28 #include "libavutil/imgutils.h"
35 #define RV_GET_MAJOR_VER(x) ((x) >> 28)
36 #define RV_GET_MINOR_VER(x) (((x) >> 20) & 0xFF)
37 #define RV_GET_MICRO_VER(x) (((x) >> 12) & 0xFF)
39 #define DC_VLC_BITS 14 //FIXME find a better solution
47 0x3e7f, 0x0f00, 0x0f01, 0x0f02, 0x0f03, 0x0f04, 0x0f05, 0x0f06,
48 0x0f07, 0x0f08, 0x0f09, 0x0f0a, 0x0f0b, 0x0f0c, 0x0f0d, 0x0f0e,
49 0x0f0f, 0x0f10, 0x0f11, 0x0f12, 0x0f13, 0x0f14, 0x0f15, 0x0f16,
50 0x0f17, 0x0f18, 0x0f19, 0x0f1a, 0x0f1b, 0x0f1c, 0x0f1d, 0x0f1e,
51 0x0f1f, 0x0f20, 0x0f21, 0x0f22, 0x0f23, 0x0f24, 0x0f25, 0x0f26,
52 0x0f27, 0x0f28, 0x0f29, 0x0f2a, 0x0f2b, 0x0f2c, 0x0f2d, 0x0f2e,
53 0x0f2f, 0x0f30, 0x0f31, 0x0f32, 0x0f33, 0x0f34, 0x0f35, 0x0f36,
54 0x0f37, 0x0f38, 0x0f39, 0x0f3a, 0x0f3b, 0x0f3c, 0x0f3d, 0x0f3e,
55 0x0f3f, 0x0380, 0x0381, 0x0382, 0x0383, 0x0384, 0x0385, 0x0386,
56 0x0387, 0x0388, 0x0389, 0x038a, 0x038b, 0x038c, 0x038d, 0x038e,
57 0x038f, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396,
58 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e,
59 0x039f, 0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6,
60 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce,
61 0x00cf, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056,
62 0x0057, 0x0020, 0x0021, 0x0022, 0x0023, 0x000c, 0x000d, 0x0004,
63 0x0000, 0x0005, 0x000e, 0x000f, 0x0024, 0x0025, 0x0026, 0x0027,
64 0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
65 0x00d0, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7,
66 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x00dd, 0x00de, 0x00df,
67 0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
68 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
69 0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
70 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
71 0x0f40, 0x0f41, 0x0f42, 0x0f43, 0x0f44, 0x0f45, 0x0f46, 0x0f47,
72 0x0f48, 0x0f49, 0x0f4a, 0x0f4b, 0x0f4c, 0x0f4d, 0x0f4e, 0x0f4f,
73 0x0f50, 0x0f51, 0x0f52, 0x0f53, 0x0f54, 0x0f55, 0x0f56, 0x0f57,
74 0x0f58, 0x0f59, 0x0f5a, 0x0f5b, 0x0f5c, 0x0f5d, 0x0f5e, 0x0f5f,
75 0x0f60, 0x0f61, 0x0f62, 0x0f63, 0x0f64, 0x0f65, 0x0f66, 0x0f67,
76 0x0f68, 0x0f69, 0x0f6a, 0x0f6b, 0x0f6c, 0x0f6d, 0x0f6e, 0x0f6f,
77 0x0f70, 0x0f71, 0x0f72, 0x0f73, 0x0f74, 0x0f75, 0x0f76, 0x0f77,
78 0x0f78, 0x0f79, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f7e, 0x0f7f,
82 14, 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, 12, 12, 12, 12, 12, 12, 12,
90 12, 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, 10, 10, 10, 10, 10, 10, 10,
94 10, 8, 8, 8, 8, 8, 8, 8,
95 8, 8, 8, 8, 8, 8, 8, 8,
96 8, 7, 7, 7, 7, 7, 7, 7,
97 7, 6, 6, 6, 6, 5, 5, 4,
98 2, 4, 5, 5, 6, 6, 6, 6,
99 7, 7, 7, 7, 7, 7, 7, 7,
100 8, 8, 8, 8, 8, 8, 8, 8,
101 8, 8, 8, 8, 8, 8, 8, 8,
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 10, 10, 10, 10, 10, 10, 10, 10,
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,
113 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,
152 16, 14, 14, 14, 14, 14, 14, 14,
153 14, 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, 12, 12, 12, 12, 12, 12, 12,
161 12, 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, 10, 10, 10, 10, 10, 10, 10,
165 10, 10, 10, 10, 10, 10, 10, 10,
166 10, 8, 8, 8, 8, 8, 8, 8,
167 8, 6, 6, 6, 6, 4, 4, 3,
168 2, 3, 4, 4, 6, 6, 6, 6,
169 8, 8, 8, 8, 8, 8, 8, 8,
170 10, 10, 10, 10, 10, 10, 10, 10,
171 10, 10, 10, 10, 10, 10, 10, 10,
172 12, 12, 12, 12, 12, 12, 12, 12,
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 14, 14, 14, 14, 14, 14, 14, 14,
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,
201 }
else if (code == 0x7d) {
203 }
else if (code == 0x7e) {
208 }
else if (code == 0x7f) {
222 }
else if (code == 0x1fd) {
224 }
else if (code == 0x1fe) {
241 int mb_count, pb_frame, marker, mb_xy;
282 if (
show_bits(&s->
gb, 12) == 0 || (mb_xy && mb_xy < s->mb_num)) {
301 int seq, mb_pos, i,
ret;
346 rpr_bits =
FFMIN((rpr_bits >> 1) + 1, 3);
365 "attempting to change resolution to %dx%d\n", new_w, new_h);
393 seq |= s->
time & ~0x7FFF;
394 if (seq - s->
time > 0x4000)
396 if (seq - s->
time < -0x4000)
399 if (seq != s->
time) {
412 "messed up order, possible from seeking? skipping current b frame\n");
413 #define ERROR_SKIP_FRAME -123
446 int major_ver, minor_ver, micro_ver,
ret;
476 s->
obmc = micro_ver == 2;
