diff options
Diffstat (limited to 'libavcodec/targaenc.c')
| -rw-r--r-- | libavcodec/targaenc.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/libavcodec/targaenc.c b/libavcodec/targaenc.c index 0ee7fedb9d..a6879e359d 100644 --- a/libavcodec/targaenc.c +++ b/libavcodec/targaenc.c @@ -2,20 +2,20 @@ * Targa (.tga) image encoder * Copyright (c) 2007 Bobby Bingham * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -78,7 +78,7 @@ static int targa_encode_normal(uint8_t *outbuf, const AVFrame *pic, int bpp, int static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *p, int *got_packet) { - int bpp, picsize, datasize = -1, ret; + int bpp, picsize, datasize = -1, ret, i; uint8_t *out; if(avctx->width > 0xffff || avctx->height > 0xffff) { @@ -86,10 +86,8 @@ static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt, return AVERROR(EINVAL); } picsize = avpicture_get_size(avctx->pix_fmt, avctx->width, avctx->height); - if ((ret = ff_alloc_packet(pkt, picsize + 45)) < 0) { - av_log(avctx, AV_LOG_ERROR, "encoded frame too large\n"); + if ((ret = ff_alloc_packet2(avctx, pkt, picsize + 45)) < 0) return ret; - } /* zero out the header and only set applicable fields */ memset(pkt->data, 0, 12); @@ -98,13 +96,28 @@ static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt, /* image descriptor byte: origin is always top-left, bits 0-3 specify alpha */ pkt->data[17] = 0x20 | (avctx->pix_fmt == PIX_FMT_BGRA ? 8 : 0); + out = pkt->data + 18; /* skip past the header we write */ + + avctx->bits_per_coded_sample = av_get_bits_per_pixel(&av_pix_fmt_descriptors[avctx->pix_fmt]); switch(avctx->pix_fmt) { + case PIX_FMT_PAL8: + pkt->data[1] = 1; /* palette present */ + pkt->data[2] = TGA_PAL; /* uncompressed palettised image */ + pkt->data[6] = 1; /* palette contains 256 entries */ + pkt->data[7] = 24; /* palette contains 24 bit entries */ + pkt->data[16] = 8; /* bpp */ + for (i = 0; i < 256; i++) + AV_WL24(pkt->data + 18 + 3 * i, *(uint32_t *)(p->data[1] + i * 4)); + out += 256 * 3; /* skip past the palette we just output */ + break; case PIX_FMT_GRAY8: pkt->data[2] = TGA_BW; /* uncompressed grayscale image */ + avctx->bits_per_coded_sample = 0x28; pkt->data[16] = 8; /* bpp */ break; case PIX_FMT_RGB555LE: pkt->data[2] = TGA_RGB; /* uncompresses true-color image */ + avctx->bits_per_coded_sample = pkt->data[16] = 16; /* bpp */ break; case PIX_FMT_BGR24: @@ -122,8 +135,6 @@ static int targa_encode_frame(AVCodecContext *avctx, AVPacket *pkt, } bpp = pkt->data[16] >> 3; - out = pkt->data + 18; /* skip past the header we just output */ - /* try RLE compression */ if (avctx->coder_type != FF_CODER_TYPE_RAW) datasize = targa_encode_rle(out, picsize, p, bpp, avctx->width, avctx->height); @@ -169,7 +180,7 @@ AVCodec ff_targa_encoder = { .init = targa_encode_init, .encode2 = targa_encode_frame, .pix_fmts = (const enum PixelFormat[]){ - PIX_FMT_BGR24, PIX_FMT_BGRA, PIX_FMT_RGB555LE, PIX_FMT_GRAY8, + PIX_FMT_BGR24, PIX_FMT_BGRA, PIX_FMT_RGB555LE, PIX_FMT_GRAY8, PIX_FMT_PAL8, PIX_FMT_NONE }, .long_name= NULL_IF_CONFIG_SMALL("Truevision Targa image"), |