| /* |
| * 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_version.h" |
| |
| #include "vpx/internal/vpx_codec_internal.h" |
| #include "vpx/vp8dx.h" |
| #include "vpx/vpx_decoder.h" |
| |
| #include "vp9/common/vp9_frame_buffers.h" |
| |
| #include "vp9/decoder/vp9_decoder.h" |
| #include "vp9/decoder/vp9_decodeframe.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; |
| |
| struct vpx_codec_alg_priv { |
| vpx_codec_priv_t base; |
| vpx_codec_dec_cfg_t cfg; |
| vp9_stream_info_t si; |
| struct VP9Decoder *pbi; |
| int postproc_cfg_set; |
| vp8_postproc_cfg_t postproc_cfg; |
| vpx_decrypt_cb decrypt_cb; |
| void *decrypt_state; |
| vpx_image_t img; |
| int img_avail; |
| int flushed; |
| int invert_tile_order; |
| int frame_parallel_decode; // frame-based threading. |
| |
| // 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 vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx, |
| vpx_codec_priv_enc_mr_cfg_t *data) { |
| // 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. |
| (void)data; |
| |
| if (!ctx->priv) { |
| vpx_codec_alg_priv_t *alg_priv = vpx_memalign(32, sizeof(*alg_priv)); |
| if (alg_priv == NULL) |
| return VPX_CODEC_MEM_ERROR; |
| |
| vp9_zero(*alg_priv); |
| |
| ctx->priv = (vpx_codec_priv_t *)alg_priv; |
| ctx->priv->sz = sizeof(*ctx->priv); |
| ctx->priv->iface = ctx->iface; |
| ctx->priv->alg_priv = alg_priv; |
| ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si); |
| ctx->priv->init_flags = ctx->init_flags; |
| ctx->priv->alg_priv->flushed = 0; |
| ctx->priv->alg_priv->frame_parallel_decode = |
| (ctx->init_flags & VPX_CODEC_USE_FRAME_THREADING); |
| |
| // Disable frame parallel decoding for now. |
| ctx->priv->alg_priv->frame_parallel_decode = 0; |
| |
| 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; |
| } |
| } |
| |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) { |
| if (ctx->pbi) { |
| vp9_decoder_remove(ctx->pbi); |
| ctx->pbi = NULL; |
| } |
| |
| vpx_free(ctx); |
| |
| return VPX_CODEC_OK; |
| } |
| |
| static int parse_bitdepth_colorspace_sampling( |
| BITSTREAM_PROFILE profile, struct vp9_read_bit_buffer *rb) { |
| const int sRGB = 7; |
| int colorspace; |
| if (profile >= PROFILE_2) |
| rb->bit_offset += 1; // Bit-depth 10 or 12. |
| colorspace = vp9_rb_read_literal(rb, 3); |
| if (colorspace != sRGB) { |
| rb->bit_offset += 1; // [16,235] (including xvycc) vs [0,255] range. |
| if (profile == PROFILE_1 || profile == PROFILE_3) { |
| rb->bit_offset += 2; // subsampling x/y. |
| rb->bit_offset += 1; // unused. |
| } |
| } else { |
| if (profile == PROFILE_1 || profile == PROFILE_3) { |
| rb->bit_offset += 1; // unused |
| } else { |
| // RGB is only available in version 1. |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data, |
| unsigned int data_sz, |
| vpx_codec_stream_info_t *si, |
| int *is_intra_only, |
| vpx_decrypt_cb decrypt_cb, |
| void *decrypt_state) { |
| int intra_only_flag = 0; |
| uint8_t clear_buffer[9]; |
| |
| if (data + data_sz <= data) |
| return VPX_CODEC_INVALID_PARAM; |
| |
| si->is_kf = 0; |
| si->w = si->h = 0; |
| |
| if (decrypt_cb) { |
| data_sz = MIN(sizeof(clear_buffer), data_sz); |
| decrypt_cb(decrypt_state, data, clear_buffer, data_sz); |
| data = clear_buffer; |
| } |
| |
| { |
| int show_frame; |
| int error_resilient; |
| struct vp9_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL }; |
| const int frame_marker = vp9_rb_read_literal(&rb, 2); |
