Originally committed as revision 6659 to svn://svn.ffmpeg.org/ffmpeg/trunk
Baptiste Coudurier authored on 2006/10/12 01:57:00... | ... |
@@ -65,6 +65,8 @@ OBJS-$(CONFIG_CLJR_ENCODER) += cljr.o |
65 | 65 |
OBJS-$(CONFIG_COOK_DECODER) += cook.o |
66 | 66 |
OBJS-$(CONFIG_CSCD_DECODER) += cscd.o lzo.o |
67 | 67 |
OBJS-$(CONFIG_CYUV_DECODER) += cyuv.o |
68 |
+OBJS-$(CONFIG_DSICINVIDEO_DECODER) += dsicinav.o |
|
69 |
+OBJS-$(CONFIG_DSICINAUDIO_DECODER) += dsicinav.o |
|
68 | 70 |
OBJS-$(CONFIG_DVBSUB_DECODER) += dvbsubdec.o |
69 | 71 |
OBJS-$(CONFIG_DVBSUB_ENCODER) += dvbsub.o |
70 | 72 |
OBJS-$(CONFIG_DVDSUB_DECODER) += dvdsub.o |
... | ... |
@@ -548,6 +548,12 @@ void avcodec_register_all(void) |
548 | 548 |
#ifdef CONFIG_TARGA_DECODER |
549 | 549 |
register_avcodec(&targa_decoder); |
550 | 550 |
#endif //CONFIG_TARGA_DECODER |
551 |
+#ifdef CONFIG_DSICINVIDEO_DECODER |
|
552 |
+ register_avcodec(&dsicinvideo_decoder); |
|
553 |
+#endif //CONFIG_DSICINVIDEO_DECODER |
|
554 |
+#ifdef CONFIG_DSICINAUDIO_DECODER |
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+ register_avcodec(&dsicinaudio_decoder); |
|
556 |
+#endif //CONFIG_DSICINAUDIO_DECODER |
|
551 | 557 |
|
552 | 558 |
#if defined(CONFIG_AMR_NB) || defined(CONFIG_AMR_NB_FIXED) |
553 | 559 |
#ifdef CONFIG_AMR_NB_DECODER |
... | ... |
@@ -145,6 +145,7 @@ enum CodecID { |
145 | 145 |
CODEC_ID_VP6, |
146 | 146 |
CODEC_ID_VP6F, |
147 | 147 |
CODEC_ID_TARGA, |
148 |
+ CODEC_ID_DSICINVIDEO, |
|
148 | 149 |
|
149 | 150 |
/* various pcm "codecs" */ |
150 | 151 |
CODEC_ID_PCM_S16LE= 0x10000, |
... | ... |
@@ -228,6 +229,7 @@ enum CodecID { |
228 | 228 |
CODEC_ID_SMACKAUDIO, |
229 | 229 |
CODEC_ID_QCELP, |
230 | 230 |
CODEC_ID_WAVPACK, |
231 |
+ CODEC_ID_DSICINAUDIO, |
|
231 | 232 |
|
232 | 233 |
/* subtitle codecs */ |
233 | 234 |
CODEC_ID_DVD_SUBTITLE= 0x17000, |
... | ... |
@@ -2294,6 +2296,8 @@ extern AVCodec cavs_decoder; |
2294 | 2294 |
extern AVCodec vmnc_decoder; |
2295 | 2295 |
extern AVCodec wavpack_decoder; |
2296 | 2296 |
extern AVCodec targa_decoder; |
2297 |
+extern AVCodec dsicinvideo_decoder; |
|
2298 |
+extern AVCodec dsicinaudio_decoder; |
|
2297 | 2299 |
|
2298 | 2300 |
/* pcm codecs */ |
2299 | 2301 |
#define PCM_CODEC(id, name) \ |
2300 | 2302 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,362 @@ |
0 |
+/* |
|
1 |
+ * Delphine Software International CIN Audio/Video Decoders |
|
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+ * Copyright (c) 2006 Gregory Montoir (cyx@users.sourceforge.net) |
|
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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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+/** |
|
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+ * @file dsicinav.c |
|
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+ * Delphine Software International CIN audio/video decoders |
|
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+ */ |
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+ |
|
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+#include "avcodec.h" |
|
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+#include "common.h" |
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+ |
|
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+ |
|
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+typedef enum CinVideoBitmapIndex { |
