365 lines
9.4 KiB
Objective-C
365 lines
9.4 KiB
Objective-C
//
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// MGMFFmpeg.h
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// VoiceBase
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//
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// Created by Mr. Gecko on 2/25/11.
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// MGMFFmpeg is a port of ffmpeg.c to Objective-C by Mr. Gecko's Media
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// (James Coleman) FFmpeg can be found at http://ffmpeg.org/
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// FFmpeg Copyright (c) 2000-2003 Fabrice Bellard
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//
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// MGMFFmpeg 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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// MGMFFmpeg 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 MGMFFmpeg; 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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#if MGMSIPENABLED
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#import <Foundation/Foundation.h>
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#import <libavcodec/avcodec.h>
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#import <libavformat/avformat.h>
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#import <libavdevice/avdevice.h>
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#import <libswscale/swscale.h>
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#import <libavcodec/opt.h>
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#import <libavcodec/audioconvert.h>
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#import <libavcodec/colorspace.h>
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#import <libavutil/fifo.h>
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#import <libavutil/pixdesc.h>
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#import <libavutil/avstring.h>
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#import <ffconfig.h>
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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_CONIO_H
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#include <conio.h>
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#endif
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#include <time.h>
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@protocol MGMFFmpegDelegate <NSObject>
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- (void)receivedError:(NSError *)theError;
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- (void)updateStatus:(double)thePercentDone estimatedTime:(double)theEstimatedTime currentFrame:(int)theFrame fps:(int)theFPS quality:(double)theQuality size:(int64_t)theSize bitrate:(double)theBitrate time:(double)theTime video:(BOOL)isVideo;
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- (void)conversionFinished;
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@end
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typedef struct {
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const char *name;
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int flags;
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#define HAS_ARG 0x0001
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#define OPT_BOOL 0x0002
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#define OPT_EXPERT 0x0004
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#define OPT_STRING 0x0008
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#define OPT_VIDEO 0x0010
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#define OPT_AUDIO 0x0020
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#define OPT_GRAB 0x0040
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#define OPT_INT 0x0080
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#define OPT_FLOAT 0x0100
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#define OPT_SUBTITLE 0x0200
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#define OPT_FUNC2 0x0400
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#define OPT_INT64 0x0800
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#define OPT_EXIT 0x1000
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union {
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SEL func_arg;
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int *int_arg;
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char **str_arg;
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float *float_arg;
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int64_t *int64_arg;
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} u;
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const char *help;
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const char *argname;
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} OptionDef;
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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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typedef struct AVMetaDataMap {
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int out_file;
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int in_file;
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} AVMetaDataMap;
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#define MAX_FILES 100
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#define QSCALE_NONE -99999
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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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/* video only */
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int video_resample;
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AVFrame pict_tmp; /* temporary image for 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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/* full frame size of first frame */
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int original_height;
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int original_width;
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/* cropping area sizes */
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int video_crop;
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int topBand;
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int bottomBand;
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int leftBand;
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int rightBand;
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/* cropping area of first frame */
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int original_topBand;
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int original_bottomBand;
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int original_leftBand;
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int original_rightBand;
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/* padding area sizes */
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int video_pad;
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int padtop;
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int padbottom;
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int padleft;
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int padright;
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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 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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} AVOutputStream;
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typedef struct AVInputStream {
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int file_index;
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int 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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} AVInputStream;
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typedef struct AVInputFile {
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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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int nb_streams; /* nb streams we are aware of */
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} AVInputFile;
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@interface MGMFFmpeg : NSObject <NSApplicationDelegate> {
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id<MGMFFmpegDelegate> delegate;
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char **opt_names;
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int opt_name_count;
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AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
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AVFormatContext *avformat_opts;
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struct SwsContext *sws_opts;
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char *last_asked_format;
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AVFormatContext *input_files[MAX_FILES];
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int64_t input_files_ts_offset[MAX_FILES];
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double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
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AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
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int nb_input_files;
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int nb_icodecs;
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AVFormatContext *output_files[MAX_FILES];
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AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
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int nb_output_files;
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int nb_ocodecs;
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AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
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int nb_stream_maps;
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AVMetaDataMap meta_data_maps[MAX_FILES];
