36 #define RV_GET_MAJOR_VER(x) ((x) >> 28)
37 #define RV_GET_MINOR_VER(x) (((x) >> 20) & 0xFF)
38 #define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
40 #define DC_VLC_BITS 14 //FIXME find a better solution
48 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
49 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
50 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
51 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
52 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
53 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
54 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
55 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
56 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
57 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
58 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
59 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
60 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
61 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
62 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
63 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
64 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
65 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
66 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
67 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
68 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
69 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
70 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
71 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
72 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
73 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
74 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
75 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
76 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
77 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
78 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
79 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
83 14, 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, 12, 12, 12, 12, 12, 12, 12,
90 12, 12, 12, 12, 12, 12, 12, 12,
91 12, 10, 10, 10, 10, 10, 10, 10,
92 10, 10, 10, 10, 10, 10, 10, 10,
93 10, 10, 10, 10, 10, 10, 10, 10,
94 10, 10, 10, 10, 10, 10, 10, 10,
95 10, 8, 8, 8, 8, 8, 8, 8,
96 8, 8, 8, 8, 8, 8, 8, 8,
97 8, 7, 7, 7, 7, 7, 7, 7,
98 7, 6, 6, 6, 6, 5, 5, 4,
99 2, 4, 5, 5, 6, 6, 6, 6,
100 7, 7, 7, 7, 7, 7, 7, 7,
101 8, 8, 8, 8, 8, 8, 8, 8,
102 8, 8, 8, 8, 8, 8, 8, 8,
103 10, 10, 10, 10, 10, 10, 10, 10,
104 10, 10, 10, 10, 10, 10, 10, 10,
105 10, 10, 10, 10, 10, 10, 10, 10,
106 10, 10, 10, 10, 10, 10, 10, 10,
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,
113 12, 12, 12, 12, 12, 12, 12, 12,
114 12, 12, 12, 12, 12, 12, 12, 12,
118 0xfe7f, 0x3f00, 0x3f01, 0x3f02, 0x3f03, 0x3f04, 0x3f05, 0x3f06,
119 0x3f07, 0x3f08, 0x3f09, 0x3f0a, 0x3f0b, 0x3f0c, 0x3f0d, 0x3f0e,
120 0x3f0f, 0x3f10, 0x3f11, 0x3f12, 0x3f13, 0x3f14, 0x3f15, 0x3f16,
121 0x3f17, 0x3f18, 0x3f19, 0x3f1a, 0x3f1b, 0x3f1c, 0x3f1d, 0x3f1e,
122 0x3f1f, 0x3f20, 0x3f21, 0x3f22, 0x3f23, 0x3f24, 0x3f25, 0x3f26,
123 0x3f27, 0x3f28, 0x3f29, 0x3f2a, 0x3f2b, 0x3f2c, 0x3f2d, 0x3f2e,
124 0x3f2f, 0x3f30, 0x3f31, 0x3f32, 0x3f33, 0x3f34, 0x3f35, 0x3f36,
125 0x3f37, 0x3f38, 0x3f39, 0x3f3a, 0x3f3b, 0x3f3c, 0x3f3d, 0x3f3e,
126 0x3f3f, 0x0f80, 0x0f81, 0x0f82, 0x0f83, 0x0f84, 0x0f85, 0x0f86,
127 0x0f87, 0x0f88, 0x0f89, 0x0f8a, 0x0f8b, 0x0f8c, 0x0f8d, 0x0f8e,
128 0x0f8f, 0x0f90, 0x0f91, 0x0f92, 0x0f93, 0x0f94, 0x0f95, 0x0f96,
129 0x0f97, 0x0f98, 0x0f99, 0x0f9a, 0x0f9b, 0x0f9c, 0x0f9d, 0x0f9e,
130 0x0f9f, 0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6,
131 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce,
132 0x03cf, 0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6,
133 0x00e7, 0x0030, 0x0031, 0x0032, 0x0033, 0x0008, 0x0009, 0x0002,
134 0x0000, 0x0003, 0x000a, 0x000b, 0x0034, 0x0035, 0x0036, 0x0037,
135 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
136 0x03d0, 0x03d1, 0x03d2, 0x03d3, 0x03d4, 0x03d5, 0x03d6, 0x03d7,
137 0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
138 0x0fa0, 0x0fa1, 0x0fa2, 0x0fa3, 0x0fa4, 0x0fa5, 0x0fa6, 0x0fa7,
139 0x0fa8, 0x0fa9, 0x0faa, 0x0fab, 0x0fac, 0x0fad, 0x0fae, 0x0faf,
140 0x0fb0, 0x0fb1, 0x0fb2, 0x0fb3, 0x0fb4, 0x0fb5, 0x0fb6, 0x0fb7,
141 0x0fb8, 0x0fb9, 0x0fba, 0x0fbb, 0x0fbc, 0x0fbd, 0x0fbe, 0x0fbf,
142 0x3f40, 0x3f41, 0x3f42, 0x3f43, 0x3f44, 0x3f45, 0x3f46, 0x3f47,
143 0x3f48, 0x3f49, 0x3f4a, 0x3f4b, 0x3f4c, 0x3f4d, 0x3f4e, 0x3f4f,
144 0x3f50, 0x3f51, 0x3f52, 0x3f53, 0x3f54, 0x3f55, 0x3f56, 0x3f57,
145 0x3f58, 0x3f59, 0x3f5a, 0x3f5b, 0x3f5c, 0x3f5d, 0x3f5e, 0x3f5f,
146 0x3f60, 0x3f61, 0x3f62, 0x3f63, 0x3f64, 0x3f65, 0x3f66, 0x3f67,
147 0x3f68, 0x3f69, 0x3f6a, 0x3f6b, 0x3f6c, 0x3f6d, 0x3f6e, 0x3f6f,