|
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+ CIN_CUR_BMP = 0, /* current */ |
|
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+ CIN_PRE_BMP = 1, /* previous */ |
|
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+ CIN_INT_BMP = 2 /* intermediate */ |
|
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+} CinVideoBitmapIndex; |
|
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+ |
|
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+typedef struct CinVideoContext { |
|
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+ AVCodecContext *avctx; |
|
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+ AVFrame frame; |
|
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+ unsigned int bitmap_size; |
|
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+ uint32_t palette[256]; |
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+ uint8_t *bitmap_table[3]; |
|
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+} CinVideoContext; |
|
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+ |
|
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+typedef struct CinAudioContext { |
|
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+ AVCodecContext *avctx; |
|
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+ int initial_decode_frame; |
|
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+ int delta; |
|
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+} CinAudioContext; |
|
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+ |
|
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+ |
|
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+/* table defining a geometric sequence with multiplier = 32767 ^ (1 / 128) */ |
|
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+static const int16_t cinaudio_delta16_table[256] = { |
|
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+ 0, 0, 0, 0, 0, 0, 0, 0, |
|
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+ 0, 0, 0, 0, 0, 0, 0, 0, |
|
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+ 0, 0, 0, -30210, -27853, -25680, -23677, -21829, |
|
56 |
+ -20126, -18556, -17108, -15774, -14543, -13408, -12362, -11398, |
|
57 |
+ -10508, -9689, -8933, -8236, -7593, -7001, -6455, -5951, |
|
58 |
+ -5487, -5059, -4664, -4300, -3964, -3655, -3370, -3107, |
|
59 |
+ -2865, -2641, -2435, -2245, -2070, -1908, -1759, -1622, |
|
60 |
+ -1495, -1379, -1271, -1172, -1080, -996, -918, -847, |
|
61 |
+ -781, -720, -663, -612, -564, -520, -479, -442, |
|
62 |
+ -407, -376, -346, -319, -294, -271, -250, -230, |
|
63 |
+ -212, -196, -181, -166, -153, -141, -130, -120, |
|
64 |
+ -111, -102, -94, -87, -80, -74, -68, -62, |
|
65 |
+ -58, -53, -49, -45, -41, -38, -35, -32, |
|
66 |
+ -30, -27, -25, -23, -21, -20, -18, -17, |
|
67 |
+ -15, -14, -13, -12, -11, -10, -9, -8, |
|
68 |
+ -7, -6, -5, -4, -3, -2, -1, 0, |
|
69 |
+ 0, 1, 2, 3, 4, 5, 6, 7, |
|
70 |
+ 8, 9, 10, 11, 12, 13, 14, 15, |
|
71 |
+ 17, 18, 20, 21, 23, 25, 27, 30, |
|
72 |
+ 32, 35, 38, 41, 45, 49, 53, 58, |
|
73 |
+ 62, 68, 74, 80, 87, 94, 102, 111, |
|
74 |
+ 120, 130, 141, 153, 166, 181, 196, 212, |
|
75 |
+ 230, 250, 271, 294, 319, 346, 376, 407, |
|
76 |
+ 442, 479, 520, 564, 612, 663, 720, 781, |
|
77 |
+ 847, 918, 996, 1080, 1172, 1271, 1379, 1495, |
|
78 |
+ 1622, 1759, 1908, 2070, 2245, 2435, 2641, 2865, |
|
79 |
