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ffmpeg.c
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/*
* FFmpeg main
* Copyright (c) 2000-2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* 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
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define HAVE_AV_CONFIG_H
#include <limits.h>
#include "avformat.h"
#include "framehook.h"
#include "dsputil.h"
#ifndef CONFIG_WIN32
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <termios.h>
#include <sys/resource.h>
#include <signal.h>
#endif
#ifdef CONFIG_OS2
#include <sys/types.h>
#include <sys/select.h>
#include <stdlib.h>
#endif
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
#include <time.h>
#include "cmdutils.h"
#if !defined(INFINITY) && defined(HUGE_VAL)
#define INFINITY HUGE_VAL
#endif
/* select an input stream for an output stream */
typedef struct AVStreamMap {
int file_index;
int stream_index;
} AVStreamMap;
/** select an input file for an output file */
typedef struct AVMetaDataMap {
int out_file;
int in_file;
} AVMetaDataMap;
extern const OptionDef options[];
static void show_help(void);
static void show_license(void);
#define MAX_FILES 20
static AVFormatContext *input_files[MAX_FILES];
static int64_t input_files_ts_offset[MAX_FILES];
static int nb_input_files = 0;
static AVFormatContext *output_files[MAX_FILES];
static int nb_output_files = 0;
static AVStreamMap stream_maps[MAX_FILES];
static int nb_stream_maps;
static AVMetaDataMap meta_data_maps[MAX_FILES];
static int nb_meta_data_maps;
static AVInputFormat *file_iformat;
static AVOutputFormat *file_oformat;
static AVImageFormat *image_format;
static int frame_width = 160;
static int frame_height = 128;
static float frame_aspect_ratio = 0;
static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
static int frame_padtop = 0;
static int frame_padbottom = 0;
static int frame_padleft = 0;
static int frame_padright = 0;
static int padcolor[3] = {16,128,128}; /* default to black */
static int frame_topBand = 0;
static int frame_bottomBand = 0;
static int frame_leftBand = 0;
static int frame_rightBand = 0;
static int frame_rate = 25;
static int frame_rate_base = 1;
static int video_bit_rate = 200*1000;
static int video_bit_rate_tolerance = 4000*1000;
static float video_qscale = 0;
static int video_qmin = 2;
static int video_qmax = 31;
static int video_lmin = 2*FF_QP2LAMBDA;
static int video_lmax = 31*FF_QP2LAMBDA;
static int video_mb_qmin = 2;
static int video_mb_qmax = 31;
static int video_qdiff = 3;
static float video_qblur = 0.5;
static float video_qcomp = 0.5;
static uint16_t *intra_matrix = NULL;
static uint16_t *inter_matrix = NULL;
#if 0 //experimental, (can be removed)
static float video_rc_qsquish=1.0;
static float video_rc_qmod_amp=0;
static int video_rc_qmod_freq=0;
#endif
static char *video_rc_override_string=NULL;
static char *video_rc_eq="tex^qComp";
static int video_rc_buffer_size=0;
static float video_rc_buffer_aggressivity=1.0;
static int video_rc_max_rate=0;
static int video_rc_min_rate=0;
static float video_rc_initial_cplx=0;
static float video_b_qfactor = 1.25;
static float video_b_qoffset = 1.25;
static float video_i_qfactor = -0.8;
static float video_i_qoffset = 0.0;
static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
static int me_method = ME_EPZS;
static int video_disable = 0;
static int video_codec_id = CODEC_ID_NONE;
static int same_quality = 0;
static int b_frames = 0;
static int mb_decision = FF_MB_DECISION_SIMPLE;
static int ildct_cmp = FF_CMP_VSAD;
static int mb_cmp = FF_CMP_SAD;
static int sub_cmp = FF_CMP_SAD;
static int cmp = FF_CMP_SAD;
static int pre_cmp = FF_CMP_SAD;
static int pre_me = 0;
static float lumi_mask = 0;
static float dark_mask = 0;
static float scplx_mask = 0;
static float tcplx_mask = 0;
static float p_mask = 0;
static int use_4mv = 0;
static int use_obmc = 0;
static int use_loop = 0;
static int use_aic = 0;
static int use_aiv = 0;
static int use_umv = 0;
static int use_ss = 0;
