2004-07-16 19:48:30 +00:00
|
|
|
/*
|
|
|
|
* Interface to xvidcore for mpeg4 encoding
|
|
|
|
* Copyright (c) 2004 Adam Thayer <krevnik@comcast.net>
|
|
|
|
*
|
2006-10-07 15:30:46 +00:00
|
|
|
* This file is part of FFmpeg.
|
|
|
|
*
|
|
|
|
* FFmpeg is free software; you can redistribute it and/or
|
2004-07-16 19:48:30 +00:00
|
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
|
|
* License as published by the Free Software Foundation; either
|
2006-10-07 15:30:46 +00:00
|
|
|
* version 2.1 of the License, or (at your option) any later version.
|
2004-07-16 19:48:30 +00:00
|
|
|
*
|
2006-10-07 15:30:46 +00:00
|
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
2004-07-16 19:48:30 +00:00
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
* Lesser General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU Lesser General Public
|
2006-10-07 15:30:46 +00:00
|
|
|
* License along with FFmpeg; if not, write to the Free Software
|
2006-01-12 22:43:26 +00:00
|
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
2004-07-16 19:48:30 +00:00
|
|
|
*/
|
2005-12-17 18:14:38 +00:00
|
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|
2004-07-16 19:48:30 +00:00
|
|
|
/**
|
2010-04-20 14:45:34 +00:00
|
|
|
* @file
|
2004-07-16 19:48:30 +00:00
|
|
|
* Interface to xvidcore for MPEG-4 compliant encoding.
|
|
|
|
* @author Adam Thayer (krevnik@comcast.net)
|
|
|
|
*/
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
#include <xvid.h>
|
2014-08-20 21:25:21 +00:00
|
|
|
|
2010-09-08 15:07:14 +00:00
|
|
|
#include "libavutil/cpu.h"
|
2014-08-26 19:45:39 +00:00
|
|
|
#include "libavutil/file.h"
|
2009-01-17 12:51:26 +00:00
|
|
|
#include "libavutil/intreadwrite.h"
|
2011-07-04 09:41:04 +00:00
|
|
|
#include "libavutil/mathematics.h"
|
2014-08-20 21:25:21 +00:00
|
|
|
|
|
|
|
#include "avcodec.h"
|
2014-08-26 19:45:39 +00:00
|
|
|
#include "internal.h"
|
2012-05-09 15:20:36 +00:00
|
|
|
#include "libxvid.h"
|
2012-02-23 07:19:13 +00:00
|
|
|
#include "mpegvideo.h"
|
2004-07-16 19:48:30 +00:00
|
|
|
|
2014-07-07 23:55:47 +00:00
|
|
|
#if HAVE_UNISTD_H
|
|
|
|
#include <unistd.h>
|
|
|
|
#endif
|
|
|
|
|
2014-08-02 01:08:29 +00:00
|
|
|
#if HAVE_IO_H
|
|
|
|
#include <io.h>
|
|
|
|
#endif
|
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/**
|
|
|
|
* Buffer management macros.
|
|
|
|
*/
|
2014-08-20 21:25:21 +00:00
|
|
|
#define BUFFER_SIZE 1024
|
|
|
|
#define BUFFER_REMAINING(x) (BUFFER_SIZE - strlen(x))
|
|
|
|
#define BUFFER_CAT(x) (&((x)[strlen(x)]))
|
2004-07-16 19:48:30 +00:00
|
|
|
|
|
|
|
/**
|
2008-05-27 12:32:59 +00:00
|
|
|
* Structure for the private Xvid context.
|
2004-07-16 19:48:30 +00:00
|
|
|
* This stores all the private context for the codec.
|
|
|
|
*/
|
2008-12-13 18:16:06 +00:00
|
|
|
struct xvid_context {
|
2014-01-17 12:09:57 +00:00
|
|
|
AVClass *class;
|
2010-07-27 15:54:26 +00:00
|
|
|
void *encoder_handle; /**< Handle for Xvid encoder */
|
|
|
|
int xsize; /**< Frame x size */
|
|
|
|
int ysize; /**< Frame y size */
|
|
|
|
int vop_flags; /**< VOP flags for Xvid encoder */
|
|
|
|
int vol_flags; /**< VOL flags for Xvid encoder */
|
|
|
|
int me_flags; /**< Motion Estimation flags */
|
|
|
|
int qscale; /**< Do we use constant scale? */
|
|
|
|
int quicktime_format; /**< Are we in a QT-based format? */
|
|
|
|
char *twopassbuffer; /**< Character buffer for two-pass */
|
|
|
|
char *old_twopassbuffer; /**< Old character buffer (two-pass) */
|
|
|
|
char *twopassfile; /**< second pass temp file name */
|
2013-03-02 19:22:08 +00:00
|
|
|
int twopassfd;
|
2010-07-27 15:54:26 +00:00
|
|
|
unsigned char *intra_matrix; /**< P-Frame Quant Matrix */
|
|
|
|
unsigned char *inter_matrix; /**< I-Frame Quant Matrix */
|
2013-07-31 02:39:06 +00:00
|
|
|
int lumi_aq; /**< Lumi masking as an aq method */
|
|
|
|
int variance_aq; /**< Variance adaptive quantization */
|
2013-07-31 02:40:45 +00:00
|
|
|
int ssim; /**< SSIM information display mode */
|
|
|
|
int ssim_acc; /**< SSIM accuracy. 0: accurate. 4: fast. */
|
2014-04-29 06:08:43 +00:00
|
|
|
int gmc;
|
2008-12-13 18:16:06 +00:00
|
|
|
};
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/**
|
|
|
|
* Structure for the private first-pass plugin.
