31 #include "libavutil/cpu.h"
32 #include "libavutil/intreadwrite.h"
33 #include "libavutil/mathematics.h"
40 #define BUFFER_SIZE 1024
41 #define BUFFER_REMAINING(x) (BUFFER_SIZE - strlen(x))
42 #define BUFFER_CAT(x) (&((x)[strlen(x)]))
102 return XVID_ERR_FAIL;
108 "# avconv 2-pass log file, using xvid codec\n");
110 "# Do not modify. libxvidcore version: %d.%d.%d\n\n",
111 XVID_VERSION_MAJOR(XVID_VERSION),
112 XVID_VERSION_MINOR(XVID_VERSION),
113 XVID_VERSION_PATCH(XVID_VERSION));
127 xvid_plg_destroy_t *param) {
143 xvid_plg_data_t *param) {
145 int motion_replacements;
149 if( param->zone && param->zone->mode == XVID_ZONE_QUANT )
156 motion_remove = ~XVID_ME_CHROMA_PVOP &
157 ~XVID_ME_CHROMA_BVOP &
158 ~XVID_ME_EXTSEARCH16 &
159 ~XVID_ME_ADVANCEDDIAMOND16;
160 motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
161 XVID_ME_SKIP_DELTASEARCH |
162 XVID_ME_FASTREFINE16 |
163 XVID_ME_BFRAME_EARLYSTOP;
164 vop_remove = ~XVID_VOP_MODEDECISION_RD &
165 ~XVID_VOP_FAST_MODEDECISION_RD &
166 ~XVID_VOP_TRELLISQUANT &
170 param->vol_flags &= ~XVID_VOL_GMC;
171 param->vop_flags &= vop_remove;
172 param->motion_flags &= motion_remove;
173 param->motion_flags |= motion_replacements;
186 xvid_plg_data_t *param) {
188 const char *frame_types =
" ipbs";
193 return XVID_ERR_FAIL;
196 if( param->type < 5 && param->type > 0 ) {
197 frame_type = frame_types[param->type];
199 return XVID_ERR_FAIL;
203 "%c %d %d %d %d %d %d\n",
204 frame_type, param->stats.quant, param->stats.kblks, param->stats.mblks,
205 param->stats.ublks, param->stats.length, param->stats.hlength);
228 case XVID_PLG_BEFORE:
231 case XVID_PLG_CREATE:
237 case XVID_PLG_DESTROY:
241 return XVID_ERR_FAIL;
260 unsigned int header_len,
261 unsigned int frame_len) {
264 for( i = 0; i < header_len - 3; i++ ) {
265 if( pkt->
data[i] == 0x00 &&
266 pkt->
data[i+1] == 0x00 &&
267 pkt->
data[i+2] == 0x01 &&
268 pkt->
data[i+3] == 0xB6 ) {
283 memmove(pkt->
data, &pkt->
data[vo_len], frame_len - vo_len);
284 pkt->
size = frame_len - vo_len;
301 int est_frate, est_fbase;
308 gcd =
av_gcd(frate, fbase);
314 if( frate <= 65000 && fbase <= 65000 ) {
320 fps = (float)frate / (
float)fbase;
321 est_fps =
roundf(fps * 1000.0) / 1000.0;
323 est_frate = (int)est_fps;
324 if( est_fps > (
int)est_fps ) {
325 est_frate = (est_frate + 1) * 1000;
326 est_fbase = (int)
roundf((
float)est_frate / est_fps);
330 gcd =
av_gcd(est_frate, est_fbase);
336 if( fbase > est_fbase ) {
340 "Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
341 est_fps, (((est_fps - fps)/fps) * 100.0));
350 int xvid_flags = avctx->
flags;
352 uint16_t *intra, *inter;
355 xvid_plugin_single_t single = { 0 };
357 xvid_plugin_2pass2_t rc2pass2 = { 0 };
358 xvid_plugin_lumimasking_t masking_l = { 0 };
359 xvid_plugin_lumimasking_t masking_v = { 0 };
360 xvid_plugin_ssim_t ssim = { 0 };
361 xvid_gbl_init_t xvid_gbl_init = { 0 };
362 xvid_enc_create_t xvid_enc_create = { 0 };
363 xvid_enc_plugin_t plugins[7];
382 | XVID_ME_EXTSEARCH8;
385 x->
me_flags |= XVID_ME_ADVANCEDDIAMOND8
386 | XVID_ME_HALFPELREFINE8
387 | XVID_ME_CHROMA_PVOP
388 | XVID_ME_CHROMA_BVOP;
393 x->
me_flags |= XVID_ME_ADVANCEDDIAMOND16
394 | XVID_ME_HALFPELREFINE16;
404 x->
vop_flags |= XVID_VOP_MODEDECISION_RD;
405 x->
me_flags |= XVID_ME_HALFPELREFINE8_RD
406 | XVID_ME_QUARTERPELREFINE8_RD
407 | XVID_ME_EXTSEARCH_RD
408 | XVID_ME_CHECKPREDICTION_RD;
410 if( !(x->
vop_flags & XVID_VOP_MODEDECISION_RD) )
411 x->
vop_flags |= XVID_VOP_FAST_MODEDECISION_RD;
412 x->
me_flags |= XVID_ME_HALFPELREFINE16_RD
413 | XVID_ME_QUARTERPELREFINE16_RD;
432 x->
me_flags |= XVID_ME_QUARTERPELREFINE16;
434 x->
me_flags |= XVID_ME_QUARTERPELREFINE8;
437 xvid_gbl_init.version = XVID_VERSION;
438 xvid_gbl_init.debug = 0;
439 xvid_gbl_init.cpu_flags = 0;
442 xvid_global(
NULL, XVID_GBL_INIT, &xvid_gbl_init,
NULL);
445 xvid_enc_create.version = XVID_VERSION;
448 xvid_enc_create.width = x->
xsize = avctx->
width;
455 xvid_enc_create.zones =
NULL;
456 xvid_enc_create.num_zones = 0;
460 xvid_enc_create.plugins = plugins;
461 xvid_enc_create.num_plugins = 0;
469 rc2pass1.
