Originally committed as revision 7824 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diego Biurrun authored on 2007/02/06 00:05:29... | ... |
@@ -55,6 +55,7 @@ OBJS-$(CONFIG_ASV2_DECODER) += asv1.o |
55 | 55 |
OBJS-$(CONFIG_ASV2_ENCODER) += asv1.o |
56 | 56 |
OBJS-$(CONFIG_AVS_DECODER) += avs.o |
57 | 57 |
OBJS-$(CONFIG_BMP_DECODER) += bmp.o |
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+OBJS-$(CONFIG_BMP_ENCODER) += bmpenc.o |
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58 | 59 |
OBJS-$(CONFIG_CAVS_DECODER) += cavs.o cavsdsp.o |
59 | 60 |
OBJS-$(CONFIG_CINEPAK_DECODER) += cinepak.o |
60 | 61 |
OBJS-$(CONFIG_CLJR_DECODER) += cljr.o |
... | ... |
@@ -54,7 +54,7 @@ void avcodec_register_all(void) |
54 | 54 |
REGISTER_ENCDEC (ASV1, asv1); |
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REGISTER_ENCDEC (ASV2, asv2); |
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REGISTER_DECODER(AVS, avs); |
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- REGISTER_DECODER(BMP, bmp); |
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+ REGISTER_ENCDEC (BMP, bmp); |
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REGISTER_DECODER(CAVS, cavs); |
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REGISTER_DECODER(CINEPAK, cinepak); |
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REGISTER_DECODER(CLJR, cljr); |
... | ... |
@@ -37,8 +37,8 @@ extern "C" { |
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#define AV_STRINGIFY(s) AV_TOSTRING(s) |
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#define AV_TOSTRING(s) #s |
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|
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-#define LIBAVCODEC_VERSION_INT ((51<<16)+(30<<8)+0) |
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-#define LIBAVCODEC_VERSION 51.30.0 |
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+#define LIBAVCODEC_VERSION_INT ((51<<16)+(31<<8)+0) |
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+#define LIBAVCODEC_VERSION 51.31.0 |
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#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT |
43 | 43 |
|
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#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) |
... | ... |
@@ -2148,6 +2148,7 @@ extern AVCodec amr_nb_encoder; |
2148 | 2148 |
extern AVCodec amr_wb_encoder; |
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extern AVCodec asv1_encoder; |
2150 | 2150 |
extern AVCodec asv2_encoder; |
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+extern AVCodec bmp_encoder; |
|
2151 | 2152 |
extern AVCodec dvvideo_encoder; |
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extern AVCodec faac_encoder; |
2153 | 2154 |
extern AVCodec ffv1_encoder; |
2154 | 2155 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,98 @@ |
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+/* |
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+ * BMP image format encoder |
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+ * Copyright (c) 2006, 2007 Michel Bardiaux |
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+ * |
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+ * This file is part of FFmpeg. |
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+ * |
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+ * FFmpeg is free software; you can redistribute it and/or |
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+ * modify it under the terms of the GNU Lesser General Public |
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+ * License as published by the Free Software Foundation; either |
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+ * version 2.1 of the License, or (at your option) any later version. |
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+ * |
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+ * FFmpeg is distributed in the hope that it will be useful, |
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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+ * Lesser General Public License for more details. |
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+ * |
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+ * You should have received a copy of the GNU Lesser General Public |
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+ * License along with FFmpeg; if not, write to the Free Software |
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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+ */ |
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+ |
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+#include "avcodec.h" |
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+#include "bytestream.h" |
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+#include "bmp.h" |
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+ |
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+static int bmp_encode_init(AVCodecContext *avctx){ |
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+ BMPContext *s = avctx->priv_data; |
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+ |
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+ avcodec_get_frame_defaults((AVFrame*)&s->picture); |
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+ avctx->coded_frame = (AVFrame*)&s->picture; |
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+ |
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+ return 0; |
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+} |
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+ |
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+static int bmp_encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){ |
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+ BMPContext *s = avctx->priv_data; |