| const BITSTREAM_PROFILE profile = vp9_read_profile(&rb); |
| |
| if (frame_marker != VP9_FRAME_MARKER) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| |
| if (profile >= MAX_PROFILES) return VPX_CODEC_UNSUP_BITSTREAM; |
| |
| if (vp9_rb_read_bit(&rb)) { // show an existing frame |
| vp9_rb_read_literal(&rb, 3); // Frame buffer to show. |
| return VPX_CODEC_OK; |
| } |
| |
| if (data_sz <= 8) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| |
| si->is_kf = !vp9_rb_read_bit(&rb); |
| show_frame = vp9_rb_read_bit(&rb); |
| error_resilient = vp9_rb_read_bit(&rb); |
| |
| if (si->is_kf) { |
| if (!vp9_read_sync_code(&rb)) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| |
| if (!parse_bitdepth_colorspace_sampling(profile, &rb)) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h); |
| } else { |
| intra_only_flag = show_frame ? 0 : vp9_rb_read_bit(&rb); |
| |
| rb.bit_offset += error_resilient ? 0 : 2; // reset_frame_context |
| |
| if (intra_only_flag) { |
| if (!vp9_read_sync_code(&rb)) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| if (profile > PROFILE_0) { |
| if (!parse_bitdepth_colorspace_sampling(profile, &rb)) |
| return VPX_CODEC_UNSUP_BITSTREAM; |
| } |
| rb.bit_offset += REF_FRAMES; // refresh_frame_flags |
| vp9_read_frame_size(&rb, (int *)&si->w, (int *)&si->h); |
| } |
| } |
| } |
| if (is_intra_only != NULL) |
| *is_intra_only = intra_only_flag; |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_err_t decoder_peek_si(const uint8_t *data, |
| unsigned int data_sz, |
| vpx_codec_stream_info_t *si) { |
| return decoder_peek_si_internal(data, data_sz, si, NULL, NULL, NULL); |
| } |
| |
| static vpx_codec_err_t decoder_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 = (unsigned int)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 void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) { |
| VP9_COMMON *const cm = &ctx->pbi->common; |
| |
| 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; |
| } |
| } |
| |
| static void set_default_ppflags(vp8_postproc_cfg_t *cfg) { |
| cfg->post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK; |
| cfg->deblocking_level = 4; |
| cfg->noise_level = 0; |
| } |
| |
| static void set_ppflags(const vpx_codec_alg_priv_t *ctx, |
| vp9_ppflags_t *flags) { |
| flags->post_proc_flag = |
| ctx->postproc_cfg.post_proc_flag; |
| |
| flags->deblocking_level = ctx->postproc_cfg.deblocking_level; |
| flags->noise_level = ctx->postproc_cfg.noise_level; |
| } |
| |
| static void init_decoder(vpx_codec_alg_priv_t *ctx) { |
| ctx->pbi = vp9_decoder_create(); |
| if (ctx->pbi == NULL) |
| return; |
| |
| ctx->pbi->max_threads = ctx->cfg.threads; |
| ctx->pbi->inv_tile_order = ctx->invert_tile_order; |
| ctx->pbi->frame_parallel_decode = ctx->frame_parallel_decode; |
| |
| // 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)) |
| set_default_ppflags(&ctx->postproc_cfg); |
| |
| init_buffer_callbacks(ctx); |
| } |
| |
| 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) { |
| YV12_BUFFER_CONFIG sd; |
| vp9_ppflags_t flags = {0, 0, 0}; |
| VP9_COMMON *cm = NULL; |
| |
| (void)deadline; |
| |
| vp9_zero(sd); |
| 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) { |
| int is_intra_only = 0; |
| const vpx_codec_err_t res = |
| decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only, |
| ctx->decrypt_cb, ctx->decrypt_state); |
| if (res != VPX_CODEC_OK) |
| return res; |
| |
| if (!ctx->si.is_kf && !is_intra_only) |
