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libxvid: K&R formatting cosmetics

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Signed-off-by: Diego Biurrun <diego@biurrun.de>
pull/88/head
Gabriel Dume 10 years ago committed by Diego Biurrun
parent 56a721f020
commit 0a02426826
3 changed files with 329 additions and 309 deletions
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  1. 497
      libavcodec/libxvid.c
  2. 1
      libavcodec/libxvid.h
  3. 140
      libavcodec/libxvid_rc.c

497
libavcodec/libxvid.c
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@ -25,21 +25,23 @@
* @author Adam Thayer (krevnik@comcast.net)
*/
#include <xvid.h>
#include <unistd.h>
#include "avcodec.h"
#include <xvid.h>
#include "libavutil/cpu.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "avcodec.h"
#include "libxvid.h"
#include "mpegvideo.h"
/**
* Buffer management macros.
*/
#define BUFFER_SIZE 1024
#define BUFFER_REMAINING(x) (BUFFER_SIZE - strlen(x))
#define BUFFER_CAT(x) (&((x)[strlen(x)]))
#define BUFFER_SIZE 1024
#define BUFFER_REMAINING(x) (BUFFER_SIZE - strlen(x))
#define BUFFER_CAT(x) (&((x)[strlen(x)]))
/**
* Structure for the private Xvid context.
@ -71,7 +73,7 @@ struct xvid_context {
* Structure for the private first-pass plugin.
*/
struct xvid_ff_pass1 {
int version; /**< Xvid version */
int version; /**< Xvid version */
struct xvid_context *context; /**< Pointer to private context */
};
@ -92,9 +94,9 @@ struct xvid_ff_pass1 {
* @param handle Private context handle
* @return Returns XVID_ERR_xxxx on failure, or 0 on success.
*/
static int xvid_ff_2pass_create(xvid_plg_create_t * param,
void ** handle) {
struct xvid_ff_pass1 *x = (struct xvid_ff_pass1 *)param->param;
static int xvid_ff_2pass_create(xvid_plg_create_t *param, void **handle)
{
struct xvid_ff_pass1 *x = (struct xvid_ff_pass1 *) param->param;
char *log = x->context->twopassbuffer;
/* Do a quick bounds check */
@ -105,12 +107,12 @@ static int xvid_ff_2pass_create(xvid_plg_create_t * param,
/* This is because we can safely prevent a buffer overflow */
log[0] = 0;
snprintf(log, BUFFER_REMAINING(log),
"# avconv 2-pass log file, using xvid codec\n");
"# avconv 2-pass log file, using xvid codec\n");
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
"# Do not modify. libxvidcore version: %d.%d.%d\n\n",
XVID_VERSION_MAJOR(XVID_VERSION),
XVID_VERSION_MINOR(XVID_VERSION),
XVID_VERSION_PATCH(XVID_VERSION));
"# Do not modify. libxvidcore version: %d.%d.%d\n\n",
XVID_VERSION_MAJOR(XVID_VERSION),
XVID_VERSION_MINOR(XVID_VERSION),
XVID_VERSION_PATCH(XVID_VERSION));
*handle = x->context;
return 0;
@ -124,7 +126,8 @@ static int xvid_ff_2pass_create(xvid_plg_create_t * param,
* @return Returns 0, success guaranteed
*/
static int xvid_ff_2pass_destroy(struct xvid_context *ref,
xvid_plg_destroy_t *param) {
xvid_plg_destroy_t *param)
{
/* Currently cannot think of anything to do on destruction */
/* Still, the framework should be here for reference/use */
if (ref->twopassbuffer)
@ -140,35 +143,36 @@ static int xvid_ff_2pass_destroy(struct xvid_context *ref,
* @return Returns 0, success guaranteed
*/
static int xvid_ff_2pass_before(struct xvid_context *ref,
xvid_plg_data_t *param) {
xvid_plg_data_t *param)
{
int motion_remove;
int motion_replacements;
int vop_remove;
/* Nothing to do here, result is changed too much */
if( param->zone && param->zone->mode == XVID_ZONE_QUANT )
if (param->zone && param->zone->mode == XVID_ZONE_QUANT)
return 0;
/* We can implement a 'turbo' first pass mode here */
param->quant = 2;
/* Init values */
motion_remove = ~XVID_ME_CHROMA_PVOP &
~XVID_ME_CHROMA_BVOP &
~XVID_ME_EXTSEARCH16 &
~XVID_ME_ADVANCEDDIAMOND16;
motion_remove = ~XVID_ME_CHROMA_PVOP &
~XVID_ME_CHROMA_BVOP &
~XVID_ME_EXTSEARCH16 &
~XVID_ME_ADVANCEDDIAMOND16;
motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
XVID_ME_SKIP_DELTASEARCH |
XVID_ME_FASTREFINE16 |
XVID_ME_SKIP_DELTASEARCH |
XVID_ME_FASTREFINE16 |
XVID_ME_BFRAME_EARLYSTOP;
vop_remove = ~XVID_VOP_MODEDECISION_RD &
~XVID_VOP_FAST_MODEDECISION_RD &
~XVID_VOP_TRELLISQUANT &
~XVID_VOP_INTER4V &
~XVID_VOP_HQACPRED;
param->vol_flags &= ~XVID_VOL_GMC;
param->vop_flags &= vop_remove;
vop_remove = ~XVID_VOP_MODEDECISION_RD &
~XVID_VOP_FAST_MODEDECISION_RD &
~XVID_VOP_TRELLISQUANT &
~XVID_VOP_INTER4V &
~XVID_VOP_HQACPRED;
param->vol_flags &= ~XVID_VOL_GMC;
param->vop_flags &= vop_remove;
param->motion_flags &= motion_remove;
param->motion_flags |= motion_replacements;
@ -183,7 +187,8 @@ static int xvid_ff_2pass_before(struct xvid_context *ref,
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
*/
static int xvid_ff_2pass_after(struct xvid_context *ref,