|
|
|
|
*/
|
2008-12-13 18:16:06 +00:00
|
|
|
struct xvid_ff_pass1 {
|
2014-08-20 21:25:21 +00:00
|
|
|
int version; /**< Xvid version */
|
2010-07-27 15:54:26 +00:00
|
|
|
struct xvid_context *context; /**< Pointer to private context */
|
2008-12-13 18:16:06 +00:00
|
|
|
};
|
2004-07-16 19:48:30 +00:00
|
|
|
|
2013-03-02 19:39:38 +00:00
|
|
|
static int xvid_encode_close(AVCodecContext *avctx);
|
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/*
|
|
|
|
* Xvid 2-Pass Kludge Section
|
|
|
|
*
|
|
|
|
* Xvid's default 2-pass doesn't allow us to create data as we need to, so
|
|
|
|
* this section spends time replacing the first pass plugin so we can write
|
|
|
|
* statistic information as libavcodec requests in. We have another kludge
|
|
|
|
* that allows us to pass data to the second pass in Xvid without a custom
|
|
|
|
* rate-control plugin.
|
|
|
|
*/
|
2005-12-17 18:14:38 +00:00
|
|
|
|
|
|
|
/**
|
2012-04-12 11:43:09 +00:00
|
|
|
* Initialize the two-pass plugin and context.
|
2004-07-16 19:48:30 +00:00
|
|
|
*
|
2012-04-12 11:43:09 +00:00
|
|
|
* @param param Input construction parameter structure
|
|
|
|
* @param handle Private context handle
|
|
|
|
* @return Returns XVID_ERR_xxxx on failure, or 0 on success.
|
2005-12-17 18:14:38 +00:00
|
|
|
*/
|
2014-08-20 21:25:21 +00:00
|
|
|
static int xvid_ff_2pass_create(xvid_plg_create_t *param, void **handle)
|
|
|
|
{
|
|
|
|
struct xvid_ff_pass1 *x = (struct xvid_ff_pass1 *) param->param;
|
2012-04-12 11:43:09 +00:00
|
|
|
char *log = x->context->twopassbuffer;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* Do a quick bounds check */
|
2014-08-14 20:31:24 +00:00
|
|
|
if (!log)
|
2012-04-12 11:43:09 +00:00
|
|
|
return XVID_ERR_FAIL;
|
2004-07-16 19:48:30 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* We use snprintf() */
|
|
|
|
/* This is because we can safely prevent a buffer overflow */
|
|
|
|
log[0] = 0;
|
|
|
|
snprintf(log, BUFFER_REMAINING(log),
|
2014-08-26 19:45:39 +00:00
|
|
|
"# ffmpeg 2-pass log file, using xvid codec\n");
|
2012-04-12 11:43:09 +00:00
|
|
|
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
|
2014-08-20 21:25:21 +00:00
|
|
|
"# 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));
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
*handle = x->context;
|
|
|
|
return 0;
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/**
|
|
|
|
* Destroy the two-pass plugin context.
|
|
|
|
*
|
|
|
|
* @param ref Context pointer for the plugin
|
|
|
|
* @param param Destrooy context
|
|
|
|
* @return Returns 0, success guaranteed
|
|
|
|
*/
|
|
|
|
static int xvid_ff_2pass_destroy(struct xvid_context *ref,
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_plg_destroy_t *param)
|
|
|
|
{
|
2012-04-12 11:43:09 +00:00
|
|
|
/* Currently cannot think of anything to do on destruction */
|
|
|
|
/* Still, the framework should be here for reference/use */
|
2014-08-14 20:31:25 +00:00
|
|
|
if (ref->twopassbuffer)
|
2012-04-12 11:43:09 +00:00
|
|
|
ref->twopassbuffer[0] = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/**
|
|
|
|
* Enable fast encode mode during the first pass.
|
|
|
|
*
|
|
|
|
* @param ref Context pointer for the plugin
|
|
|
|
* @param param Frame data
|
|
|
|
* @return Returns 0, success guaranteed
|
|
|
|
*/
|
|
|
|
static int xvid_ff_2pass_before(struct xvid_context *ref,
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_plg_data_t *param)
|
|
|
|
{
|
2012-04-12 11:43:09 +00:00
|
|
|
int motion_remove;
|
|
|
|
int motion_replacements;
|
|
|
|
int vop_remove;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* Nothing to do here, result is changed too much */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (param->zone && param->zone->mode == XVID_ZONE_QUANT)
|
2012-04-12 11:43:09 +00:00
|
|
|
return 0;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* We can implement a 'turbo' first pass mode here */
|
|
|
|
param->quant = 2;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* Init values */
|
2014-08-20 21:25:21 +00:00
|
|
|
motion_remove = ~XVID_ME_CHROMA_PVOP &
|
|
|
|
~XVID_ME_CHROMA_BVOP &
|
|
|
|
~XVID_ME_EXTSEARCH16 &
|
|
|
|
~XVID_ME_ADVANCEDDIAMOND16;
|
2012-04-12 11:43:09 +00:00
|
|
|
motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
|
2014-08-20 21:25:21 +00:00
|
|
|
XVID_ME_SKIP_DELTASEARCH |
|
|
|
|
XVID_ME_FASTREFINE16 |
|
2012-04-12 11:43:09 +00:00
|
|
|
XVID_ME_BFRAME_EARLYSTOP;
|
2014-08-20 21:25:21 +00:00
|
|
|
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;
|
2012-04-12 11:43:09 +00:00
|
|
|
param->motion_flags &= motion_remove;
|
|
|
|
param->motion_flags |= motion_replacements;
|
2004-07-16 19:48:30 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/**
|
|
|
|
* Capture statistic data and write it during first pass.
