580817df04
The picture struct is written to in the loop, so this cannot work. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
4561 lines
168 KiB
C
4561 lines
168 KiB
C
/*
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* ffmpeg main
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* Copyright (c) 2000-2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <ctype.h>
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#include <string.h>
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#include <math.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <signal.h>
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#include <limits.h>
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#include <unistd.h>
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#include "libavformat/avformat.h"
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#include "libavdevice/avdevice.h"
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#include "libswscale/swscale.h"
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#include "libavutil/opt.h"
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#include "libavcodec/audioconvert.h"
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#include "libavutil/audioconvert.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/samplefmt.h"
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#include "libavutil/colorspace.h"
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#include "libavutil/fifo.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/avstring.h"
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#include "libavutil/libm.h"
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#include "libavformat/os_support.h"
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#include "libavformat/ffm.h" // not public API
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#if CONFIG_AVFILTER
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# include "libavfilter/avcodec.h"
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# include "libavfilter/avfilter.h"
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# include "libavfilter/avfiltergraph.h"
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# include "libavfilter/vsrc_buffer.h"
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#endif
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#if HAVE_SYS_RESOURCE_H
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#elif HAVE_GETPROCESSTIMES
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#include <windows.h>
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#endif
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#if HAVE_GETPROCESSMEMORYINFO
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#include <windows.h>
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#include <psapi.h>
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#endif
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#if HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#if HAVE_TERMIOS_H
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <termios.h>
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#elif HAVE_KBHIT
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#include <conio.h>
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#endif
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#include <time.h>
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#include "cmdutils.h"
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#include "libavutil/avassert.h"
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const char program_name[] = "ffmpeg";
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const int program_birth_year = 2000;
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/* select an input stream for an output stream */
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typedef struct AVStreamMap {
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int file_index;
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int stream_index;
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int sync_file_index;
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int sync_stream_index;
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} AVStreamMap;
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/**
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* select an input file for an output file
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*/
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typedef struct AVMetaDataMap {
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int file; //< file index
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char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
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int index; //< stream/chapter/program number
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} AVMetaDataMap;
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typedef struct AVChapterMap {
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int in_file;
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int out_file;
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} AVChapterMap;
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static const OptionDef options[];
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#define MAX_FILES 100
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#define MAX_STREAMS 1024 /* arbitrary sanity check value */
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static const char *last_asked_format = NULL;
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static int64_t input_files_ts_offset[MAX_FILES];
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static double *input_files_ts_scale[MAX_FILES] = {NULL};
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static AVCodec **input_codecs = NULL;
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static int nb_input_codecs = 0;
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static int nb_input_files_ts_scale[MAX_FILES] = {0};
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static AVFormatContext *output_files[MAX_FILES];
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static AVCodec **output_codecs = NULL;
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static int nb_output_files = 0;
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static int nb_output_codecs = 0;
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static AVStreamMap *stream_maps = NULL;
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static int nb_stream_maps;
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/* first item specifies output metadata, second is input */
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static AVMetaDataMap (*meta_data_maps)[2] = NULL;
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static int nb_meta_data_maps;
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static int metadata_global_autocopy = 1;
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static int metadata_streams_autocopy = 1;
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static int metadata_chapters_autocopy = 1;
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static AVChapterMap *chapter_maps = NULL;
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static int nb_chapter_maps;
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/* indexed by output file stream index */
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static int *streamid_map = NULL;