version = XVID_VERSION;
475 "Xvid: Cannot allocate 2-pass log buffers\n");
481 plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
482 xvid_enc_create.num_plugins++;
484 rc2pass2.
version = XVID_VERSION;
490 "Xvid: Cannot write 2-pass pipe\n");
496 "Xvid: No 2-pass information loaded for second pass\n");
504 "Xvid: Cannot write to 2-pass pipe\n");
510 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
511 plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
512 xvid_enc_create.num_plugins++;
515 single.version = XVID_VERSION;
518 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
519 plugins[xvid_enc_create.num_plugins].param = &single;
520 xvid_enc_create.num_plugins++;
529 "variance_aq is ignored when lumi_aq is set.\n");
534 masking_l.method = 0;
535 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
541 xvid_enc_create.num_plugins++;
546 masking_v.method = 1;
547 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
548 plugins[xvid_enc_create.num_plugins].param = &masking_v;
549 xvid_enc_create.num_plugins++;
554 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_ssim;
555 ssim.b_printstat = x->
ssim == 2;
557 ssim.cpu_flags = xvid_gbl_init.cpu_flags;
558 ssim.b_visualize = 0;
559 plugins[xvid_enc_create.num_plugins].param = &ssim;
560 xvid_enc_create.num_plugins++;
568 xvid_enc_create.max_key_interval = avctx->
gop_size;
570 xvid_enc_create.max_key_interval = 240;
573 if( xvid_flags & CODEC_FLAG_QSCALE ) x->
qscale = 1;
576 xvid_enc_create.min_quant[0] = avctx->
qmin;
577 xvid_enc_create.min_quant[1] = avctx->
qmin;
578 xvid_enc_create.min_quant[2] = avctx->
qmin;
579 xvid_enc_create.max_quant[0] = avctx->
qmax;
580 xvid_enc_create.max_quant[1] = avctx->
qmax;
581 xvid_enc_create.max_quant[2] = avctx->
qmax;
601 for( i = 0; i < 64; i++ ) {
610 xvid_enc_create.frame_drop_ratio = 0;
611 xvid_enc_create.global = 0;
613 xvid_enc_create.global |= XVID_GLOBAL_CLOSED_GOP;
636 xerr = xvid_encore(
NULL, XVID_ENC_CREATE, &xvid_enc_create,
NULL);
651 const AVFrame *picture,
int *got_packet)
653 int xerr, i, ret, user_packet = !!pkt->
data;
657 int mb_width = (avctx->
width + 15) / 16;
658 int mb_height = (avctx->
height + 15) / 16;
660 xvid_enc_frame_t xvid_enc_frame = { 0 };
661 xvid_enc_stats_t xvid_enc_stats = { 0 };
670 xvid_enc_frame.version = XVID_VERSION;
671 xvid_enc_stats.version = XVID_VERSION;
674 xvid_enc_frame.bitstream = pkt->
data;
675 xvid_enc_frame.length = pkt->
size;
683 xvid_enc_frame.input.csp = XVID_CSP_PLANAR;
685 for( i = 0; i < 4; i++ ) {
686 xvid_enc_frame.input.plane[i] = picture->
data[i];
687 xvid_enc_frame.input.stride[i] = picture->
linesize[i];
693 xvid_enc_frame.motion = x->
me_flags;
694 xvid_enc_frame.type =
707 xvid_enc_frame.par = XVID_PAR_EXT;
713 else xvid_enc_frame.quant = 0;
721 &xvid_enc_frame, &xvid_enc_stats);
739 if( xvid_enc_stats.type == XVID_TYPE_PVOP )
741 else if( xvid_enc_stats.type == XVID_TYPE_BVOP )
743 else if( xvid_enc_stats.type == XVID_TYPE_SVOP )
747 if( xvid_enc_frame.out_flags & XVID_KEYFRAME ) {
752 xvid_enc_stats.hlength, xerr);
786 #define OFFSET(x) offsetof(struct xvid_context, x)
787 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
void av_free_packet(AVPacket *pkt)
Free a packet.
