37 #define RV_GET_MAJOR_VER(x) ((x) >> 28)
38 #define RV_GET_MINOR_VER(x) (((x) >> 20) & 0xFF)
39 #define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
41 #define DC_VLC_BITS 14 //FIXME find a better solution
45 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
46 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
47 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
48 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
49 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
50 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
51 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
52 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
53 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
54 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
55 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
56 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
57 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
58 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
59 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
60 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
61 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
62 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
63 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
64 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
65 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
66 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
67 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
68 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
69 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
70 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
71 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
72 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
73 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
74 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
75 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
76 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
81 14, 12, 12, 12, 12, 12, 12, 12,
82 12, 12, 12, 12, 12, 12, 12, 12,
83 12, 12, 12, 12, 12, 12, 12, 12,
84 12, 12, 12, 12, 12, 12, 12, 12,
85 12, 12, 12, 12, 12, 12, 12, 12,
86 12, 12, 12, 12, 12, 12, 12, 12,
87 12, 12, 12, 12, 12, 12, 12, 12,
88 12, 12, 12, 12, 12, 12, 12, 12,
89 12, 10, 10, 10, 10, 10, 10, 10,
90 10, 10, 10, 10, 10, 10, 10, 10,
91 10, 10, 10, 10, 10, 10, 10, 10,
92 10, 10, 10, 10, 10, 10, 10, 10,
93 10, 8, 8, 8, 8, 8, 8, 8,
94 8, 8, 8, 8, 8, 8, 8, 8,
95 8, 7, 7, 7, 7, 7, 7, 7,
96 7, 6, 6, 6, 6, 5, 5, 4,
97 2, 4, 5, 5, 6, 6, 6, 6,
98 7, 7, 7, 7, 7, 7, 7, 7,
99 8, 8, 8, 8, 8, 8, 8, 8,
100 8, 8, 8, 8, 8, 8, 8, 8,
101 10, 10, 10, 10, 10, 10, 10, 10,
102 10, 10, 10, 10, 10, 10, 10, 10,
103 10, 10, 10, 10, 10, 10, 10, 10,
104 10, 10, 10, 10, 10, 10, 10, 10,
105 12, 12, 12, 12, 12, 12, 12, 12,
106 12, 12, 12, 12, 12, 12, 12, 12,
107 12, 12, 12, 12, 12, 12, 12, 12,
108 12, 12, 12, 12, 12, 12, 12, 12,
109 12, 12, 12, 12, 12, 12, 12, 12,
110 12, 12, 12, 12, 12, 12, 12, 12,
111 12, 12, 12, 12, 12, 12, 12, 12,
112 12, 12, 12, 12, 12, 12, 12, 12,
117 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
118 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
119 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
120 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
121 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
122 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
123 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
124 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
125 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
126 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
127 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
128 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
129 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
130 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
131 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
132 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
133 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
134 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
135 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
136 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
137 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
138 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
139 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
140 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
141 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
142 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
143 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
144 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
145 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
146 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