+ 3107, 3370, 3655, 3964, 4300, 4664, 5059, 5487, |
|
80 |
+ 5951, 6455, 7001, 7593, 8236, 8933, 9689, 10508, |
|
81 |
+ 11398, 12362, 13408, 14543, 15774, 17108, 18556, 20126, |
|
82 |
+ 21829, 23677, 25680, 27853, 30210, 0, 0, 0, |
|
83 |
+ 0, 0, 0, 0, 0, 0, 0, 0, |
|
84 |
+ 0, 0, 0, 0, 0, 0, 0, 0 |
|
85 |
+}; |
|
86 |
+ |
|
87 |
+ |
|
88 |
+static int cinvideo_decode_init(AVCodecContext *avctx) |
|
89 |
+{ |
|
90 |
+ CinVideoContext *cin = (CinVideoContext *)avctx->priv_data; |
|
91 |
+ unsigned int i; |
|
92 |
+ |
|
93 |
+ cin->avctx = avctx; |
|
94 |
+ avctx->pix_fmt = PIX_FMT_PAL8; |
|
95 |
+ avctx->has_b_frames = 0; |
|
96 |
+ |
|
97 |
+ cin->frame.data[0] = NULL; |
|
98 |
+ |
|
99 |
+ cin->bitmap_size = avctx->width * avctx->height; |
|
100 |
+ for (i = 0; i < 3; ++i) { |
|
101 |
+ cin->bitmap_table[i] = av_mallocz(cin->bitmap_size); |
|
102 |
+ if (!cin->bitmap_table[i]) |
|
103 |
+ av_log(avctx, AV_LOG_ERROR, "Can't allocate bitmap buffers.\n"); |
|
104 |
+ } |
|
105 |
+ |
|
106 |
+ return 0; |
|
107 |
+} |
|
108 |
+ |
|
109 |
+static void cin_apply_delta_data(const unsigned char *src, unsigned char *dst, int size) |
|
110 |
+{ |
|
111 |
+ while (size--) |
|
112 |
+ *dst++ += *src++; |
|
113 |
+} |
|
114 |
+ |
|
115 |
+static int cin_decode_huffman(const unsigned char *src, int src_size, unsigned char *dst, int dst_size) |
|
116 |
+{ |
|
117 |
+ int b, huff_code = 0; |
|
118 |
+ unsigned char huff_code_table[15]; |
|
119 |
+ unsigned char *dst_cur = dst; |
|
120 |
+ unsigned char *dst_end = dst + dst_size; |
|
121 |
+ const unsigned char *src_end = src + src_size; |
|
122 |
+ |
|
123 |
+ memcpy(huff_code_table, src, 15); src += 15; src_size -= 15; |
|
124 |
+ |
|
125 |
+ while (src < src_end) { |
|
126 |
+ huff_code = *src++; |
|
127 |
+ if ((huff_code >> 4) == 15) { |
|
128 |
+ b = huff_code << 4; |
|
129 |
+ huff_code = *src++; |
|
130 |
+ *dst_cur++ = b | (huff_code >> 4); |
|
131 |
+ } else |
|
132 |
+ *dst_cur++ = huff_code_table[huff_code >> 4]; |
|
133 |
+ if (dst_cur >= dst_end) |
|
134 |
+ break; |
|
135 |
+ |
|
136 |
+ huff_code &= 15; |
|
137 |
+ if (huff_code == 15) { |
|
138 |
+ *dst_cur++ = *src++; |
|
139 |
+ } else |
|
140 |
+ *dst_cur++ = huff_code_table[huff_code]; |
|
141 |
+ if (dst_cur >= dst_end) |
|
142 |
+ break; |
|
143 |
+ } |
|
144 |
+ |
|
145 |
+ return dst_cur - dst; |
|
146 |
+} |
|
147 |
+ |
|
148 |
+static void cin_decode_lzss(const unsigned char *src, int src_size, unsigned char *dst, int dst_size) |
|
149 |
+{ |
|
150 |
+ uint16_t cmd; |
|
151 |
+ int i, sz, offset, code; |
|
152 |
+ unsigned char *dst_end = dst + dst_size; |
|
153 |
+ const unsigned char *src_end = src + src_size; |
|
154 |
+ |
|
155 |
+ while (src < src_end && dst < dst_end) { |
|
156 |
+ code = *src++; |
|
157 |
+ for (i = 0; i < 8 && src < src_end && dst < dst_end; ++i) { |
|
158 |
+ if (code & (1 << i)) { |
|
159 |
+ *dst++ = *src++; |
|
160 |
+ } else { |
|
161 |
+ cmd = LE_16(src); src += 2; |
|
162 |
+ offset = cmd >> 4; |
|
163 |
+ sz = (cmd & 0xF) + 2; |
|
164 |
+ /* don't use memcpy/memmove here as the decoding routine (ab)uses */ |
|
165 |
+ /* buffer overlappings to repeat bytes in the destination */ |
|
166 |
+ sz = FFMIN(sz, dst_end - dst); |
|
167 |
+ while (sz--) { |
|
168 |
+ *dst = *(dst - offset - 1); |
|
169 |
+ ++dst; |
|
170 |
+ } |
|
171 |
+ } |
|
172 |
+ } |
|
173 |
+ } |