static int use_alt_scan = 0;
static int use_trell = 0;
static int use_scan_offset = 0;
static int use_qpel = 0;
static int use_qprd = 0;
static int use_cbprd = 0;
static int qns = 0;
static int closed_gop = 0;
static int do_deinterlace = 0;
static int do_interlace_dct = 0;
static int do_interlace_me = 0;
static int workaround_bugs = FF_BUG_AUTODETECT;
static int error_resilience = 2;
static int error_concealment = 3;
static int dct_algo = 0;
static int idct_algo = 0;
static int use_part = 0;
static int packet_size = 0;
static int error_rate = 0;
static int strict = 0;
static int top_field_first = -1;
static int noise_reduction = 0;
static int sc_threshold = 0;
static int debug = 0;
static int debug_mv = 0;
static int me_threshold = 0;
static int mb_threshold = 0;
static int intra_dc_precision = 8;
static int coder = 0;
static int context = 0;
static int predictor = 0;
static int video_profile = FF_PROFILE_UNKNOWN;
static int video_level = FF_LEVEL_UNKNOWN;
extern int loop_input; /* currently a hack */
static int gop_size = 12;
static int intra_only = 0;
static int audio_sample_rate = 44100;
static int audio_bit_rate = 64000;
static int audio_disable = 0;
static int audio_channels = 1;
static int audio_codec_id = CODEC_ID_NONE;
static int64_t recording_time = 0;
static int64_t start_time = 0;
static int64_t rec_timestamp = 0;
static int64_t input_ts_offset = 0;
static int file_overwrite = 0;
static char *str_title = NULL;
static char *str_author = NULL;
static char *str_copyright = NULL;
static char *str_comment = NULL;
static int do_benchmark = 0;
static int do_hex_dump = 0;
static int do_pkt_dump = 0;
static int do_psnr = 0;
static int do_vstats = 0;
static int do_pass = 0;
static int bitexact = 0;
static char *pass_logfilename = NULL;
static int audio_stream_copy = 0;
static int video_stream_copy = 0;
static int video_sync_method= 1;
static int audio_sync_method= 0;
static int copy_ts= 0;
static int rate_emu = 0;
static char *video_grab_format = "video4linux";
static char *video_device = NULL;
static int video_channel = 0;
static char *video_standard = "ntsc";
static char *audio_grab_format = "audio_device";
static char *audio_device = NULL;
static int using_stdin = 0;
static int using_vhook = 0;
static int verbose = 1;
static int thread_count= 1;
static int q_pressed = 0;
static int me_range = 0;
static int64_t video_size = 0;
static int64_t audio_size = 0;
static int64_t extra_size = 0;
static int nb_frames_dup = 0;
static int nb_frames_drop = 0;
static int input_sync;
#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
typedef struct AVOutputStream {
int file_index; /* file index */
int index; /* stream index in the output file */
int source_index; /* AVInputStream index */
AVStream *st; /* stream in the output file */
int encoding_needed; /* true if encoding needed for this stream */
int frame_number;
/* input pts and corresponding output pts
for A/V sync */
double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
/* video only */
int video_resample; /* video_resample and video_crop are mutually exclusive */
AVFrame pict_tmp; /* temporary image for resampling */
ImgReSampleContext *img_resample_ctx; /* for image resampling */
int video_crop; /* video_resample and video_crop are mutually exclusive */
int topBand; /* cropping area sizes */
int leftBand;
int video_pad; /* video_resample and video_pad are mutually exclusive */
int padtop; /* padding area sizes */
int padbottom;
int padleft;
int padright;
/* audio only */
int audio_resample;
ReSampleContext *resample; /* for audio resampling */
FifoBuffer fifo; /* for compression: one audio fifo per codec */
FILE *logfile;
} AVOutputStream;
typedef struct AVInputStream {
int file_index;
int index;
AVStream *st;
int discard; /* true if stream data should be discarded */
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
int64_t sample_index; /* current sample */
int64_t start; /* time when read started */
unsigned long frame; /* current frame */