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static int nb_streamid_map = 0;
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static int frame_width = 0;
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static int frame_height = 0;
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static float frame_aspect_ratio = 0;
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static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
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static int frame_bits_per_raw_sample = 0;
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static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
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static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
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static AVRational frame_rate;
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static float video_qscale = 0;
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static uint16_t *intra_matrix = NULL;
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static uint16_t *inter_matrix = NULL;
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static const char *video_rc_override_string=NULL;
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static int video_disable = 0;
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static int video_discard = 0;
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static char *video_codec_name = NULL;
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static unsigned int video_codec_tag = 0;
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static char *video_language = NULL;
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static int same_quality = 0;
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static int do_deinterlace = 0;
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static int top_field_first = -1;
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static int me_threshold = 0;
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static int intra_dc_precision = 8;
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static int loop_input = 0;
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static int loop_output = AVFMT_NOOUTPUTLOOP;
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static int qp_hist = 0;
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#if CONFIG_AVFILTER
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static char *vfilters = NULL;
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#endif
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static int intra_only = 0;
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static int audio_sample_rate = 44100;
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static int64_t channel_layout = 0;
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#define QSCALE_NONE -99999
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static float audio_qscale = QSCALE_NONE;
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static int audio_disable = 0;
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static int audio_channels = 1;
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static char *audio_codec_name = NULL;
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static unsigned int audio_codec_tag = 0;
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static char *audio_language = NULL;
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static int subtitle_disable = 0;
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static char *subtitle_codec_name = NULL;
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static char *subtitle_language = NULL;
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static unsigned int subtitle_codec_tag = 0;
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static int data_disable = 0;
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static char *data_codec_name = NULL;
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static unsigned int data_codec_tag = 0;
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static float mux_preload= 0.5;
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static float mux_max_delay= 0.7;
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static int64_t recording_time = INT64_MAX;
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static int64_t start_time = 0;
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static int64_t recording_timestamp = 0;
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static int64_t input_ts_offset = 0;
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static int file_overwrite = 0;
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static AVMetadata *metadata;
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static int do_benchmark = 0;
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static int do_hex_dump = 0;
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static int do_pkt_dump = 0;
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static int do_psnr = 0;
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static int do_pass = 0;
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static const char *pass_logfilename_prefix;
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static int audio_stream_copy = 0;
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static int video_stream_copy = 0;
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static int subtitle_stream_copy = 0;
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static int data_stream_copy = 0;
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static int video_sync_method= -1;
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static int audio_sync_method= 0;
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static float audio_drift_threshold= 0.1;
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static int copy_ts= 0;
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static int copy_tb= 0;
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static int opt_shortest = 0;
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static char *vstats_filename;
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static FILE *vstats_file;
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static int opt_programid = 0;
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static int copy_initial_nonkeyframes = 0;
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static int rate_emu = 0;
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static int video_channel = 0;
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static char *video_standard;
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static int audio_volume = 256;
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static int exit_on_error = 0;
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static int using_stdin = 0;
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static int verbose = 1;
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static int run_as_daemon = 0;
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static int thread_count= 1;
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static int q_pressed = 0;
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static int64_t video_size = 0;
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static int64_t audio_size = 0;
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static int64_t extra_size = 0;
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static int nb_frames_dup = 0;