This structure describes decoded (raw) audio or video data.
int mpeg_quant
0-> h263 quant 1-> mpeg quant
char * old_twopassbuffer
Old character buffer (two-pass)
#define CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
AVCodec ff_libxvid_encoder
#define AV_LOG_WARNING
Something somehow does not look correct.
#define CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
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...
#define BUFFER_REMAINING(x)
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...
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.
unsigned char * intra_matrix
P-Frame Quant Matrix.
int me_flags
Motion Estimation flags.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
#define CODEC_FLAG_QPEL
Use qpel MC.
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
common functions for use with the Xvid wrappers
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
void av_freep(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
#define CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *picture, int *got_packet)
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...
const char * name
Name of the codec implementation.
int quicktime_format
Are we in a QT-based format?
struct xvid_context * context
Pointer to private context.
static int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt, unsigned int header_len, unsigned int frame_len)
Routine to create a global VO/VOL header for MP4 container.
float lumi_masking
luminance masking (0-> disabled)
#define CODEC_FLAG_AC_PRED
H.263 advanced intra coding / MPEG-4 AC prediction.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
Dispatch function for our custom plugin.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
no search, that is use 0,0 vector whenever one is needed
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
int qmax
maximum quantizer
#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 CODEC_FLAG_QSCALE
Use fixed qscale.
int64_t av_const av_gcd(int64_t a, int64_t b)
Return the greatest common divisor of a and b.
Libavcodec external API header.
AVPixelFormat
Pixel format.
int flags
A combination of AV_PKT_FLAG values.
static av_cold int xvid_encode_close(AVCodecContext *avctx)
char * twopassfile
second pass temp file name
static const AVOption options[]
#define BUFFER_SIZE
Buffer management macros.
int vop_flags
VOP flags for Xvid encoder.
int bit_rate
the average bitrate
Structure for the private first-pass plugin.
enum AVPictureType pict_type
Picture type of the frame.
int variance_aq
Variance adaptive quantization.
#define FF_MIN_BUFFER_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
uint16_t * intra_matrix
custom intra quantization matrix
Structure for the private Xvid context.
int width
picture width / height.
static const AVClass xvid_class
void * av_malloc(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
unsigned char * inter_matrix
I-Frame Quant Matrix.
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
int mb_decision
macroblock decision mode
char * stats_out
pass1 encoding statistics output buffer
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
if(ac->has_optimized_func)
int ssim_acc
SSIM accuracy.
main external API structure.
static void close(AVCodecParserContext *s)
int qmin
minimum quantizer
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
Describe the class of an AVClass context structure.
AVFrame * coded_frame
the picture in the bitstream
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
char * twopassbuffer
Character buffer for two-pass.
float b_quant_offset
qscale offset between IP and B-frames
static av_cold int xvid_encode_init(AVCodecContext *avctx)
#define CODEC_FLAG_CLOSED_GOP
static av_always_inline av_const float roundf(float x)
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
int ssim
SSIM information display mode.
#define CODEC_FLAG_GRAY
Only decode/encode grayscale.
int vol_flags
VOL flags for Xvid encoder.
int ff_tempfile(const char *prefix, char **filename)
static int xvid_ff_2pass_create(xvid_plg_create_t *param, void **handle)
Initialize the two-pass plugin and context.
int trellis
trellis RD quantization
static int xvid_ff_2pass_before(struct xvid_context *ref, xvid_plg_data_t *param)
Enable fast encode mode during the first pass.
void * encoder_handle
Handle for Xvid encoder.
static int xvid_ff_2pass_after(struct xvid_context *ref, xvid_plg_data_t *param)
Capture statistic data and write it during first pass.
int key_frame
1 -> keyframe, 0-> not
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
uint16_t * inter_matrix
custom inter quantization matrix
static int xvid_ff_2pass_destroy(struct xvid_context *ref, xvid_plg_destroy_t *param)
Destroy the two-pass plugin context.
static void xvid_correct_framerate(AVCodecContext *avctx)
Routine to correct a possibly erroneous framerate being fed to us.
int me_method
Motion estimation algorithm used for video coding.
int qscale
Do we use constant scale?
av_default_item_name
Return the context name.
#define CODEC_FLAG_4MV
4 MV per MB allowed / advanced prediction for H.263.
This structure stores compressed data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int lumi_aq
Lumi masking as an aq method.