xvid_plg_data_t *param) {
xvid_plg_data_t *param)
{
char *log = ref->twopassbuffer;
const char *frame_types = " ipbs";
char frame_type;
@ -193,16 +198,16 @@ static int xvid_ff_2pass_after(struct xvid_context *ref,
return XVID_ERR_FAIL;
/* Convert the type given to us into a character */
if( param->type < 5 && param->type > 0 ) {
if (param->type < 5 && param->type > 0)
frame_type = frame_types[param->type];
} else {
else
return XVID_ERR_FAIL;
}
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
"%c %d %d %d %d %d %d\n",
frame_type, param->stats.quant, param->stats.kblks, param->stats.mblks,
param->stats.ublks, param->stats.length, param->stats.hlength);
"%c %d %d %d %d %d %d\n",
frame_type, param->stats.quant, param->stats.kblks,
param->stats.mblks, param->stats.ublks,
param->stats.length, param->stats.hlength);
return 0;
}
@ -220,25 +225,20 @@ static int xvid_ff_2pass_after(struct xvid_context *ref,
*/
static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
{
switch( cmd ) {
case XVID_PLG_INFO:
case XVID_PLG_FRAME:
return 0;
case XVID_PLG_BEFORE:
return xvid_ff_2pass_before(ref, p1);
case XVID_PLG_CREATE:
return xvid_ff_2pass_create(p1, p2);
case XVID_PLG_AFTER:
return xvid_ff_2pass_after(ref, p1);
case XVID_PLG_DESTROY:
return xvid_ff_2pass_destroy(ref, p1);
default:
return XVID_ERR_FAIL;
switch (cmd) {
case XVID_PLG_INFO:
case XVID_PLG_FRAME:
return 0;
case XVID_PLG_BEFORE:
return xvid_ff_2pass_before(ref, p1);
case XVID_PLG_CREATE:
return xvid_ff_2pass_create(p1, p2);
case XVID_PLG_AFTER:
return xvid_ff_2pass_after(ref, p1);
case XVID_PLG_DESTROY:
return xvid_ff_2pass_destroy(ref, p1);
default:
return XVID_ERR_FAIL;
}
}
@ -255,23 +255,23 @@ static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
* @param frame_len Length of encoded frame data
* @return Returns new length of frame data
*/
static int xvid_strip_vol_header(AVCodecContext *avctx,
AVPacket *pkt,
unsigned int header_len,
unsigned int frame_len) {
static int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt,
unsigned int header_len,
unsigned int frame_len)
{
int vo_len = 0, i;
for( i = 0; i < header_len - 3; i++ ) {
if( pkt->data[i] == 0x00 &&
pkt->data[i+1] == 0x00 &&
pkt->data[i+2] == 0x01 &&
pkt->data[i+3] == 0xB6 ) {
for (i = 0; i < header_len - 3; i++) {
if (pkt->data[i] == 0x00 &&
pkt->data[i + 1] == 0x00 &&
pkt->data[i + 2] == 0x01 &&
pkt->data[i + 3] == 0xB6) {
vo_len = i;
break;
}
}
if( vo_len > 0 ) {
if (vo_len > 0) {
/* We need to store the header, so extract it */
if (!avctx->extradata) {
avctx->extradata = av_malloc(vo_len);
@ -279,7 +279,7 @@ static int xvid_strip_vol_header(AVCodecContext *avctx,
avctx->extradata_size = vo_len;
}
/* Less dangerous now, memmove properly copies the two
chunks of overlapping data */
* chunks of overlapping data */
memmove(pkt->data, &pkt->data[vo_len], frame_len - vo_len);
pkt->size = frame_len - vo_len;
}
@ -306,114 +306,113 @@ static void xvid_correct_framerate(AVCodecContext *avctx)
fbase = avctx->time_base.num;
gcd = av_gcd(frate, fbase);
if( gcd > 1 ) {
if (gcd > 1) {
frate /= gcd;
fbase /= gcd;
}
if( frate <= 65000 && fbase <= 65000 ) {
if (frate <= 65000 && fbase <= 65000) {
avctx->time_base.den = frate;
avctx->time_base.num = fbase;
return;
}
fps = (float)frate / (float)fbase;
fps = (float) frate / (float) fbase;
est_fps = roundf(fps * 1000.0) / 1000.0;
est_frate = (int)est_fps;
if( est_fps > (int)est_fps ) {
est_frate = (int) est_fps;
if (est_fps > (int) est_fps) {
est_frate = (est_frate + 1) * 1000;
est_fbase = (int)roundf((float)est_frate / est_fps);
est_fbase = (int) roundf((float) est_frate / est_fps);
} else
est_fbase = 1;
gcd = av_gcd(est_frate, est_fbase);
if( gcd > 1 ) {
if (gcd > 1) {
est_frate /= gcd;
est_fbase /= gcd;
}
if( fbase > est_fbase ) {
if (fbase > est_fbase) {
avctx->time_base.den = est_frate;
avctx->time_base.num = est_fbase;
av_log(avctx, AV_LOG_DEBUG,
"Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
est_fps, (((est_fps - fps)/fps) * 100.0));
"Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
est_fps, (((est_fps - fps) / fps) * 100.0));
} else {
avctx->time_base.den = frate;
avctx->time_base.num = fbase;
}
}
static av_cold int xvid_encode_init(AVCodecContext *avctx) {
static av_cold int xvid_encode_init(AVCodecContext *avctx)
{
int xerr, i;
int xvid_flags = avctx->flags;
struct xvid_context *x = avctx->priv_data;
uint16_t *intra, *inter;
int fd;
xvid_plugin_single_t single = { 0 };
struct xvid_ff_pass1 rc2pass1 = { 0 };
xvid_plugin_2pass2_t rc2pass2 = { 0 };
xvid_plugin_single_t single = { 0 };
struct xvid_ff_pass1 rc2pass1 = { 0 };
xvid_plugin_2pass2_t rc2pass2 = { 0 };
xvid_plugin_lumimasking_t masking_l = { 0 }; /* For lumi masking */
