35 #define END_OF_STREAM 0x001
37 #define XAVS_PART_I8X8 0x002
38 #define XAVS_PART_P8X8 0x010
39 #define XAVS_PART_B8X8 0x100
66 static const int level_map[] = {
73 if (level < 0 || level > XAVS_LOG_DEBUG)
76 av_vlog(p, level_map[level], fmt, args);
80 xavs_nal_t *nals,
int nnal)
89 for (i = 0; i < nnal; i++)
90 size += nals[i].i_payload;
105 for (i = 0; i < nnal; i++) {
106 s = xavs_nal_encode(p, &size, 1, nals + i);
117 const AVFrame *frame,
int *got_packet)
122 xavs_picture_t pic_out;
124 x4->
pic.img.i_csp = XAVS_CSP_I420;
125 x4->
pic.img.i_plane = 3;
128 for (i = 0; i < 3; i++) {
129 x4->
pic.img.plane[i] = frame->
data[i];
133 x4->
pic.i_pts = frame->
pts;
134 x4->
pic.i_type = XAVS_TYPE_AUTO;
138 if (xavs_encoder_encode(x4->
enc, &nal, &nnal,
139 frame? &x4->
pic:
NULL, &pic_out) < 0)
165 pkt->
pts = pic_out.i_pts;
174 switch (pic_out.i_type) {
190 if (pic_out.i_type == XAVS_TYPE_I) {
211 xavs_encoder_close(x4->
enc);
221 xavs_param_default(&x4->
params);
224 x4->
params.p_log_private = avctx;
228 x4->
params.rc.i_rc_method = XAVS_RC_ABR;
234 x4->
params.rc.b_stat_read = 1;
237 x4->
params.rc.i_rc_method = XAVS_RC_CRF;
239 }
else if (x4->
cqp >= 0) {
240 x4->
params.rc.i_rc_method = XAVS_RC_CQP;
255 if (x4->
b_bias != INT_MIN)
294 x4->
params.analyse.inter = XAVS_ANALYSE_I8x8 |XAVS_ANALYSE_PSUB16x16| XAVS_ANALYSE_BSUB16x16;
298 x4->
params.analyse.i_me_method = XAVS_ME_DIA;
301 x4->
params.analyse.i_me_method = XAVS_ME_HEX;
304 x4->
params.analyse.i_me_method = XAVS_ME_UMH;
307 x4->
params.analyse.i_me_method = XAVS_ME_ESA;
310 x4->
params.analyse.i_me_method = XAVS_ME_TESA;
313 x4->
params.analyse.i_me_method = XAVS_ME_HEX;
321 x4->
params.analyse.b_transform_8x8 = 1;
326 if (avctx->
level > 0)
329 x4->
params.rc.f_rate_tolerance =
334 x4->
params.rc.f_vbv_buffer_init =
337 x4->
params.rc.f_vbv_buffer_init = 0.9;
346 x4->
params.i_log_level = XAVS_LOG_DEBUG;
351 x4->
params.b_repeat_headers = 0;
353 x4->
enc = xavs_encoder_open(&x4->
params);
365 int nnal, s, i,
size;
368 s = xavs_encoder_headers(x4->
enc, &nal, &nnal);
371 for (i = 0; i < nnal; i++) {
373 if (nal[i].i_type ==
NAL_SEI) {
375 if (xavs_nal_encode(x4->
sei, &x4->
sei_size, 1, nal + i) < 0)
380 size = xavs_nal_encode(p, &s, 1, nal + i);
390 #define OFFSET(x) offsetof(XavsContext, x)
391 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
394 {
"qp",
"Constant quantization parameter rate control method",
OFFSET(cqp),
AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX,
VE },
395 {
"b-bias",
"Influences how often B-frames are used",
OFFSET(b_bias),
AV_OPT_TYPE_INT, {.i64 = INT_MIN}, INT_MIN, INT_MAX,
VE },
396 {
"cplxblur",
"Reduce fluctuations in QP (before curve compression)",
OFFSET(cplxblur),
AV_OPT_TYPE_FLOAT, {-1 }, -1, FLT_MAX,
VE},
397 {
"direct-pred",
"Direct MV prediction mode",
OFFSET(direct_pred),
AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX,
VE,
"direct-pred" },
404 {
"mixed-refs",
"One reference per partition, as opposed to one reference per macroblock",
OFFSET(mixed_refs),
AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1,
VE },
432 .priv_class = &
class,
#define CODEC_FLAG_INTERLACED_DCT
void * av_malloc(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
This structure describes decoded (raw) audio or video data.
static int XAVS_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
float qblur
amount of qscale smoothing over time (0.0-1.0)
memory handling functions
AVFrame * coded_frame
the picture in the bitstream
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
#define FF_MIN_BUFFER_SIZE
enhanced predictive zonal search
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
static void XAVS_log(void *p, int level, const char *fmt, va_list args)
static const AVOption options[]
int scenechange_threshold
scene change detection threshold 0 is default, larger means fewer detected scene changes.
struct XavsContext XavsContext
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
void av_freep(void *arg)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
static av_cold int XAVS_close(AVCodecContext *avctx)
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
int bit_rate_tolerance
number of bits the bitstream is allowed to diverge from the reference.
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
int64_t pts
presentation timestamp in time_base units (time when frame should be shown to user) If AV_NOPTS_VALUE...
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int me_cmp
motion estimation comparison function
static int init(AVCodecParserContext *s)
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, xavs_nal_t *nals, int nnal)
void av_vlog(void *avcl, int level, const char *fmt, va_list vl)
int chromaoffset
chroma qp offset from luma
int has_b_frames
Size of the frame reordering buffer in the decoder.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
int qmax
maximum quantizer
static av_cold int XAVS_init(AVCodecContext *avctx)
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
int rc_max_rate
maximum bitrate
void av_log(void *avcl, int level, const char *fmt,...)
const char * name
Name of the codec implementation.
float i_quant_factor
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*...
transformed exhaustive search algorithm
int flags
A combination of AV_PKT_FLAG values.
int rc_buffer_size
decoder bitstream buffer size
#define CODEC_CAP_AUTO_THREADS
common internal API header
int refs
number of reference frames
static const AVCodecDefault xavs_defaults[]
int bit_rate
the average bitrate
enum AVPictureType pict_type
Picture type of the frame, see ?_TYPE below.
int width
picture width / height.
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
int ff_alloc_packet(AVPacket *avpkt, int size)
Check AVPacket size and/or allocate data.
int max_qdiff
maximum quantizer difference between frames
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
int linesize[AV_NUM_DATA_POINTERS]
Size, in bytes, of the data for each picture/channel plane.
main external API structure.
static void close(AVCodecParserContext *s)
int qmin
minimum quantizer
Describe the class of an AVClass context structure.
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
#define CODEC_FLAG_GLOBAL_HEADER
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int noise_reduction
noise reduction strength
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
common internal api header.
int trellis
trellis RD quantization
uneven multi-hexagon search
AVCodec ff_libxavs_encoder
int key_frame
1 -> keyframe, 0-> not
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
int frame_number
Frame counter, set by libavcodec.
int me_method
Motion estimation algorithm used for video coding.
AVPixelFormat
Pixel format.
This structure stores compressed data.
int me_subpel_quality
subpel ME quality
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
int keyint_min
minimum GOP size
if(!(ptr_align%ac->ptr_align)&&samples_align >=aligned_len)