147 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
148 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f,
153 16, 14, 14, 14, 14, 14, 14, 14,
154 14, 14, 14, 14, 14, 14, 14, 14,
155 14, 14, 14, 14, 14, 14, 14, 14,
156 14, 14, 14, 14, 14, 14, 14, 14,
157 14, 14, 14, 14, 14, 14, 14, 14,
158 14, 14, 14, 14, 14, 14, 14, 14,
159 14, 14, 14, 14, 14, 14, 14, 14,
160 14, 14, 14, 14, 14, 14, 14, 14,
161 14, 12, 12, 12, 12, 12, 12, 12,
162 12, 12, 12, 12, 12, 12, 12, 12,
163 12, 12, 12, 12, 12, 12, 12, 12,
164 12, 12, 12, 12, 12, 12, 12, 12,
165 12, 10, 10, 10, 10, 10, 10, 10,
166 10, 10, 10, 10, 10, 10, 10, 10,
167 10, 8, 8, 8, 8, 8, 8, 8,
168 8, 6, 6, 6, 6, 4, 4, 3,
169 2, 3, 4, 4, 6, 6, 6, 6,
170 8, 8, 8, 8, 8, 8, 8, 8,
171 10, 10, 10, 10, 10, 10, 10, 10,
172 10, 10, 10, 10, 10, 10, 10, 10,
173 12, 12, 12, 12, 12, 12, 12, 12,
174 12, 12, 12, 12, 12, 12, 12, 12,
175 12, 12, 12, 12, 12, 12, 12, 12,
176 12, 12, 12, 12, 12, 12, 12, 12,
177 14, 14, 14, 14, 14, 14, 14, 14,
178 14, 14, 14, 14, 14, 14, 14, 14,
179 14, 14, 14, 14, 14, 14, 14, 14,
180 14, 14, 14, 14, 14, 14, 14, 14,
181 14, 14, 14, 14, 14, 14, 14, 14,
182 14, 14, 14, 14, 14, 14, 14, 14,
183 14, 14, 14, 14, 14, 14, 14, 14,
184 14, 14, 14, 14, 14, 14, 14, 14,
202 }
else if (code == 0x7d) {
204 }
else if (code == 0x7e) {
209 }
else if (code == 0x7f) {
223 }
else if (code == 0x1fd) {
225 }
else if (code == 0x1fe) {
242 int mb_count, pb_frame, marker, mb_xy;
280 if(
show_bits(&s->
gb, 12)==0 || (mb_xy && mb_xy < s->mb_num)){
339 rpr_bits =
FFMIN((rpr_bits >> 1) + 1, 3);
376 seq |= s->
time &~0x7FFF;
377 if(seq - s->
time > 0x4000) seq -= 0x8000;
378 if(seq - s->
time < -0x4000) seq += 0x8000;
428 int major_ver, minor_ver, micro_ver, ret;
459 s->
obmc = micro_ver == 2;
462 if (minor_ver >= 2) {
507 const uint8_t *buf,
int buf_size,
int buf_size2)
510 int mb_count, mb_pos, left, start_mb_x, active_bits_size;
512 active_bits_size = buf_size * 8;
530 if (mb_count > left) {
609 active_bits_size = buf_size2 * 8;
611 8 * buf_size, active_bits_size);
637 return active_bits_size;
643 else return AV_RL32(buf + n*8);
647 void *
data,
int *data_size,
650 const uint8_t *buf = avpkt->
data;
651 int buf_size = avpkt->
size;
656 const uint8_t *slices_hdr =
NULL;
666 slice_count = (*buf++) + 1;
668 slices_hdr = buf + 4;
669 buf += 8 * slice_count;
670 buf_size -= 8 * slice_count;
676 for(i=0; i<slice_count; i++){
680 if(i+1 == slice_count)
681 size= buf_size - offset;
685 if(i+2 >= slice_count)
686 size2= buf_size - offset;
int rv10_first_dc_coded[3]
enum PixelFormat pix_fmt
Pixel format, see PIX_FMT_xxx.
void ff_init_block_index(MpegEncContext *s)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
struct MpegEncContext MpegEncContext
MpegEncContext.
AV_WL32 AV_WL24 AV_WL16 AV_RB32
static int get_slice_offset(AVCodecContext *avctx, const uint8_t *buf, int n)
const uint8_t * y_dc_scale_table
qscale -> y_dc_scale table
int coded_width
Bitstream width / height, may be different from width/height if lowres enabled.
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
static const uint16_t rv_chrom_code[256]
int obmc
overlapped block motion compensation
void ff_h263_decode_init_vlc(MpegEncContext *s)
static int rv10_decode_picture_header(MpegEncContext *s)
int h263_aic
Advanded INTRA Coding (AIC)
static int rv20_decode_picture_header(MpegEncContext *s)
int mb_num_left
number of MBs left in this video packet (for partitioned Slices only)
int64_t time
time of current frame
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
#define INIT_VLC_STATIC(vlc, bits, a, b, c, d, e, f, g, static_size)
enum OutputFormat out_format
output format
#define FF_DEBUG_PICT_INFO
#define RV_GET_MICRO_VER(x)
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int no_rounding
apply no rounding to motion compensation (MPEG4, msmpeg4, ...) for b-frames rounding mode is always 0...
static int get_bits_count(const GetBitContext *s)
int ff_h263_decode_mba(MpegEncContext *s)
uint16_t pp_time
time distance between the last 2 p,s,i frames
int mb_height
number of MBs horizontally & vertically
int lowres
low resolution decoding, 1-> 1/2 size, 2->1/4 size
enum PixelFormat ff_pixfmt_list_420[]
void MPV_common_end(MpegEncContext *s)
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
static void ff_update_block_index(MpegEncContext *s)
static int init(AVCodecParserContext *s)
void ff_set_qscale(MpegEncContext *s, int qscale)
set qscale and update qscale dependent variables.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
int slice_count
slice count
int has_b_frames
Size of the frame reordering buffer in the decoder.
int last_dc[3]
last DC values for MPEG1
int sub_id
Some codecs need additional format info.
int unrestricted_mv
mv can point outside of the coded picture
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
void av_log(void *avcl, int level, const char *fmt,...)