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static int nb_frames_drop = 0;
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static int input_sync;
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static uint64_t limit_filesize = 0;
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static int force_fps = 0;
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static char *forced_key_frames = NULL;
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static float dts_delta_threshold = 10;
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static int64_t timer_start;
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static uint8_t *audio_buf;
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static uint8_t *audio_out;
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static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
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static short *samples;
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static AVBitStreamFilterContext *video_bitstream_filters=NULL;
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static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
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static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
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#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
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struct AVInputStream;
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typedef struct AVOutputStream {
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int file_index; /* file index */
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int index; /* stream index in the output file */
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int source_index; /* AVInputStream index */
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AVStream *st; /* stream in the output file */
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int encoding_needed; /* true if encoding needed for this stream */
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int frame_number;
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/* input pts and corresponding output pts
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for A/V sync */
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//double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
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struct AVInputStream *sync_ist; /* input stream to sync against */
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int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
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AVBitStreamFilterContext *bitstream_filters;
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/* video only */
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int video_resample;
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AVFrame resample_frame; /* temporary frame for image resampling */
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struct SwsContext *img_resample_ctx; /* for image resampling */
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int resample_height;
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int resample_width;
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int resample_pix_fmt;
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float frame_aspect_ratio;
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/* forced key frames */
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int64_t *forced_kf_pts;
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int forced_kf_count;
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int forced_kf_index;
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/* audio only */
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int audio_resample;
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ReSampleContext *resample; /* for audio resampling */
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int resample_sample_fmt;
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int resample_channels;
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int resample_sample_rate;
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int reformat_pair;
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AVAudioConvert *reformat_ctx;
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AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
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FILE *logfile;
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#if CONFIG_AVFILTER
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AVFilterContext *output_video_filter;
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AVFilterContext *input_video_filter;
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AVFilterBufferRef *picref;
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char *avfilter;
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AVFilterGraph *graph;
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#endif
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int sws_flags;
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} AVOutputStream;
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static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
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static int nb_output_streams_for_file[MAX_FILES] = { 0 };
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typedef struct AVInputStream {
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int file_index;
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AVStream *st;
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int discard; /* true if stream data should be discarded */
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int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
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int64_t sample_index; /* current sample */
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int64_t start; /* time when read started */
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int64_t next_pts; /* synthetic pts for cases where pkt.pts
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is not defined */
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int64_t pts; /* current pts */
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int is_start; /* is 1 at the start and after a discontinuity */
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int showed_multi_packet_warning;
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int is_past_recording_time;
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#if CONFIG_AVFILTER
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AVFrame *filter_frame;
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int has_filter_frame;
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#endif
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} AVInputStream;
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typedef struct AVInputFile {
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AVFormatContext *ctx;
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int eof_reached; /* true if eof reached */
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int ist_index; /* index of first stream in ist_table */
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int buffer_size; /* current total buffer size */
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} AVInputFile;
