Originally committed as revision 6640 to svn://svn.ffmpeg.org/ffmpeg/trunk
Kostya Shishkov authored on 2006/10/11 13:15:04... | ... |
@@ -753,6 +753,7 @@ following image formats are supported: |
753 | 753 |
@item .Y.U.V @tab X @tab X @tab one raw file per component |
754 | 754 |
@item animated GIF @tab X @tab X @tab Only uncompressed GIFs are generated. |
755 | 755 |
@item PNG @tab X @tab X @tab 2 bit and 4 bit/pixel not supported yet. |
756 |
+@item Targa @tab @tab X @tab Targa (.TGA) image format. |
|
756 | 757 |
@item SGI @tab X @tab X @tab SGI RGB image format |
757 | 758 |
@end multitable |
758 | 759 |
|
... | ... |
@@ -131,6 +131,7 @@ OBJS-$(CONFIG_SONIC_LS_DECODER) += sonic.o |
131 | 131 |
OBJS-$(CONFIG_SVQ1_DECODER) += svq1.o |
132 | 132 |
OBJS-$(CONFIG_SVQ1_ENCODER) += svq1.o |
133 | 133 |
OBJS-$(CONFIG_SVQ3_DECODER) += h264.o |
134 |
+OBJS-$(CONFIG_TARGA_DECODER) += targa.o |
|
134 | 135 |
OBJS-$(CONFIG_THEORA_DECODER) += vp3.o |
135 | 136 |
OBJS-$(CONFIG_TRUEMOTION1_DECODER) += truemotion1.o |
136 | 137 |
OBJS-$(CONFIG_TRUEMOTION2_DECODER) += truemotion2.o |
... | ... |
@@ -545,6 +545,9 @@ void avcodec_register_all(void) |
545 | 545 |
#ifdef CONFIG_WAVPACK_DECODER |
546 | 546 |
register_avcodec(&wavpack_decoder); |
547 | 547 |
#endif //CONFIG_WAVPACK_DECODER |
548 |
+#ifdef CONFIG_TARGA_DECODER |
|
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+ register_avcodec(&targa_decoder); |
|
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+#endif //CONFIG_TARGA_DECODER |
|
548 | 551 |
|
549 | 552 |
#if defined(CONFIG_AMR_NB) || defined(CONFIG_AMR_NB_FIXED) |
550 | 553 |
#ifdef CONFIG_AMR_NB_DECODER |
... | ... |
@@ -37,8 +37,8 @@ extern "C" { |
37 | 37 |
#define AV_STRINGIFY(s) AV_TOSTRING(s) |
38 | 38 |
#define AV_TOSTRING(s) #s |
39 | 39 |
|
40 |
-#define LIBAVCODEC_VERSION_INT ((51<<16)+(16<<8)+0) |
|
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-#define LIBAVCODEC_VERSION 51.16.0 |
|
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+#define LIBAVCODEC_VERSION_INT ((51<<16)+(17<<8)+0) |
|
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+#define LIBAVCODEC_VERSION 51.17.0 |
|
42 | 42 |
#define LIBAVCODEC_BUILD LIBAVCODEC_VERSION_INT |
43 | 43 |
|
44 | 44 |
#define LIBAVCODEC_IDENT "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION) |
... | ... |
@@ -144,6 +144,7 @@ enum CodecID { |
144 | 144 |
CODEC_ID_VP5, |
145 | 145 |
CODEC_ID_VP6, |
146 | 146 |
CODEC_ID_VP6F, |
147 |
+ CODEC_ID_TARGA, |
|
147 | 148 |
|
148 | 149 |
/* various pcm "codecs" */ |
149 | 150 |
CODEC_ID_PCM_S16LE= 0x10000, |
... | ... |
@@ -2292,6 +2293,7 @@ extern AVCodec flashsv_decoder; |
2292 | 2292 |
extern AVCodec cavs_decoder; |
2293 | 2293 |
extern AVCodec vmnc_decoder; |
2294 | 2294 |
extern AVCodec wavpack_decoder; |
2295 |
+extern AVCodec targa_decoder; |
|
2295 | 2296 |
|
2296 | 2297 |
/* pcm codecs */ |
2297 | 2298 |
#define PCM_CODEC(id, name) \ |
2298 | 2299 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,244 @@ |
0 |
+/* |
|
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+ * Targa (.tga) image decoder |
|
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+ * Copyright (c) 2006 Konstantin Shishkov |
|
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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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+ |
|
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+enum TargaCompr{ |
|
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+ TGA_NODATA = 0, // no image data |
|
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+ TGA_PAL = 1, // palettized |
|
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+ TGA_RGB = 2, // true-color |
|
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+ TGA_BW = 3, // black & white or grayscale |
|
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+ TGA_RLE = 8, // flag pointing that data is RLE-coded |
|
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+}; |
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+ |
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+typedef struct TargaContext { |
|
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+ AVFrame picture; |
|
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+ |
|
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+ int width, height; |
|
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+ int bpp; |
|
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+ int color_type; |
|
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+ int compression_type; |
|
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+} TargaContext; |
|
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+ |
|
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+static void targa_decode_rle(AVCodecContext *avctx, TargaContext *s, uint8_t *src, uint8_t *dst, int w, int h, int stride, int bpp) |
|
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+{ |
|
42 |
+ int i, x, y; |
|
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+ int depth = (bpp + 1) >> 3; |
|
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+ int type, count; |
|
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+ int diff; |
|
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+ |
|
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+ diff = stride - w * depth; |
|
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+ x = y = 0; |
|
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+ while(y < h){ |
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+ type = *src++; |
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+ count = (type & 0x7F) + 1; |
|
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+ type &= 0x80; |
|
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+ if((x + count > w) && (x + count + 1 > (h - y) * w)){ |
|
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+ av_log(avctx, AV_LOG_ERROR, "Packet went out of bounds: position (%i,%i) size %i\n", x, y, count); |
|
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+ return; |
|
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+ } |
|
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+ for(i = 0; i < count; i++){ |
|
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+ switch(depth){ |
|
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+ case 1: |
|
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+ *dst = *src; |
|
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+ break; |
|
