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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/libutvideodec.cpp
parentdccea0ed0d993792b58dab8f232509c62f0522fd (diff)
downloadffmpeg-a02766fb4d2dc89d0834bade14242cfa810b4646.tar.gz
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/libutvideodec.cpp')
-rw-r--r--libavcodec/libutvideodec.cpp279
1 files changed, 0 insertions, 279 deletions
diff --git a/libavcodec/libutvideodec.cpp b/libavcodec/libutvideodec.cpp
deleted file mode 100644
index 29e6db16d0..0000000000
--- a/libavcodec/libutvideodec.cpp
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Copyright (c) 2011 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 "avcodec.h"
-#include "libavutil/imgutils.h"
-}
-
-#include "libutvideo.h"
-#include "get_bits.h"
-
-static av_cold int utvideo_decode_init(AVCodecContext *avctx)
-{
- UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
- UtVideoExtra info;
- int format;
- int begin_ret;
-
- if (avctx->extradata_size != 16 && avctx->extradata_size != 8 ) {
- av_log(avctx, AV_LOG_ERROR, "Extradata size (%d) mismatch.\n", avctx->extradata_size);
- return -1;
- }
-
- /* Read extradata */
- info.version = AV_RL32(avctx->extradata);
- info.original_format = AV_RL32(avctx->extradata + 4);
- info.frameinfo_size = AV_RL32(avctx->extradata + 8);
- info.flags = AV_RL32(avctx->extradata + 12);
-
- /* Pick format based on FOURCC */
- switch (avctx->codec_tag) {
-#ifdef UTV_BT709
- case MKTAG('U', 'L', 'H', '0'):
- avctx->pix_fmt = AV_PIX_FMT_YUV420P;
- avctx->colorspace = AVCOL_SPC_BT709;
- format = UTVF_YV12;
- break;
- case MKTAG('U', 'L', 'H', '2'):
- avctx->pix_fmt = AV_PIX_FMT_YUYV422;
- avctx->colorspace = AVCOL_SPC_BT709;
- format = UTVF_YUY2;
- break;
-#endif
- case MKTAG('U', 'L', 'Y', '0'):
- avctx->pix_fmt = AV_PIX_FMT_YUV420P;
- format = UTVF_YV12;
- break;
- case MKTAG('U', 'L', 'Y', '2'):
- avctx->pix_fmt = AV_PIX_FMT_YUYV422;
- format = UTVF_YUY2;
- break;
- case MKTAG('U', 'L', 'R', 'G'):
- avctx->pix_fmt = AV_PIX_FMT_BGR24;
- format = UTVF_NFCC_BGR_BU;
- break;
- case MKTAG('U', 'L', 'R', 'A'):
- avctx->pix_fmt = AV_PIX_FMT_RGB32;
- format = UTVF_NFCC_BGRA_BU;
- break;
-#ifdef UTVF_UQY2
- case MKTAG('U', 'Q', 'Y', '2'):
- avctx->pix_fmt = AV_PIX_FMT_YUV422P10;
- format = UTVF_v210;
- break;
-#endif
- default:
- av_log(avctx, AV_LOG_ERROR,
- "Not a Ut Video FOURCC: %X\n", avctx->codec_tag);
- return -1;
- }
-
- /* Only allocate the buffer once */
- utv->buf_size = av_image_get_buffer_size(avctx->pix_fmt, avctx->width, avctx->height, 1);
-#ifdef UTVF_UQY2
- if (format == UTVF_v210)
- utv->buf_size += avctx->height * ((avctx->width + 47) / 48) * 128; // the linesize used by the decoder, this does not seem to be exported
-#endif
- utv->buffer = (uint8_t *)av_malloc(utv->buf_size * sizeof(uint8_t));
-
- if (utv->buffer == NULL) {
- av_log(avctx, AV_LOG_ERROR, "Unable to allocate output buffer.\n");
- return -1;
- }
-
- /* Allocate the output frame */
- avctx->coded_frame = av_frame_alloc();
-
- /* Is it interlaced? */
- avctx->coded_frame->interlaced_frame = info.flags & 0x800 ? 1 : 0;
-
- /* Apparently Ut Video doesn't store this info... */
- avctx->coded_frame->top_field_first = 1;
-
- /*
- * 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 Decoding */
- begin_ret = utv->codec->DecodeBegin(format, avctx->width, avctx->height,
- CBGROSSWIDTH_WINDOWS, &info, sizeof(UtVideoExtra));
-
- /* Check to see if the decoder initlized properly */
- if (begin_ret != 0) {