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#if HAVE_TERMIOS_H
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/* init terminal so that we can grab keys */
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static struct termios oldtty;
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#endif
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static AVInputStream *input_streams = NULL;
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static int nb_input_streams = 0;
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static AVInputFile *input_files = NULL;
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static int nb_input_files = 0;
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#if CONFIG_AVFILTER
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static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
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{
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AVFilterContext *last_filter, *filter;
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/** filter graph containing all filters including input & output */
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AVCodecContext *codec = ost->st->codec;
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AVCodecContext *icodec = ist->st->codec;
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FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
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AVRational sample_aspect_ratio;
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char args[255];
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int ret;
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ost->graph = avfilter_graph_alloc();
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if (ist->st->sample_aspect_ratio.num){
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sample_aspect_ratio = ist->st->sample_aspect_ratio;
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}else
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sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
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snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
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ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
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sample_aspect_ratio.num, sample_aspect_ratio.den);
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ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
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"src", args, NULL, ost->graph);
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if (ret < 0)
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return ret;
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ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
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"out", NULL, &ffsink_ctx, ost->graph);
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if (ret < 0)
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return ret;
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last_filter = ost->input_video_filter;
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if (codec->width != icodec->width || codec->height != icodec->height) {
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snprintf(args, 255, "%d:%d:flags=0x%X",
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codec->width,
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codec->height,
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ost->sws_flags);
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if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
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NULL, args, NULL, ost->graph)) < 0)
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return ret;
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if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
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return ret;
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last_filter = filter;
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}
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snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
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ost->graph->scale_sws_opts = av_strdup(args);
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if (ost->avfilter) {
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AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
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AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
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outputs->name = av_strdup("in");
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outputs->filter_ctx = last_filter;
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outputs->pad_idx = 0;
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outputs->next = NULL;
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inputs->name = av_strdup("out");
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inputs->filter_ctx = ost->output_video_filter;
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inputs->pad_idx = 0;
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inputs->next = NULL;
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if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
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return ret;
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av_freep(&ost->avfilter);
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} else {
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if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
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return ret;
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}
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|
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if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
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return ret;
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codec->width = ost->output_video_filter->inputs[0]->w;
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codec->height = ost->output_video_filter->inputs[0]->h;
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codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
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ost->frame_aspect_ratio ? // overriden by the -aspect cli option
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av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
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ost->output_video_filter->inputs[0]->sample_aspect_ratio;
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return 0;
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}
|
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#endif /* CONFIG_AVFILTER */
|
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|
|
static void term_exit(void)
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|
{
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|
av_log(NULL, AV_LOG_QUIET, "");
|
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#if HAVE_TERMIOS_H
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if(!run_as_daemon)
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tcsetattr (0, TCSANOW, &oldtty);
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#endif
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}