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+ case 2: |
|
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+ *((uint16_t*)dst) = LE_16(src); |
|
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+ break; |
|
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+ case 3: |
|
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+ dst[0] = src[0]; |
|
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+ dst[1] = src[1]; |
|
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+ dst[2] = src[2]; |
|
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+ break; |
|
70 |
+ } |
|
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+ dst += depth; |
|
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+ if(!type) |
|
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+ src += depth; |
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+ |
|
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+ x++; |
|
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+ if(x == w){ |
|
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+ x = 0; |
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+ y++; |
|
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+ dst += diff; |
|
80 |
+ } |
|
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+ } |
|
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+ if(type) |
|
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+ src += depth; |
|
84 |
+ } |
|
85 |
+} |
|
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+ |
|
87 |
+static int decode_frame(AVCodecContext *avctx, |
|
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+ void *data, int *data_size, |
|
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+ uint8_t *buf, int buf_size) |
|
90 |
+{ |
|
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+ TargaContext * const s = avctx->priv_data; |
|
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+ AVFrame *picture = data; |
|
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+ AVFrame * const p= (AVFrame*)&s->picture; |
|
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+ uint8_t *dst; |
|
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+ int stride; |
|
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+ int idlen, pal, compr, x, y, w, h, bpp, flags; |
|
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+ int first_clr, colors, csize; |
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+ |
|
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+ /* parse image header */ |
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+ idlen = *buf++; |
|
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+ pal = *buf++; |
|
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+ compr = *buf++; |
|
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+ first_clr = LE_16(buf); buf += 2; |
|
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+ colors = LE_16(buf); buf += 2; |
|
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+ csize = *buf++; |
|
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+ x = LE_16(buf); buf += 2; |
|
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+ y = LE_16(buf); buf += 2; |
|
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+ w = LE_16(buf); buf += 2; |
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+ h = LE_16(buf); buf += 2; |
|
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+ bpp = *buf++; |
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+ flags = *buf++; |
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+ //skip identifier if any |
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+ buf += idlen; |
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+ s->bpp = bpp; |
|
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+ s->width = w; |
|
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+ s->height = h; |
|
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+ switch(s->bpp){ |
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+ case 8: |
|
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+ avctx->pix_fmt = ((compr & (~TGA_RLE)) == TGA_BW) ? PIX_FMT_GRAY8 : PIX_FMT_PAL8; |
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+ break; |
|
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+ case 15: |
|
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+ avctx->pix_fmt = PIX_FMT_RGB555; |
|
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+ break; |
|
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+ case 16: |
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+ avctx->pix_fmt = PIX_FMT_RGB555; |
|
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+ break; |
|
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+ case 24: |
|
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+ avctx->pix_fmt = PIX_FMT_BGR24; |
|
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+ break; |
|
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+ default: |
|
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+ av_log(avctx, AV_LOG_ERROR, "Bit depth %i is not supported\n", avctx->bits_per_sample); |
|
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+ return -1; |
|
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+ } |
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+ |
|
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+ if(s->picture.data[0]) |
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+ avctx->release_buffer(avctx, &s->picture); |
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+ |
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+ if(avcodec_check_dimensions(avctx, w, h)) |
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+ return -1; |
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+ if(w != avctx->width || h != avctx->height) |
|
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+ avcodec_set_dimensions(avctx, w, h); |
|
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+ if(avctx->get_buffer(avctx, p) < 0){ |
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+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); |
|
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+ return -1; |
|
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+ } |
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+ if(flags & 0x20){ |
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+ dst = p->data[0]; |
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+ stride = p->linesize[0]; |
|