#define RV_GET_MINOR_VER(x)
void ff_mpeg4_init_direct_mv(MpegEncContext *s)
int rv_decode_dc(MpegEncContext *s, int n)
const char * name
Name of the codec implementation.
int low_delay
no reordering needed / has no b-frames
void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64])
#define CODEC_FLAG_EMU_EDGE
Don't draw edges.
void MPV_frame_end(MpegEncContext *s)
void ff_mpeg_flush(AVCodecContext *avctx)
int resync_mb_x
x position of last resync marker
void ff_er_add_slice(MpegEncContext *s, int startx, int starty, int endx, int endy, int status)
Add a slice.
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
void ff_h263_loop_filter(MpegEncContext *s)
enum AVPictureType pict_type
Picture type of the frame, see ?_TYPE below.
int ff_h263_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
void MPV_decode_defaults(MpegEncContext *s)
Set the given MpegEncContext to defaults for decoding.
#define RV_GET_MAJOR_VER(x)
struct AVFrame AVFrame
Audio Video Frame.
Picture * current_picture_ptr
pointer to the current picture
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
void ff_er_frame_end(MpegEncContext *s)
static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE(*table)[2], int bits, int max_depth)
Parse a vlc code.
static const uint8_t rv_chrom_bits[256]
const uint8_t ff_aic_dc_scale_table[32]
static av_cold int rv10_decode_end(AVCodecContext *avctx)
#define av_dlog(pctx,...)
av_dlog macros Useful to print debug messages that shouldn't get compiled in normally.
av_cold int MPV_common_init(MpegEncContext *s)
init common structure for both encoder and decoder.
#define AVERROR_PATCHWELCOME
Not yet implemented in Libav, patches welcome.
#define MV_TYPE_16X16
1 vector for the whole mb
int first_slice_line
used in mpeg4 too to handle resync markers
static av_cold int rv10_decode_init(AVCodecContext *avctx)
static const uint16_t rv_lum_code[256]
void ff_h263_update_motion_val(MpegEncContext *s)
main external API structure.
static void close(AVCodecParserContext *s)
int height
picture size. must be a multiple of 16
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const uint8_t ff_mpeg1_dc_scale_table[128]
#define SLICE_END
end marker found
static unsigned int get_bits1(GetBitContext *s)
static void skip_bits(GetBitContext *s, int n)
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
void ff_er_frame_start(MpegEncContext *s)
int f_code
forward MV resolution
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
DCTELEM(* block)[64]
points to one of the following blocks
const uint8_t * c_dc_scale_table
qscale -> c_dc_scale table
int b8_stride
2*mb_width+1 used for some 8x8 block arrays to allow simple addressing
struct AVCodecContext * avctx
static int rv10_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
const uint8_t ff_h263_chroma_qscale_table[32]
static av_cold void flush(AVCodecContext *avctx)
Flush (reset) the frame ID after seeking.
Picture * last_picture_ptr
pointer to the previous picture.
const uint8_t * chroma_qscale_table
qscale -> chroma_qscale (h263)
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict)
Print debugging info for the given picture.
static const uint8_t rv_lum_bits[256]
int resync_mb_y
y position of last resync marker
VLC_TYPE(* table)[2]
code, bits
int * slice_offset
slice offsets in the frame in bytes
int frame_number
audio or video frame number
int rv10_version
RV10 version: 0 or 3.
#define FRAME_SKIPPED
return value for header parsers if frame is not coded
int h263_long_vectors
use horrible h263v1 long vector mode
#define CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
void av_log_missing_feature(void *avc, const char *feature, int want_sample)
Log a generic warning message about a missing feature.
int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
generic function for encode/decode called after coding/decoding the header and before a frame is code...
uint16_t pb_time
time distance between the last b and p,s,i frame
static int rv10_decode_packet(AVCodecContext *avctx, const uint8_t *buf, int buf_size, int buf_size2)