diff options
Diffstat (limited to 'ffmpeg1/libavcodec/libvpxdec.c')
| -rw-r--r-- | ffmpeg1/libavcodec/libvpxdec.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/ffmpeg1/libavcodec/libvpxdec.c b/ffmpeg1/libavcodec/libvpxdec.c deleted file mode 100644 index 5e80a9f..0000000 --- a/ffmpeg1/libavcodec/libvpxdec.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (c) 2010, Google, Inc. - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * VP8 decoder support via libvpx - */ - -#define VPX_CODEC_DISABLE_COMPAT 1 -#include <vpx/vpx_decoder.h> -#include <vpx/vp8dx.h> - -#include "libavutil/common.h" -#include "libavutil/imgutils.h" -#include "avcodec.h" -#include "internal.h" - -typedef struct VP8DecoderContext { - struct vpx_codec_ctx decoder; -} VP8Context; - -static av_cold int vpx_init(AVCodecContext *avctx, - const struct vpx_codec_iface *iface) -{ - VP8Context *ctx = avctx->priv_data; - struct vpx_codec_dec_cfg deccfg = { - /* token partitions+1 would be a decent choice */ - .threads = FFMIN(avctx->thread_count, 16) - }; - - av_log(avctx, AV_LOG_INFO, "%s\n", vpx_codec_version_str()); - av_log(avctx, AV_LOG_VERBOSE, "%s\n", vpx_codec_build_config()); - - if (vpx_codec_dec_init(&ctx->decoder, iface, &deccfg, 0) != VPX_CODEC_OK) { - const char *error = vpx_codec_error(&ctx->decoder); - av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder: %s\n", - error); - return AVERROR(EINVAL); - } - - avctx->pix_fmt = AV_PIX_FMT_YUV420P; - return 0; -} - -static int vp8_decode(AVCodecContext *avctx, - void *data, int *got_frame, AVPacket *avpkt) -{ - VP8Context *ctx = avctx->priv_data; - AVFrame *picture = data; - const void *iter = NULL; - struct vpx_image *img; - int ret; - - if (vpx_codec_decode(&ctx->decoder, avpkt->data, avpkt->size, NULL, 0) != - VPX_CODEC_OK) { - const char *error = vpx_codec_error(&ctx->decoder); - const char *detail = vpx_codec_error_detail(&ctx->decoder); - - av_log(avctx, AV_LOG_ERROR, "Failed to decode frame: %s\n", error); - if (detail) - av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", - detail); - return AVERROR_INVALIDDATA; - } - - if ((img = vpx_codec_get_frame(&ctx->decoder, &iter))) { - if (img->fmt != VPX_IMG_FMT_I420) { - av_log(avctx, AV_LOG_ERROR, "Unsupported output colorspace (%d)\n", - img->fmt); - return AVERROR_INVALIDDATA; - } - - if ((int) img->d_w != avctx->width || (int) img->d_h != avctx->height) { - av_log(avctx, AV_LOG_INFO, "dimension change! %dx%d -> %dx%d\n", - avctx->width, avctx->height, img->d_w, img->d_h); - if (av_image_check_size(img->d_w, img->d_h, 0, avctx)) - return AVERROR_INVALIDDATA; - avcodec_set_dimensions(avctx, img->d_w, img->d_h); - } - if ((ret = ff_get_buffer(avctx, picture, 0)) < 0) - return ret; - av_image_copy(picture->data, picture->linesize, img->planes, - img->stride, avctx->pix_fmt, img->d_w, img->d_h); - *got_frame = 1; - } - return avpkt->size; -} - -static av_cold int vp8_free(AVCodecContext *avctx) -{ - VP8Context *ctx = avctx->priv_data; - vpx_codec_destroy(&ctx->decoder); - return 0; -} - -#if CONFIG_LIBVPX_VP8_DECODER -static av_cold int vp8_init(AVCodecContext *avctx) -{ - return vpx_init(avctx, &vpx_codec_vp8_dx_algo); -} - -AVCodec ff_libvpx_vp8_decoder = { - .name = "libvpx", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_VP8, - .priv_data_size = sizeof(VP8Context), - .init = vp8_init, - .close = vp8_free, - .decode = vp8_decode, - .capabilities = CODEC_CAP_AUTO_THREADS | CODEC_CAP_DR1, - .long_name = NULL_IF_CONFIG_SMALL("libvpx VP8"), -}; -#endif /* CONFIG_LIBVPX_VP8_DECODER */ - -#if CONFIG_LIBVPX_VP9_DECODER -static av_cold int vp9_init(AVCodecContext *avctx) -{ - return vpx_init(avctx, &vpx_codec_vp9_dx_algo); -} - -AVCodec ff_libvpx_vp9_decoder = { - .name = "libvpx-vp9", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_VP9, - .priv_data_size = sizeof(VP8Context), - .init = vp9_init, - .close = vp8_free, - .decode = vp8_decode, - .capabilities = CODEC_CAP_AUTO_THREADS | CODEC_CAP_EXPERIMENTAL, - .long_name = NULL_IF_CONFIG_SMALL("libvpx VP9"), -}; -#endif /* CONFIG_LIBVPX_VP9_DECODER */ |