|
|
|
|
*
|
|
|
|
* @param ref Context pointer for the plugin
|
|
|
|
* @param param Statistic data
|
|
|
|
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
|
|
|
|
*/
|
|
|
|
static int xvid_ff_2pass_after(struct xvid_context *ref,
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_plg_data_t *param)
|
|
|
|
{
|
2012-04-12 11:43:09 +00:00
|
|
|
char *log = ref->twopassbuffer;
|
|
|
|
const char *frame_types = " ipbs";
|
|
|
|
char frame_type;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* Quick bounds check */
|
2014-08-14 20:31:24 +00:00
|
|
|
if (!log)
|
2012-04-12 11:43:09 +00:00
|
|
|
return XVID_ERR_FAIL;
|
2004-07-16 19:48:30 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/* Convert the type given to us into a character */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (param->type < 5 && param->type > 0)
|
2012-04-12 11:43:09 +00:00
|
|
|
frame_type = frame_types[param->type];
|
2014-08-20 21:25:21 +00:00
|
|
|
else
|
2012-04-12 11:43:09 +00:00
|
|
|
return XVID_ERR_FAIL;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
|
2014-08-20 21:25:21 +00:00
|
|
|
"%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);
|
2004-07-16 19:48:30 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
/**
|
|
|
|
* Dispatch function for our custom plugin.
|
|
|
|
* This handles the dispatch for the Xvid plugin. It passes data
|
|
|
|
* on to other functions for actual processing.
|
|
|
|
*
|
|
|
|
* @param ref Context pointer for the plugin
|
|
|
|
* @param cmd The task given for us to complete
|
|
|
|
* @param p1 First parameter (varies)
|
|
|
|
* @param p2 Second parameter (varies)
|
|
|
|
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
|
|
|
|
*/
|
|
|
|
static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
|
|
|
|
{
|
2014-08-20 21:25:21 +00:00
|
|
|
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;
|
2012-04-12 11:43:09 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Routine to create a global VO/VOL header for MP4 container.
|
|
|
|
* What we do here is extract the header from the Xvid bitstream
|
|
|
|
* as it is encoded. We also strip the repeated headers from the
|
|
|
|
* bitstream when a global header is requested for MPEG-4 ISO
|
|
|
|
* compliance.
|
|
|
|
*
|
|
|
|
* @param avctx AVCodecContext pointer to context
|
|
|
|
* @param frame Pointer to encoded frame data
|
|
|
|
* @param header_len Length of header to search
|
|
|
|
* @param frame_len Length of encoded frame data
|
|
|
|
* @return Returns new length of frame data
|
|
|
|
*/
|
2014-08-20 21:25:21 +00:00
|
|
|
static int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt,
|
|
|
|
unsigned int header_len,
|
|
|
|
unsigned int frame_len)
|
|
|
|
{
|
2012-04-12 11:43:09 +00:00
|
|
|
int vo_len = 0, i;
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
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) {
|
2012-04-12 11:43:09 +00:00
|
|
|
vo_len = i;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
if (vo_len > 0) {
|
2012-04-12 11:43:09 +00:00
|
|
|
/* We need to store the header, so extract it */
|
2014-08-14 20:31:24 +00:00
|
|
|
if (!avctx->extradata) {
|
2012-04-12 11:43:09 +00:00
|
|
|
avctx->extradata = av_malloc(vo_len);
|
|
|
|
memcpy(avctx->extradata, pkt->data, vo_len);
|
|
|
|
avctx->extradata_size = vo_len;
|
|
|
|
}
|
|
|
|
/* Less dangerous now, memmove properly copies the two
|
2014-08-20 21:25:21 +00:00
|
|
|
* chunks of overlapping data */
|
2012-04-12 11:43:09 +00:00
|
|
|
memmove(pkt->data, &pkt->data[vo_len], frame_len - vo_len);
|
|
|
|
pkt->size = frame_len - vo_len;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Routine to correct a possibly erroneous framerate being fed to us.
|
|
|
|
* Xvid currently chokes on framerates where the ticks per frame is
|
|
|
|
* extremely large. This function works to correct problems in this area
|
|
|
|
* by estimating a new framerate and taking the simpler fraction of
|
|
|
|
* the two presented.
|
|
|
|
*
|
|
|
|
* @param avctx Context that contains the framerate to correct.