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+ AVFrame *pict = data; |
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+ AVFrame * const p= (AVFrame*)&s->picture; |
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+ int n_bytes_image, n_bytes_per_row, n_bytes, i, n, hsize; |
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+ uint8_t *ptr; |
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+ unsigned char* buf0 = buf; |
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+ *p = *pict; |
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+ p->pict_type= FF_I_TYPE; |
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+ p->key_frame= 1; |
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+ n_bytes_per_row = (avctx->width*3 + 3) & ~3; |
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+ n_bytes_image = avctx->height*n_bytes_per_row; |
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+ |
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+ // STRUCTURE.field refer to the MSVC documentation for BITMAPFILEHEADER |
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+ // and related pages. |
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+#define SIZE_BITMAPFILEHEADER 14 |
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+#define SIZE_BITMAPINFOHEADER 40 |
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+ hsize = SIZE_BITMAPFILEHEADER + SIZE_BITMAPINFOHEADER; |
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+ n_bytes = n_bytes_image + hsize; |
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+ if(n_bytes>buf_size) { |
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+ av_log(avctx, AV_LOG_ERROR, "buf size too small (need %d, got %d)\n", n_bytes, buf_size); |
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+ return -1; |
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+ } |
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+ bytestream_put_byte(&buf, 'B'); // BITMAPFILEHEADER.bfType |
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+ bytestream_put_byte(&buf, 'M'); // do. |
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+ bytestream_put_le32(&buf, n_bytes); // BITMAPFILEHEADER.bfSize |
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+ bytestream_put_le16(&buf, 0); // BITMAPFILEHEADER.bfReserved1 |
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+ bytestream_put_le16(&buf, 0); // BITMAPFILEHEADER.bfReserved2 |
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+ bytestream_put_le32(&buf, hsize); // BITMAPFILEHEADER.bfOffBits |
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+ bytestream_put_le32(&buf, SIZE_BITMAPINFOHEADER); // BITMAPINFOHEADER.biSize |
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+ bytestream_put_le32(&buf, avctx->width); // BITMAPINFOHEADER.biWidth |
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+ bytestream_put_le32(&buf, avctx->height); // BITMAPINFOHEADER.biHeight |
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+ bytestream_put_le16(&buf, 1); // BITMAPINFOHEADER.biPlanes |
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+ bytestream_put_le16(&buf, 24); // BITMAPINFOHEADER.biBitCount |
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+ bytestream_put_le32(&buf, BMP_RGB); // BITMAPINFOHEADER.biCompression |
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+ bytestream_put_le32(&buf, n_bytes_image); // BITMAPINFOHEADER.biSizeImage |
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+ bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biXPelsPerMeter |
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+ bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biYPelsPerMeter |
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+ bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biClrUsed |
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+ bytestream_put_le32(&buf, 0); // BITMAPINFOHEADER.biClrImportant |
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+ // BMP files are bottom-to-top so we start from the end... |
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+ ptr = p->data[0] + (avctx->height - 1) * p->linesize[0]; |
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+ buf = buf0 + hsize; |
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+ for(i = 0; i < avctx->height; i++) { |
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+ n = 3*avctx->width; |
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+ memcpy(buf, ptr, n); |
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+ buf += n; |
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+ memset(buf, 0, n_bytes_per_row-n); |
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+ buf += n_bytes_per_row-n; |
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+ ptr -= p->linesize[0]; // ... and go back |
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+ } |
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+ return n_bytes; |
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+} |
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+ |
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+AVCodec bmp_encoder = { |
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+ "bmp", |
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+ CODEC_TYPE_VIDEO, |
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+ CODEC_ID_BMP, |
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+ sizeof(BMPContext), |
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+ bmp_encode_init, |
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+ bmp_encode_frame, |
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+ NULL, //encode_end, |
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+ .pix_fmts= (enum PixelFormat[]){PIX_FMT_BGR24, -1}, |
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+}; |