xvid_plugin_lumimasking_t masking_v = { 0 }; /* For variance AQ */
xvid_plugin_ssim_t ssim = { 0 };
xvid_gbl_init_t xvid_gbl_init = { 0 };
xvid_enc_create_t xvid_enc_create = { 0 };
xvid_plugin_ssim_t ssim = { 0 };
xvid_gbl_init_t xvid_gbl_init = { 0 };
xvid_enc_create_t xvid_enc_create = { 0 };
xvid_enc_plugin_t plugins[7];
/* Bring in VOP flags from avconv command-line */
x->vop_flags = XVID_VOP_HALFPEL; /* Bare minimum quality */
if( xvid_flags & CODEC_FLAG_4MV )
if (xvid_flags & CODEC_FLAG_4MV)
x->vop_flags |= XVID_VOP_INTER4V; /* Level 3 */
if( avctx->trellis
)
if (avctx->trellis)
x->vop_flags |= XVID_VOP_TRELLISQUANT; /* Level 5 */
if( xvid_flags & CODEC_FLAG_AC_PRED )
if (xvid_flags & CODEC_FLAG_AC_PRED)
x->vop_flags |= XVID_VOP_HQACPRED; /* Level 6 */
if( xvid_flags & CODEC_FLAG_GRAY )
if (xvid_flags & CODEC_FLAG_GRAY)
x->vop_flags |= XVID_VOP_GREYSCALE;
/* Decide which ME quality setting to use */
x->me_flags = 0;
switch( avctx->me_method ) {
case ME_FULL: /* Quality 6 */
x->me_flags |= XVID_ME_EXTSEARCH16
| XVID_ME_EXTSEARCH8;
case ME_EPZS: /* Quality 4 */
x->me_flags |= XVID_ME_ADVANCEDDIAMOND8
| XVID_ME_HALFPELREFINE8
| XVID_ME_CHROMA_PVOP
| XVID_ME_CHROMA_BVOP;
case ME_LOG: /* Quality 2 */
case ME_PHODS:
case ME_X1:
x->me_flags |= XVID_ME_ADVANCEDDIAMOND16
| XVID_ME_HALFPELREFINE16;
case ME_ZERO: /* Quality 0 */
default:
break;
switch (avctx->me_method) {
case ME_FULL: /* Quality 6 */
x->me_flags |= XVID_ME_EXTSEARCH16 |
XVID_ME_EXTSEARCH8;
case ME_EPZS: /* Quality 4 */
x->me_flags |= XVID_ME_ADVANCEDDIAMOND8 |
XVID_ME_HALFPELREFINE8 |
XVID_ME_CHROMA_PVOP |
XVID_ME_CHROMA_BVOP;
case ME_LOG: /* Quality 2 */
case ME_PHODS:
case ME_X1:
x->me_flags |= XVID_ME_ADVANCEDDIAMOND16 |
XVID_ME_HALFPELREFINE16;
case ME_ZERO: /* Quality 0 */
default:
break;
}
/* Decide how we should decide blocks */
switch( avctx->mb_decision ) {
case 2:
x->vop_flags |= XVID_VOP_MODEDECISION_RD;
x->me_flags |= XVID_ME_HALFPELREFINE8_RD
| XVID_ME_QUARTERPELREFINE8_RD
| XVID_ME_EXTSEARCH_RD
| XVID_ME_CHECKPREDICTION_RD;
case 1:
if( !(x->vop_flags & XVID_VOP_MODEDECISION_RD) )
x->vop_flags |= XVID_VOP_FAST_MODEDECISION_RD;
x->me_flags |= XVID_ME_HALFPELREFINE16_RD
| XVID_ME_QUARTERPELREFINE16_RD;
default:
break;
switch (avctx->mb_decision) {
case 2:
x->vop_flags |= XVID_VOP_MODEDECISION_RD;
x->me_flags |= XVID_ME_HALFPELREFINE8_RD |
XVID_ME_QUARTERPELREFINE8_RD |
XVID_ME_EXTSEARCH_RD |
XVID_ME_CHECKPREDICTION_RD;
case 1:
if (!(x->vop_flags & XVID_VOP_MODEDECISION_RD))
x->vop_flags |= XVID_VOP_FAST_MODEDECISION_RD;
x->me_flags |= XVID_ME_HALFPELREFINE16_RD |
XVID_ME_QUARTERPELREFINE16_RD;
default:
break;
}
/* Bring in VOL flags from avconv command-line */
@ -425,17 +424,17 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
x->vol_flags = 0;
if (x->gmc) {
x->vol_flags |= XVID_VOL_GMC;
x->me_flags |= XVID_ME_GME_REFINE;
x->me_flags |= XVID_ME_GME_REFINE;
}
if( xvid_flags & CODEC_FLAG_QPEL ) {
if (xvid_flags & CODEC_FLAG_QPEL) {
x->vol_flags |= XVID_VOL_QUARTERPEL;
x->me_flags |= XVID_ME_QUARTERPELREFINE16;
if( x->vop_flags & XVID_VOP_INTER4V )
x->me_flags |= XVID_ME_QUARTERPELREFINE16;
if (x->vop_flags & XVID_VOP_INTER4V)
x->me_flags |= XVID_ME_QUARTERPELREFINE8;
}
xvid_gbl_init.version = XVID_VERSION;
xvid_gbl_init.debug = 0;
xvid_gbl_init.version = XVID_VERSION;
xvid_gbl_init.debug = 0;
xvid_gbl_init.cpu_flags = 0;
/* Initialize */
@ -445,77 +444,78 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
xvid_enc_create.version = XVID_VERSION;
/* Store the desired frame size */
xvid_enc_create.width = x->xsize = avctx->width;
xvid_enc_create.height = x->ysize = avctx->height;
xvid_enc_create.width =
x->xsize = avctx->width;
xvid_enc_create.height =
x->ysize = avctx->height;
/* Xvid can determine the proper profile to use */
/* xvid_enc_create.profile = XVID_PROFILE_S_L3; */
/* We don't use zones */
xvid_enc_create.zones = NULL;
xvid_enc_create.zones = NULL;
xvid_enc_create.num_zones = 0;
xvid_enc_create.num_threads = avctx->thread_count;
xvid_enc_create.plugins = plugins;
xvid_enc_create.plugins = plugins;
xvid_enc_create.num_plugins = 0;
/* Initialize Buffers */
x->twopassbuffer = NULL;
x->twopassbuffer = NULL;
x->old_twopassbuffer = NULL;
x->twopassfile = NULL;
x->twopassfile = NULL;
if( xvid_flags & CODEC_FLAG_PASS1 ) {
rc2pass1.version = XVID_VERSION;
rc2pass1.context = x;
x->twopassbuffer = av_malloc(BUFFER_SIZE);
if (xvid_flags & CODEC_FLAG_PASS1) {
rc2pass1.version = XVID_VERSION;
rc2pass1.context = x;
x->twopassbuffer = av_malloc(BUFFER_SIZE);
x->old_twopassbuffer = av_malloc(BUFFER_SIZE);
if (!x->twopassbuffer || !x->old_twopassbuffer) {
av_log(avctx, AV_LOG_ERROR,