148 0x3f70, 0x3f71, 0x3f72, 0x3f73, 0x3f74, 0x3f75, 0x3f76, 0x3f77,
149 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;
283 if (
show_bits(&s->
gb, 12) == 0 || (mb_xy && mb_xy < s->mb_num)) {
302 int seq, mb_pos, i, ret;
343 rpr_bits =
FFMIN((rpr_bits >> 1) + 1, 3);
361 "attempting to change resolution to %dx%d\n", new_w, new_h);
382 seq |= s->
time & ~0x7FFF;
383 if (seq - s->
time > 0x4000)
385 if (seq - s->
time < -0x4000)
388 if (seq != s->
time) {
399 "from seeking? skipping current b frame\n");
432 int major_ver, minor_ver, micro_ver, ret;
462 s->
obmc = micro_ver == 2;
465 if (minor_ver >= 2) {
512 const uint8_t *buf,
int buf_size,
int buf_size2)
516 int mb_count, mb_pos, left, start_mb_x, active_bits_size, ret;
518 active_bits_size = buf_size * 8;
536 if (mb_count > left) {
567 start_mb_x = s->
mb_x;
614 active_bits_size = buf_size2 * 8;
616 8 * buf_size, active_bits_size);
644 return active_bits_size;
656 void *
data,
int *got_frame,
660 int buf_size = avpkt->
size;
675 slice_count = (*buf++) + 1;
678 if (!slice_count || buf_size <= 8 * slice_count) {
683 slices_hdr = buf + 4;
684 buf += 8 * slice_count;
685 buf_size -= 8 * slice_count;
689 for (i = 0; i < slice_count; i++) {
693 if (offset >= buf_size)
696 if (i + 1 == slice_count)
697 size = buf_size - offset;
701 if (i + 2 >= slice_count)
702 size2 = buf_size - offset;
706 if (size <= 0 || size2 <= 0 ||
707 offset +
FFMAX(size, size2) > buf_size)
int rv10_first_dc_coded[3]
void ff_init_block_index(MpegEncContext *s)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
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 e.g.
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]
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.
void ff_er_frame_end(ERContext *s)
av_cold void ff_h263dsp_init(H263DSPContext *ctx)
int obmc
overlapped block motion compensation
void ff_print_debug_info(MpegEncContext *s, Picture *p)
Print debugging info for the given picture.
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)
static int rv10_decode_picture_header(MpegEncContext *s)
int h263_aic
Advanded INTRA Coding (AIC)
int ff_h263_decode_mb(MpegEncContext *s, int16_t block[6][64])
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)
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
void ff_h263_decode_init_vlc(void)
#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)
int av_frame_ref(AVFrame *dst, const AVFrame *src)
Set up a new reference to the data described by the source frame.
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...
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
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)
void ff_set_qscale(MpegEncContext *s, int qscale)
set qscale and update qscale dependent variables.
int slice_count
slice count
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int has_b_frames
Size of the frame reordering buffer in the decoder.
int last_dc[3]
last DC values for MPEG1
void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy, int status)
Add a slice.
#define CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
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 AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
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
void ff_mpeg_flush(AVCodecContext *avctx)
int resync_mb_x
x position of last resync marker
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)
void ff_mpeg_er_frame_start(MpegEncContext *s)
enum AVPictureType pict_type
Picture type of the frame.
#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)
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 called after decoding the header and before a frame is decoded.
static av_cold int rv10_decode_end(AVCodecContext *avctx)
#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)
#define AV_LOG_INFO
Standard information.
static const uint16_t rv_lum_code[256]
Libavcodec external API header.
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)
void ff_MPV_decode_mb(MpegEncContext *s, int16_t block[12][64])
static void skip_bits(GetBitContext *s, int n)
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
int f_code
forward MV resolution
int pict_type
AV_PICTURE_TYPE_I, AV_PICTURE_TYPE_P, AV_PICTURE_TYPE_B, ...
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)
common internal api header.
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.
Picture * last_picture_ptr
pointer to the previous picture.
const uint8_t * chroma_qscale_table
qscale -> chroma_qscale (h263)
static av_cold int init(AVCodecParserContext *s)
static int rv20_decode_picture_header(RVDecContext *rv)
void ff_MPV_common_end(MpegEncContext *s)
static const uint8_t rv_lum_bits[256]
int resync_mb_y
y position of last resync marker
int16_t(* block)[64]
points to one of the following blocks
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)