diff options
author | Derek Buitenhuis <derek.buitenhuis@gmail.com> | 2016-06-22 13:31:32 +0200 |
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committer | Paul B Mahol <onemda@gmail.com> | 2016-06-23 13:04:11 +0200 |
commit | a02766fb4d2dc89d0834bade14242cfa810b4646 (patch) | |
tree | edcad5d20fd6c88a493477a029b3fdbc57464f28 /libavcodec/libutvideoenc.cpp | |
parent | dccea0ed0d993792b58dab8f232509c62f0522fd (diff) |
avcodec: remove libutvideo wrapper support
The 10-bit decoding support is available now in native decoder.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/libutvideoenc.cpp')
-rw-r--r-- | libavcodec/libutvideoenc.cpp | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/libavcodec/libutvideoenc.cpp b/libavcodec/libutvideoenc.cpp deleted file mode 100644 index d03d5152fc..0000000000 --- a/libavcodec/libutvideoenc.cpp +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Copyright (c) 2012 Derek Buitenhuis - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; - * version 2 of the License. - * - * 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 - * General Public License for more details. - * - * You should have received a copy of the GNU 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 - * Known FOURCCs: - * 'ULY0' (YCbCr 4:2:0), 'ULY2' (YCbCr 4:2:2), 'ULRG' (RGB), 'ULRA' (RGBA), - * 'ULH0' (YCbCr 4:2:0 BT.709), 'ULH2' (YCbCr 4:2:2 BT.709) - */ - -extern "C" { -#include "libavutil/opt.h" -#include "libavutil/avassert.h" -#include "libavutil/imgutils.h" -#include "avcodec.h" -#include "internal.h" -} - -#include "libutvideo.h" -#include "put_bits.h" - -static av_cold int utvideo_encode_init(AVCodecContext *avctx) -{ - UtVideoContext *utv = (UtVideoContext *)avctx->priv_data; - UtVideoExtra *info; - uint32_t flags, in_format; - int ret; - - switch (avctx->pix_fmt) { - case AV_PIX_FMT_YUV420P: - in_format = UTVF_YV12; - avctx->bits_per_coded_sample = 12; - if (avctx->colorspace == AVCOL_SPC_BT709) - avctx->codec_tag = MKTAG('U', 'L', 'H', '0'); - else - avctx->codec_tag = MKTAG('U', 'L', 'Y', '0'); - break; - case AV_PIX_FMT_YUYV422: - in_format = UTVF_YUYV; - avctx->bits_per_coded_sample = 16; - if (avctx->colorspace == AVCOL_SPC_BT709) - avctx->codec_tag = MKTAG('U', 'L', 'H', '2'); - else - avctx->codec_tag = MKTAG('U', 'L', 'Y', '2'); - break; - case AV_PIX_FMT_BGR24: - in_format = UTVF_NFCC_BGR_BU; - avctx->bits_per_coded_sample = 24; - avctx->codec_tag = MKTAG('U', 'L', 'R', 'G'); - break; - case AV_PIX_FMT_RGB32: - in_format = UTVF_NFCC_BGRA_BU; - avctx->bits_per_coded_sample = 32; - avctx->codec_tag = MKTAG('U', 'L', 'R', 'A'); - break; - default: - return AVERROR(EINVAL); - } - -#if FF_API_PRIVATE_OPT -FF_DISABLE_DEPRECATION_WARNINGS - if (avctx->prediction_method) - utv->pred = avctx->prediction_method; -FF_ENABLE_DEPRECATION_WARNINGS -#endif - - /* Check before we alloc anything */ - if (utv->pred != 0 && utv->pred != 2) { - av_log(avctx, AV_LOG_ERROR, "Invalid prediction method.\n"); - return AVERROR(EINVAL); - } - - flags = ((utv->pred + 1) << 8) | (avctx->thread_count - 1); - - avctx->priv_data = utv; - - /* Alloc extradata buffer */ - info = (UtVideoExtra *)av_malloc(sizeof(*info)); - - if (!info) { - av_log(avctx, AV_LOG_ERROR, "Could not allocate extradata buffer.\n"); - return AVERROR(ENOMEM); - } - - /* - * We use this buffer to hold the data that Ut Video returns, - * since we cannot decode planes separately with it. - */ - ret = av_image_get_buffer_size(avctx->pix_fmt, avctx->width, avctx->height, 1); - if (ret < 0) { - av_free(info); - return ret; - } - utv->buf_size = ret; - - utv->buffer = (uint8_t *)av_malloc(utv->buf_size); - - if (utv->buffer == NULL) { - av_log(avctx, AV_LOG_ERROR, "Could not allocate output buffer.