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|
|
static volatile int received_sigterm = 0;
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|
|
static void
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sigterm_handler(int sig)
|
|
{
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|
received_sigterm = sig;
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q_pressed++;
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term_exit();
|
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}
|
|
|
|
static void term_init(void)
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|
{
|
|
#if HAVE_TERMIOS_H
|
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if(!run_as_daemon){
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struct termios tty;
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tcgetattr (0, &tty);
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oldtty = tty;
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atexit(term_exit);
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tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
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|INLCR|IGNCR|ICRNL|IXON);
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tty.c_oflag |= OPOST;
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tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
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tty.c_cflag &= ~(CSIZE|PARENB);
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tty.c_cflag |= CS8;
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tty.c_cc[VMIN] = 1;
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tty.c_cc[VTIME] = 0;
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|
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tcsetattr (0, TCSANOW, &tty);
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signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
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}
|
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#endif
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|
|
signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
|
|
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
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|
#ifdef SIGXCPU
|
|
signal(SIGXCPU, sigterm_handler);
|
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#endif
|
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}
|
|
|
|
/* read a key without blocking */
|
|
static int read_key(void)
|
|
{
|
|
#if HAVE_TERMIOS_H
|
|
int n = 1;
|
|
unsigned char ch;
|
|
struct timeval tv;
|
|
fd_set rfds;
|
|
|
|
if(run_as_daemon)
|
|
return -1;
|
|
|
|
FD_ZERO(&rfds);
|
|
FD_SET(0, &rfds);
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 0;
|
|
n = select(1, &rfds, NULL, NULL, &tv);
|
|
if (n > 0) {
|
|
n = read(0, &ch, 1);
|
|
if (n == 1)
|
|
return ch;
|
|
|
|
return n;
|
|
}
|
|
#elif HAVE_KBHIT
|
|
if(kbhit())
|
|
return(getch());
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
static int decode_interrupt_cb(void)
|
|
{
|
|
q_pressed += read_key() == 'q';
|
|
return q_pressed > 1;
|
|
}
|
|
|
|
static int ffmpeg_exit(int ret)
|
|
{
|
|
int i;
|
|
|
|
/* close files */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
AVFormatContext *s = output_files[i];
|
|
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
|
|
avio_close(s->pb);
|
|
avformat_free_context(s);
|
|
av_free(output_streams_for_file[i]);
|
|
}
|
|
for(i=0;i<nb_input_files;i++) {
|
|
av_close_input_file(input_files[i].ctx);
|
|
av_free(input_files_ts_scale[i]);
|
|
}
|
|
|
|
av_free(intra_matrix);
|
|
av_free(inter_matrix);
|
|
|
|
if (vstats_file)
|
|
fclose(vstats_file);
|
|
av_free(vstats_filename);
|
|
|
|
av_free(streamid_map);
|
|
av_free(input_codecs);
|
|
av_free(output_codecs);
|
|
av_free(stream_maps);
|
|
av_free(meta_data_maps);
|
|
|
|
av_freep(&input_streams);
|
|
av_freep(&input_files);
|
|
|
|
av_free(video_codec_name);
|
|
av_free(audio_codec_name);
|
|
av_free(subtitle_codec_name);
|
|
av_free(data_codec_name);
|
|
|
|
av_free(video_standard);
|
|
|
|
uninit_opts();
|
|
av_free(audio_buf);
|
|
av_free(audio_out);
|
|
allocated_audio_buf_size= allocated_audio_out_size= 0;
|
|
av_free(samples);
|
|
|
|
#if CONFIG_AVFILTER
|
|
avfilter_uninit();
|
|
#endif
|
|
|
|
if (received_sigterm) {
|
|
fprintf(stderr,
|
|
"Received signal %d: terminating.\n",
|
|
(int) received_sigterm);
|
|
exit (255);
|
|
}
|
|
|
|
exit(ret); /* not all OS-es handle main() return value */
|
|
return ret;
|
|
}
|
|
|
|
/* similar to ff_dynarray_add() and av_fast_realloc() */
|
|
static void *grow_array(void *array, int elem_size, int *size, int new_size)
|
|
{
|
|
if (new_size >= INT_MAX / elem_size) {
|
|
fprintf(stderr, "Array too big.\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
if (*size < new_size) {
|
|
uint8_t *tmp = av_realloc(array, new_size*elem_size);
|
|
if (!tmp) {
|
|
fprintf(stderr, "Could not alloc buffer.\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
|
|
*size = new_size;
|
|
return tmp;
|
|
}
|
|
return array;
|
|
}
|
|
|
|
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
|
|
{
|
|
if(codec && codec->sample_fmts){
|
|
const enum AVSampleFormat *p= codec->sample_fmts;
|
|
for(; *p!=-1; p++){
|
|
if(*p == st->codec->sample_fmt)
|
|
break;
|
|
}
|
|
if (*p == -1) {
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
|
|
av_get_sample_fmt_name(st->codec->sample_fmt),
|
|
codec->name,
|
|
av_get_sample_fmt_name(codec->sample_fmts[0]));
|
|
st->codec->sample_fmt = codec->sample_fmts[0];
|
|
}
|
|
}
|
|
}
|
|
|
|
static void choose_sample_rate(AVStream *st, AVCodec *codec)
|
|
{
|
|
if(codec && codec->supported_samplerates){
|
|
const int *p= codec->supported_samplerates;
|
|
int best=0;
|
|
int best_dist=INT_MAX;
|
|
for(; *p; p++){
|
|
int dist= abs(st->codec->sample_rate - *p);
|
|
if(dist < best_dist){
|
|
best_dist= dist;
|
|
best= *p;
|
|
}
|
|
}
|
|
if(best_dist){
|
|
av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
|
|
}
|
|
st->codec->sample_rate= best;
|
|
}
|
|
}
|
|
|
|
static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
|
|
{
|
|
if(codec && codec->pix_fmts){
|
|
const enum PixelFormat *p= codec->pix_fmts;
|
|
if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
|
|
if(st->codec->codec_id==CODEC_ID_MJPEG){
|
|
p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
|
|
}else if(st->codec->codec_id==CODEC_ID_LJPEG){
|
|
p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
|
|
}
|
|
}
|
|
for(; *p!=-1; p++){
|
|
if(*p == st->codec->pix_fmt)
|
|
break;
|
|
}
|
|
if (*p == -1) {
|
|
if(st->codec->pix_fmt != PIX_FMT_NONE)
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
|
|
av_pix_fmt_descriptors[st->codec->pix_fmt].name,
|
|
codec->name,
|
|
av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
|
|
st->codec->pix_fmt = codec->pix_fmts[0];
|
|
}
|
|
}
|
|
}
|
|
|
|
static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
|
|
{
|
|
int idx = oc->nb_streams - 1;
|
|
AVOutputStream *ost;
|
|
|
|
output_streams_for_file[file_idx] =
|
|
grow_array(output_streams_for_file[file_idx],
|
|
sizeof(*output_streams_for_file[file_idx]),
|
|
&nb_output_streams_for_file[file_idx],
|
|
oc->nb_streams);
|
|
ost = output_streams_for_file[file_idx][idx] =
|
|
av_mallocz(sizeof(AVOutputStream));
|
|
if (!ost) {
|
|
fprintf(stderr, "Could not alloc output stream\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
ost->file_index = file_idx;
|
|
ost->index = idx;
|
|
|
|
ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