|
|
|
|
*/
|
|
|
|
static void xvid_correct_framerate(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
int frate, fbase;
|
|
|
|
int est_frate, est_fbase;
|
|
|
|
int gcd;
|
|
|
|
float est_fps, fps;
|
|
|
|
|
|
|
|
frate = avctx->time_base.den;
|
|
|
|
fbase = avctx->time_base.num;
|
|
|
|
|
|
|
|
gcd = av_gcd(frate, fbase);
|
2014-08-20 21:25:21 +00:00
|
|
|
if (gcd > 1) {
|
2012-04-12 11:43:09 +00:00
|
|
|
frate /= gcd;
|
|
|
|
fbase /= gcd;
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
if (frate <= 65000 && fbase <= 65000) {
|
2012-04-12 11:43:09 +00:00
|
|
|
avctx->time_base.den = frate;
|
|
|
|
avctx->time_base.num = fbase;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
fps = (float) frate / (float) fbase;
|
2012-04-12 11:43:09 +00:00
|
|
|
est_fps = roundf(fps * 1000.0) / 1000.0;
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
est_frate = (int) est_fps;
|
|
|
|
if (est_fps > (int) est_fps) {
|
2012-04-12 11:43:09 +00:00
|
|
|
est_frate = (est_frate + 1) * 1000;
|
2014-08-20 21:25:21 +00:00
|
|
|
est_fbase = (int) roundf((float) est_frate / est_fps);
|
2012-04-12 11:43:09 +00:00
|
|
|
} else
|
|
|
|
est_fbase = 1;
|
|
|
|
|
|
|
|
gcd = av_gcd(est_frate, est_fbase);
|
2014-08-20 21:25:21 +00:00
|
|
|
if (gcd > 1) {
|
2012-04-12 11:43:09 +00:00
|
|
|
est_frate /= gcd;
|
|
|
|
est_fbase /= gcd;
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
if (fbase > est_fbase) {
|
2012-04-12 11:43:09 +00:00
|
|
|
avctx->time_base.den = est_frate;
|
|
|
|
avctx->time_base.num = est_fbase;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG,
|
2014-08-20 21:25:21 +00:00
|
|
|
"Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
|
|
|
|
est_fps, (((est_fps - fps) / fps) * 100.0));
|
2012-04-12 11:43:09 +00:00
|
|
|
} else {
|
|
|
|
avctx->time_base.den = frate;
|
|
|
|
avctx->time_base.num = fbase;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
static av_cold int xvid_encode_init(AVCodecContext *avctx)
|
|
|
|
{
|
2014-11-24 00:10:49 +00:00
|
|
|
int xerr, i, ret = -1;
|
2012-04-12 11:43:09 +00:00
|
|
|
int xvid_flags = avctx->flags;
|
|
|
|
struct xvid_context *x = avctx->priv_data;
|
|
|
|
uint16_t *intra, *inter;
|
|
|
|
int fd;
|
|
|
|
|
2013-07-31 02:41:32 +00:00
|
|
|
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 };
|
2013-07-31 02:42:32 +00:00
|
|
|
xvid_enc_plugin_t plugins[4];
|
2012-04-12 11:43:09 +00:00
|
|
|
|
2013-03-02 19:22:08 +00:00
|
|
|
x->twopassfd = -1;
|
|
|
|
|
2012-04-14 19:49:01 +00:00
|
|
|
/* Bring in VOP flags from ffmpeg command-line */
|
2013-07-31 02:41:32 +00:00
|
|
|
x->vop_flags = XVID_VOP_HALFPEL; /* Bare minimum quality */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_4MV)
|
2013-07-31 02:41:32 +00:00
|
|
|
x->vop_flags |= XVID_VOP_INTER4V; /* Level 3 */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (avctx->trellis)
|
2013-07-31 02:41:32 +00:00
|
|
|
x->vop_flags |= XVID_VOP_TRELLISQUANT; /* Level 5 */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_AC_PRED)
|
2013-07-31 02:41:32 +00:00
|
|
|
x->vop_flags |= XVID_VOP_HQACPRED; /* Level 6 */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_GRAY)
|
2013-07-31 02:41:32 +00:00
|
|
|
x->vop_flags |= XVID_VOP_GREYSCALE;
|
2012-04-12 11:43:09 +00:00
|
|
|
|
|
|
|
/* Decide which ME quality setting to use */
|
|
|
|
x->me_flags = 0;
|
2014-08-20 21:25:21 +00:00
|
|
|
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;
|
2012-04-12 11:43:09 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Decide how we should decide blocks */
|
2014-08-20 21:25:21 +00:00
|
|
|
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;
|
2012-04-12 11:43:09 +00:00
|
|
|
}
|
|
|
|
|
2012-04-14 19:49:01 +00:00
|
|
|
/* Bring in VOL flags from ffmpeg command-line */
|
2014-04-29 06:08:43 +00:00
|
|
|
#if FF_API_GMC
|
|
|
|
if (avctx->flags & CODEC_FLAG_GMC)
|
|
|
|
x->gmc = 1;
|
|
|
|
#endif
|
|
|
|
|
2012-04-12 11:43:09 +00:00
|
|
|
x->vol_flags = 0;
|
2014-04-29 06:08:43 +00:00
|
|
|
if (x->gmc) {
|
2012-04-12 11:43:09 +00:00
|
|
|
x->vol_flags |= XVID_VOL_GMC;
|
2014-08-20 21:25:21 +00:00
|
|
|
x->me_flags |= XVID_ME_GME_REFINE;
|
2012-04-12 11:43:09 +00:00
|
|
|
}
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_QPEL) {
|
2012-04-12 11:43:09 +00:00
|
|
|
x->vol_flags |= XVID_VOL_QUARTERPEL;
|
2014-08-20 21:25:21 +00:00
|
|
|
x->me_flags |= XVID_ME_QUARTERPELREFINE16;
|
|
|
|
if (x->vop_flags & XVID_VOP_INTER4V)
|
2012-04-12 11:43:09 +00:00
|
|
|
x->me_flags |= XVID_ME_QUARTERPELREFINE8;
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_gbl_init.version = XVID_VERSION;
|
|
|
|
xvid_gbl_init.debug = 0;
|
2012-04-12 11:43:09 +00:00
|
|
|
xvid_gbl_init.cpu_flags = 0;