int64_t next_pts; /* synthetic pts for cases where pkt.pts
is not defined */
int64_t pts; /* current pts */
int is_start; /* is 1 at the start and after a discontinuity */
} AVInputStream;
typedef struct AVInputFile {
int eof_reached; /* true if eof reached */
int ist_index; /* index of first stream in ist_table */
int buffer_size; /* current total buffer size */
int buffer_size_max; /* buffer size at which we consider we can stop
buffering */
int nb_streams; /* nb streams we are aware of */
} AVInputFile;
#ifndef CONFIG_WIN32
/* init terminal so that we can grab keys */
static struct termios oldtty;
static void term_exit(void)
{
tcsetattr (0, TCSANOW, &oldtty);
}
static volatile sig_atomic_t received_sigterm = 0;
static void
sigterm_handler(int sig)
{
received_sigterm = sig;
term_exit();
}
static void term_init(void)
{
struct termios tty;
tcgetattr (0, &tty);
oldtty = tty;
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
|INLCR|IGNCR|ICRNL|IXON);
tty.c_oflag |= OPOST;
tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
tty.c_cflag &= ~(CSIZE|PARENB);
tty.c_cflag |= CS8;
tty.c_cc[VMIN] = 1;
tty.c_cc[VTIME] = 0;
tcsetattr (0, TCSANOW, &tty);
signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
/*
register a function to be called at normal program termination
*/
atexit(term_exit);
#ifdef CONFIG_BEOS_NETSERVER
fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
#endif
}
/* read a key without blocking */
static int read_key(void)
{
int n = 1;
unsigned char ch;
#ifndef CONFIG_BEOS_NETSERVER
struct timeval tv;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(0, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 0;
n = select(1, &rfds, NULL, NULL, &tv);
#endif
if (n > 0) {
n = read(0, &ch, 1);
if (n == 1)
return ch;
return n;
}
return -1;
}
static int decode_interrupt_cb(void)
{
return q_pressed || (q_pressed = read_key() == 'q');
}
#else
static volatile int received_sigterm = 0;
/* no interactive support */
static void term_exit(void)
{
}
static void term_init(void)
{
}
static int read_key(void)
{
return 0;
}
#endif
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
{
int i, err;
AVFormatContext *ic;
err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
if (err < 0)
return err;
/* copy stream format */
s->nb_streams = ic->nb_streams;
for(i=0;i<ic->nb_streams;i++) {
AVStream *st;
st = av_mallocz(sizeof(AVStream));
memcpy(st, ic->streams[i], sizeof(AVStream));
s->streams[i] = st;
}
av_close_input_file(ic);
return 0;
}
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
static void do_audio_out(AVFormatContext *s,
AVOutputStream *ost,
AVInputStream *ist,
unsigned char *buf, int size)
{
uint8_t *buftmp;
static uint8_t *audio_buf = NULL;
static uint8_t *audio_out = NULL;
const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
int size_out, frame_bytes, ret;
AVCodecContext *enc= &ost->st->codec;
/* SC: dynamic allocation of buffers */
if (!audio_buf)
audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
if (!audio_out)
audio_out = av_malloc(audio_out_size);
if (!audio_buf || !audio_out)
return; /* Should signal an error ! */
if(audio_sync_method){
double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
- fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
//FIXME resample delay
if(fabs(delta) > 50){
if(ist->is_start){
if(byte_delta < 0){
byte_delta= FFMAX(byte_delta, -size);
size += byte_delta;
buf -= byte_delta;
if(verbose > 2)
fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
if(!size)
return;
ist->is_start=0;
}else{
static uint8_t *input_tmp= NULL;
input_tmp= av_realloc(input_tmp, byte_delta + size);
if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
ist->is_start=0;
else
byte_delta= MAX_AUDIO_PACKET_SIZE - size;
memset(input_tmp, 0, byte_delta);
memcpy(input_tmp + byte_delta, buf, size);
buf= input_tmp;
size += byte_delta;
if(verbose > 2)
fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
}
}else if(audio_sync_method>1){
int comp= clip(delta, -audio_sync_method, audio_sync_method);