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174 |
+} |
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175 |
+ |
|
176 |
+static void cin_decode_rle(const unsigned char *src, int src_size, unsigned char *dst, int dst_size) |
|
177 |
+{ |
|
178 |
+ int len, code; |
|
179 |
+ unsigned char *dst_end = dst + dst_size; |
|
180 |
+ const unsigned char *src_end = src + src_size; |
|
181 |
+ |
|
182 |
+ while (src < src_end && dst < dst_end) { |
|
183 |
+ code = *src++; |
|
184 |
+ if (code & 0x80) { |
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185 |
+ len = code - 0x7F; |
|
186 |
+ memset(dst, *src++, FFMIN(len, dst_end - dst)); |
|
187 |
+ } else { |
|
188 |
+ len = code + 1; |
|
189 |
+ memcpy(dst, src, FFMIN(len, dst_end - dst)); |
|
190 |
+ src += len; |
|
191 |
+ } |
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192 |
+ dst += len; |
|
193 |
+ } |
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194 |
+} |
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195 |
+ |
|
196 |
+static int cinvideo_decode_frame(AVCodecContext *avctx, |
|
197 |
+ void *data, int *data_size, |
|
198 |
+ uint8_t *buf, int buf_size) |
|
199 |
+{ |
|
200 |
+ CinVideoContext *cin = (CinVideoContext *)avctx->priv_data; |
|
201 |
+ int i, y, palette_type, palette_colors_count, bitmap_frame_type, bitmap_frame_size; |
|
202 |
+ |
|
203 |
+ cin->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE; |
|
204 |
+ if (avctx->reget_buffer(avctx, &cin->frame)) { |
|
205 |
+ av_log(cin->avctx, AV_LOG_ERROR, "delphinecinvideo: reget_buffer() failed to allocate a frame\n"); |
|
206 |
+ return -1; |
|
207 |
+ } |
|
208 |
+ |
|
209 |
+ palette_type = buf[0]; |
|
210 |
+ palette_colors_count = buf[1] | (buf[2] << 8); |
|
211 |
+ bitmap_frame_type = buf[3]; |
|
212 |
+ buf += 4; |
|
213 |
+ |
|
214 |
+ bitmap_frame_size = buf_size - 4; |
|
215 |
+ |
|
216 |
+ /* handle palette */ |
|
217 |
+ if (palette_type == 0) { |
|
218 |
+ for (i = 0; i < palette_colors_count; ++i) { |
|
219 |
+ cin->palette[i] = (buf[2] << 16) | (buf[1] << 8) | buf[0]; |
|
220 |
+ buf += 3; |
|
221 |
+ bitmap_frame_size -= 3; |
|
222 |
+ } |
|
223 |
+ } else { |
|
224 |
+ for (i = 0; i < palette_colors_count; ++i) { |
|
225 |
+ cin->palette[buf[0]] = (buf[3] << 16) | (buf[2] << 8) | buf[1]; |
|
226 |
+ buf += 4; |
|
227 |
+ bitmap_frame_size -= 4; |
|
228 |
+ } |
|
229 |
+ } |
|
230 |
+ memcpy(cin->frame.data[1], cin->palette, sizeof(cin->palette)); |
|
231 |
+ cin->frame.palette_has_changed = 1; |
|
232 |
+ |
|
233 |
+ /* note: the decoding routines below assumes that surface.width = surface.pitch */ |
|
234 |
+ switch (bitmap_frame_type) { |
|
235 |
+ case 9: |
|
236 |
+ cin_decode_rle(buf, bitmap_frame_size, |
|
237 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
238 |
+ break; |
|
239 |
+ case 34: |
|
240 |
+ cin_decode_rle(buf, bitmap_frame_size, |
|
241 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
242 |
+ cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP], |
|
243 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
244 |
+ break; |
|
245 |
+ case 35: |
|
246 |
+ cin_decode_huffman(buf, bitmap_frame_size, |
|
247 |
+ cin->bitmap_table[CIN_INT_BMP], cin->bitmap_size); |
|
248 |
+ cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size, |
|
249 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
250 |
+ break; |
|
251 |