|
|
|
|
|
|
|
|
/* Initialize */
|
|
|
|
xvid_global(NULL, XVID_GBL_INIT, &xvid_gbl_init, NULL);
|
|
|
|
|
|
|
|
/* Create the encoder reference */
|
|
|
|
xvid_enc_create.version = XVID_VERSION;
|
|
|
|
|
|
|
|
/* Store the desired frame size */
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_create.width =
|
|
|
|
x->xsize = avctx->width;
|
|
|
|
xvid_enc_create.height =
|
|
|
|
x->ysize = avctx->height;
|
2012-04-12 11:43:09 +00:00
|
|
|
|
|
|
|
/* Xvid can determine the proper profile to use */
|
|
|
|
/* xvid_enc_create.profile = XVID_PROFILE_S_L3; */
|
|
|
|
|
|
|
|
/* We don't use zones */
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_create.zones = NULL;
|
2012-04-12 11:43:09 +00:00
|
|
|
xvid_enc_create.num_zones = 0;
|
|
|
|
|
|
|
|
xvid_enc_create.num_threads = avctx->thread_count;
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_create.plugins = plugins;
|
2012-04-12 11:43:09 +00:00
|
|
|
xvid_enc_create.num_plugins = 0;
|
|
|
|
|
|
|
|
/* Initialize Buffers */
|
2014-08-20 21:25:21 +00:00
|
|
|
x->twopassbuffer = NULL;
|
2012-04-12 11:43:09 +00:00
|
|
|
x->old_twopassbuffer = NULL;
|
2014-08-20 21:25:21 +00:00
|
|
|
x->twopassfile = NULL;
|
2012-04-12 11:43:09 +00:00
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_PASS1) {
|
|
|
|
rc2pass1.version = XVID_VERSION;
|
|
|
|
rc2pass1.context = x;
|
|
|
|
x->twopassbuffer = av_malloc(BUFFER_SIZE);
|
2012-04-12 11:43:09 +00:00
|
|
|
x->old_twopassbuffer = av_malloc(BUFFER_SIZE);
|
2014-08-14 20:31:24 +00:00
|
|
|
if (!x->twopassbuffer || !x->old_twopassbuffer) {
|
2012-04-12 11:43:09 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
2014-08-20 21:25:21 +00:00
|
|
|
"Xvid: Cannot allocate 2-pass log buffers\n");
|
2014-11-24 00:11:45 +00:00
|
|
|
ret = AVERROR(ENOMEM);
|
2013-03-02 19:39:38 +00:00
|
|
|
goto fail;
|
2012-04-12 11:43:09 +00:00
|
|
|
}
|
2014-08-20 21:25:21 +00:00
|
|
|
x->twopassbuffer[0] =
|
|
|
|
x->old_twopassbuffer[0] = 0;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].func = xvid_ff_2pass;
|
2004-07-16 19:48:30 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
|
|
|
|
xvid_enc_create.num_plugins++;
|
2014-08-20 21:25:21 +00:00
|
|
|
} else if (xvid_flags & CODEC_FLAG_PASS2) {
|
2004-07-16 19:48:30 +00:00
|
|
|
rc2pass2.version = XVID_VERSION;
|
|
|
|
rc2pass2.bitrate = avctx->bit_rate;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-01-08 00:29:15 +00:00
|
|
|
fd = av_tempfile("xvidff.", &x->twopassfile, 0, avctx);
|
2014-11-24 00:11:45 +00:00
|
|
|
if (fd < 0) {
|
2014-08-20 21:25:21 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Xvid: Cannot write 2-pass pipe\n");
|
2014-11-24 00:11:45 +00:00
|
|
|
ret = fd;
|
2013-03-02 19:39:38 +00:00
|
|
|
goto fail;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2013-03-02 19:22:08 +00:00
|
|
|
x->twopassfd = fd;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-08-14 20:31:24 +00:00
|
|
|
if (!avctx->stats_in) {
|
2004-07-16 19:48:30 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
2014-08-20 21:25:21 +00:00
|
|
|
"Xvid: No 2-pass information loaded for second pass\n");
|
2014-11-24 00:11:45 +00:00
|
|
|
ret = AVERROR(EINVAL);
|
2013-03-02 19:39:38 +00:00
|
|
|
goto fail;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-11-24 00:11:45 +00:00
|
|
|
ret = write(fd, avctx->stats_in, strlen(avctx->stats_in));
|
|
|
|
if (ret == -1)
|
|
|
|
ret = AVERROR(errno);
|
|
|
|
else if (strlen(avctx->stats_in) > ret) {
|
2014-08-20 21:25:21 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Xvid: Cannot write to 2-pass pipe\n");
|
2014-11-24 00:11:45 +00:00
|
|
|
ret = AVERROR(EIO);
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2014-11-24 00:11:45 +00:00
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
rc2pass2.filename = x->twopassfile;
|
|
|
|
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
|
2004-07-16 19:48:30 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
|
|
|
|
xvid_enc_create.num_plugins++;
|
2014-08-20 21:25:21 +00:00
|
|
|
} else if (!(xvid_flags & CODEC_FLAG_QSCALE)) {
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Single Pass Bitrate Control! */
|
|
|
|
single.version = XVID_VERSION;
|
|
|
|
single.bitrate = avctx->bit_rate;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
|
2004-07-16 19:48:30 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].param = &single;
|
|
|
|
xvid_enc_create.num_plugins++;
|
|
|
|
}
|
|
|
|
|
2013-07-31 02:39:06 +00:00
|
|
|
if (avctx->lumi_masking != 0.0)
|
2013-08-05 13:00:14 +00:00
|
|
|
x->lumi_aq = 1;
|
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Luminance Masking */
|
2013-07-31 02:39:06 +00:00
|
|
|
if (x->lumi_aq) {
|
