videolan/ffmpeg
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Code Releases Activity

Make Interplay palette opaque and increase its dynamics.

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This commit is contained in:
Carl Eugen Hoyos 2011-12-27 18:26:31 +01:00
parent 387d86077f
commit ec0dc7e2e0
2 changed files with 116 additions and 112 deletions
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8
libavformat/ipmovie.c
View File

@ -456,7 +456,8 @@ static int process_ipmovie_chunk(IPMVEContext *s, AVIOContext *pb,
r = scratch[j++] * 4;
g = scratch[j++] * 4;
b = scratch[j++] * 4;
s->palette[i] = (r << 16) | (g << 8) | (b);
s->palette[i] = (0xFFU << 24) | (r << 16) | (g << 8) | (b);
s->palette[i] |= s->palette[i] >> 6 & 0x30303;
}
s->has_palette = 1;
break;
@ -524,7 +525,7 @@ static int ipmovie_read_header(AVFormatContext *s,
AVPacket pkt;
AVStream *st;
unsigned char chunk_preamble[CHUNK_PREAMBLE_SIZE];
int chunk_type;
int chunk_type, i;
uint8_t signature_buffer[sizeof(signature)];
avio_read(pb, signature_buffer, sizeof(signature_buffer));
@ -542,6 +543,9 @@ static int ipmovie_read_header(AVFormatContext *s,
/* on the first read, this will position the stream at the first chunk */
ipmovie->next_chunk_offset = avio_tell(pb) + 4;
for (i = 0; i < 256; i++)
ipmovie->palette[i] = 0xFFU << 24;
/* process the first chunk which should be CHUNK_INIT_VIDEO */
if (process_ipmovie_chunk(ipmovie, pb, &pkt) != CHUNK_INIT_VIDEO)
return AVERROR_INVALIDDATA;