|
|
return ost;
|
|
}
|
|
|
|
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
|
|
{
|
|
int i, err;
|
|
AVFormatContext *ic;
|
|
int nopts = 0;
|
|
|
|
err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
|
|
if (err < 0)
|
|
return err;
|
|
/* copy stream format */
|
|
s->nb_streams = 0;
|
|
s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
|
|
for(i=0;i<ic->nb_streams;i++) {
|
|
AVStream *st;
|
|
AVCodec *codec;
|
|
|
|
s->nb_streams++;
|
|
|
|
// FIXME: a more elegant solution is needed
|
|
st = av_mallocz(sizeof(AVStream));
|
|
memcpy(st, ic->streams[i], sizeof(AVStream));
|
|
st->info = av_malloc(sizeof(*st->info));
|
|
memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
|
|
st->codec = avcodec_alloc_context();
|
|
if (!st->codec) {
|
|
print_error(filename, AVERROR(ENOMEM));
|
|
ffmpeg_exit(1);
|
|
}
|
|
avcodec_copy_context(st->codec, ic->streams[i]->codec);
|
|
s->streams[i] = st;
|
|
|
|
codec = avcodec_find_encoder(st->codec->codec_id);
|
|
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
if (audio_stream_copy) {
|
|
st->stream_copy = 1;
|
|
} else
|
|
choose_sample_fmt(st, codec);
|
|
} else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
if (video_stream_copy) {
|
|
st->stream_copy = 1;
|
|
} else
|
|
choose_pixel_fmt(st, codec);
|
|
}
|
|
|
|
if(st->codec->flags & CODEC_FLAG_BITEXACT)
|
|
nopts = 1;
|
|
|
|
new_output_stream(s, nb_output_files);
|
|
}
|
|
|
|
if (!nopts)
|
|
s->timestamp = av_gettime();
|
|
|
|
av_close_input_file(ic);
|
|
return 0;
|
|
}
|
|
|
|
static double
|
|
get_sync_ipts(const AVOutputStream *ost)
|
|
{
|
|
const AVInputStream *ist = ost->sync_ist;
|
|
return (double)(ist->pts - start_time)/AV_TIME_BASE;
|
|
}
|
|
|
|
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
|
|
int ret;
|
|
|
|
while(bsfc){
|
|
AVPacket new_pkt= *pkt;
|
|
int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
|
|
&new_pkt.data, &new_pkt.size,
|
|
pkt->data, pkt->size,
|
|
pkt->flags & AV_PKT_FLAG_KEY);
|
|
if(a>0){
|
|
av_free_packet(pkt);
|
|
new_pkt.destruct= av_destruct_packet;
|
|
} else if(a<0){
|
|
fprintf(stderr, "%s failed for stream %d, codec %s",
|
|
bsfc->filter->name, pkt->stream_index,
|
|
avctx->codec ? avctx->codec->name : "copy");
|
|
print_error("", a);
|
|
if (exit_on_error)
|
|
ffmpeg_exit(1);
|
|
}
|
|
*pkt= new_pkt;
|
|
|
|
bsfc= bsfc->next;
|
|
}
|
|
|
|
ret= av_interleaved_write_frame(s, pkt);
|
|
if(ret < 0){
|
|
print_error("av_interleaved_write_frame()", ret);
|
|
ffmpeg_exit(1);
|
|
}
|
|
}
|
|
|
|
#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;
|
|
int64_t audio_out_size, audio_buf_size;
|
|
int64_t allocated_for_size= size;
|
|
|
|
int size_out, frame_bytes, ret, resample_changed;
|
|
AVCodecContext *enc= ost->st->codec;
|
|
AVCodecContext *dec= ist->st->codec;
|
|
int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
|
|
int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
|
|
const int coded_bps = av_get_bits_per_sample(enc->codec->id);
|
|
|
|
need_realloc:
|
|
audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
|
|
audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
|
|
audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
|
|
audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
|
|
audio_buf_size*= osize*enc->channels;
|
|
|
|
audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
|
|
if(coded_bps > 8*osize)
|
|
audio_out_size= audio_out_size * coded_bps / (8*osize);
|
|
audio_out_size += FF_MIN_BUFFER_SIZE;
|
|
|
|
if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
|
|
fprintf(stderr, "Buffer sizes too large\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
|
|
av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
|
|
av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
|
|
if (!audio_buf || !audio_out){
|
|
fprintf(stderr, "Out of memory in do_audio_out\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
|
|
if (enc->channels != dec->channels)
|
|
ost->audio_resample = 1;
|
|
|
|
resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
|
|
ost->resample_channels != dec->channels ||
|
|
ost->resample_sample_rate != dec->sample_rate;
|
|
|
|
if ((ost->audio_resample && !ost->resample) || resample_changed) {
|
|
if (resample_changed) {
|
|
av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
|
|
ist->file_index, ist->st->index,
|
|
ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
|
|
dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
|
|
ost->resample_sample_fmt = dec->sample_fmt;
|
|
ost->resample_channels = dec->channels;
|
|
ost->resample_sample_rate = dec->sample_rate;
|
|
if (ost->resample)
|
|
audio_resample_close(ost->resample);
|
|
}
|
|
/* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
|
|
if (audio_sync_method <= 1 &&
|
|
ost->resample_sample_fmt == enc->sample_fmt &&
|
|
ost->resample_channels == enc->channels &&
|
|
ost->resample_sample_rate == enc->sample_rate) {
|
|
ost->resample = NULL;
|
|
ost->audio_resample = 0;
|
|
} else {
|
|
if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
|
|
fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
|
|
ost->resample = av_audio_resample_init(enc->channels, dec->channels,
|
|
enc->sample_rate, dec->sample_rate,
|
|
enc->sample_fmt, dec->sample_fmt,
|
|
16, 10, 0, 0.8);
|
|
if (!ost->resample) {
|
|
fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
|
|
dec->channels, dec->sample_rate,
|
|
enc->channels, enc->sample_rate);
|
|
ffmpeg_exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
|
|
if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
|
|
MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
|
|
if (ost->reformat_ctx)
|
|
av_audio_convert_free(ost->reformat_ctx);
|
|
ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
|
|
dec->sample_fmt, 1, NULL, 0);
|
|
if (!ost->reformat_ctx) {
|
|
fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
|
|
av_get_sample_fmt_name(dec->sample_fmt),
|
|
av_get_sample_fmt_name(enc->sample_fmt));
|
|
ffmpeg_exit(1);
|
|
}
|
|
ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
|
|
}
|
|
|
|
if(audio_sync_method){
|
|
double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
|
|
- av_fifo_size(ost->fifo)/(enc->channels * 2);
|
|
double idelta= delta*dec->sample_rate / enc->sample_rate;
|
|
int byte_delta= ((int)idelta)*2*dec->channels;
|
|
|
|
//FIXME resample delay
|
|
if(fabs(delta) > 50){
|
|
if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
|
|
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 > allocated_for_size - size){
|
|
allocated_for_size= byte_delta + (int64_t)size;
|
|
goto need_realloc;
|
|
}
|
|
ist->is_start=0;
|
|
|
|
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= av_clip(delta, -audio_sync_method, audio_sync_method);
|
|
av_assert0(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:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
|
|
av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
|
|
}
|
|
}
|
|
}else
|
|
ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
|
|
- av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
|
|
|
|
if (ost->audio_resample) {
|
|
buftmp = audio_buf;
|
|
size_out = audio_resample(ost->resample,
|
|
(short *)buftmp, (short *)buf,
|
|
size / (dec->channels * isize));
|
|
size_out = size_out * enc->channels * osize;
|
|
} else {
|
|
buftmp = buf;
|
|
size_out = size;
|
|
}
|
|
|
|
if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
|
|
const void *ibuf[6]= {buftmp};
|
|
void *obuf[6]= {audio_buf};
|
|
int istride[6]= {isize};
|
|
int ostride[6]= {osize};