2014-08-20 21:25:21 +00:00
|
|
|
masking_l.method = 0;
|
2004-07-16 19:48:30 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
|
2013-07-31 02:39:06 +00:00
|
|
|
|
|
|
|
/* The old behavior is that when avctx->lumi_masking is specified,
|
|
|
|
* plugins[...].param = NULL. Trying to keep the old behavior here. */
|
2014-08-20 21:25:21 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].param =
|
|
|
|
avctx->lumi_masking ? NULL : &masking_l;
|
|
|
|
xvid_enc_create.num_plugins++;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
|
|
|
|
2013-07-31 02:39:06 +00:00
|
|
|
/* Variance AQ */
|
2013-07-31 02:39:06 +00:00
|
|
|
if (x->variance_aq) {
|
2014-08-20 21:25:21 +00:00
|
|
|
masking_v.method = 1;
|
2013-07-31 02:39:06 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
|
2013-07-31 02:39:06 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].param = &masking_v;
|
2013-07-31 02:39:06 +00:00
|
|
|
xvid_enc_create.num_plugins++;
|
|
|
|
}
|
|
|
|
|
2014-08-26 19:45:39 +00:00
|
|
|
if (x->lumi_aq && x->variance_aq )
|
2013-07-31 02:39:06 +00:00
|
|
|
av_log(avctx, AV_LOG_INFO,
|
|
|
|
"Both lumi_aq and variance_aq are enabled. The resulting quality"
|
|
|
|
"will be the worse one of the two effects made by the AQ.\n");
|
|
|
|
|
2013-07-31 02:40:45 +00:00
|
|
|
/* SSIM */
|
2013-07-31 02:40:45 +00:00
|
|
|
if (x->ssim) {
|
2014-08-20 21:25:21 +00:00
|
|
|
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;
|
2013-07-31 02:40:45 +00:00
|
|
|
plugins[xvid_enc_create.num_plugins].param = &ssim;
|
|
|
|
xvid_enc_create.num_plugins++;
|
|
|
|
}
|
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Frame Rate and Key Frames */
|
|
|
|
xvid_correct_framerate(avctx);
|
2005-04-30 21:43:59 +00:00
|
|
|
xvid_enc_create.fincr = avctx->time_base.num;
|
|
|
|
xvid_enc_create.fbase = avctx->time_base.den;
|
2014-08-20 21:25:21 +00:00
|
|
|
if (avctx->gop_size > 0)
|
2004-07-16 19:48:30 +00:00
|
|
|
xvid_enc_create.max_key_interval = avctx->gop_size;
|
|
|
|
else
|
2008-05-27 12:32:59 +00:00
|
|
|
xvid_enc_create.max_key_interval = 240; /* Xvid's best default */
|
2004-07-16 19:48:30 +00:00
|
|
|
|
|
|
|
/* Quants */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_QSCALE)
|
|
|
|
x->qscale = 1;
|
|
|
|
else
|
|
|
|
x->qscale = 0;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
xvid_enc_create.min_quant[0] = avctx->qmin;
|
|
|
|
xvid_enc_create.min_quant[1] = avctx->qmin;
|
|
|
|
xvid_enc_create.min_quant[2] = avctx->qmin;
|
|
|
|
xvid_enc_create.max_quant[0] = avctx->qmax;
|
|
|
|
xvid_enc_create.max_quant[1] = avctx->qmax;
|
|
|
|
xvid_enc_create.max_quant[2] = avctx->qmax;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Quant Matrices */
|
2014-08-20 21:25:21 +00:00
|
|
|
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];
|
|
|
|
}
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Misc Settings */
|
|
|
|
xvid_enc_create.frame_drop_ratio = 0;
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_create.global = 0;
|
|
|
|
if (xvid_flags & CODEC_FLAG_CLOSED_GOP)
|
2004-07-16 19:48:30 +00:00
|
|
|
xvid_enc_create.global |= XVID_GLOBAL_CLOSED_GOP;
|
|
|
|
|
|
|
|
/* Determines which codec mode we are operating in */
|
2014-08-20 21:25:21 +00:00
|
|
|
avctx->extradata = NULL;
|
2004-07-16 19:48:30 +00:00
|
|
|
avctx->extradata_size = 0;
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_flags & CODEC_FLAG_GLOBAL_HEADER) {
|
2004-07-16 19:48:30 +00:00
|
|
|
/* In this case, we are claiming to be MPEG4 */
|
|
|
|
x->quicktime_format = 1;
|
2014-08-20 21:25:21 +00:00
|
|
|
avctx->codec_id = AV_CODEC_ID_MPEG4;
|
2004-07-16 19:48:30 +00:00
|
|
|
} else {
|
2008-05-27 12:32:59 +00:00
|
|
|
/* We are claiming to be Xvid */
|
2004-07-16 19:48:30 +00:00
|
|
|
x->quicktime_format = 0;
|
2014-08-20 21:25:21 +00:00
|
|
|
if (!avctx->codec_tag)
|
2009-01-17 12:21:01 +00:00
|
|
|
avctx->codec_tag = AV_RL32("xvid");
|
2005-12-17 18:14:38 +00:00
|
|
|
}
|
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Bframes */
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_create.max_bframes = avctx->max_b_frames;
|
2006-03-18 02:46:39 +00:00
|
|
|
xvid_enc_create.bquant_offset = 100 * avctx->b_quant_offset;
|
2014-08-20 21:25:21 +00:00
|
|
|
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;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2013-08-05 13:01:20 +00:00
|
|
|
av_assert0(xvid_enc_create.num_plugins + (!!x->ssim) + (!!x->variance_aq) + (!!x->lumi_aq) <= FF_ARRAY_ELEMS(plugins));
|
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Create encoder context */
|
|
|
|
xerr = xvid_encore(NULL, XVID_ENC_CREATE, &xvid_enc_create, NULL);
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xerr) {