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int nb_meta_data_maps;
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int frame_width;
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int frame_height;
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float frame_aspect_ratio;
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enum PixelFormat frame_pix_fmt;
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enum SampleFormat audio_sample_fmt;
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int frame_padtop;
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int frame_padbottom;
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int frame_padleft;
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int frame_padright;
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int padcolor[3]; /* default to black */
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int frame_topBand;
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int frame_bottomBand;
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int frame_leftBand;
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int frame_rightBand;
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int max_frames[4];
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AVRational frame_rate;
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float video_qscale;
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uint16_t *intra_matrix;
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uint16_t *inter_matrix;
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char *video_rc_override_string;
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int video_disable;
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int video_discard;
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char *video_codec_name;
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int video_codec_tag;
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char *video_language;
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int same_quality;
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int do_deinterlace;
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int top_field_first;
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int me_threshold;
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int intra_dc_precision;
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int loop_input;
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int loop_output;
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int qp_hist;
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int intra_only;
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int audio_sample_rate;
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int64_t channel_layout;
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float audio_qscale;
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int audio_disable;
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int audio_channels;
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char *audio_codec_name;
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int audio_codec_tag;
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char *audio_language;
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int subtitle_disable;
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char *subtitle_codec_name;
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char *subtitle_language;
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int subtitle_codec_tag;
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float mux_preload;
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float mux_max_delay;
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int64_t recording_time;
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int64_t start_time;
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int64_t rec_timestamp;
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int64_t input_ts_offset;
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int metadata_count;
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AVMetadataTag *metadata;
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int do_benchmark;
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int do_hex_dump;
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int do_pkt_dump;
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int do_psnr;
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int do_pass;
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char *pass_logfilename_prefix;
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int audio_stream_copy;
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int video_stream_copy;
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int subtitle_stream_copy;
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int video_sync_method;
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int audio_sync_method;
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float audio_drift_threshold;
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int copy_ts;
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int opt_shortest;
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int video_global_header;
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char *vstats_filename;
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FILE *vstats_file;
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int opt_programid;
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int copy_initial_nonkeyframes;
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int rate_emu;
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int video_channel;
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char *video_standard;
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int audio_volume;
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int exit_on_error;
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int verbose;
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int thread_count;
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int64_t video_size;
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int64_t audio_size;
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int64_t extra_size;
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int nb_frames_dup;
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int nb_frames_drop;
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int input_sync;
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uint64_t limit_filesize;
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int force_fps;
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int pgmyuv_compatibility_hack;
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float dts_delta_threshold;
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unsigned int sws_flags;
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int64_t timer_start;
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uint8_t *audio_buf;
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uint8_t *audio_out;
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int allocated_audio_out_size, allocated_audio_buf_size;
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short *samples;
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unsigned int samples_size;
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AVBitStreamFilterContext *video_bitstream_filters;
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AVBitStreamFilterContext *audio_bitstream_filters;
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AVBitStreamFilterContext *subtitle_bitstream_filters;
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AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
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#if HAVE_TERMIOS_H
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/* init terminal so that we can grab keys */
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struct termios oldtty;
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#endif
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int bit_buffer_size;
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uint8_t *bit_buffer;
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int64_t last_time;
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int qp_histogram[52];
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uint8_t *subtitle_out;
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uint8_t *input_tmp;
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double previousTime;
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BOOL stopConverting;
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BOOL stoppedByQuit;
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BOOL isConverting;
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OptionDef options[102];
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}
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+ (id)FFmpeg;
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+ (id)FFmpegWithDelegate:(id)theDelegate;
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- (id)initWithDelegate:(id)theDelegate;
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- (void)setDelegate:(id)theDelegate;
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- (id<MGMFFmpegDelegate>)delegate;
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- (BOOL)isConverting;
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- (void)stopConverting;
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- (void)setOptions:(NSArray *)theOptions;
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- (void)setOutputFile:(NSString *)theFile;
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- (void)setOutputHandle:(NSFileHandle *)theHandle;
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- (void)setInputFile:(NSString *)theFile;
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- (void)setInputHandle:(NSFileHandle *)theHandle;
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- (void)startConverting;
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@end
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#endif |