+ case 36: |
|
252 |
+ bitmap_frame_size = cin_decode_huffman(buf, bitmap_frame_size, |
|
253 |
+ cin->bitmap_table[CIN_INT_BMP], cin->bitmap_size); |
|
254 |
+ cin_decode_rle(cin->bitmap_table[CIN_INT_BMP], bitmap_frame_size, |
|
255 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
256 |
+ cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP], |
|
257 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
258 |
+ break; |
|
259 |
+ case 37: |
|
260 |
+ cin_decode_huffman(buf, bitmap_frame_size, |
|
261 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
262 |
+ break; |
|
263 |
+ case 38: |
|
264 |
+ cin_decode_lzss(buf, bitmap_frame_size, |
|
265 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
266 |
+ break; |
|
267 |
+ case 39: |
|
268 |
+ cin_decode_lzss(buf, bitmap_frame_size, |
|
269 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
270 |
+ cin_apply_delta_data(cin->bitmap_table[CIN_PRE_BMP], |
|
271 |
+ cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_size); |
|
272 |
+ break; |
|
273 |
+ } |
|
274 |
+ |
|
275 |
+ for (y = 0; y < cin->avctx->height; ++y) |
|
276 |
+ memcpy(cin->frame.data[0] + (cin->avctx->height - 1 - y) * cin->frame.linesize[0], |
|
277 |
+ cin->bitmap_table[CIN_CUR_BMP] + y * cin->avctx->width, |
|
278 |
+ cin->avctx->width); |
|
279 |
+ |
|
280 |
+ SWAP(uint8_t *, cin->bitmap_table[CIN_CUR_BMP], cin->bitmap_table[CIN_PRE_BMP]); |
|
281 |
+ |
|
282 |
+ *data_size = sizeof(AVFrame); |
|
283 |
+ *(AVFrame *)data = cin->frame; |
|
284 |
+ |
|
285 |
+ return buf_size; |
|
286 |
+} |
|
287 |
+ |
|
288 |
+static int cinvideo_decode_end(AVCodecContext *avctx) |
|
289 |
+{ |
|
290 |
+ CinVideoContext *cin = (CinVideoContext *)avctx->priv_data; |
|
291 |
+ int i; |
|
292 |
+ |
|
293 |
+ if (cin->frame.data[0]) |
|
294 |
+ avctx->release_buffer(avctx, &cin->frame); |
|
295 |
+ |
|
296 |
+ for (i = 0; i < 3; ++i) |
|
297 |
+ av_free(cin->bitmap_table[i]); |
|
298 |
+ |
|
299 |
+ return 0; |
|
300 |
+} |
|
301 |
+ |
|
302 |
+static int cinaudio_decode_init(AVCodecContext *avctx) |
|
303 |
+{ |
|
304 |
+ CinAudioContext *cin = (CinAudioContext *)avctx->priv_data; |
|
305 |
+ |
|
306 |
+ cin->avctx = avctx; |
|
307 |
+ cin->initial_decode_frame = 1; |
|
308 |
+ cin->delta = 0; |
|
309 |
+ |
|
310 |
+ return 0; |
|
311 |
+} |
|
312 |
+ |
|
313 |
+static int cinaudio_decode_frame(AVCodecContext *avctx, |
|
314 |
+ void *data, int *data_size, |
|
315 |
+ uint8_t *buf, int buf_size) |
|
316 |
+{ |
|
317 |
+ CinAudioContext *cin = (CinAudioContext *)avctx->priv_data; |
|
318 |
+ uint8_t *src = buf; |
|
319 |
+ int16_t *samples = (int16_t *)data; |
|
320 |
+ |
|
321 |
+ if (cin->initial_decode_frame) { |
|
322 |
+ cin->initial_decode_frame = 0; |
|
323 |
+ cin->delta = (int16_t)LE_16(src); src += 2; |
|
324 |
+ *samples++ = cin->delta; |
|
325 |
+ buf_size -= 2; |
|
326 |
+ } |
|
327 |
+ while (buf_size > 0) { |
|
328 |
+ cin->delta += cinaudio_delta16_table[*src++]; |
|
329 |
+ cin->delta = clip(cin->delta, -32768, 32767); |
|
330 |
+ *samples++ = cin->delta; |
|
331 |
+ --buf_size; |
|
332 |
+ } |
|
333 |
+ |
|
334 |
+ *data_size = (uint8_t *)samples - (uint8_t *)data; |
|
335 |
+ |
|
336 |
+ return src - buf; |
|
337 |
+} |
|
338 |
+ |
|
339 |
+ |
|
340 |
+AVCodec dsicinvideo_decoder = { |
|
341 |
+ "dsicinvideo", |
|
342 |
+ CODEC_TYPE_VIDEO, |
|
343 |
+ CODEC_ID_DSICINVIDEO, |