|
|
int len= size_out/istride[0];
|
|
if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
|
|
printf("av_audio_convert() failed\n");
|
|
if (exit_on_error)
|
|
ffmpeg_exit(1);
|
|
return;
|
|
}
|
|
buftmp = audio_buf;
|
|
size_out = len*osize;
|
|
}
|
|
|
|
/* now encode as many frames as possible */
|
|
if (enc->frame_size > 1) {
|
|
/* output resampled raw samples */
|
|
if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
|
|
fprintf(stderr, "av_fifo_realloc2() failed\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
|
|
|
|
frame_bytes = enc->frame_size * osize * enc->channels;
|
|
|
|
while (av_fifo_size(ost->fifo) >= frame_bytes) {
|
|
AVPacket pkt;
|
|
av_init_packet(&pkt);
|
|
|
|
av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
|
|
|
|
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
|
|
|
|
ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
|
|
(short *)audio_buf);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Audio encoding failed\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
audio_size += ret;
|
|
pkt.stream_index= ost->index;
|
|
pkt.data= audio_out;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= AV_PKT_FLAG_KEY;
|
|
write_frame(s, &pkt, enc, ost->bitstream_filters);
|
|
|
|
ost->sync_opts += enc->frame_size;
|
|
}
|
|
} else {
|
|
AVPacket pkt;
|
|
av_init_packet(&pkt);
|
|
|
|
ost->sync_opts += size_out / (osize * enc->channels);
|
|
|
|
/* output a pcm frame */
|
|
/* determine the size of the coded buffer */
|
|
size_out /= osize;
|
|
if (coded_bps)
|
|
size_out = size_out*coded_bps/8;
|
|
|
|
if(size_out > audio_out_size){
|
|
fprintf(stderr, "Internal error, buffer size too small\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
|
|
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
|
|
ret = avcodec_encode_audio(enc, audio_out, size_out,
|
|
(short *)buftmp);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Audio encoding failed\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
audio_size += ret;
|
|
pkt.stream_index= ost->index;
|
|
pkt.data= audio_out;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= AV_PKT_FLAG_KEY;
|
|
write_frame(s, &pkt, enc, ost->bitstream_filters);
|
|
}
|
|
}
|
|
|
|
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) {
|
|
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(avpicture_deinterlace(picture2, picture,
|
|
dec->pix_fmt, dec->width, dec->height) < 0) {
|
|
/* if error, do not deinterlace */
|
|
fprintf(stderr, "Deinterlacing failed\n");
|
|
av_free(buf);
|
|
buf = NULL;
|
|
picture2 = picture;
|
|
}
|
|
} else {
|
|
picture2 = picture;
|
|
}
|
|
|
|
if (picture != picture2)
|
|
*picture = *picture2;
|
|
*bufp = buf;
|
|
}
|
|
|
|
/* we begin to correct av delay at this threshold */
|
|
#define AV_DELAY_MAX 0.100
|
|
|
|
static void do_subtitle_out(AVFormatContext *s,
|
|
AVOutputStream *ost,
|
|
AVInputStream *ist,
|
|
AVSubtitle *sub,
|
|
int64_t pts)
|
|
{
|
|
static uint8_t *subtitle_out = NULL;
|
|
int subtitle_out_max_size = 1024 * 1024;
|
|
int subtitle_out_size, nb, i;
|
|
AVCodecContext *enc;
|
|
AVPacket pkt;
|
|
|
|
if (pts == AV_NOPTS_VALUE) {
|
|
fprintf(stderr, "Subtitle packets must have a pts\n");
|
|
if (exit_on_error)
|
|
ffmpeg_exit(1);
|
|
return;
|
|
}
|
|
|
|
enc = ost->st->codec;
|
|
|
|
if (!subtitle_out) {
|
|
subtitle_out = av_malloc(subtitle_out_max_size);
|
|
}
|
|
|
|
/* Note: DVB subtitle need one packet to draw them and one other
|
|
packet to clear them */
|
|
/* XXX: signal it in the codec context ? */
|
|
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
|
|
nb = 2;
|
|
else
|
|
nb = 1;
|
|
|
|
for(i = 0; i < nb; i++) {
|
|
sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
|
|
// start_display_time is required to be 0
|
|
sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
|
|
sub->end_display_time -= sub->start_display_time;
|
|
sub->start_display_time = 0;
|
|
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
|
|
subtitle_out_max_size, sub);
|
|
if (subtitle_out_size < 0) {
|
|
fprintf(stderr, "Subtitle encoding failed\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
|
|
av_init_packet(&pkt);
|
|
pkt.stream_index = ost->index;
|
|
pkt.data = subtitle_out;
|
|
pkt.size = subtitle_out_size;
|
|
pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
|
|
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
|
|
/* XXX: the pts correction is handled here. Maybe handling
|
|
it in the codec would be better */
|
|
if (i == 0)
|
|
pkt.pts += 90 * sub->start_display_time;
|
|
else
|
|
pkt.pts += 90 * sub->end_display_time;
|
|
}
|
|
write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
|
|
}
|
|
}
|
|
|
|
static int bit_buffer_size= 1024*256;
|
|
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, av_unused resample_changed;
|
|
AVFrame *final_picture, *formatted_picture;
|
|
AVCodecContext *enc, *dec;
|
|
double sync_ipts;
|
|
|
|
enc = ost->st->codec;
|
|
dec = ist->st->codec;
|
|
|
|
sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
|
|
|
|
/* by default, we output a single frame */
|
|
nb_frames = 1;
|
|
|
|
*frame_size = 0;
|
|
|
|
if(video_sync_method){
|
|
double vdelta = sync_ipts - 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 (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
|
|
if(vdelta<=-0.6){
|
|
nb_frames=0;
|
|
}else if(vdelta>0.6)
|
|
ost->sync_opts= lrintf(sync_ipts);
|
|
}else if (vdelta > 1.1)
|
|
nb_frames = lrintf(vdelta);
|
|
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), 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 - 1;
|
|
if (verbose>2)
|
|
fprintf(stderr, "*** %d dup!\n", nb_frames-1);
|
|
}
|
|
}else
|
|
ost->sync_opts= lrintf(sync_ipts);
|
|
|
|
nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
|
|
if (nb_frames <= 0)
|
|
return;
|
|
|
|
formatted_picture = in_picture;
|
|
final_picture = formatted_picture;
|
|
|
|
#if !CONFIG_AVFILTER
|
|
resample_changed = ost->resample_width != dec->width ||
|
|
ost->resample_height != dec->height ||
|
|
ost->resample_pix_fmt != dec->pix_fmt;
|
|
|
|
if (resample_changed) {
|
|
av_log(NULL, AV_LOG_INFO,
|
|
"Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
|
|
ist->file_index, ist->st->index,
|
|
ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
|
|
dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
|
|
ost->resample_width = dec->width;
|
|
ost->resample_height = dec->height;
|
|
ost->resample_pix_fmt = dec->pix_fmt;
|
|
}
|
|
|
|
ost->video_resample = dec->width != enc->width ||
|
|
dec->height != enc->height ||
|
|
dec->pix_fmt != enc->pix_fmt;
|
|
|
|
if (ost->video_resample) {
|
|
final_picture = &ost->resample_frame;
|
|
if (!ost->img_resample_ctx || resample_changed) {
|
|
/* initialize the destination picture */
|
|
if (!ost->resample_frame.data[0]) {
|
|
avcodec_get_frame_defaults(&ost->resample_frame);
|
|
if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
|
|
enc->width, enc->height)) {
|
|
fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
}
|
|
/* initialize a new scaler context */
|
|
sws_freeContext(ost->img_resample_ctx);
|
|
ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
|
|
enc->width, enc->height, enc->pix_fmt,
|
|
ost->sws_flags, NULL, NULL, NULL);
|
|
if (ost->img_resample_ctx == NULL) {
|
|
fprintf(stderr, "Cannot get resampling context\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
}
|
|
sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
|
|
0, ost->resample_height, final_picture->data, final_picture->linesize);
|
|
}
|
|
#endif
|
|
|
|
