +} diff --git a/media/libvpx/libvpx/vpx/src/vpx_encoder.c b/media/libvpx/libvpx/vpx/src/vpx_encoder.c new file mode 100644 index 0000000000..0d6e48015a --- /dev/null +++ b/media/libvpx/libvpx/vpx/src/vpx_encoder.c @@ -0,0 +1,382 @@ +/* + * 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) { + // IMPORTANT: ctx->priv->err_detail must be null or point to a string + // that remains valid after ctx->priv is destroyed, such as a C string + // literal. This makes it safe to call vpx_codec_error_detail() after + // vpx_codec_enc_init_ver() failed. + 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; + + if (!iface || !cfg || usage != 0) + res = VPX_CODEC_INVALID_PARAM; + else if (!(iface->caps & VPX_CODEC_CAP_ENCODER)) + res = VPX_CODEC_INCAPABLE; + else { + assert(iface->enc.cfg_map_count == 1); + *cfg = iface->enc.cfg_maps->cfg; + res = VPX_CODEC_OK; + } + + 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; +} diff --git a/media/libvpx/libvpx/vpx/src/vpx_image.c b/media/libvpx/libvpx/vpx/src/vpx_image.c new file mode 100644 index 0000000000..f9f0dd6025 --- /dev/null +++ b/media/libvpx/libvpx/vpx/src/vpx_image.c @@ -0,0 +1,237 @@ +/* + * 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 <limits.h> +#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; + unsigned int align; + + if (img != NULL) memset(img, 0, sizeof(vpx_image_t)); + + /* 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: + case VPX_IMG_FMT_NV12: 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 */ + // For VPX_IMG_FMT_NV12, xcs needs to be 0 such that UV data is all read at + // one time. + 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_NV12: + 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; + } + + 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) { + if (x <= UINT_MAX - w && x + w <= img->w && y <= UINT_MAX - h && + 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; + unsigned char *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_NV12) { + img->planes[VPX_PLANE_U] = + data + (x >> img->x_chroma_shift) + + (y >> img->y_chroma_shift) * img->stride[VPX_PLANE_U]; + img->planes[VPX_PLANE_V] = img->planes[VPX_PLANE_U] + 1; + } else 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); + } +} |