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+ }else{ //image is upside-down |
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+ dst = p->data[0] + p->linesize[0] * (h - 1); |
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+ stride = -p->linesize[0]; |
|
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+ } |
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+ |
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+ if(avctx->pix_fmt == PIX_FMT_PAL8 && avctx->palctrl){ |
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+ memcpy(p->data[1], avctx->palctrl->palette, AVPALETTE_SIZE); |
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+ if(avctx->palctrl->palette_changed){ |
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+ p->palette_has_changed = 1; |
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+ avctx->palctrl->palette_changed = 0; |
|
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+ } |
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+ } |
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+ if(colors){ |
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+ if((colors + first_clr) > 256){ |
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+ av_log(avctx, AV_LOG_ERROR, "Incorrect palette: %i colors with offset %i\n", colors, first_clr); |
|
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+ return -1; |
|
165 |
+ } |
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+ if(csize != 24){ |
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+ av_log(avctx, AV_LOG_ERROR, "Palette entry size %i bits is not supported\n", csize); |
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+ return -1; |
|
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+ } |
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+ if(avctx->pix_fmt != PIX_FMT_PAL8)//should not occur but skip palette anyway |
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+ buf += colors * ((csize + 1) >> 3); |
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+ else{ |
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+ int r, g, b, t; |
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+ int32_t *pal = ((int32_t*)p->data[1]) + first_clr; |
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+ for(t = 0; t < colors; t++){ |
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+ r = *buf++; |
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+ g = *buf++; |
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+ b = *buf++; |
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+ *pal++ = (b << 16) | (g << 8) | r; |
|
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+ } |
|
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+ p->palette_has_changed = 1; |
|
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+ avctx->palctrl->palette_changed = 0; |
|
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+ } |
|
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+ } |
|
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+ if((compr & (~TGA_RLE)) == TGA_NODATA) |
|
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+ memset(p->data[0], 0, p->linesize[0] * s->height); |
|
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+ else{ |
|
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+ if(compr & TGA_RLE) |
|
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+ targa_decode_rle(avctx, s, buf, dst, avctx->width, avctx->height, stride, bpp); |
|
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+ else{ |
|
191 |
+ for(y = 0; y < s->height; y++){ |
|
192 |
+#ifdef WORDS_BIGENDIAN |
|
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+ if((s->bpp + 1) >> 3 == 2){ |
|
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+ uint16_t *dst16 = (uint16_t*)dst; |
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+ for(x = 0; x < s->width; x++) |
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+ dst16[x] = LE_16(buf + x * 2); |
|
197 |
+ }else |
|
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+#endif |
|
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+ memcpy(dst, buf, s->width * ((s->bpp + 1) >> 3)); |
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+ |
|
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+ dst += stride; |
|
202 |
+ buf += s->width * ((s->bpp + 1) >> 3); |
|
203 |
+ } |
|
204 |
+ } |
|
205 |
+ } |
|
206 |
+ |
|
207 |
+ *picture= *(AVFrame*)&s->picture; |
|
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+ *data_size = sizeof(AVPicture); |
|
209 |
+ |
|
210 |
+ return buf_size; |
|
211 |
+} |
|
212 |
+ |
|
213 |
+static int targa_init(AVCodecContext *avctx){ |
|
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+ TargaContext *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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+ s->picture.data[0] = NULL; |
|
219 |
+ |
|
220 |
+ return 0; |
|
221 |
+} |
|
222 |
+ |
|
223 |
+static int targa_end(AVCodecContext *avctx){ |
|
224 |
+ TargaContext *s = avctx->priv_data; |
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225 |
+ |
|
226 |
+ if(s->picture.data[0]) |
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227 |
+ avctx->release_buffer(avctx, &s->picture); |
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228 |
+ |
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229 |
+ return 0; |
|
230 |
+} |
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231 |
+ |
|
232 |
+AVCodec targa_decoder = { |
|
233 |
+ "targa", |
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+ CODEC_TYPE_VIDEO, |
|
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+ CODEC_ID_TARGA, |
|
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+ sizeof(TargaContext), |
|
237 |
+ targa_init, |
|
238 |
+ NULL, |
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239 |
+ targa_end, |
|
240 |
+ decode_frame, |
|
241 |
+ 0, |
|
242 |
+ NULL |
|
243 |
+}; |
... | ... |
@@ -117,6 +117,7 @@ static const CodecTag mov_video_tags[] = { |
117 | 117 |
{ CODEC_ID_DVVIDEO, MKTAG('d', 'v', '5', 'n') }, /* DVCPRO50 NTSC produced by FCP */ |
118 | 118 |
{ CODEC_ID_DVVIDEO, MKTAG('A', 'V', 'd', 'v') }, /* AVID DV */ |
119 | 119 |
//{ CODEC_ID_JPEG2000, MKTAG('m', 'j', 'p', '2') }, /* JPEG 2000 produced by FCP */ |
120 |
+ { CODEC_ID_TARGA, MKTAG('t', 'g', 'a', ' ') }, /* Truevision Targa */ |
|
120 | 121 |
{ CODEC_ID_RAWVIDEO, MKTAG('2', 'v', 'u', 'y') }, /* UNCOMPRESSED 8BIT 4:2:2 */ |
121 | 122 |
{ CODEC_ID_NONE, 0 }, |
122 | 123 |
}; |