|
344 |
+ sizeof(CinVideoContext), |
|
345 |
+ cinvideo_decode_init, |
|
346 |
+ NULL, |
|
347 |
+ cinvideo_decode_end, |
|
348 |
+ cinvideo_decode_frame, |
|
349 |
+ CODEC_CAP_DR1, |
|
350 |
+}; |
|
351 |
+ |
|
352 |
+AVCodec dsicinaudio_decoder = { |
|
353 |
+ "dsicinaudio", |
|
354 |
+ CODEC_TYPE_AUDIO, |
|
355 |
+ CODEC_ID_DSICINAUDIO, |
|
356 |
+ sizeof(CinAudioContext), |
|
357 |
+ cinaudio_decode_init, |
|
358 |
+ NULL, |
|
359 |
+ NULL, |
|
360 |
+ cinaudio_decode_frame, |
|
361 |
+}; |
... | ... |
@@ -29,6 +29,7 @@ OBJS-$(CONFIG_AVS_DEMUXER) += avs.o |
29 | 29 |
OBJS-$(CONFIG_CRC_MUXER) += crc.o |
30 | 30 |
OBJS-$(CONFIG_FRAMECRC_MUXER) += crc.o |
31 | 31 |
OBJS-$(CONFIG_DAUD_DEMUXER) += daud.o |
32 |
+OBJS-$(CONFIG_DSICIN_DEMUXER) += dsicin.o |
|
32 | 33 |
OBJS-$(CONFIG_DV_DEMUXER) += dv.o |
33 | 34 |
OBJS-$(CONFIG_DV_MUXER) += dvenc.o |
34 | 35 |
OBJS-$(CONFIG_EA_DEMUXER) += electronicarts.o |
... | ... |
@@ -105,6 +105,9 @@ void av_register_all(void) |
105 | 105 |
av_register_input_format(&dc1394_demuxer); |
106 | 106 |
#endif |
107 | 107 |
#endif /* CONFIG_DC1394 */ |
108 |
+#ifdef CONFIG_DSICIN_DEMUXER |
|
109 |
+ av_register_input_format(&dsicin_demuxer); |
|
110 |
+#endif |
|
108 | 111 |
#ifdef CONFIG_DV1394 |
109 | 112 |
#ifdef CONFIG_DV1394_DEMUXER |
110 | 113 |
av_register_input_format(&dv1394_demuxer); |
... | ... |
@@ -43,6 +43,7 @@ extern AVOutputFormat crc_muxer; |
43 | 43 |
extern AVOutputFormat framecrc_muxer; |
44 | 44 |
extern AVInputFormat daud_demuxer; |
45 | 45 |
extern AVInputFormat dc1394_demuxer; |
46 |
+extern AVInputFormat dsicin_demuxer; |
|
46 | 47 |
extern AVInputFormat dv1394_demuxer; |
47 | 48 |
extern AVInputFormat dv_demuxer; |
48 | 49 |
extern AVOutputFormat dv_muxer; |
49 | 50 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,224 @@ |
0 |
+/* |
|
1 |
+ * Delphine Software International CIN File Demuxer |
|
2 |
+ * Copyright (c) 2006 Gregory Montoir (cyx@users.sourceforge.net) |
|
3 |
+ * |
|
4 |
+ * This file is part of FFmpeg. |
|
5 |
+ * |
|
6 |
+ * FFmpeg is free software; you can redistribute it and/or |
|
7 |
+ * modify it under the terms of the GNU Lesser General Public |
|
8 |
+ * License as published by the Free Software Foundation; either |
|
9 |
+ * version 2.1 of the License, or (at your option) any later version. |
|
10 |
+ * |
|
11 |
+ * FFmpeg is distributed in the hope that it will be useful, |
|
12 |
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
13 |
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
14 |
+ * Lesser General Public License for more details. |
|
15 |
+ * |
|
16 |
+ * You should have received a copy of the GNU Lesser General Public |
|
17 |
+ * License along with FFmpeg; if not, write to the Free Software |
|
18 |
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
19 |
+ */ |
|
20 |
+ |
|
21 |
+/** |
|
22 |
+ * @file dsicin.c |
|
23 |
+ * Delphine Software International CIN file demuxer |
|
24 |
+ */ |
|
25 |
+ |
|
26 |
+#include "avformat.h" |
|
27 |
+ |
|
28 |
+ |
|
29 |
+typedef struct CinFileHeader { |
|
30 |
+ int video_frame_size; |
|
31 |
+ int video_frame_width; |
|
32 |
+ int video_frame_height; |
|
33 |
+ int audio_frequency; |
|
34 |
+ int audio_bits; |
|
35 |
+ int audio_stereo; |
|
36 |
+ int audio_frame_size; |
|
37 |
+} CinFileHeader; |
|
38 |
+ |
|
39 |
+typedef struct CinFrameHeader { |
|