assert(ost->audio_resample);
if(verbose > 2)
fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(ost->sync_ipts * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
}
}
}else
ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
- fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
if (ost->audio_resample) {
buftmp = audio_buf;
size_out = audio_resample(ost->resample,
(short *)buftmp, (short *)buf,
size / (ist->st->codec.channels * 2));
size_out = size_out * enc->channels * 2;
} else {
buftmp = buf;
size_out = size;
}
/* now encode as many frames as possible */
if (enc->frame_size > 1) {
/* output resampled raw samples */
fifo_write(&ost->fifo, buftmp, size_out,
&ost->fifo.wptr);
frame_bytes = enc->frame_size * 2 * enc->channels;
while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
&ost->fifo.rptr) == 0) {
AVPacket pkt;
av_init_packet(&pkt);
ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
(short *)audio_buf);
audio_size += ret;
pkt.stream_index= ost->index;
pkt.data= audio_out;
pkt.size= ret;
if(enc->coded_frame)
pkt.pts= enc->coded_frame->pts;
pkt.flags |= PKT_FLAG_KEY;
av_interleaved_write_frame(s, &pkt);
ost->sync_opts += enc->frame_size;
}
} else {
AVPacket pkt;
av_init_packet(&pkt);
ost->sync_opts += size_out / (2 * enc->channels);
/* output a pcm frame */
/* XXX: change encoding codec API to avoid this ? */
switch(enc->codec->id) {
case CODEC_ID_PCM_S16LE:
case CODEC_ID_PCM_S16BE:
case CODEC_ID_PCM_U16LE:
case CODEC_ID_PCM_U16BE:
break;
default:
size_out = size_out >> 1;
break;
}
ret = avcodec_encode_audio(enc, audio_out, size_out,
(short *)buftmp);
audio_size += ret;
pkt.stream_index= ost->index;
pkt.data= audio_out;
pkt.size= ret;
if(enc->coded_frame)
pkt.pts= enc->coded_frame->pts;
pkt.flags |= PKT_FLAG_KEY;
av_interleaved_write_frame(s, &pkt);
}
}
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
{
AVCodecContext *dec;
AVPicture *picture2;
AVPicture picture_tmp;
uint8_t *buf = 0;
dec = &ist->st->codec;
/* deinterlace : must be done before any resize */
if (do_deinterlace || using_vhook) {
int size;
/* create temporary picture */
size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
buf = av_malloc(size);
if (!buf)
return;
picture2 = &picture_tmp;
avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
if (do_deinterlace){
if(avpicture_deinterlace(picture2, picture,
dec->pix_fmt, dec->width, dec->height) < 0) {
/* if error, do not deinterlace */
av_free(buf);
buf = NULL;
picture2 = picture;
}
} else {
if (img_convert(picture2, dec->pix_fmt, picture,
dec->pix_fmt, dec->width, dec->height) < 0) {
/* if error, do not copy */
av_free(buf);
buf = NULL;
picture2 = picture;
}
}
} else {
picture2 = picture;
}
frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
if (picture != picture2)
*picture = *picture2;
*bufp = buf;
}
/* we begin to correct av delay at this threshold */
#define AV_DELAY_MAX 0.100
/* Expects img to be yuv420 */
static void fill_pad_region(AVPicture* img, int height, int width,
int padtop, int padbottom, int padleft, int padright, int *color) {
int i, y, shift;
uint8_t *optr;
for (i = 0; i < 3; i++) {
shift = (i == 0) ? 0 : 1;
if (padtop || padleft) {
memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
padleft) >> shift));
}
if (padleft || padright) {
optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
(img->linesize[i] - (padright >> shift));
for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
memset(optr, color[i], (padleft + padright) >> shift);
optr += img->linesize[i];
}
}
if (padbottom) {
optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
}
}
}
static uint8_t *bit_buffer= NULL;
static void do_video_out(AVFormatContext *s,
AVOutputStream *ost,
AVInputStream *ist,
AVFrame *in_picture,
int *frame_size)
{
int nb_frames, i, ret;
AVFrame *final_picture, *formatted_picture;
AVFrame picture_format_temp, picture_crop_temp;
uint8_t *buf = NULL, *buf1 = NULL;
AVCodecContext *enc, *dec;
enum PixelFormat target_pixfmt;