\n"); - av_free(info); - return AVERROR(ENOMEM); - } - - /* - * Create a Ut Video instance. Since the function wants - * an "interface name" string, pass it the name of the lib. - */ - utv->codec = CCodec::CreateInstance(UNFCC(avctx->codec_tag), "libavcodec"); - - /* Initialize encoder */ - utv->codec->EncodeBegin(in_format, avctx->width, avctx->height, - CBGROSSWIDTH_WINDOWS); - - /* Get extradata from encoder */ - avctx->extradata_size = utv->codec->EncodeGetExtraDataSize(); - utv->codec->EncodeGetExtraData(info, avctx->extradata_size, in_format, - avctx->width, avctx->height, - CBGROSSWIDTH_WINDOWS); - avctx->extradata = (uint8_t *)info; - - /* Set flags */ - utv->codec->SetState(&flags, sizeof(flags)); - - return 0; -} - -static int utvideo_encode_frame(AVCodecContext *avctx, AVPacket *pkt, - const AVFrame *pic, int *got_packet) -{ - UtVideoContext *utv = (UtVideoContext *)avctx->priv_data; - int w = avctx->width, h = avctx->height; - int ret, rgb_size, i; - bool keyframe; - uint8_t *y, *u, *v; - uint8_t *dst; - - /* Alloc buffer */ - if ((ret = ff_alloc_packet2(avctx, pkt, utv->buf_size, 0)) < 0) - return ret; - - dst = pkt->data; - - /* Move input if needed data into Ut Video friendly buffer */ - switch (avctx->pix_fmt) { - case AV_PIX_FMT_YUV420P: - y = utv->buffer; - u = y + w * h; - v = u + w * h / 4; - for (i = 0; i < h; i++) { - memcpy(y, pic->data[0] + i * pic->linesize[0], w); - y += w; - } - for (i = 0; i < h / 2; i++) { - memcpy(u, pic->data[2] + i * pic->linesize[2], w >> 1); - memcpy(v, pic->data[1] + i * pic->linesize[1], w >> 1); - u += w >> 1; - v += w >> 1; - } - break; - case AV_PIX_FMT_YUYV422: - for (i = 0; i < h; i++) - memcpy(utv->buffer + i * (w << 1), - pic->data[0] + i * pic->linesize[0], w << 1); - break; - case AV_PIX_FMT_BGR24: - case AV_PIX_FMT_RGB32: - /* Ut Video takes bottom-up BGR */ - rgb_size = avctx->pix_fmt == AV_PIX_FMT_BGR24 ? 3 : 4; - for (i = 0; i < h; i++) - memcpy(utv->buffer + (h - i - 1) * w * rgb_size, - pic->data[0] + i * pic->linesize[0], - w * rgb_size); - break; - default: - return AVERROR(EINVAL); - } - - /* Encode frame */ - pkt->size = utv->codec->EncodeFrame(dst, &keyframe, utv->buffer); - - if (!pkt->size) { - av_log(avctx, AV_LOG_ERROR, "EncodeFrame failed!\n"); - return AVERROR_INVALIDDATA; - } - - /* - * Ut Video is intra-only and every frame is a keyframe, - * and the API always returns true. In case something - * durastic changes in the future, such as inter support, - * assert that this is true. - */ - av_assert2(keyframe == true); - - pkt->flags |= AV_PKT_FLAG_KEY; - *got_packet = 1; - return 0; -} - -static av_cold int utvideo_encode_close(AVCodecContext *avctx) -{ - UtVideoContext *utv = (UtVideoContext *)avctx->priv_data; - - av_freep(&avctx->extradata); - av_freep(&utv->buffer); - - utv->codec->EncodeEnd(); - CCodec::DeleteInstance(utv->codec); - - return 0; -} - -#define OFFSET(x) offsetof(UtVideoContext, x) -#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM -static const AVOption options[] = { - { "pred", "Prediction method", OFFSET(pred), AV_OPT_TYPE_INT, 0, 0, 2, VE, "pred" }, - { "left", NULL, 0, AV_OPT_TYPE_CONST, 0, INT_MIN, INT_MAX, VE, "pred" }, - { "median", NULL, 0, AV_OPT_TYPE_CONST, 2, INT_MIN, INT_MAX, VE, "pred" }, - { NULL }, -}; - -static const AVClass utvideo_class = { - "libutvideo", - av_default_item_name, - options, - LIBAVUTIL_VERSION_INT, - 0, - 0, - NULL, - NULL, - AV_CLASS_CATEGORY_NA, - NULL, - NULL, -}; - -AVCodec ff_libutvideo_encoder = { - "libutvideo", - NULL_IF_CONFIG_SMALL("Ut Video"), - AVMEDIA_TYPE_VIDEO, - AV_CODEC_ID_UTVIDEO, - AV_CODEC_CAP_AUTO_THREADS | (int)AV_CODEC_CAP_LOSSLESS | AV_CODEC_CAP_INTRA_ONLY, - NULL, /* supported_framerates */ - (const enum AVPixelFormat[]) { - AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUYV422, AV_PIX_FMT_BGR24, - AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE - }, - NULL, /* supported_samplerates */ - NULL, /* sample_fmts */ - NULL, /* channel_layouts */ - 0, /* max_lowres */ - &utvideo_class, /* priv_class */ - NULL, /* profiles */ - sizeof(UtVideoContext), - NULL, /* next */ - NULL, /* init_thread_copy */ - NULL, /* update_thread_context */ - NULL, /* defaults */ - NULL, /* init_static_data */ - utvideo_encode_init, - NULL, /* encode */ - utvideo_encode_frame, - NULL, /* decode */ - utvideo_encode_close, - NULL, /* flush */ -}; |