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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/libutvideodec.cpp | |
parent | dccea0ed0d993792b58dab8f232509c62f0522fd (diff) | |
download | ffmpeg-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.cpp | 279 |
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, -}; |