#define VIDEO_BUFFER_SIZE (1024*1024)
avcodec_get_frame_defaults(&picture_format_temp);
avcodec_get_frame_defaults(&picture_crop_temp);
enc = &ost->st->codec;
dec = &ist->st->codec;
/* by default, we output a single frame */
nb_frames = 1;
*frame_size = 0;
if(video_sync_method){
double vdelta;
vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
//FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
if (vdelta < -1.1)
nb_frames = 0;
else if (vdelta > 1.1)
nb_frames = lrintf(vdelta - 1.1 + 0.5);
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%lld, ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
if (nb_frames == 0){
++nb_frames_drop;
if (verbose>2)
fprintf(stderr, "*** drop!\n");
}else if (nb_frames > 1) {
nb_frames_dup += nb_frames;
if (verbose>2)
fprintf(stderr, "*** %d dup!\n", nb_frames-1);
}
}else
ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
if (nb_frames <= 0)
return;
/* convert pixel format if needed */
target_pixfmt = ost->video_resample || ost->video_pad
? PIX_FMT_YUV420P : enc->pix_fmt;
if (dec->pix_fmt != target_pixfmt) {
int size;
/* create temporary picture */
size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
buf = av_malloc(size);
if (!buf)
return;
formatted_picture = &picture_format_temp;
avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
(AVPicture *)in_picture, dec->pix_fmt,
dec->width, dec->height) < 0) {
if (verbose >= 0)
fprintf(stderr, "pixel format conversion not handled\n");
goto the_end;
}
} else {
formatted_picture = in_picture;
}
/* XXX: resampling could be done before raw format conversion in
some cases to go faster */
/* XXX: only works for YUV420P */
if (ost->video_resample) {
final_picture = &ost->pict_tmp;
img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
ost->padtop, ost->padbottom, ost->padleft, ost->padright,
padcolor);
}
if (enc->pix_fmt != PIX_FMT_YUV420P) {
int size;
av_free(buf);
/* create temporary picture */
size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
buf = av_malloc(size);
if (!buf)
return;
final_picture = &picture_format_temp;
avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
(AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
enc->width, enc->height) < 0) {
if (verbose >= 0)
fprintf(stderr, "pixel format conversion not handled\n");
goto the_end;
}
}
} else if (ost->video_crop) {
picture_crop_temp.data[0] = formatted_picture->data[0] +
(ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
picture_crop_temp.data[1] = formatted_picture->data[1] +
((ost->topBand >> 1) * formatted_picture->linesize[1]) +
(ost->leftBand >> 1);
picture_crop_temp.data[2] = formatted_picture->data[2] +
((ost->topBand >> 1) * formatted_picture->linesize[2]) +
(ost->leftBand >> 1);
picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
final_picture = &picture_crop_temp;
} else if (ost->video_pad) {
final_picture = &ost->pict_tmp;
for (i = 0; i < 3; i++) {
uint8_t *optr, *iptr;
int shift = (i == 0) ? 0 : 1;
int y, yheight;
/* set offset to start writing image into */
optr = final_picture->data[i] + (((final_picture->linesize[i] *
ost->padtop) + ost->padleft) >> shift);
iptr = formatted_picture->data[i];
yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
for (y = 0; y < yheight; y++) {
/* copy unpadded image row into padded image row */
memcpy(optr, iptr, formatted_picture->linesize[i]);
optr += final_picture->linesize[i];
iptr += formatted_picture->linesize[i];
}
}
fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
ost->padtop, ost->padbottom, ost->padleft, ost->padright,
padcolor);
if (enc->pix_fmt != PIX_FMT_YUV420P) {
int size;
av_free(buf);
/* create temporary picture */
size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
buf = av_malloc(size);
if (!buf)
return;
final_picture = &picture_format_temp;
avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
(AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
enc->width, enc->height) < 0) {
if (verbose >= 0)
fprintf(stderr, "pixel format conversion not handled\n");