"Xvid: Cannot allocate 2-pass log buffers\n");
"Xvid: Cannot allocate 2-pass log buffers\n");
return -1;
}
x->twopassbuffer[0] = x->old_twopassbuffer[0] = 0;
x->twopassbuffer[0] =
x->old_twopassbuffer[0] = 0;
plugins[xvid_enc_create.num_plugins].func = xvid_ff_2pass;
plugins[xvid_enc_create.num_plugins].func = xvid_ff_2pass;
plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
xvid_enc_create.num_plugins++;
} else if( xvid_flags & CODEC_FLAG_PASS2 ) {
} else if (xvid_flags & CODEC_FLAG_PASS2) {
rc2pass2.version = XVID_VERSION;
rc2pass2.bitrate = avctx->bit_rate;
fd = ff_tempfile("xvidff.", &x->twopassfile);
if( fd == -1 ) {
av_log(avctx, AV_LOG_ERROR,
"Xvid: Cannot write 2-pass pipe\n");
if (fd == -1) {
av_log(avctx, AV_LOG_ERROR, "Xvid: Cannot write 2-pass pipe\n");
return -1;
}
if (!avctx->stats_in) {
av_log(avctx, AV_LOG_ERROR,
"Xvid: No 2-pass information loaded for second pass\n");
"Xvid: No 2-pass information loaded for second pass\n");
return -1;
}
if( strlen(avctx->stats_in) >
write(fd, avctx->stats_in, strlen(avctx->stats_in)) ) {
if (strlen(avctx->stats_in) >
write(fd, avctx->stats_in, strlen(avctx->stats_in))) {
close(fd);
av_log(avctx, AV_LOG_ERROR,
"Xvid: Cannot write to 2-pass pipe\n");
av_log(avctx, AV_LOG_ERROR, "Xvid: Cannot write to 2-pass pipe\n");
return -1;
}
close(fd);
rc2pass2.filename = x->twopassfile;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
rc2pass2.filename = x->twopassfile;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
xvid_enc_create.num_plugins++;
} else if( !(xvid_flags & CODEC_FLAG_QSCALE) ) {
} else if (!(xvid_flags & CODEC_FLAG_QSCALE)) {
/* Single Pass Bitrate Control! */
single.version = XVID_VERSION;
single.bitrate = avctx->bit_rate;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
plugins[xvid_enc_create.num_plugins].param = &single;
xvid_enc_create.num_plugins++;
}
@ -531,19 +531,19 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
/* Luminance Masking */
if (x->lumi_aq) {
masking_l.method = 0;
masking_l.method = 0;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
/* The old behavior is that when avctx->lumi_masking is specified,
* plugins[...].param = NULL. Trying to keep the old behavior here. */
plugins[xvid_enc_create.num_plugins].param = avctx->lumi_masking ? NULL
: &masking_l;
xvid_enc_create.num_plugins++;
plugins[xvid_enc_create.num_plugins].param =
avctx->lumi_masking ? NULL : &masking_l;
xvid_enc_create.num_plugins++;
}
/* Variance AQ */
if (x->variance_aq) {
masking_v.method = 1;
masking_v.method = 1;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
plugins[xvid_enc_create.num_plugins].param = &masking_v;
xvid_enc_create.num_plugins++;
@ -551,11 +551,11 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
/* SSIM */
if (x->ssim) {
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_ssim;
ssim.b_printstat = x->ssim == 2;
ssim.acc = x->ssim_acc;
ssim.cpu_flags = xvid_gbl_init.cpu_flags;
ssim.b_visualize = 0;
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_ssim;
ssim.b_printstat = x->ssim == 2;
ssim.acc = x->ssim_acc;
ssim.cpu_flags = xvid_gbl_init.cpu_flags;
ssim.b_visualize = 0;
plugins[xvid_enc_create.num_plugins].param = &ssim;
xvid_enc_create.num_plugins++;
}
@ -564,14 +564,16 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
xvid_correct_framerate(avctx);
xvid_enc_create.fincr = avctx->time_base.num;
xvid_enc_create.fbase = avctx->time_base.den;
if( avctx->gop_size > 0 )
if (avctx->gop_size > 0)
xvid_enc_create.max_key_interval = avctx->gop_size;
else
xvid_enc_create.max_key_interval = 240; /* Xvid's best default */
/* Quants */
if( xvid_flags & CODEC_FLAG_QSCALE ) x->qscale = 1;
else x->qscale = 0;
if (xvid_flags & CODEC_FLAG_QSCALE)
x->qscale = 1;
else
x->qscale = 0;
xvid_enc_create.min_quant[0] = avctx->qmin;
xvid_enc_create.min_quant[1] = avctx->qmin;
@ -581,65 +583,67 @@ static av_cold int xvid_encode_init(AVCodecContext *avctx) {
xvid_enc_create.max_quant[2] = avctx->qmax;
/* Quant Matrices */
x->intra_matrix = x->inter_matrix = NULL;
if( avctx->mpeg_quant )
x->vol_flags |= XVID_VOL_MPEGQUANT;
if( (avctx->intra_matrix || avctx->inter_matrix) ) {
x->vol_flags |= XVID_VOL_MPEGQUANT;
if( avctx->intra_matrix ) {
intra = avctx->intra_matrix;
x->intra_matrix = av_malloc(sizeof(unsigned char) * 64);
} else
intra = NULL;
if( avctx->inter_matrix ) {
inter = avctx->inter_matrix;
x->inter_matrix = av_malloc(sizeof(unsigned char) * 64);
} else
inter = NULL;
for( i = 0; i < 64; i++ ) {
if( intra )
x->intra_matrix[i] = (unsigned char)intra[i];
if( inter )
x->inter_matrix[i] = (unsigned char)inter[i];
}
x->intra_matrix =
x->inter_matrix = NULL;
if (avctx->mpeg_quant)
