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authorDerek Buitenhuis <derek.buitenhuis@gmail.com>2016-06-22 13:31:32 +0200
committerPaul B Mahol <onemda@gmail.com>2016-06-23 13:04:11 +0200
commita02766fb4d2dc89d0834bade14242cfa810b4646 (patch)
treeedcad5d20fd6c88a493477a029b3fdbc57464f28 /libavcodec/libutvideoenc.cpp
parentdccea0ed0d993792b58dab8f232509c62f0522fd (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.cpp281
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 */
-};