diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 4f7bd62cf4..3c6317703c 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -139,6 +139,7 @@ OBJS-$(CONFIG_SVQ1_DECODER) += svq1.o OBJS-$(CONFIG_SVQ1_ENCODER) += svq1.o OBJS-$(CONFIG_SVQ3_DECODER) += h264.o OBJS-$(CONFIG_TARGA_DECODER) += targa.o +OBJS-$(CONFIG_TARGA_ENCODER) += targaenc.o OBJS-$(CONFIG_THEORA_DECODER) += vp3.o OBJS-$(CONFIG_TIERTEXSEQVIDEO_DECODER) += tiertexseqv.o OBJS-$(CONFIG_TIFF_DECODER) += tiff.o lzw.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index daad1bf575..57460c689e 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -127,7 +127,7 @@ void avcodec_register_all(void) REGISTER_DECODER(SP5X, sp5x); REGISTER_ENCDEC (SVQ1, svq1); REGISTER_DECODER(SVQ3, svq3); - REGISTER_DECODER(TARGA, targa); + REGISTER_ENCDEC (TARGA, targa); REGISTER_DECODER(THEORA, theora); REGISTER_DECODER(TIERTEXSEQVIDEO, tiertexseqvideo); REGISTER_DECODER(TIFF, tiff); diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index a2e872f6cc..048bc890b9 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -2203,6 +2203,7 @@ extern AVCodec snow_encoder; extern AVCodec sonic_encoder; extern AVCodec sonic_ls_encoder; extern AVCodec svq1_encoder; +extern AVCodec targa_encoder; extern AVCodec vcr1_encoder; extern AVCodec vorbis_encoder; extern AVCodec wmav1_encoder; diff --git a/libavcodec/targaenc.c b/libavcodec/targaenc.c new file mode 100644 index 0000000000..27c28d2a58 --- /dev/null +++ b/libavcodec/targaenc.c @@ -0,0 +1,96 @@ +/* + * Targa (.tga) image encoder + * Copyright (c) 2007 Bobby Bingham + * + * 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" + +static int targa_encode_frame(AVCodecContext *avctx, + unsigned char *outbuf, + int buf_size, void *data){ + AVFrame *p = data; + int i, n, linesize; + uint8_t *ptr, *out; + + if(avctx->width > 0xffff || avctx->height > 0xffff) { + av_log(avctx, AV_LOG_ERROR, "image dimensions too large\n"); + return -1; + } + if(buf_size < avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height) + 45) { + av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n"); + return -1; + } + + p->pict_type= FF_I_TYPE; + p->key_frame= 1; + + /* zero out the header and only set applicable fields */ + memset(outbuf, 0, 11); + AV_WL16(outbuf+12, avctx->width); + AV_WL16(outbuf+14, avctx->height); + outbuf[17] = 0x20; /* origin is top-left. no alpha */ + + /* TODO: support alpha channel and other bit-depths. and RLE? */ + switch(avctx->pix_fmt) { + case PIX_FMT_GRAY8: + outbuf[2] = 3; /* uncompressed grayscale image */ + outbuf[16] = 8; /* bpp */ + n = avctx->width; + break; + case PIX_FMT_BGR24: + outbuf[2] = 2; /* uncompressed true-color image */ + outbuf[16] = 24; /* bpp */ + n = 3 * avctx->width; + break; + default: + return -1; + } + + out = outbuf + 18; /* skip past the header we just output */ + ptr = p->data[0]; + linesize = p->linesize[0]; + + for(i=0; i < avctx->height; i++) { + memcpy(out, ptr, n); + out += n; + ptr += linesize; + } + + /* The standard recommends including this section, even if we don't use + * any of the features it affords. TODO: take advantage of the pixel + * aspect ratio and encoder ID fields available? */ + memcpy(out, "\0\0\0\0\0\0\0\0TRUEVISION-XFILE.", 26); + + return out + 26 - outbuf; +} + +static int targa_encode_init(AVCodecContext *avctx) +{ + return 0; +} + +AVCodec targa_encoder = { + .name = "targa", + .type = CODEC_TYPE_VIDEO, + .id = CODEC_ID_TARGA, + .priv_data_size = 0, + .init = targa_encode_init, + .encode = targa_encode_frame, + .pix_fmts= (enum PixelFormat[]){PIX_FMT_BGR24, PIX_FMT_GRAY8, -1}, +}; diff --git a/libavformat/riff.c b/libavformat/riff.c index a7ecec7596..8a3893a692 100644 --- a/libavformat/riff.c +++ b/libavformat/riff.c @@ -167,6 +167,7 @@ const AVCodecTag codec_bmp_tags[] = { { CODEC_ID_CAVS, MKTAG('C', 'A', 'V', 'S') }, { CODEC_ID_JPEG2000, MKTAG('M', 'J', '2', 'C') }, { CODEC_ID_VMNC, MKTAG('V', 'M', 'n', 'c') }, + { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, { CODEC_ID_NONE, 0 }, };