30 #define HEADER1_CHUNK 0x03 31 #define HEADER2_CHUNK 0x3D 32 #define IMAGE_DATA_CHUNK 0x21 46 0xFF000000, 0xFF030303, 0xFF060606, 0xFF090909, 0xFF0C0C0C, 0xFF0F0F0F,
47 0xFF121212, 0xFF151515, 0xFF181818, 0xFF1B1B1B, 0xFF1E1E1E, 0xFF212121,
48 0xFF242424, 0xFF272727, 0xFF2A2A2A, 0xFF2D2D2D, 0xFF313131, 0xFF343434,
49 0xFF373737, 0xFF3A3A3A, 0xFF3D3D3D, 0xFF404040, 0xFF434343, 0xFF464646,
50 0xFF494949, 0xFF4C4C4C, 0xFF4F4F4F, 0xFF525252, 0xFF555555, 0xFF585858,
51 0xFF5B5B5B, 0xFF5E5E5E, 0xFF626262, 0xFF656565, 0xFF686868, 0xFF6B6B6B,
52 0xFF6E6E6E, 0xFF717171, 0xFF747474, 0xFF777777, 0xFF7A7A7A, 0xFF7D7D7D,
53 0xFF808080, 0xFF838383, 0xFF868686, 0xFF898989, 0xFF8C8C8C, 0xFF8F8F8F,
54 0xFF939393, 0xFF999999, 0xFFA0A0A0, 0xFFA7A7A7, 0xFFAEAEAE, 0xFFB4B4B4,
55 0xFFBBBBBB, 0xFFC2C2C2, 0xFFC9C9C9, 0xFFCFCFCF, 0xFFD6D6D6, 0xFFDDDDDD,
56 0xFFE4E4E4, 0xFFEAEAEA, 0xFFF1F1F1, 0xFFF8F8F8,
59 0xFF000000, 0xFF020209, 0xFF050513, 0xFF07071D, 0xFF0A0A27, 0xFF0C0C31,
60 0xFF0F0F3B, 0xFF111145, 0xFF14144F, 0xFF161659, 0xFF181863, 0xFF1B1B6D,
61 0xFF1E1E77, 0xFF202080, 0xFF22228A, 0xFF252594, 0xFF28289E, 0xFF2A2AA8,
62 0xFF2D2DB2, 0xFF2F2FBC, 0xFF3131C6, 0xFF3434D0, 0xFF3737DA, 0xFF3939E4,
63 0xFF3C3CEE, 0xFF5454F0, 0xFF6C6CF2, 0xFF8585F4, 0xFF9D9DF6, 0xFFB5B5F8,
64 0xFFCECEFA, 0xFFE6E6FC,
67 0xFF000000, 0xFF020902, 0xFF051305, 0xFF071D07, 0xFF0A270A, 0xFF0C310C,
68 0xFF0F3B0F, 0xFF114511, 0xFF144F14, 0xFF165916, 0xFF186318, 0xFF1B6D1B,
69 0xFF1E771E, 0xFF208020, 0xFF228A22, 0xFF259425, 0xFF289E28, 0xFF2AA82A,
70 0xFF2DB22D, 0xFF2FBC2F, 0xFF31C631, 0xFF34D034, 0xFF37DA37, 0xFF39E439,
71 0xFF3CEE3C, 0xFF54F054, 0xFF6CF26C, 0xFF85F485, 0xFF9DF69D, 0xFFB5F8B5,
72 0xFFCEFACE, 0xFFE6FCE6,
75 0xFF000000, 0xFF020909, 0xFF051313, 0xFF071D1D, 0xFF0A2727, 0xFF0C3131,
76 0xFF0F3B3B, 0xFF114545, 0xFF144F4F, 0xFF165959, 0xFF186363, 0xFF1B6D6D,
77 0xFF1E7777, 0xFF208080, 0xFF228A8A, 0xFF259494, 0xFF289E9E, 0xFF2AA8A8,
78 0xFF2DB2B2, 0xFF2FBCBC, 0xFF31C6C6, 0xFF34D0D0, 0xFF37DADA, 0xFF39E4E4,
79 0xFF3CEEEE, 0xFF54F0F0, 0xFF6CF2F2, 0xFF85F4F4, 0xFF9DF6F6, 0xFFB5F8F8,
80 0xFFCEFAFA, 0xFFE6FCFC,
83 0xFF000000, 0xFF090202, 0xFF130505, 0xFF1D0707, 0xFF270A0A, 0xFF310C0C,
84 0xFF3B0F0F, 0xFF451111, 0xFF4F1414, 0xFF591616, 0xFF631818, 0xFF6D1B1B,
85 0xFF771E1E, 0xFF802020, 0xFF8A2222, 0xFF942525, 0xFF9E2828, 0xFFA82A2A,
86 0xFFB22D2D, 0xFFBC2F2F, 0xFFC63131, 0xFFD03434, 0xFFDA3737, 0xFFE43939,
87 0xFFEE3C3C, 0xFFF05454, 0xFFF26C6C, 0xFFF48585, 0xFFF69D9D, 0xFFF8B5B5,
88 0xFFFACECE, 0xFFFCE6E6,
91 0xFF000000, 0xFF090209, 0xFF130513, 0xFF1D071D, 0xFF270A27, 0xFF310C31,
92 0xFF3B0F3B, 0xFF451145, 0xFF4F144F, 0xFF591659, 0xFF631863, 0xFF6D1B6D,
93 0xFF771E77, 0xFF802080, 0xFF8A228A, 0xFF942594, 0xFF9E289E, 0xFFA82AA8,
94 0xFFB22DB2, 0xFFBC2FBC, 0xFFC631C6, 0xFFD034D0, 0xFFDA37DA, 0xFFE439E4,
95 0xFFEE3CEE, 0xFFF054F0, 0xFFF26CF2, 0xFFF485F4, 0xFFF69DF6, 0xFFF8B5F8,
96 0xFFFACEFA, 0xFFFCE6FC,
99 0xFF000000, 0xFF090902, 0xFF131305, 0xFF1D1D07, 0xFF27270A, 0xFF31310C,
100 0xFF3B3B0F, 0xFF454511, 0xFF4F4F14, 0xFF595916, 0xFF636318, 0xFF6D6D1B,
101 0xFF77771E, 0xFF808020, 0xFF8A8A22, 0xFF949425, 0xFF9E9E28, 0xFFA8A82A,
102 0xFFB2B22D, 0xFFBCBC2F, 0xFFC6C631, 0xFFD0D034, 0xFFDADA37, 0xFFE4E439,
103 0xFFEEEE3C, 0xFFF0F054, 0xFFF2F26C, 0xFFF4F485, 0xFFF6F69D, 0xFFF8F8B5,
104 0xFFFAFACE, 0xFFFCFCE6,
