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
50 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
51 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
52 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
53 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
54 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
55 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
56 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
57 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
58 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
59 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
60 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
61 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
62 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
63 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
64 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
65 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
66 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
67 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
68 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
69 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
70 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
71 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
72 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
73 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
74 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
75 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
76 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
77 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
78 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
79 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
80 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
81 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
86 14, 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, 12, 12, 12, 12, 12, 12, 12,
90 12, 12, 12, 12, 12, 12, 12, 12,
91 12, 12, 12, 12, 12, 12, 12, 12,
92 12, 12, 12, 12, 12, 12, 12, 12,
93 12, 12, 12, 12, 12, 12, 12, 12,
94 12, 10, 10, 10, 10, 10, 10, 10,
95 10, 10, 10, 10, 10, 10, 10, 10,
96 10, 10, 10, 10, 10, 10, 10, 10,
97 10, 10, 10, 10, 10, 10, 10, 10,
98 10, 8, 8, 8, 8, 8, 8, 8,
99 8, 8, 8, 8, 8, 8, 8, 8,
100 8, 7, 7, 7, 7, 7, 7, 7,
101 7, 6, 6, 6, 6, 5, 5, 4,
102 2, 4, 5, 5, 6, 6, 6, 6,
103 7, 7, 7, 7, 7, 7, 7, 7,
104 8, 8, 8, 8, 8, 8, 8, 8,
105 8, 8, 8, 8, 8, 8, 8, 8,
106 10, 10, 10, 10, 10, 10, 10, 10,
107 10, 10, 10, 10, 10, 10, 10, 10,
108 10, 10, 10, 10, 10, 10, 10, 10,
109 10, 10, 10, 10, 10, 10, 10, 10,
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,
113 12, 12, 12, 12, 12, 12, 12, 12,
114 12, 12, 12, 12, 12, 12, 12, 12,
115 12, 12, 12, 12, 12, 12, 12, 12,
116 12, 12, 12, 12, 12, 12, 12, 12,
117 12, 12, 12, 12, 12, 12, 12, 12,
122 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
123 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
124 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
125 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
126 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
127 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
128 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
129 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
130 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
131 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
132 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
133 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
134 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
135 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
136 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
137 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
138 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
139 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
140 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
141 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
142 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
143 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
144 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
145 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
146 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
147 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
148 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
149 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
150 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
151 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
152 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
153 0x3f78, 0x3f79, 0x3f7a, 0x3f7b, 0x3f7c, 0x3f7d, 0x3f7e, 0x3f7f,
158 16, 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, 14, 14, 14, 14, 14, 14, 14,
162 14, 14, 14, 14, 14, 14, 14, 14,
163 14, 14, 14, 14, 14, 14, 14, 14,
164 14, 14, 14, 14, 14, 14, 14, 14,
165 14, 14, 14, 14, 14, 14, 14, 14,
166 14, 12, 12, 12, 12, 12, 12, 12,
167 12, 12, 12, 12, 12, 12, 12, 12,
168 12, 12, 12, 12, 12, 12, 12, 12,
169 12, 12, 12, 12, 12, 12, 12, 12,
170 12, 10, 10, 10, 10, 10, 10, 10,
171 10, 10, 10, 10, 10, 10, 10, 10,
172 10, 8, 8, 8, 8, 8, 8, 8,
173 8, 6, 6, 6, 6, 4, 4, 3,
174 2, 3, 4, 4, 6, 6, 6, 6,
175 8, 8, 8, 8, 8, 8, 8, 8,