- av_log(avctx, AV_LOG_ERROR,
- "Could not initialize decoder: %d\n", begin_ret);
- return -1;
- }
-
- return 0;
-}
-
-static int utvideo_decode_frame(AVCodecContext *avctx, void *data,
- int *got_frame, AVPacket *avpkt)
-{
- UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
- AVFrame *pic = avctx->coded_frame;
- int w = avctx->width, h = avctx->height;
-
- /* Set flags */
- pic->pict_type = AV_PICTURE_TYPE_I;
- pic->key_frame = 1;
-
- /* Decode the frame */
- utv->codec->DecodeFrame(utv->buffer, avpkt->data, true);
-
- /* Set the output data depending on the colorspace */
- switch (avctx->pix_fmt) {
- case AV_PIX_FMT_YUV420P:
- pic->linesize[0] = w;
- pic->linesize[1] = pic->linesize[2] = w / 2;
- pic->data[0] = utv->buffer;
- pic->data[2] = utv->buffer + (w * h);
- pic->data[1] = pic->data[2] + (w * h / 4);
- break;
- case AV_PIX_FMT_YUYV422:
- pic->linesize[0] = w * 2;
- pic->data[0] = utv->buffer;
- break;
- case AV_PIX_FMT_YUV422P10: {
- uint16_t *y, *u, *v;
- int i,j;
- int linesize = ((w + 47) / 48) * 128;
-
- pic->linesize[0] = w * 2;
- pic->linesize[1] =
- pic->linesize[2] = w;
- pic->data[0] = utv->buffer + linesize * h;
- pic->data[1] = pic->data[0] + h*pic->linesize[0];
- pic->data[2] = pic->data[1] + h*pic->linesize[1];
- y = (uint16_t*)pic->data[0];
- u = (uint16_t*)pic->data[1];
- v = (uint16_t*)pic->data[2];
- for (j = 0; j < h; j++) {
- const uint8_t *in = utv->buffer + j * linesize;
-
- for (i = 0; i + 1 < w; i += 6, in += 4) {
- unsigned a,b;
- a = AV_RL32(in);
- in += 4;
- b = AV_RL32(in);
- *u++ = (a ) & 0x3FF;
- *y++ = (a>>10) & 0x3FF;
- *v++ = (a>>20) & 0x3FF;
- *y++ = (b ) & 0x3FF;
-
- if (i + 3 >= w)
- break;
-
- in += 4;
- a = AV_RL32(in);
- *u++ = (b>>10) & 0x3FF;
- *y++ = (b>>20) & 0x3FF;
- *v++ = (a ) & 0x3FF;
- *y++ = (a>>10) & 0x3FF;
-
- if (i + 5 >= w)
- break;
-
- in += 4;
- b = AV_RL32(in);
- *u++ = (a>>20) & 0x3FF;
- *y++ = (b ) & 0x3FF;
- *v++ = (b>>10) & 0x3FF;
- *y++ = (b>>20) & 0x3FF;
- }
- }
- break;
- }
- case AV_PIX_FMT_BGR24:
- case AV_PIX_FMT_RGB32:
- /* Make the linesize negative, since Ut Video uses bottom-up BGR */
- pic->linesize[0] = -1 * w * (avctx->pix_fmt == AV_PIX_FMT_BGR24 ? 3 : 4);
- pic->data[0] = utv->buffer + utv->buf_size + pic->linesize[0];
- break;
- }
- pic->width = w;
- pic->height = h;
- pic->format = avctx->pix_fmt;
-
- if (avctx->refcounted_frames) {
- int ret = av_frame_ref((AVFrame*)data, pic);
- if (ret < 0)
- return ret;
- } else {
- av_frame_move_ref((AVFrame*)data, pic);
- }
-
- *got_frame = 1;
-
- return avpkt->size;
-}
-
-static av_cold int utvideo_decode_close(AVCodecContext *avctx)
-{
- UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
-
- /* Free output */
- av_frame_free(&avctx->coded_frame);
- av_freep(&utv->buffer);
-
- /* Finish decoding and clean up the instance */
- utv->codec->DecodeEnd();
- CCodec::DeleteInstance(utv->codec);
-
- return 0;
-}
-
-AVCodec ff_libutvideo_decoder = {
- "libutvideo",
- NULL_IF_CONFIG_SMALL("Ut Video"),
- AVMEDIA_TYPE_VIDEO,
- AV_CODEC_ID_UTVIDEO,
- 0, //capabilities
- NULL, //supported_framerates
- NULL, //pix_fmts
- NULL, //supported_samplerates
- NULL, //sample_fmts
- NULL, //channel_layouts
- 0, //max_lowres
- NULL, //priv_class
- NULL, //profiles
- sizeof(UtVideoContext),
- NULL, //next
- NULL, //init_thread_copy
- NULL, //update_thread_context
- NULL, //defaults
- NULL, //init_static_data
- utvideo_decode_init,
- NULL, //encode
- NULL, //encode2
- utvideo_decode_frame,
- utvideo_decode_close,
-};