/* 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);
|
|
pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= AV_PKT_FLAG_KEY;
|
|
|
|
write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
|
|
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 (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
|
|
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 */
|
|
big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
|
|
if(!me_threshold)
|
|
big_picture.pict_type = 0;
|
|
// big_picture.pts = AV_NOPTS_VALUE;
|
|
big_picture.pts= ost->sync_opts;
|
|
// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
|
|
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
|
|
if (ost->forced_kf_index < ost->forced_kf_count &&
|
|
big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
|
|
big_picture.pict_type = AV_PICTURE_TYPE_I;
|
|
ost->forced_kf_index++;
|
|
}
|
|
ret = avcodec_encode_video(enc,
|
|
bit_buffer, bit_buffer_size,
|
|
&big_picture);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Video encoding failed\n");
|
|
ffmpeg_exit(1);
|
|
}
|
|
|
|
if(ret>0){
|
|
pkt.data= bit_buffer;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
|
|
pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
|
|
pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
|
|
|
|
if(enc->coded_frame->key_frame)
|
|
pkt.flags |= AV_PKT_FLAG_KEY;
|
|
write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
|
|
*frame_size = ret;
|
|
video_size += ret;
|
|
//fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
|
|
// enc->frame_number-1, 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++;
|
|
}
|
|
}
|
|
|
|
static double psnr(double d){
|
|
return -10.0*log(d)/log(10.0);
|
|
}
|
|
|
|
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
|
|
int frame_size)
|
|
{
|
|
AVCodecContext *enc;
|
|
int frame_number;
|
|
double ti1, bitrate, avg_bitrate;
|
|
|
|
/* this is executed just the first time do_video_stats is called */
|
|
if (!vstats_file) {
|
|
vstats_file = fopen(vstats_filename, "w");
|
|
if (!vstats_file) {
|
|
perror("fopen");
|
|
ffmpeg_exit(1);
|
|
}
|
|
}
|
|
|
|
enc = ost->st->codec;
|
|
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
frame_number = ost->frame_number;
|
|
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
|
|
if (enc->flags&CODEC_FLAG_PSNR)
|
|
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
|
|
|
|
fprintf(vstats_file,"f_size= %6d ", frame_size);
|
|
/* compute pts value */
|
|
ti1 = ost->sync_opts * av_q2d(enc->time_base);
|
|
if (ti1 < 0.01)
|
|
ti1 = 0.01;
|
|
|
|
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
|
|
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
|
|
fprintf(vstats_file, "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(vstats_file, "type= %c\n", av_get_picture_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;
|
|
int64_t total_size;
|
|
AVCodecContext *enc;
|
|
int frame_number, vid, i;
|
|
double bitrate;
|
|
int64_t pts = INT64_MAX;
|
|
static int64_t last_time = -1;
|
|
static int qp_histogram[52];
|
|
|
|
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 = avio_size(oc->pb);
|
|
if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
|
|
total_size= avio_tell(oc->pb);
|
|
|
|
buf[0] = '\0';
|
|
vid = 0;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
float q = -1;
|
|
ost = ost_table[i];
|
|
enc = ost->st->codec;
|
|
if (!ost->st->stream_copy && enc->coded_frame)
|
|
q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
|
|
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
|
|
}
|
|
if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
float t = (av_gettime()-timer_start) / 1000000.0;
|
|
|
|
frame_number = ost->frame_number;
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
|
|
frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
|
|
if(is_last_report)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
|
|
if(qp_hist){
|
|
int j;
|
|
int qp = lrintf(q);
|
|
if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
|
|
qp_histogram[qp]++;
|
|
for(j=0; j<32; j++)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
|
|
}
|
|
if (enc->flags&CODEC_FLAG_PSNR){
|
|
int j;
|
|
double error, error_sum=0;
|
|
double scale, scale_sum=0;
|
|
char type[3]= {'Y','U','V'};
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
|
|
for(j=0; j<3; j++){
|
|
if(is_last_report){
|
|
error= enc->error[j];
|
|
scale= enc->width*enc->height*255.0*255.0*frame_number;
|
|
}else{
|
|
error= enc->coded_frame->error[j];
|
|
scale= enc->width*enc->height*255.0*255.0;
|
|
}
|
|
if(j) scale/=4;
|
|
error_sum += error;
|
|
scale_sum += scale;
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
|
|
}
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
|
|
}
|
|
vid = 1;
|
|
}
|
|
/* compute min output value */
|
|
pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
|
|
ost->st->time_base, AV_TIME_BASE_Q));
|
|
}
|
|
|
|
if (verbose > 0 || is_last_report) {
|
|
int hours, mins, secs, us;
|
|
secs = pts / AV_TIME_BASE;
|
|
us = pts % AV_TIME_BASE;
|
|
mins = secs / 60;
|
|
secs %= 60;
|
|
hours = mins / 60;
|
|
mins %= 60;
|
|
|
|
bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
|
|
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
"size=%8.0fkB time=", total_size / 1024.0);
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
"%02d:%02d:%02d.%02d ", hours, mins, secs,
|
|
(100 * us) / AV_TIME_BASE);
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
"bitrate=%6.1fkbits/s", bitrate);
|
|
|
|
if (nb_frames_dup || nb_frames_drop)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
|
|
nb_frames_dup, nb_frames_drop);
|
|
|
|
if (verbose >= 0)
|
|
fprintf(stderr, "%s \r", buf);
|
|
|
|
fflush(stderr);
|
|
}
|
|
|
|
if (is_last_report && verbose >= 0){
|
|
int64_t raw= audio_size + video_size + extra_size;
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
|
|
video_size/1024.0,
|
|
audio_size/1024.0,
|
|
extra_size/1024.0,
|
|
100.0*(total_size - raw)/raw
|
|
);
|
|
}
|
|
}
|
|
|
|
static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
|
|
{
|
|
int fill_char = 0x00;
|
|
if (sample_fmt == AV_SAMPLE_FMT_U8)
|
|
fill_char = 0x80;
|
|
memset(buf, fill_char, size);
|
|
}
|
|
|
|
/* pkt = NULL means EOF (needed to flush decoder buffers) */
|
|
static int output_packet(AVInputStream *ist, int ist_index,
|
|
AVOutputStream **ost_table, int nb_ostreams,
|
|
const AVPacket *pkt)
|
|
{
|
|
AVFormatContext *os;
|
|
AVOutputStream *ost;
|
|
int ret, i;
|
|
int got_output;
|
|
AVFrame picture;
|
|
void *buffer_to_free = NULL;
|
|
static unsigned int samples_size= 0;
|
|
AVSubtitle subtitle, *subtitle_to_free;
|
|
int64_t pkt_pts = AV_NOPTS_VALUE;
|
|
#if CONFIG_AVFILTER
|
|
int frame_available;
|
|
#endif
|
|
|
|
AVPacket avpkt;
|
|
int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
|
|
|
|
if(ist->next_pts == AV_NOPTS_VALUE)
|
|
ist->next_pts= ist->pts;
|
|
|
|
if (pkt == NULL) {
|
|
/* EOF handling */
|
|
av_init_packet(&avpkt);
|
|
avpkt.data = NULL;
|
|
avpkt.size = 0;
|
|
goto handle_eof;
|
|
} else {
|
|
avpkt = *pkt;
|
|
}
|
|
|
|
if(pkt->dts != AV_NOPTS_VALUE)
|
|
ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
|
|
if(pkt->pts != AV_NOPTS_VALUE)
|
|
pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
|
|
|
|
//while we have more to decode or while the decoder did output something on EOF
|
|
while (avpkt.size > 0 || (!pkt && got_output)) {
|
|
uint8_t *data_buf, *decoded_data_buf;
|
|
int data_size, decoded_data_size;
|
|
handle_eof:
|
|
ist->pts= ist->next_pts;
|
|
|
|
if(avpkt |