| return VPX_CODEC_ERROR; |
| } |
| |
| // Initialize the decoder instance on the first frame |
| if (ctx->pbi == NULL) { |
| init_decoder(ctx); |
| if (ctx->pbi == NULL) |
| return VPX_CODEC_ERROR; |
| } |
| |
| // Set these even if already initialized. The caller may have changed the |
| // decrypt config between frames. |
| ctx->pbi->decrypt_cb = ctx->decrypt_cb; |
| ctx->pbi->decrypt_state = ctx->decrypt_state; |
| |
| cm = &ctx->pbi->common; |
| |
| if (vp9_receive_compressed_data(ctx->pbi, data_sz, data)) |
| return update_error_state(ctx, &cm->error); |
| |
| if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) |
| set_ppflags(ctx, &flags); |
| |
| if (vp9_get_raw_frame(ctx->pbi, &sd, &flags)) |
| return update_error_state(ctx, &cm->error); |
| |
| 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 VPX_CODEC_OK; |
| } |
| |
| static INLINE uint8_t read_marker(vpx_decrypt_cb decrypt_cb, |
| void *decrypt_state, |
| const uint8_t *data) { |
| if (decrypt_cb) { |
| uint8_t marker; |
| decrypt_cb(decrypt_state, data, &marker, 1); |
| return marker; |
| } |
| return *data; |
| } |
| |
| static vpx_codec_err_t parse_superframe_index(const uint8_t *data, |
| size_t data_sz, |
| uint32_t sizes[8], int *count, |
| vpx_decrypt_cb decrypt_cb, |
| void *decrypt_state) { |
| // A chunk ending with a byte matching 0xc0 is an invalid chunk unless |
| // it is a super frame index. If the last byte of real video compression |
| // data is 0xc0 the encoder must add a 0 byte. If we have the marker but |
| // not the associated matching marker byte at the front of the index we have |
| // an invalid bitstream and need to return an error. |
| |
| uint8_t marker; |
| |
| assert(data_sz); |
| marker = read_marker(decrypt_cb, decrypt_state, 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; |
| |
| // This chunk is marked as having a superframe index but doesn't have |
| // enough data for it, thus it's an invalid superframe index. |
| if (data_sz < index_sz) |
| return VPX_CODEC_CORRUPT_FRAME; |
| |
| { |
| const uint8_t marker2 = read_marker(decrypt_cb, decrypt_state, |
| data + data_sz - index_sz); |
| |
| // This chunk is marked as having a superframe index but doesn't have |
| // the matching marker byte at the front of the index therefore it's an |
| // invalid chunk. |
| if (marker != marker2) |
| return VPX_CODEC_CORRUPT_FRAME; |
| } |
| |
| { |
| // Found a valid superframe index. |
| uint32_t i, j; |
| const uint8_t *x = &data[data_sz - index_sz + 1]; |
| |
| // Frames has a maximum of 8 and mag has a maximum of 4. |
| uint8_t clear_buffer[32]; |
| assert(sizeof(clear_buffer) >= frames * mag); |
| if (decrypt_cb) { |
| decrypt_cb(decrypt_state, x, clear_buffer, frames * mag); |
| x = clear_buffer; |
| } |
| |
| 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; |
| } |
| } |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_err_t decoder_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 * const data_end = data + data_sz; |
| vpx_codec_err_t res; |
| uint32_t frame_sizes[8]; |
| int frame_count; |
| |
| if (data == NULL && data_sz == 0) { |
| ctx->flushed = 1; |
| return VPX_CODEC_OK; |
| } |
| |
| // Reset flushed when receiving a valid frame. |
| ctx->flushed = 0; |
| |
| res = parse_superframe_index(data, data_sz, frame_sizes, &frame_count, |
| ctx->decrypt_cb, ctx->decrypt_state); |
| if (res != VPX_CODEC_OK) |
| return res; |
| |
| if (ctx->frame_parallel_decode) { |