|
2008-05-27 12:32:59 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Xvid: Could not create encoder reference\n");
|
2013-03-02 19:39:38 +00:00
|
|
|
goto fail;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
x->encoder_handle = xvid_enc_create.handle;
|
2013-11-09 09:14:46 +00:00
|
|
|
avctx->coded_frame = av_frame_alloc();
|
2014-11-24 00:10:49 +00:00
|
|
|
if (!avctx->coded_frame) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
2004-07-16 19:48:30 +00:00
|
|
|
|
|
|
|
return 0;
|
2013-03-02 19:39:38 +00:00
|
|
|
fail:
|
|
|
|
xvid_encode_close(avctx);
|
2014-11-24 00:10:49 +00:00
|
|
|
return ret;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
|
|
|
|
2012-02-23 07:19:13 +00:00
|
|
|
static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
|
|
const AVFrame *picture, int *got_packet)
|
|
|
|
{
|
|
|
|
int xerr, i, ret, user_packet = !!pkt->data;
|
2008-12-13 18:16:06 +00:00
|
|
|
struct xvid_context *x = avctx->priv_data;
|
2014-08-20 21:25:21 +00:00
|
|
|
AVFrame *p = avctx->coded_frame;
|
|
|
|
int mb_width = (avctx->width + 15) / 16;
|
|
|
|
int mb_height = (avctx->height + 15) / 16;
|
|
|
|
char *tmp;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2011-06-06 12:13:02 +00:00
|
|
|
xvid_enc_frame_t xvid_enc_frame = { 0 };
|
|
|
|
xvid_enc_stats_t xvid_enc_stats = { 0 };
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2012-04-14 19:49:01 +00:00
|
|
|
if ((ret = ff_alloc_packet2(avctx, pkt, mb_width*mb_height*MAX_MB_BYTES + FF_MIN_BUFFER_SIZE)) < 0)
|
2012-02-23 07:19:13 +00:00
|
|
|
return ret;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Start setting up the frame */
|
|
|
|
xvid_enc_frame.version = XVID_VERSION;
|
|
|
|
xvid_enc_stats.version = XVID_VERSION;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2008-05-27 12:32:59 +00:00
|
|
|
/* Let Xvid know where to put the frame. */
|
2012-02-23 07:19:13 +00:00
|
|
|
xvid_enc_frame.bitstream = pkt->data;
|
|
|
|
xvid_enc_frame.length = pkt->size;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Initialize input image fields */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
|
|
"Xvid: Color spaces other than 420P not supported\n");
|
2014-05-01 21:08:01 +00:00
|
|
|
return AVERROR(EINVAL);
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
xvid_enc_frame.input.csp = XVID_CSP_PLANAR; /* YUV420P */
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
xvid_enc_frame.input.plane[i] = picture->data[i];
|
2004-07-16 19:48:30 +00:00
|
|
|
xvid_enc_frame.input.stride[i] = picture->linesize[i];
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Encoder Flags */
|
|
|
|
xvid_enc_frame.vop_flags = x->vop_flags;
|
|
|
|
xvid_enc_frame.vol_flags = x->vol_flags;
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_frame.motion = x->me_flags;
|
|
|
|
xvid_enc_frame.type =
|
2011-04-29 16:53:57 +00:00
|
|
|
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 :
|
2014-08-20 21:25:21 +00:00
|
|
|
XVID_TYPE_AUTO;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2008-04-24 12:39:25 +00:00
|
|
|
/* Pixel aspect ratio setting */
|
2012-04-14 19:49:01 +00:00
|
|
|
if (avctx->sample_aspect_ratio.num < 0 || avctx->sample_aspect_ratio.num > 255 ||
|
|
|
|
avctx->sample_aspect_ratio.den < 0 || avctx->sample_aspect_ratio.den > 255) {
|
2013-09-08 20:53:14 +00:00
|
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
|
|
"Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
|
2008-04-24 12:39:25 +00:00
|
|
|
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
|
2013-09-08 20:53:14 +00:00
|
|
|
av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den,
|
|
|
|
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255);
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_frame.par = XVID_PAR_EXT;
|
2008-04-24 12:39:25 +00:00
|
|
|
xvid_enc_frame.par_width = avctx->sample_aspect_ratio.num;
|
|
|
|
xvid_enc_frame.par_height = avctx->sample_aspect_ratio.den;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Quant Setting */
|
2014-08-20 21:25:21 +00:00
|
|
|
if (x->qscale)
|
|
|
|
xvid_enc_frame.quant = picture->quality / FF_QP2LAMBDA;
|
|
|
|
else
|
|
|
|
xvid_enc_frame.quant = 0;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
/* Matrices */
|
|
|
|
xvid_enc_frame.quant_intra_matrix = x->intra_matrix;
|
|
|
|
xvid_enc_frame.quant_inter_matrix = x->inter_matrix;
|
|
|
|
|
|
|
|
/* Encode */
|
2005-12-17 18:14:38 +00:00
|
|
|
xerr = xvid_encore(x->encoder_handle, XVID_ENC_ENCODE,
|
2014-08-20 21:25:21 +00:00
|
|
|
&xvid_enc_frame, &xvid_enc_stats);
|
2004-07-16 19:48:30 +00:00
|
|
|
|
|
|
|
/* Two-pass log buffer swapping */
|
|
|
|
avctx->stats_out = NULL;
|