115 unsigned int header_len = bytestream2_get_be32(pgb);
117 out->
format = bytestream2_get_byte(pgb);
119 out->
width = bytestream2_get_be16(pgb);
120 out->
height = bytestream2_get_be16(pgb);
140 unsigned int bytes_pp;
141 unsigned int magic[4];
142 unsigned int chunk_type;
143 unsigned int data_len;
144 unsigned int bytes_per_scanline;
145 unsigned int bytes_left;
150 magic[0] = bytestream2_get_be32(&gb);
151 magic[1] = bytestream2_get_be32(&gb);
152 magic[2] = bytestream2_get_be32(&gb);
153 magic[3] = bytestream2_get_be32(&gb);
155 if (magic[0] != 0x12 ||
163 chunk_type = bytestream2_get_be32(&gb);
207 bytes_per_scanline = bytes_pp * hdr.
width;
218 chunk_type = bytestream2_get_be32(&gb);
225 uint32_t *pal_out = (uint32_t *)frame->
data[1];
235 chunk_type = bytestream2_get_be32(&gb);
236 data_len = bytestream2_get_be32(&gb);
245 for (i = 0; i < 256; ++
i)
246 *pal_out++ = (0xFFU << 24) | bytestream2_get_be32u(&gb);
251 chunk_type = bytestream2_get_be32(&gb);
254 uint32_t *pal_out = (uint32_t *)frame->
data[1];
258 "Using default palette, colors might be off.\n");
264 data_len = bytestream2_get_be32(&gb);
271 bytes_left / bytes_per_scanline < hdr.
height) {
279 bytes_per_scanline, hdr.
height);
289 .
name =
"brender_pix",
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
This structure describes decoded (raw) audio or video data.
ptrdiff_t const GLvoid * data
8 bits gray, 8 bits alpha
#define AV_LOG_WARNING
Something somehow does not look correct.
packed RGB 8:8:8, 24bpp, RGBRGB...
int ff_set_dimensions(AVCodecContext *s, int width, int height)
Check that the provided frame dimensions are valid and set them on the codec context.
#define avpriv_request_sample(...)
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
static av_always_inline void bytestream2_init(GetByteContext *g, const uint8_t *buf, int buf_size)
AVCodec ff_brender_pix_decoder
8 bits with AV_PIX_FMT_RGB32 palette
static int pix_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
static av_always_inline int bytestream2_get_bytes_left(GetByteContext *g)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static av_always_inline void bytestream2_skip(GetByteContext *g, unsigned int size)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
const char * name
Name of the codec implementation.
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
enum AVPictureType pict_type
Picture type of the frame.
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
#define AVERROR_PATCHWELCOME
Not yet implemented in FFmpeg, patches welcome.
static av_always_inline int bytestream2_tell(GetByteContext *g)
Libavcodec external API header.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
main external API structure.
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
Get a buffer for a frame.
int palette_has_changed
Tell user application that palette has changed from previous frame.
static const uint32_t std_pal_table[256]
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
common internal api header.
static int pix_decode_header(PixHeader *out, GetByteContext *pgb)
int key_frame
1 -> keyframe, 0-> not
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
packed RGB 8:8:8, 32bpp, XRGBXRGB... X=unused/undefined
This structure stores compressed data.
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.