176 10, 10, 10, 10, 10, 10, 10, 10,
177 10, 10, 10, 10, 10, 10, 10, 10,
178 12, 12, 12, 12, 12, 12, 12, 12,
179 12, 12, 12, 12, 12, 12, 12, 12,
180 12, 12, 12, 12, 12, 12, 12, 12,
181 12, 12, 12, 12, 12, 12, 12, 12,
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,
185 14, 14, 14, 14, 14, 14, 14, 14,
186 14, 14, 14, 14, 14, 14, 14, 14,
187 14, 14, 14, 14, 14, 14, 14, 14,
188 14, 14, 14, 14, 14, 14, 14, 14,
189 14, 14, 14, 14, 14, 14, 14, 14,
207 }
else if (code == 0x7d) {
209 }
else if (code == 0x7e) {
214 }
else if (code == 0x7f) {
228 }
else if (code == 0x1fd) {
230 }
else if (code == 0x1fe) {
247 int mb_count, pb_frame, marker, mb_xy;
285 if(
show_bits(&s->
gb, 12)==0 || (mb_xy && mb_xy < s->mb_num)){
345 rpr_bits =
FFMIN((rpr_bits >> 1) + 1, 3);
381 seq |= s->
time &~0x7FFF;
382 if(seq - s->
time > 0x4000) seq -= 0x8000;
383 if(seq - s->
time < -0x4000) seq += 0x8000;
429 int major_ver, minor_ver, micro_ver, ret;
460 s->
obmc = micro_ver == 2;
463 if (minor_ver >= 2) {
508 const uint8_t *buf,
int buf_size,
int buf_size2)
512 int mb_count, mb_pos, left, start_mb_x, active_bits_size;
514 active_bits_size = buf_size * 8;
532 if (mb_count > left) {
611 active_bits_size = buf_size2 * 8;
613 8 * buf_size, active_bits_size);
639 return active_bits_size;
645 else return AV_RL32(buf + n*8);
649 void *
data,
int *got_frame,
653 int buf_size = avpkt->
size;
668 slice_count = (*buf++) + 1;
670 slices_hdr = buf + 4;
671 buf += 8 * slice_count;
672 buf_size -= 8 * slice_count;
678 for(i=0; i<slice_count; i++){
682 if (offset >= buf_size)
685 if(i+1 == slice_count)
686 size= buf_size - offset;
690 if(i+2 >= slice_count)
691 size2= buf_size - offset;
695 if (size <= 0 || size2 <= 0 ||
696 offset +
FFMAX(size, size2) > buf_size)
int rv10_first_dc_coded[3]
void ff_init_block_index(MpegEncContext *s)
This structure describes decoded (raw) audio or video data.
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.
av_cold int ff_MPV_common_init(MpegEncContext *s)
init common structure for both encoder and decoder.
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
static const uint16_t rv_chrom_code[256]
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
int obmc
overlapped block motion compensation
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
av_dlog(ac->avr,"%d samples - audio_convert: %s to %s (%s)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt), use_generic?ac->func_descr_generic:ac->func_descr)
void ff_h263_decode_init_vlc(MpegEncContext *s)
static int rv10_decode_picture_header(MpegEncContext *s)
int h263_aic
Advanded INTRA Coding (AIC)
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)
#define INIT_VLC_STATIC(vlc, bits, a, b, c, d, e, f, g, static_size)
enum OutputFormat out_format
output format
struct RVDecContext RVDecContext
#define RV_GET_MICRO_VER(x)
int ff_rv_decode_dc(MpegEncContext *s, int n)
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
enum AVPixelFormat ff_pixfmt_list_420[]
void ff_MPV_frame_end(MpegEncContext *s)
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.
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 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. ...
#define FF_DEBUG_PICT_INFO
void av_log(void *avcl, int level, const char *fmt,...)
#define RV_GET_MINOR_VER(x)
void ff_mpeg4_init_direct_mv(MpegEncContext *s)
const char * name
Name of the codec implementation.
int low_delay
no reordering needed / has no b-frames
#define CODEC_FLAG_EMU_EDGE
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])
#define RV_GET_MAJOR_VER(x)
Picture * current_picture_ptr
pointer to the current picture
static unsigned int show_bits(GetBitContext *s, int n)
Show 1-25 bits.
static int rv10_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
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]
int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
generic function for encode/decode called after coding/decoding the header and before a frame is code...
static av_cold int rv10_decode_end(AVCodecContext *avctx)
#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
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)
void av_log_missing_feature(void *avc, const char *feature, int want_sample)
Log a generic warning message about a missing feature.
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
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
int mb_stride
mb_width+1 used for some arrays to allow simple addressing of left & top MBs without sig11 ...
const uint8_t ff_h263_chroma_qscale_table[32]
static av_cold void flush(AVCodecContext *avctx)
Flush (reset) the frame ID after seeking.
#define AVERROR_INVALIDDATA
Picture * last_picture_ptr
pointer to the previous picture.
const uint8_t * chroma_qscale_table
qscale -> chroma_qscale (h263)
#define AVERROR_PATCHWELCOME
static int rv20_decode_picture_header(RVDecContext *rv)
void ff_MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64])
void ff_MPV_common_end(MpegEncContext *s)
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
Frame counter, set by libavcodec.
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
This structure stores compressed data.
void ff_MPV_decode_defaults(MpegEncContext *s)
Set the given MpegEncContext to defaults for decoding.
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)