2014-08-20 21:25:21 +00:00
|
|
|
if (x->twopassbuffer) {
|
|
|
|
tmp = x->old_twopassbuffer;
|
2004-07-16 19:48:30 +00:00
|
|
|
x->old_twopassbuffer = x->twopassbuffer;
|
2014-08-20 21:25:21 +00:00
|
|
|
x->twopassbuffer = tmp;
|
|
|
|
x->twopassbuffer[0] = 0;
|
|
|
|
if (x->old_twopassbuffer[0] != 0) {
|
2004-07-16 19:48:30 +00:00
|
|
|
avctx->stats_out = x->old_twopassbuffer;
|
|
|
|
}
|
2005-12-17 18:14:38 +00:00
|
|
|
}
|
|
|
|
|
2012-02-23 07:19:13 +00:00
|
|
|
if (xerr > 0) {
|
|
|
|
*got_packet = 1;
|
|
|
|
|
2004-07-16 19:48:30 +00:00
|
|
|
p->quality = xvid_enc_stats.quant * FF_QP2LAMBDA;
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_enc_stats.type == XVID_TYPE_PVOP)
|
2011-04-29 16:53:57 +00:00
|
|
|
p->pict_type = AV_PICTURE_TYPE_P;
|
2014-08-20 21:25:21 +00:00
|
|
|
else if (xvid_enc_stats.type == XVID_TYPE_BVOP)
|
2011-04-29 16:53:57 +00:00
|
|
|
p->pict_type = AV_PICTURE_TYPE_B;
|
2014-08-20 21:25:21 +00:00
|
|
|
else if (xvid_enc_stats.type == XVID_TYPE_SVOP)
|
2011-04-29 16:53:57 +00:00
|
|
|
p->pict_type = AV_PICTURE_TYPE_S;
|
2004-07-16 19:48:30 +00:00
|
|
|
else
|
2011-04-29 16:53:57 +00:00
|
|
|
p->pict_type = AV_PICTURE_TYPE_I;
|
2014-08-20 21:25:21 +00:00
|
|
|
if (xvid_enc_frame.out_flags & XVID_KEYFRAME) {
|
2004-07-16 19:48:30 +00:00
|
|
|
p->key_frame = 1;
|
2014-08-20 21:25:21 +00:00
|
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
|
|
if (x->quicktime_format)
|
2012-02-23 07:19:13 +00:00
|
|
|
return xvid_strip_vol_header(avctx, pkt,
|
2014-08-20 21:25:21 +00:00
|
|
|
xvid_enc_stats.hlength, xerr);
|
|
|
|
} else
|
2004-07-16 19:48:30 +00:00
|
|
|
p->key_frame = 0;
|
|
|
|
|
2012-02-23 07:19:13 +00:00
|
|
|
pkt->size = xerr;
|
|
|
|
|
|
|
|
return 0;
|
2004-07-16 19:48:30 +00:00
|
|
|
} else {
|
2012-02-23 07:19:13 +00:00
|
|
|
if (!user_packet)
|
|
|
|
av_free_packet(pkt);
|
|
|
|
if (!xerr)
|
|
|
|
return 0;
|
2014-08-20 21:25:21 +00:00
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
|
|
"Xvid: Encoding Error Occurred: %i\n", xerr);
|
2014-05-01 21:08:01 +00:00
|
|
|
return AVERROR_EXTERNAL;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-08-20 21:25:21 +00:00
|
|
|
static av_cold int xvid_encode_close(AVCodecContext *avctx)
|
|
|
|
{
|
2008-12-13 18:16:06 +00:00
|
|
|
struct xvid_context *x = avctx->priv_data;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2013-03-02 19:32:21 +00:00
|
|
|
if(x->encoder_handle)
|
|
|
|
xvid_encore(x->encoder_handle, XVID_ENC_DESTROY, NULL, NULL);
|
|
|
|
x->encoder_handle = NULL;
|
2005-12-17 18:14:38 +00:00
|
|
|
|
2011-02-03 10:30:17 +00:00
|
|
|
av_freep(&avctx->extradata);
|
2014-08-14 20:31:25 +00:00
|
|
|
if (x->twopassbuffer) {
|
2013-03-02 19:29:47 +00:00
|
|
|
av_freep(&x->twopassbuffer);
|
|
|
|
av_freep(&x->old_twopassbuffer);
|
2012-04-14 19:49:01 +00:00
|
|
|
avctx->stats_out = NULL;
|
2004-07-16 19:48:30 +00:00
|
|
|
}
|
2013-03-02 19:22:08 +00:00
|
|
|
if (x->twopassfd>=0) {
|
|
|
|
unlink(x->twopassfile);
|
|
|
|
close(x->twopassfd);
|
|
|
|
x->twopassfd = -1;
|
|
|
|
}
|
2013-03-02 19:29:47 +00:00
|
|
|
av_freep(&x->twopassfile);
|
|
|
|
av_freep(&x->intra_matrix);
|
|
|
|
av_freep(&x->inter_matrix);
|
2014-11-24 00:10:49 +00:00
|
|
|
av_frame_free(&avctx->coded_frame);
|
2004-07-16 19:48:30 +00:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-07-31 02:39:06 +00:00
|
|
|
#define OFFSET(x) offsetof(struct xvid_context, x)
|
|
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
|
|
static const AVOption options[] = {
|
2014-08-20 21:25:21 +00:00
|
|
|
{ "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 },
|
2013-07-31 02:39:06 +00:00
|
|
|
{ NULL },
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVClass xvid_class = {
|
|
|
|
.class_name = "libxvid",
|
|
|
|
.item_name = av_default_item_name,
|
|
|
|
.option = options,
|
|
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
|
|
};
|
|
|
|
|
2011-01-25 21:40:11 +00:00
|
|
|
AVCodec ff_libxvid_encoder = {
|
2011-07-17 10:54:31 +00:00
|
|
|
.name = "libxvid",
|
2013-10-03 20:57:53 +00:00
|
|
|
.long_name = NULL_IF_CONFIG_SMALL("libxvidcore MPEG-4 part 2"),
|
2011-07-17 10:54:31 +00:00
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
2012-08-05 09:11:04 +00:00
|
|
|
.id = AV_CODEC_ID_MPEG4,
|
2011-07-17 10:54:31 +00:00
|
|
|
.priv_data_size = sizeof(struct xvid_context),
|
|
|
|
.init = xvid_encode_init,
|
2012-02-23 07:19:13 +00:00
|
|
|
.encode2 = xvid_encode_frame,
|
2011-07-17 10:54:31 +00:00
|
|
|
.close = xvid_encode_close,
|
2014-08-20 21:25:21 +00:00
|
|
|
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
|
2013-07-31 02:39:06 +00:00
|
|
|
.priv_class = &xvid_class,
|
2004-07-16 19:48:30 +00:00
|
|
|
};
|