x->vol_flags |= XVID_VOL_MPEGQUANT;
if ((avctx->intra_matrix || avctx->inter_matrix)) {
x->vol_flags |= XVID_VOL_MPEGQUANT;
if (avctx->intra_matrix) {
intra = avctx->intra_matrix;
x->intra_matrix = av_malloc(sizeof(unsigned char) * 64);
} else
intra = NULL;
if (avctx->inter_matrix) {
inter = avctx->inter_matrix;
x->inter_matrix = av_malloc(sizeof(unsigned char) * 64);
} else
inter = NULL;
for (i = 0; i < 64; i++) {
if (intra)
x->intra_matrix[i] = (unsigned char) intra[i];
if (inter)
x->inter_matrix[i] = (unsigned char) inter[i];
}
}
/* Misc Settings */
xvid_enc_create.frame_drop_ratio = 0;
xvid_enc_create.global = 0;
if( xvid_flags & CODEC_FLAG_CLOSED_GOP )
xvid_enc_create.global = 0;
if (xvid_flags & CODEC_FLAG_CLOSED_GOP)
xvid_enc_create.global |= XVID_GLOBAL_CLOSED_GOP;
/* Determines which codec mode we are operating in */
avctx->extradata = NULL;
avctx->extradata = NULL;
avctx->extradata_size = 0;
if( xvid_flags & CODEC_FLAG_GLOBAL_HEADER ) {
if (xvid_flags & CODEC_FLAG_GLOBAL_HEADER) {
/* In this case, we are claiming to be MPEG4 */
x->quicktime_format = 1;
avctx->codec_id = AV_CODEC_ID_MPEG4;
avctx->codec_id = AV_CODEC_ID_MPEG4;
} else {
/* We are claiming to be Xvid */
x->quicktime_format = 0;
if(!avctx->codec_tag)
if (!avctx->codec_tag)
avctx->codec_tag = AV_RL32("xvid");
}
/* Bframes */
xvid_enc_create.max_bframes = avctx->max_b_frames;
xvid_enc_create.max_bframes = avctx->max_b_frames;
xvid_enc_create.bquant_offset = 100 * avctx->b_quant_offset;
xvid_enc_create.bquant_ratio = 100 * avctx->b_quant_factor;
if( avctx->max_b_frames > 0 && !x->quicktime_format ) xvid_enc_create.global |= XVID_GLOBAL_PACKED;
xvid_enc_create.bquant_ratio = 100 * avctx->b_quant_factor;
if (avctx->max_b_frames > 0 && !x->quicktime_format)
xvid_enc_create.global |= XVID_GLOBAL_PACKED;
/* Create encoder context */
xerr = xvid_encore(NULL, XVID_ENC_CREATE, &xvid_enc_create, NULL);
if( xerr ) {
if (xerr) {
av_log(avctx, AV_LOG_ERROR, "Xvid: Could not create encoder reference\n");
return -1;
}
x->encoder_handle = xvid_enc_create.handle;
x->encoder_handle = xvid_enc_create.handle;
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
@ -651,17 +655,17 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *picture, int *got_packet)
{
int xerr, i, ret, user_packet = !!pkt->data;
char *tmp;
struct xvid_context *x = avctx->priv_data;
AVFrame *p = avctx->coded_frame;
int mb_width = (avctx->width + 15) / 16;
int mb_height = (avctx->height + 15) / 16;
AVFrame *p = avctx->coded_frame;
int mb_width = (avctx->width + 15) / 16;
int mb_height = (avctx->height + 15) / 16;
char *tmp;
xvid_enc_frame_t xvid_enc_frame = { 0 };
xvid_enc_stats_t xvid_enc_stats = { 0 };
if (!user_packet &&
(ret = av_new_packet(pkt, mb_width*mb_height*MAX_MB_BYTES + FF_MIN_BUFFER_SIZE)) < 0) {
(ret = av_new_packet(pkt, mb_width * mb_height * MAX_MB_BYTES + FF_MIN_BUFFER_SIZE)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
return ret;
}
@ -675,27 +679,28 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
xvid_enc_frame.length = pkt->size;
/* Initialize input image fields */
if( avctx->pix_fmt != AV_PIX_FMT_YUV420P ) {
av_log(avctx, AV_LOG_ERROR, "Xvid: Color spaces other than 420p not supported\n");
if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) {
av_log(avctx, AV_LOG_ERROR,
"Xvid: Color spaces other than 420P not supported\n");
return -1;
}
xvid_enc_frame.input.csp = XVID_CSP_PLANAR; /* YUV420P */
for( i = 0; i < 4; i++ ) {
xvid_enc_frame.input.plane[i] = picture->data[i];
for (i = 0; i < 4; i++) {
xvid_enc_frame.input.plane[i] = picture->data[i];
xvid_enc_frame.input.stride[i] = picture->linesize[i];
}
/* Encoder Flags */
xvid_enc_frame.vop_flags = x->vop_flags;
xvid_enc_frame.vol_flags = x->vol_flags;
xvid_enc_frame.motion = x->me_flags;
xvid_enc_frame.type =
xvid_enc_frame.motion = x->me_flags;
xvid_enc_frame.type =
picture->pict_type == AV_PICTURE_TYPE_I ? XVID_TYPE_IVOP :
picture->pict_type == AV_PICTURE_TYPE_P ? XVID_TYPE_PVOP :
picture->pict_type == AV_PICTURE_TYPE_B ? XVID_TYPE_BVOP :
XVID_TYPE_AUTO;
XVID_TYPE_AUTO;
/* Pixel aspect ratio setting */
if (avctx->sample_aspect_ratio.num < 1 || avctx->sample_aspect_ratio.num > 255 ||
@ -704,13 +709,15 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
return -1;
}
xvid_enc_frame.par = XVID_PAR_EXT;
xvid_enc_frame.par = XVID_PAR_EXT;
xvid_enc_frame.par_width = avctx->sample_aspect_ratio.num;
xvid_enc_frame.par_height = avctx->sample_aspect_ratio.den;
/* Quant Setting */
if( x->qscale ) xvid_enc_frame.quant = picture->quality / FF_QP2LAMBDA;
else xvid_enc_frame.quant = 0;
if (x->qscale)
xvid_enc_frame.quant = picture->quality / FF_QP2LAMBDA;
else
xvid_enc_frame.quant = 0;