40 |
+ int audio_frame_type; |
|
41 |
+ int video_frame_type; |
|
42 |
+ int pal_colors_count; |
|
43 |
+ int audio_frame_size; |
|
44 |
+ int video_frame_size; |
|
45 |
+} CinFrameHeader; |
|
46 |
+ |
|
47 |
+typedef struct CinDemuxContext { |
|
48 |
+ int audio_stream_index; |
|
49 |
+ int video_stream_index; |
|
50 |
+ CinFileHeader file_header; |
|
51 |
+ int64_t audio_stream_pts; |
|
52 |
+ int64_t video_stream_pts; |
|
53 |
+ CinFrameHeader frame_header; |
|
54 |
+ int audio_buffer_size; |
|
55 |
+} CinDemuxContext; |
|
56 |
+ |
|
57 |
+ |
|
58 |
+static int cin_probe(AVProbeData *p) |
|
59 |
+{ |
|
60 |
+ if (p->buf_size < 18) |
|
61 |
+ return 0; |
|
62 |
+ |
|
63 |
+ /* header starts with this special marker */ |
|
64 |
+ if (LE_32(&p->buf[0]) != 0x55AA0000) |
|
65 |
+ return 0; |
|
66 |
+ |
|
67 |
+ /* for accuracy, check some header field values */ |
|
68 |
+ if (LE_32(&p->buf[12]) != 22050 || p->buf[16] != 16 || p->buf[17] != 0) |
|
69 |
+ return 0; |
|
70 |
+ |
|
71 |
+ return AVPROBE_SCORE_MAX; |
|
72 |
+} |
|
73 |
+ |
|
74 |
+static int cin_read_file_header(CinDemuxContext *cin, ByteIOContext *pb) { |
|
75 |
+ CinFileHeader *hdr = &cin->file_header; |
|
76 |
+ |
|
77 |
+ if (get_le32(pb) != 0x55AA0000) |
|
78 |
+ return AVERROR_INVALIDDATA; |
|
79 |
+ |
|
80 |
+ hdr->video_frame_size = get_le32(pb); |
|
81 |
+ hdr->video_frame_width = get_le16(pb); |
|
82 |
+ hdr->video_frame_height = get_le16(pb); |
|
83 |
+ hdr->audio_frequency = get_le32(pb); |
|
84 |
+ hdr->audio_bits = get_byte(pb); |
|
85 |
+ hdr->audio_stereo = get_byte(pb); |
|
86 |
+ hdr->audio_frame_size = get_le16(pb); |
|
87 |
+ |
|
88 |
+ if (hdr->audio_frequency != 22050 || hdr->audio_bits != 16 || hdr->audio_stereo != 0) |
|
89 |
+ return AVERROR_INVALIDDATA; |
|
90 |
+ |
|
91 |
+ return 0; |
|
92 |
+} |
|
93 |
+ |
|
94 |
+static int cin_read_header(AVFormatContext *s, AVFormatParameters *ap) |
|
95 |
+{ |
|
96 |
+ int rc; |
|
97 |
+ CinDemuxContext *cin = (CinDemuxContext *)s->priv_data; |
|
98 |
+ CinFileHeader *hdr = &cin->file_header; |
|
99 |
+ ByteIOContext *pb = &s->pb; |
|
100 |
+ AVStream *st; |
|
101 |
+ |
|
102 |
+ rc = cin_read_file_header(cin, pb); |
|
103 |
+ if (rc) |
|
104 |
+ return rc; |
|
105 |
+ |
|
106 |
+ cin->video_stream_pts = 0; |
|
107 |
+ cin->audio_stream_pts = 0; |
|
108 |
+ cin->audio_buffer_size = 0; |
|
109 |
+ |
|
110 |
+ /* initialize the video decoder stream */ |
|
111 |
+ st = av_new_stream(s, 0); |
|
112 |
+ if (!st) |
|
113 |
+ return AVERROR_NOMEM; |
|
114 |
+ |
|
115 |
+ av_set_pts_info(st, 32, 1, 12); |
|
116 |
+ cin->video_stream_index = st->index; |
|
117 |
+ st->codec->codec_type = CODEC_TYPE_VIDEO; |
|
118 |
+ st->codec->codec_id = CODEC_ID_DSICINVIDEO; |
|
119 |
+ st->codec->codec_tag = 0; /* no fourcc */ |
|
120 |
+ st->codec->width = hdr->video_frame_width; |
|
121 |
+ st->codec->height = hdr->video_frame_height; |
|
122 |
+ |
|
123 |
+ /* initialize the audio decoder stream */ |
|
124 |
+ st = av_new_stream(s, 0); |
|
125 |
+ if (!st) |
|
126 |
+ return AVERROR_NOMEM; |
|
127 |
+ |
|
128 |
+ av_set_pts_info(st, 32, 1, 22050); |
|
129 |
+ cin->audio_stream_index = st->index; |
|
130 |
+ st->codec->codec_type = CODEC_TYPE_AUDIO; |
|
131 |
+ st->codec->codec_id = CODEC_ID_DSICINAUDIO; |
|
132 |
+ st->codec->codec_tag = 0; /* no tag */ |
|
133 |
+ st->codec->channels = 1; |
|