220
tests/ref/fate/interplay-mve-8bit
View File

@ -1,223 +1,223 @@
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1, 312261, 5888, 0xf79d5a91
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0, 312287, 414720, 0x15da1138
1, 318269, 5888, 0x395b5228
0, 318293, 414720, 0x41ed6d22
0, 318293, 414720, 0x345ff676
1, 324278, 5888, 0x9c937a14
0, 324298, 414720, 0x486e70aa
0, 324298, 414720, 0x0108f909
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0, 330304, 414720, 0xfddc103e
0, 330304, 414720, 0x57459616
1, 336294, 5888, 0x3e7f99b0
0, 336309, 414720, 0x8620f03e
0, 336309, 414720, 0x2f497782
1, 342302, 5888, 0xd4de993e
0, 342315, 414720, 0x0e4ec273
0, 342315, 414720, 0xb72b4f79
1, 348310, 5888, 0xae856b09
0, 348320, 414720, 0xb2298b3e
0, 348320, 414720, 0x2bfd1967
1, 354318, 5888, 0xa2369c95
0, 354326, 414720, 0xb4f50176
0, 354326, 414720, 0x974a99cd
1, 360327, 5848, 0x992d516b
0, 360331, 414720, 0xb9c7a495
0, 360331, 414720, 0x5f5f4129
1, 366294, 5888, 0xcd785ba9
0, 366337, 414720, 0xed270702
0, 366337, 414720, 0x51ad9df4
1, 372302, 5888, 0x55ea3bce
0, 372342, 414720, 0x98b72586
0, 372342, 414720, 0xd6e5c16c
1, 378310, 5888, 0xf06d4bbf
0, 378348, 414720, 0xd8977cb1
0, 378348, 414720, 0xd8751bda
1, 384318, 5888, 0x2a9d4c1a
0, 384353, 414720, 0xff3d3851
0, 384353, 414720, 0x216ed6f3
1, 390327, 5888, 0xd5e348a3
0, 390359, 414720, 0x7e4f0424
0, 390359, 414720, 0x63a0a67d
1, 396335, 5888, 0x6431a24c
0, 396364, 414720, 0xa9e75006
0, 396364, 414720, 0xe4f4eb0f
1, 402343, 5888, 0x41f9908c
0, 402370, 414720, 0x8f98cba9
0, 402370, 414720, 0xa1665ef8
1, 408351, 5888, 0x0ed99656
0, 408375, 414720, 0x25ecd620
0, 408375, 414720, 0xc3116dfd
1, 414359, 5888, 0x635a6392
0, 414381, 414720, 0x78cf5c58
0, 414381, 414720, 0x3213fd70
1, 420367, 5888, 0x690c750c
0, 420386, 414720, 0x3fb4b81a
0, 420386, 414720, 0x2af76048
1, 426376, 5888, 0xf9d97b23
0, 426392, 414720, 0xd7b655fa
0, 426392, 414720, 0x3570085d
1, 432384, 5888, 0x75e1606b
0, 432397, 414720, 0xd9158db3
0, 432397, 414720, 0x2a7c3c39
1, 438392, 5888, 0x1bcb43b0
0, 438403, 414720, 0x2e651852
0, 438403, 414720, 0xd8a6ba7e
1, 444400, 5888, 0x48c295cb
0, 444408, 414720, 0x9f9adb64
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1, 450408, 5848, 0xe47f7b5d
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0, 450414, 414720, 0x653a0936
1, 456376, 5888, 0x20be7f3e
0, 456420, 414720, 0xbe73daf5
0, 456420, 414720, 0xf68c77ab
1, 462384, 5888, 0x8c2428c4
0, 462425, 414720, 0x3d164329
0, 462425, 414720, 0xa5ecde84
1, 468392, 5888, 0x851379af
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0, 468431, 414720, 0xaec33ca1
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0, 486447, 414720, 0x4a13804d
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1, 492424, 5888, 0x62cf36a1
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1, 498433, 5888, 0x56dff39c
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1, 504441, 5888, 0x4e6b5b02
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1, 510449, 5888, 0xb8697067
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0, 510469, 414720, 0xb05f4da2
1, 516457, 5888, 0xcb4e2706
0, 516475, 414720, 0xaf9dec62
0, 516475, 414720, 0x65769088
1, 522465, 5888, 0x6eaa9669
0, 522480, 414720, 0xc74816a1
0, 522480, 414720, 0xbc45ba59
1, 528473, 5888, 0xfd9d7dba
0, 528486, 414720, 0x51488bfc
0, 528486, 414720, 0x8c893436
1, 534482, 5888, 0xfe137923
0, 534491, 414720, 0x68c10a2c
0, 534491, 414720, 0x1d5ebe7f
1, 540490, 5848, 0x1931296f
0, 540497, 414720, 0x10179c4e
0, 540497, 414720, 0xa9cd5a53
1, 546457, 5888, 0xa09a7c03
0, 546502, 414720, 0x18d559b7
0, 546502, 414720, 0xc69e1fb0
1, 552465, 5888, 0xded9802d
0, 552508, 414720, 0x8257aa55
0, 552508, 414720, 0xb28a77ec
1, 558473, 5888, 0x9f6723b7
0, 558513, 414720, 0x9ea24501
0, 558513, 414720, 0x834f1219
1, 564482, 5888, 0x3ad02476
0, 564519, 414720, 0x238605cc
0, 564519, 414720, 0xba34c848
1, 570490, 5888, 0xa1647e32
0, 570524, 414720, 0xb552deaa
0, 570524, 414720, 0x80e590c1
1, 576498, 5888, 0x728672da
0, 576530, 414720, 0x07c3348d
0, 576530, 414720, 0x7146dc31
1, 582506, 5888, 0x9c098090
0, 582535, 414720, 0x82f4f9b0
0, 582535, 414720, 0x05929a5f
1, 588514, 5888, 0x32a65ea3
0, 588541, 414720, 0xf5d76bc5
0, 588541, 414720, 0x721708c5
1, 594522, 5888, 0xdde141d5
0, 594546, 414720, 0x34b3a1e6
0, 594546, 414720, 0x4aa83cbe
1, 600531, 5888, 0x816c5fb4
0, 600552, 414720, 0xda25e11b
0, 600552, 414720, 0x221d799f
1, 606539, 5888, 0x75e17581
0, 606558, 414720, 0x2b19936b
0, 606558, 414720, 0xe9e72bec
1, 612547, 5888, 0x59035469
0, 612563, 414720, 0xe91f9f73
0, 612563, 414720, 0xb6a3385d
1, 618555, 5888, 0x20d340cd
0, 618569, 414720, 0x48d09aab
0, 618569, 414720, 0x795a3362
1, 624563, 5888, 0xa89a8790
0, 624574, 414720, 0xac42bf83
0, 624574, 414720, 0x770b58d9
1, 630571, 5848, 0x12b74c34
0, 630580, 414720, 0x2d8ca14e
0, 630580, 414720, 0xb5563ce4
1, 636539, 5888, 0xcd3b3bef
0, 636585, 414720, 0xe65462fd
0, 636585, 414720, 0x0c1a00cc
1, 642547, 5888, 0xe5c44bf3
0, 642591, 414720, 0xe5bfc929
0, 642591, 414720, 0xcbd467fd
1, 648555, 5888, 0xb82c4fa4
0, 648596, 414720, 0x66784c58
0, 648596, 414720, 0x3bccec29
1, 654563, 5888, 0x05b2443a
0, 654602, 414720, 0x70dbeca8
0, 654602, 414720, 0x92d78db7
1, 660571, 5888, 0x78028172
1, 666580, 5888, 0xdfcac19a
1, 672588, 5888, 0x0761a0b9