/* Matrices */
xvid_enc_frame.quant_intra_matrix = x->intra_matrix;
@ -718,16 +725,16 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
/* Encode */
xerr = xvid_encore(x->encoder_handle, XVID_ENC_ENCODE,
&xvid_enc_frame, &xvid_enc_stats);
&xvid_enc_frame, &xvid_enc_stats);
/* Two-pass log buffer swapping */
avctx->stats_out = NULL;
if( x->twopassbuffer ) {
tmp = x->old_twopassbuffer;
if (x->twopassbuffer) {
tmp = x->old_twopassbuffer;
x->old_twopassbuffer = x->twopassbuffer;
x->twopassbuffer = tmp;
x->twopassbuffer[0] = 0;
if( x->old_twopassbuffer[0] != 0 ) {
x->twopassbuffer = tmp;
x->twopassbuffer[0] = 0;
if (x->old_twopassbuffer[0] != 0) {
avctx->stats_out = x->old_twopassbuffer;
}
}
@ -736,21 +743,21 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
*got_packet = 1;
p->quality = xvid_enc_stats.quant * FF_QP2LAMBDA;
if( xvid_enc_stats.type == XVID_TYPE_PVOP )
if (xvid_enc_stats.type == XVID_TYPE_PVOP)
p->pict_type = AV_PICTURE_TYPE_P;
else if( xvid_enc_stats.type == XVID_TYPE_BVOP )
else if (xvid_enc_stats.type == XVID_TYPE_BVOP)
p->pict_type = AV_PICTURE_TYPE_B;
else if( xvid_enc_stats.type == XVID_TYPE_SVOP )
else if (xvid_enc_stats.type == XVID_TYPE_SVOP)
p->pict_type = AV_PICTURE_TYPE_S;
else
p->pict_type = AV_PICTURE_TYPE_I;
if( xvid_enc_frame.out_flags & XVID_KEYFRAME ) {
if (xvid_enc_frame.out_flags & XVID_KEYFRAME) {
p->key_frame = 1;
pkt->flags |= AV_PKT_FLAG_KEY;
if( x->quicktime_format )
pkt->flags |= AV_PKT_FLAG_KEY;
if (x->quicktime_format)
return xvid_strip_vol_header(avctx, pkt,
xvid_enc_stats.hlength, xerr);
} else
xvid_enc_stats.hlength, xerr);
} else
p->key_frame = 0;
pkt->size = xerr;
@ -761,12 +768,14 @@ static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
av_free_packet(pkt);
if (!xerr)
return 0;
av_log(avctx, AV_LOG_ERROR, "Xvid: Encoding Error Occurred: %i\n", xerr);
av_log(avctx, AV_LOG_ERROR,
"Xvid: Encoding Error Occurred: %i\n", xerr);
return -1;
}
}
static av_cold int xvid_encode_close(AVCodecContext *avctx) {
static av_cold int xvid_encode_close(AVCodecContext *avctx)
{
struct xvid_context *x = avctx->priv_data;
xvid_encore(x->encoder_handle, XVID_ENC_DESTROY, NULL, NULL);
@ -786,14 +795,14 @@ static av_cold int xvid_encode_close(AVCodecContext *avctx) {
#define OFFSET(x) offsetof(struct xvid_context, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "lumi_aq", "Luminance masking AQ", OFFSET(lumi_aq), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "variance_aq", "Variance AQ", OFFSET(variance_aq), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "ssim", "Show SSIM information to stdout", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, VE, "ssim" },
{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "ssim" },
{ "avg", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "ssim" },
{ "frame", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, VE, "ssim" },
{ "ssim_acc", "SSIM accuracy", OFFSET(ssim_acc), AV_OPT_TYPE_INT, { .i64 = 2 }, 0, 4, VE },
{ "gmc", "use GMC", OFFSET(gmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "lumi_aq", "Luminance masking AQ", OFFSET(lumi_aq), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "variance_aq", "Variance AQ", OFFSET(variance_aq), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "ssim", "Show SSIM information to stdout", OFFSET(ssim), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, VE, "ssim" },
{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, INT_MIN, INT_MAX, VE, "ssim" },
{ "avg", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, VE, "ssim" },
{ "frame", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, VE, "ssim" },
{ "ssim_acc", "SSIM accuracy", OFFSET(ssim_acc), AV_OPT_TYPE_INT, { .i64 = 2 }, 0, 4, VE },
{ "gmc", "use GMC", OFFSET(gmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ NULL },
};
@ -813,6 +822,6 @@ AVCodec ff_libxvid_encoder = {
.init = xvid_encode_init,
.encode2 = xvid_encode_frame,
.close = xvid_encode_close,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
.priv_class = &xvid_class,
};

1
libavcodec/libxvid.h
Unescape View File

@ -26,7 +26,6 @@
* common functions for use with the Xvid wrappers
*/
int ff_tempfile(const char *prefix, char **filename);
#endif /* AVCODEC_LIBXVID_H */

140
libavcodec/libxvid_rc.c
Unescape View File

@ -21,33 +21,33 @@
*/
#include "config.h"
#include <xvid.h>
#include <unistd.h>
#if !HAVE_MKSTEMP
#include <fcntl.h>
#endif
#include <unistd.h>
#include <xvid.h>
#include "libavutil/attributes.h"
#include "libavutil/internal.h"
#include "avcodec.h"
#include "libxvid.h"
#include "mpegvideo.h"
#undef NDEBUG
#include <assert.h>
/* Wrapper to work around the lack of mkstemp() on mingw.