134 |
+ st->codec->sample_rate = 22050; |
|
135 |
+ st->codec->bits_per_sample = 16; |
|
136 |
+ st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_sample * st->codec->channels; |
|
137 |
+ st->codec->block_align = st->codec->channels * st->codec->bits_per_sample; |
|
138 |
+ |
|
139 |
+ return 0; |
|
140 |
+} |
|
141 |
+ |
|
142 |
+static int cin_read_frame_header(CinDemuxContext *cin, ByteIOContext *pb) { |
|
143 |
+ CinFrameHeader *hdr = &cin->frame_header; |
|
144 |
+ |
|
145 |
+ hdr->video_frame_type = get_byte(pb); |
|
146 |
+ hdr->audio_frame_type = get_byte(pb); |
|
147 |
+ hdr->pal_colors_count = get_le16(pb); |
|
148 |
+ hdr->video_frame_size = get_le32(pb); |
|
149 |
+ hdr->audio_frame_size = get_le32(pb); |
|
150 |
+ |
|
151 |
+ if (url_feof(pb) || url_ferror(pb)) |
|
152 |
+ return AVERROR_IO; |
|
153 |
+ |
|
154 |
+ if (get_le32(pb) != 0xAA55AA55) |
|
155 |
+ return AVERROR_INVALIDDATA; |
|
156 |
+ |
|
157 |
+ return 0; |
|
158 |
+} |
|
159 |
+ |
|
160 |
+static int cin_read_packet(AVFormatContext *s, AVPacket *pkt) |
|
161 |
+{ |
|
162 |
+ CinDemuxContext *cin = (CinDemuxContext *)s->priv_data; |
|
163 |
+ ByteIOContext *pb = &s->pb; |
|
164 |
+ CinFrameHeader *hdr = &cin->frame_header; |
|
165 |
+ int rc, palette_type, pkt_size; |
|
166 |
+ |
|
167 |
+ if (cin->audio_buffer_size == 0) { |
|
168 |
+ rc = cin_read_frame_header(cin, pb); |
|
169 |
+ if (rc) |
|
170 |
+ return rc; |
|
171 |
+ |
|
172 |
+ if ((int16_t)hdr->pal_colors_count < 0) { |
|
173 |
+ hdr->pal_colors_count = -(int16_t)hdr->pal_colors_count; |
|
174 |
+ palette_type = 1; |
|
175 |
+ } else { |
|
176 |
+ palette_type = 0; |
|
177 |
+ } |
|
178 |
+ |
|
179 |
+ /* palette and video packet */ |
|
180 |
+ pkt_size = (palette_type + 3) * hdr->pal_colors_count + hdr->video_frame_size; |
|
181 |
+ |
|
182 |
+ if (av_new_packet(pkt, 4 + pkt_size)) |
|
183 |
+ return AVERROR_NOMEM; |
|
184 |
+ |
|
185 |
+ pkt->stream_index = cin->video_stream_index; |
|
186 |
+ pkt->pts = cin->video_stream_pts++; |
|
187 |
+ |
|
188 |
+ pkt->data[0] = palette_type; |
|
189 |
+ pkt->data[1] = hdr->pal_colors_count & 0xFF; |
|
190 |
+ pkt->data[2] = hdr->pal_colors_count >> 8; |
|
191 |
+ pkt->data[3] = hdr->video_frame_type; |
|
192 |
+ |
|
193 |
+ if (get_buffer(pb, &pkt->data[4], pkt_size) != pkt_size) |
|
194 |
+ return AVERROR_IO; |
|
195 |
+ |
|
196 |
+ /* sound buffer will be processed on next read_packet() call */ |
|
197 |
+ cin->audio_buffer_size = hdr->audio_frame_size; |
|
198 |
+ return 0; |
|
199 |
+ } |
|
200 |
+ |
|
201 |
+ /* audio packet */ |
|
202 |
+ if (av_new_packet(pkt, cin->audio_buffer_size)) |
|
203 |
+ return AVERROR_NOMEM; |
|
204 |
+ |
|
205 |
+ pkt->stream_index = cin->audio_stream_index; |
|
206 |
+ pkt->pts = cin->audio_stream_pts; |
|
207 |
+ cin->audio_stream_pts += cin->audio_buffer_size * 2 / cin->file_header.audio_frame_size; |
|
208 |
+ |
|
209 |
+ if (get_buffer(pb, pkt->data, cin->audio_buffer_size) != cin->audio_buffer_size) |
|
210 |
+ return AVERROR_IO; |
|
211 |
+ |
|
212 |
+ cin->audio_buffer_size = 0; |
|
213 |
+ return 0; |
|
214 |
+} |
|
215 |
+ |
|
216 |
+AVInputFormat dsicin_demuxer = { |
|
217 |
+ "dsicin", |
|
218 |
+ "Delphine Software International CIN format", |
|
219 |
+ sizeof(CinDemuxContext), |
|
220 |
+ cin_probe, |
|
221 |
+ cin_read_header, |
|
222 |
+ cin_read_packet, |
|
223 |
+}; |