| // Decode in frame parallel mode. When decoding in this mode, the frame |
| // passed to the decoder must be either a normal frame or a superframe with |
| // superframe index so the decoder could get each frame's start position |
| // in the superframe. |
| if (frame_count > 0) { |
| int i; |
| |
| for (i = 0; i < frame_count; ++i) { |
| const uint8_t *data_start_copy = data_start; |
| const uint32_t frame_size = frame_sizes[i]; |
| vpx_codec_err_t res; |
| if (data_start < data |
| || frame_size > (uint32_t) (data_end - data_start)) { |
| ctx->base.err_detail = "Invalid frame size in index"; |
| return VPX_CODEC_CORRUPT_FRAME; |
| } |
| |
| res = decode_one(ctx, &data_start_copy, frame_size, user_priv, |
| deadline); |
| if (res != VPX_CODEC_OK) |
| return res; |
| |
| data_start += frame_size; |
| } |
| } else { |
| res = decode_one(ctx, &data_start, data_sz, user_priv, deadline); |
| if (res != VPX_CODEC_OK) |
| return res; |
| |
| // Extra data detected after the frame. |
| if (data_start < data_end - 1) { |
| ctx->base.err_detail = "Fail to decode frame in parallel mode"; |
| return VPX_CODEC_INCAPABLE; |
| } |
| } |
| } else { |
| // Decode in serial mode. |
| if (frame_count > 0) { |
| int i; |
| |
| for (i = 0; i < frame_count; ++i) { |
| const uint8_t *data_start_copy = data_start; |
| const uint32_t frame_size = frame_sizes[i]; |
| vpx_codec_err_t res; |
| if (data_start < data |
| || frame_size > (uint32_t) (data_end - data_start)) { |
| ctx->base.err_detail = "Invalid frame size in index"; |
| return VPX_CODEC_CORRUPT_FRAME; |
| } |
| |
| res = decode_one(ctx, &data_start_copy, frame_size, user_priv, |
| deadline); |
| if (res != VPX_CODEC_OK) |
| return res; |
| |
| data_start += frame_size; |
| } |
| } else { |
| while (data_start < data_end) { |
| const uint32_t frame_size = (uint32_t) (data_end - data_start); |
| const vpx_codec_err_t res = decode_one(ctx, &data_start, frame_size, |
| user_priv, deadline); |
| if (res != VPX_CODEC_OK) |
| return res; |
| |
| // Account for suboptimal termination by the encoder. |
| while (data_start < data_end) { |
| const uint8_t marker = read_marker(ctx->decrypt_cb, |
| ctx->decrypt_state, data_start); |
| if (marker) |
| break; |
| ++data_start; |
| } |
| } |
| } |
| } |
| |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_image_t *decoder_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 decoder_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 ctrl_set_reference(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| vpx_ref_frame_t *const data = va_arg(args, vpx_ref_frame_t *); |
| |
| if (data) { |
| vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data; |
| YV12_BUFFER_CONFIG sd; |
| |
| image2yuvconfig(&frame->img, &sd); |
| return vp9_set_reference_dec(&ctx->pbi->common, |
| (VP9_REFFRAME)frame->frame_type, &sd); |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx, |
| 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 ctrl_get_reference(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *); |
| |
| if (data) { |
| YV12_BUFFER_CONFIG* fb = get_ref_frame(&ctx->pbi->common, data->idx); |
| if (fb == NULL) return VPX_CODEC_ERROR; |
| |
| yuvconfig2image(&data->img, fb, NULL); |
| return VPX_CODEC_OK; |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t ctrl_set_postproc(vpx_codec_alg_priv_t *ctx, |
| 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 |
| (void)ctx; |