* Also, tries to create file in /tmp first, if possible.
* *prefix can be a character constant; *filename will be allocated internally.
* @return file descriptor of opened file (or -1 on error)
* and opened file name in **filename. */
int ff_tempfile(const char *prefix, char **filename) {
int fd=-1;
int ff_tempfile(const char *prefix, char **filename)
{
int fd = -1;
#if !HAVE_MKSTEMP
*filename = tempnam(".", prefix);
#else
size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */
*filename = av_malloc(len);
*filename = av_malloc(len);
#endif
/* -----common section-----*/
if (!(*filename)) {
@ -79,94 +79,105 @@ av_cold int ff_xvid_rate_control_init(MpegEncContext *s)
xvid_plg_create_t xvid_plg_create = { 0 };
xvid_plugin_2pass2_t xvid_2pass2 = { 0 };
fd=ff_tempfile("xvidrc.", &tmp_name);
fd = ff_tempfile("xvidrc.", &tmp_name);
if (fd == -1) {
av_log(NULL, AV_LOG_ERROR, "Can't create temporary pass2 file.\n");
return -1;
}
for(i=0; i<s->rc_context.num_entries; i++){
for (i = 0; i < s->rc_context.num_entries; i++) {
static const char frame_types[] = " ipbs";
char tmp[256];
RateControlEntry *rce;
rce= &s->rc_context.entry[i];
rce = &s->rc_context.entry[i];
snprintf(tmp, sizeof(tmp), "%c %d %d %d %d %d %d\n",
frame_types[rce->pict_type], (int)lrintf(rce->qscale / FF_QP2LAMBDA), rce->i_count, s->mb_num - rce->i_count - rce->skip_count,
rce->skip_count, (rce->i_tex_bits + rce->p_tex_bits + rce->misc_bits+7)/8, (rce->header_bits+rce->mv_bits+7)/8);
frame_types[rce->pict_type],
(int) lrintf(rce->qscale / FF_QP2LAMBDA),
rce->i_count, s->mb_num - rce->i_count - rce->skip_count,
rce->skip_count,
(rce->i_tex_bits + rce->p_tex_bits + rce->misc_bits + 7) / 8,
(rce->header_bits + rce->mv_bits + 7) / 8);
write(fd, tmp, strlen(tmp));
}
close(fd);
xvid_2pass2.version= XVID_MAKE_VERSION(1,1,0);
xvid_2pass2.filename= tmp_name;
xvid_2pass2.bitrate= s->avctx->bit_rate;
xvid_2pass2.vbv_size= s->avctx->rc_buffer_size;
xvid_2pass2.vbv_maxrate= s->avctx->rc_max_rate;
xvid_2pass2.vbv_initial= s->avctx->rc_initial_buffer_occupancy;
xvid_2pass2.version = XVID_MAKE_VERSION(1, 1, 0);
xvid_2pass2.filename = tmp_name;
xvid_2pass2.bitrate = s->avctx->bit_rate;
xvid_2pass2.vbv_size = s->avctx->rc_buffer_size;
xvid_2pass2.vbv_maxrate = s->avctx->rc_max_rate;
xvid_2pass2.vbv_initial = s->avctx->rc_initial_buffer_occupancy;
xvid_plg_create.version= XVID_MAKE_VERSION(1,1,0);
xvid_plg_create.fbase= s->avctx->time_base.den;
xvid_plg_create.fincr= s->avctx->time_base.num;
xvid_plg_create.param= &xvid_2pass2;
xvid_plg_create.version = XVID_MAKE_VERSION(1, 1, 0);
xvid_plg_create.fbase = s->avctx->time_base.den;
xvid_plg_create.fincr = s->avctx->time_base.num;
xvid_plg_create.param = &xvid_2pass2;
if(xvid_plugin_2pass2(NULL, XVID_PLG_CREATE, &xvid_plg_create, &s->rc_context.non_lavc_opaque)<0){
if (xvid_plugin_2pass2(NULL, XVID_PLG_CREATE, &xvid_plg_create,
&s->rc_context.non_lavc_opaque) < 0) {
av_log(NULL, AV_LOG_ERROR, "xvid_plugin_2pass2 failed\n");
return -1;
}
return 0;
}
float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run){
float ff_xvid_rate_estimate_qscale(MpegEncContext *s, int dry_run)
{
xvid_plg_data_t xvid_plg_data = { 0 };
xvid_plg_data.version= XVID_MAKE_VERSION(1,1,0);
xvid_plg_data.width = s->width;
xvid_plg_data.height= s->height;
xvid_plg_data.mb_width = s->mb_width;
xvid_plg_data.mb_height= s->mb_height;
xvid_plg_data.fbase= s->avctx->time_base.den;
xvid_plg_data.fincr= s->avctx->time_base.num;
xvid_plg_data.min_quant[0]= s->avctx->qmin;
xvid_plg_data.min_quant[1]= s->avctx->qmin;
xvid_plg_data.min_quant[2]= s->avctx->qmin; //FIXME i/b factor & offset