goto the_end;
}
}
} else {
final_picture = formatted_picture;
}
/* duplicates frame if needed */
for(i=0;i<nb_frames;i++) {
AVPacket pkt;
av_init_packet(&pkt);
pkt.stream_index= ost->index;
if (s->oformat->flags & AVFMT_RAWPICTURE) {
/* raw pictures are written as AVPicture structure to
avoid any copies. We support temorarily the older
method. */
AVFrame* old_frame = enc->coded_frame;
enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
pkt.data= (uint8_t *)final_picture;
pkt.size= sizeof(AVPicture);
if(dec->coded_frame)
pkt.pts= dec->coded_frame->pts;
if(dec->coded_frame && dec->coded_frame->key_frame)
pkt.flags |= PKT_FLAG_KEY;
av_interleaved_write_frame(s, &pkt);
enc->coded_frame = old_frame;
} else {
AVFrame big_picture;
big_picture= *final_picture;
/* better than nothing: use input picture interlaced
settings */
big_picture.interlaced_frame = in_picture->interlaced_frame;
if(do_interlace_me || do_interlace_dct){
if(top_field_first == -1)
big_picture.top_field_first = in_picture->top_field_first;
else
big_picture.top_field_first = top_field_first;
}
/* handles sameq here. This is not correct because it may
not be a global option */
if (same_quality) {
big_picture.quality = ist->st->quality;
}else
big_picture.quality = ost->st->quality;
if(!me_threshold)
big_picture.pict_type = 0;
// big_picture.pts = AV_NOPTS_VALUE;
big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
//av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
ret = avcodec_encode_video(enc,
bit_buffer, VIDEO_BUFFER_SIZE,
&big_picture);
//enc->frame_number = enc->real_pict_num;
if(ret){
pkt.data= bit_buffer;
pkt.size= ret;
if(enc->coded_frame)
pkt.pts= enc->coded_frame->pts;
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
if(enc->coded_frame && enc->coded_frame->key_frame)
pkt.flags |= PKT_FLAG_KEY;
av_interleaved_write_frame(s, &pkt);
*frame_size = ret;
//fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
// enc->frame_number-1, enc->real_pict_num, ret,
// enc->pict_type);
/* if two pass, output log */
if (ost->logfile && enc->stats_out) {
fprintf(ost->logfile, "%s", enc->stats_out);
}
}
}
ost->sync_opts++;
ost->frame_number++;
}
the_end:
av_free(buf);
av_free(buf1);
}
static double psnr(double d){
if(d==0) return INFINITY;
return -10.0*log(d)/log(10.0);
}
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
int frame_size)
{
static FILE *fvstats=NULL;
char filename[40];
time_t today2;
struct tm *today;
AVCodecContext *enc;
int frame_number;
int64_t ti;
double ti1, bitrate, avg_bitrate;
if (!fvstats) {
today2 = time(NULL);
today = localtime(&today2);
sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
today->tm_min,
today->tm_sec);
fvstats = fopen(filename,"w");
if (!fvstats) {
perror("fopen");
exit(1);
}
}
ti = MAXINT64;
enc = &ost->st->codec;
if (enc->codec_type == CODEC_TYPE_VIDEO) {
frame_number = ost->frame_number;
fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
if (enc->flags&CODEC_FLAG_PSNR)
fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
fprintf(fvstats,"f_size= %6d ", frame_size);
/* compute pts value */
ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
}
}
static void print_report(AVFormatContext **output_files,
AVOutputStream **ost_table, int nb_ostreams,
int is_last_report)
{
char buf[1024];
AVOutputStream *ost;
AVFormatContext *oc, *os;
int64_t total_size;
AVCodecContext *enc;
int frame_number, vid, i;
double bitrate, ti1, pts;
static int64_t last_time = -1;
if (!is_last_report) {
int64_t cur_time;
/* display the report every 0.5 seconds */
cur_time = av_gettime();
if (last_time == -1) {
last_time = cur_time;
return;
}
if ((cur_time - last_time) < 500000)
return;
last_time = cur_time;
}
oc = output_files[0];
total_size = url_ftell(&oc->pb);
buf[0] = '\0';
ti1 = 1e10;
vid = 0;
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
os = output_files[ost->file_index];
enc = &ost->st->codec;
if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
sprintf(buf + strlen(buf), "q=%2.1f ",