| (void)args; |
| return VPX_CODEC_INCAPABLE; |
| #endif |
| } |
| |
| static vpx_codec_err_t ctrl_set_dbg_options(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| (void)ctx; |
| (void)args; |
| return VPX_CODEC_INCAPABLE; |
| } |
| |
| static vpx_codec_err_t ctrl_get_last_ref_updates(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *const update_info = va_arg(args, int *); |
| |
| if (update_info) { |
| if (ctx->pbi) |
| *update_info = ctx->pbi->refresh_frame_flags; |
| else |
| return VPX_CODEC_ERROR; |
| return VPX_CODEC_OK; |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| |
| static vpx_codec_err_t ctrl_get_frame_corrupted(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *corrupted = va_arg(args, int *); |
| |
| if (corrupted) { |
| if (ctx->pbi) |
| *corrupted = ctx->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 ctrl_get_display_size(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| int *const display_size = va_arg(args, int *); |
| |
| if (display_size) { |
| if (ctx->pbi) { |
| const VP9_COMMON *const cm = &ctx->pbi->common; |
| display_size[0] = cm->display_width; |
| display_size[1] = cm->display_height; |
| } else { |
| return VPX_CODEC_ERROR; |
| } |
| return VPX_CODEC_OK; |
| } else { |
| return VPX_CODEC_INVALID_PARAM; |
| } |
| } |
| |
| static vpx_codec_err_t ctrl_set_invert_tile_order(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| ctx->invert_tile_order = va_arg(args, int); |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_err_t ctrl_set_decryptor(vpx_codec_alg_priv_t *ctx, |
| va_list args) { |
| vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *); |
| ctx->decrypt_cb = init ? init->decrypt_cb : NULL; |
| ctx->decrypt_state = init ? init->decrypt_state : NULL; |
| return VPX_CODEC_OK; |
| } |
| |
| static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = { |
| {VP8_COPY_REFERENCE, ctrl_copy_reference}, |
| |
| // Setters |
| {VP8_SET_REFERENCE, ctrl_set_reference}, |
| {VP8_SET_POSTPROC, ctrl_set_postproc}, |
| {VP8_SET_DBG_COLOR_REF_FRAME, ctrl_set_dbg_options}, |
| {VP8_SET_DBG_COLOR_MB_MODES, ctrl_set_dbg_options}, |
| {VP8_SET_DBG_COLOR_B_MODES, ctrl_set_dbg_options}, |
| {VP8_SET_DBG_DISPLAY_MV, ctrl_set_dbg_options}, |
| {VP9_INVERT_TILE_DECODE_ORDER, ctrl_set_invert_tile_order}, |
| {VPXD_SET_DECRYPTOR, ctrl_set_decryptor}, |
| |
| // Getters |
| {VP8D_GET_LAST_REF_UPDATES, ctrl_get_last_ref_updates}, |
| {VP8D_GET_FRAME_CORRUPTED, ctrl_get_frame_corrupted}, |
| {VP9_GET_REFERENCE, ctrl_get_reference}, |
| {VP9D_GET_DISPLAY_SIZE, ctrl_get_display_size}, |
| |
| { -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 |
| decoder_init, // vpx_codec_init_fn_t |
| decoder_destroy, // vpx_codec_destroy_fn_t |
| decoder_ctrl_maps, // vpx_codec_ctrl_fn_map_t |
| { // NOLINT |
| decoder_peek_si, // vpx_codec_peek_si_fn_t |
| decoder_get_si, // vpx_codec_get_si_fn_t |
| decoder_decode, // vpx_codec_decode_fn_t |
| decoder_get_frame, // vpx_codec_frame_get_fn_t |
| decoder_set_fb_fn, // vpx_codec_set_fb_fn_t |
| }, |
| { // NOLINT |
| 0, |
| NOT_IMPLEMENTED, // vpx_codec_enc_cfg_map_t |
| NOT_IMPLEMENTED, // vpx_codec_encode_fn_t |
| NOT_IMPLEMENTED, // vpx_codec_get_cx_data_fn_t |
| NOT_IMPLEMENTED, // vpx_codec_enc_config_set_fn_t |
| NOT_IMPLEMENTED, // vpx_codec_get_global_headers_fn_t |
| NOT_IMPLEMENTED, // vpx_codec_get_preview_frame_fn_t |
| NOT_IMPLEMENTED // vpx_codec_enc_mr_get_mem_loc_fn_t |
| } |
| }; |