479 if (minor_ver >= 2) {
525 const uint8_t *
buf,
int buf_size,
int buf_size2)
529 int mb_count, mb_pos, left, start_mb_x, active_bits_size,
ret;
531 active_bits_size = buf_size * 8;
550 if (mb_count > left) {
582 start_mb_x = s->
mb_x;
629 active_bits_size = buf_size2 * 8;
631 8 * buf_size, active_bits_size);
659 return active_bits_size;
671 void *
data,
int *got_frame,
675 int buf_size = avpkt->
size;
680 const uint8_t *slices_hdr = NULL;
692 slice_count = (*buf++) + 1;
695 if (!slice_count || buf_size <= 8 * slice_count) {
700 slices_hdr = buf + 4;
701 buf += 8 * slice_count;
702 buf_size -= 8 * slice_count;
706 for (i = 0; i < slice_count; i++) {
710 if (offset >= buf_size)
713 if (i + 1 == slice_count)
718 if (i + 2 >= slice_count)
719 size2 = buf_size -
offset;
723 if (size <= 0 || size2 <= 0 ||
724 offset +
FFMAX(size, size2) > buf_size)
int rv10_first_dc_coded[3]
void ff_init_block_index(MpegEncContext *s)
#define AVERROR_PATCHWELCOME
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]
static av_cold int init(AVCodecContext *avctx)
void ff_er_frame_end(ERContext *s)
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
int obmc
overlapped block motion compensation
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
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)
int * slice_offset
slice offsets in the frame in bytes
static int rv10_decode_picture_header(MpegEncContext *s)
int h263_aic
Advanded INTRA Coding (AIC)
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int ff_h263_decode_mb(MpegEncContext *s, int16_t block[6][64])
#define FF_QSCALE_TYPE_MPEG1
int mb_num_left
number of MBs left in this video packet (for partitioned Slices only)
int64_t time
time of current frame
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
static const uint8_t offset[511][2]
#define RV_GET_MICRO_VER(x)
const char * name
Name of the codec implementation.
int no_rounding
apply no rounding to motion compensation (MPEG4, msmpeg4, ...) for b-frames rounding mode is always 0...
int av_frame_ref(AVFrame *dst, AVFrame *src)
Setup a new reference to the data described by a given frame.
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
AVRational av_mul_q(AVRational b, AVRational c) av_const
Multiply two rationals.
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 flags2
AVCodecContext.flags2.
int mb_height
number of MBs horizontally & vertically
int lowres
low resolution decoding, 1-> 1/2 size, 2->1/4 size
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.
#define RV_GET_MINOR_VER(x)
void ff_mpeg4_init_direct_mv(MpegEncContext *s)
int low_delay
no reordering needed / has no b-frames
Libavcodec external API header.
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)
int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type)
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 for encode/decode called after coding/decoding the header and before a frame is code...
static av_cold int rv10_decode_end(AVCodecContext *avctx)
static void flush(AVCodecContext *avctx)
#define MV_TYPE_16X16
1 vector for the whole mb
int first_slice_line
used in mpeg4 too to handle resync markers
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
static av_cold int rv10_decode_init(AVCodecContext *avctx)
#define AV_LOG_INFO
Standard information.
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]
void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict)
#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)
rational number numerator/denominator
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, ...
#define FF_DEBUG_PICT_INFO
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
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]
int ff_rv_decode_dc(MpegEncContext *s, int n)
Picture * last_picture_ptr
pointer to the previous picture.
const uint8_t * chroma_qscale_table
qscale -> chroma_qscale (h263)
static int rv20_decode_picture_header(RVDecContext *rv)
#define AVERROR_INVALIDDATA
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 frame_number
Frame counter, set by libavcodec.
int flags
AVCodecContext.flags (HQ, MV4, ...)
int rv10_version
RV10 version: 0 or 3.
static int decode(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
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)