xvid_plg_data.max_quant[0]= s->avctx->qmax;
xvid_plg_data.max_quant[1]= s->avctx->qmax;
xvid_plg_data.max_quant[2]= s->avctx->qmax; //FIXME i/b factor & offset
xvid_plg_data.bquant_offset = 0; // 100 * s->avctx->b_quant_offset;
xvid_plg_data.bquant_ratio = 100; // * s->avctx->b_quant_factor;
if(!s->rc_context.dry_run_qscale){
if(s->picture_number){
xvid_plg_data.length=
xvid_plg_data.stats.length= (s->frame_bits + 7)/8;
xvid_plg_data.frame_num= s->rc_context.last_picture_number;
xvid_plg_data.quant= s->qscale;
xvid_plg_data.type= s->last_pict_type;
if(xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_AFTER, &xvid_plg_data, NULL)){
av_log(s->avctx, AV_LOG_ERROR, "xvid_plugin_2pass2(handle, XVID_PLG_AFTER, ...) FAILED\n");
xvid_plg_data.version = XVID_MAKE_VERSION(1, 1, 0);
xvid_plg_data.width = s->width;
xvid_plg_data.height = s->height;
xvid_plg_data.mb_width = s->mb_width;
xvid_plg_data.mb_height = s->mb_height;
xvid_plg_data.fbase = s->avctx->time_base.den;
xvid_plg_data.fincr = s->avctx->time_base.num;
xvid_plg_data.min_quant[0] = s->avctx->qmin;
xvid_plg_data.min_quant[1] = s->avctx->qmin;
xvid_plg_data.min_quant[2] = s->avctx->qmin; // FIXME i/b factor & offset
xvid_plg_data.max_quant[0] = s->avctx->qmax;
xvid_plg_data.max_quant[1] = s->avctx->qmax;
xvid_plg_data.max_quant[2] = s->avctx->qmax; // FIXME i/b factor & offset
xvid_plg_data.bquant_offset = 0; // 100 * s->avctx->b_quant_offset;
xvid_plg_data.bquant_ratio = 100; // * s->avctx->b_quant_factor;
if (!s->rc_context.dry_run_qscale) {
if (s->picture_number) {
xvid_plg_data.length =
xvid_plg_data.stats.length = (s->frame_bits + 7) / 8;
xvid_plg_data.frame_num = s->rc_context.last_picture_number;
xvid_plg_data.quant = s->qscale;
xvid_plg_data.type = s->last_pict_type;
if (xvid_plugin_2pass2(s->rc_context.non_lavc_opaque,
XVID_PLG_AFTER, &xvid_plg_data, NULL)) {
av_log(s->avctx, AV_LOG_ERROR,
"xvid_plugin_2pass2(handle, XVID_PLG_AFTER, ...) FAILED\n");
return -1;
}
}
s->rc_context.last_picture_number=
xvid_plg_data.frame_num= s->picture_number;
xvid_plg_data.quant= 0;
if(xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_BEFORE, &xvid_plg_data, NULL)){
av_log(s->avctx, AV_LOG_ERROR, "xvid_plugin_2pass2(handle, XVID_PLG_BEFORE, ...) FAILED\n");
s->rc_context.last_picture_number =
xvid_plg_data.frame_num = s->picture_number;
xvid_plg_data.quant = 0;
if (xvid_plugin_2pass2(s->rc_context.non_lavc_opaque,
XVID_PLG_BEFORE, &xvid_plg_data, NULL)) {
av_log(s->avctx, AV_LOG_ERROR,
"xvid_plugin_2pass2(handle, XVID_PLG_BEFORE, ...) FAILED\n");
return -1;
}
s->rc_context.dry_run_qscale= xvid_plg_data.quant;
s->rc_context.dry_run_qscale = xvid_plg_data.quant;
}
xvid_plg_data.quant= s->rc_context.dry_run_qscale;
if(!dry_run)
s->rc_context.dry_run_qscale= 0;
if(s->pict_type == AV_PICTURE_TYPE_B) //FIXME this is not exactly identical to xvid
return xvid_plg_data.quant * FF_QP2LAMBDA * s->avctx->b_quant_factor + s->avctx->b_quant_offset;
xvid_plg_data.quant = s->rc_context.dry_run_qscale;
if (!dry_run)
s->rc_context.dry_run_qscale = 0;
// FIXME this is not exactly identical to Xvid
if (s->pict_type == AV_PICTURE_TYPE_B)
return xvid_plg_data.quant * FF_QP2LAMBDA * s->avctx->b_quant_factor +
s->avctx->b_quant_offset;
else
return xvid_plg_data.quant * FF_QP2LAMBDA;
}
@ -175,5 +186,6 @@ av_cold void ff_xvid_rate_control_uninit(MpegEncContext *s)
{
xvid_plg_destroy_t xvid_plg_destroy;
xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_DESTROY, &xvid_plg_destroy, NULL);
xvid_plugin_2pass2(s->rc_context.non_lavc_opaque, XVID_PLG_DESTROY,
&xvid_plg_destroy, NULL);
}

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