diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/bmpenc.c')
| -rw-r--r-- | contrib/ffmpeg/libavcodec/bmpenc.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/contrib/ffmpeg/libavcodec/bmpenc.c b/contrib/ffmpeg/libavcodec/bmpenc.c deleted file mode 100644 index 351038504..000000000 --- a/contrib/ffmpeg/libavcodec/bmpenc.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * BMP image format encoder - * Copyright (c) 2006, 2007 Michel Bardiaux - * - * 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 - */ - -#include "avcodec.h" -#include "bytestream.h" -#include "bmp.h" - -static int bmp_encode_init(AVCodecContext *avctx){ - BMPContext *s = avctx->priv_data; - - avcodec_get_frame_defaults((AVFrame*)&s->picture); - avctx->coded_frame = (AVFrame*)&s->picture; - - return 0; -} - -static int bmp_encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ - BMPContext *s = avctx->priv_data; - AVFrame *pict = data; - AVFrame * const p= (AVFrame*)&s->picture; - int n_bytes_image, n_bytes_per_row, n_bytes, i, n, hsize; - uint8_t *ptr; - unsigned char* buf0 = buf; - *p = *pict; - p->pict_type= FF_I_TYPE; - p->key_frame= 1; - n_bytes_per_row = (avctx->width*3 + 3) & ~3; - n_bytes_image = avctx->height*n_bytes_per_row; - - // STRUCTURE.field refer to the MSVC documentation for BITMAPFILEHEADER - // and related pages. -#define SIZE_BITMAPFILEHEADER 14 -#define SIZE_BITMAPINFOHEADER 40 - hsize = SIZE_BITMAPFILEHEADER + SIZE_BITMAPINFOHEADER; - n_bytes = n_bytes_image + hsize; - if(n_bytes>buf_size) { - av_log(avctx, AV_LOG_ERROR, "buf size too small (need %d, got %d)\n", n_bytes, buf_size); - return -1; - } - bytestream_put_byte(&buf, 'B'); // BITMAPFILEHEADER.bfType - bytestream_put_byte(&buf, 'M'); // do. - bytestream_put_le32(&buf, n_bytes); // BITMAPFILEHEADER.bfSize - bytestream_put_le16(&buf, 0); // BITMAPFILEHEADER.bfReserved1 - bytestream_put_le16(&buf, 0); // BITMAPFILEHEADER.bfReserved2 - bytestream_put_le32(&buf, hsize); // BITMAPFILEHEADER.bfOffBits - bytestream_put_le32(&buf, SIZE_BITMAPINFOHEADER); // BITMAPINFOHEADER.biSize - bytestream_put_le32(&buf, avctx->width); // BITMAPINFOHEADER.biWidth - bytestream_put_le32(&buf, avctx->height); // BITMAPINFOHEADER.biHeight - bytestream_put_le16(&buf, 1); // BITMAPINFOHEADER.biPlanes - bytestream_put_le16(&buf, 24); // BITMAPINFOHEADER.biBitCount - bytestream_put_le32(&buf, BMP_RGB); // BITMAPINFOHEADER.biCompression - bytestream_put_le32(&buf, n_bytes_image); // BITMAPINFOHEADER.biSizeImage - bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biXPelsPerMeter - bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biYPelsPerMeter - bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biClrUsed - bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biClrImportant - // BMP files are bottom-to-top so we start from the end... - ptr = p->data[0] + (avctx->height - 1) * p->linesize[0]; - buf = buf0 + hsize; - for(i = 0; i < avctx->height; i++) { - n = 3*avctx->width; - memcpy(buf, ptr, n); - buf += n; - memset(buf, 0, n_bytes_per_row-n); - buf += n_bytes_per_row-n; - ptr -= p->linesize[0]; // ... and go back - } - return n_bytes; -} - -AVCodec bmp_encoder = { - "bmp", - CODEC_TYPE_VIDEO, - CODEC_ID_BMP, - sizeof(BMPContext), - bmp_encode_init, - bmp_encode_frame, - NULL, //encode_end, - .pix_fmts= (enum PixelFormat[]){PIX_FMT_BGR24, -1}, -}; |