#include "libavcodec/avcodec.h"
#include "libavfilter/avfilter.h"
-#include "libavfilter/avfiltergraph.h"
#include "libavutil/avutil.h"
#include "libavutil/dict.h"
#define VSYNC_CFR 1
#define VSYNC_VFR 2
+enum HWAccelID {
+ HWACCEL_NONE = 0,
+ HWACCEL_AUTO,
+ HWACCEL_VDPAU,
+ HWACCEL_DXVA2,
+ HWACCEL_VDA,
+ HWACCEL_QSV,
+ HWACCEL_VAAPI,
+};
+
+typedef struct HWAccel {
+ const char *name;
+ int (*init)(AVCodecContext *s);
+ enum HWAccelID id;
+ enum AVPixelFormat pix_fmt;
+} HWAccel;
+
/* select an input stream for an output stream */
typedef struct StreamMap {
- int disabled; /** 1 is this mapping is disabled by a negative map */
+ int disabled; /* 1 is this mapping is disabled by a negative map */
int file_index;
int stream_index;
int sync_file_index;
int sync_stream_index;
- char *linklabel; /** name of an output link, for mapping lavfi outputs */
+ char *linklabel; /* name of an output link, for mapping lavfi outputs */
} StreamMap;
-/**
- * select an input file for an output file
- */
+/* select an input file for an output file */
typedef struct MetadataMap {
- int file; ///< file index
- char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
- int index; ///< stream/chapter/program number
+ int file; // file index
+ char type; // type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
+ int index; // stream/chapter/program number
} MetadataMap;
typedef struct OptionsContext {
+ OptionGroup *g;
+
/* input/output options */
int64_t start_time;
const char *format;
/* input options */
int64_t input_ts_offset;
+ int loop;
int rate_emu;
+ int accurate_seek;
SpecifierOpt *ts_scale;
int nb_ts_scale;
SpecifierOpt *dump_attachment;
int nb_dump_attachment;
+ SpecifierOpt *hwaccels;
+ int nb_hwaccels;
+ SpecifierOpt *hwaccel_devices;
+ int nb_hwaccel_devices;
+ SpecifierOpt *hwaccel_output_formats;
+ int nb_hwaccel_output_formats;
+ SpecifierOpt *autorotate;
+ int nb_autorotate;
/* output options */
StreamMap *stream_maps;
int nb_copy_initial_nonkeyframes;
SpecifierOpt *filters;
int nb_filters;
+ SpecifierOpt *filter_scripts;
+ int nb_filter_scripts;
SpecifierOpt *pass;
int nb_pass;
SpecifierOpt *passlogfiles;
int nb_passlogfiles;
+ SpecifierOpt *max_muxing_queue_size;
+ int nb_max_muxing_queue_size;
} OptionsContext;
typedef struct InputFilter {
struct InputStream *ist;
struct FilterGraph *graph;
uint8_t *name;
+
+ AVFifoBuffer *frame_queue;
+
+ // parameters configured for this input
+ int format;
+
+ int width, height;
+ AVRational sample_aspect_ratio;
+
+ int sample_rate;
+ uint64_t channel_layout;
+
+ AVBufferRef *hw_frames_ctx;
+
+ int eof;
} InputFilter;
typedef struct OutputFilter {
/* temporary storage until stream maps are processed */
AVFilterInOut *out_tmp;
+ enum AVMediaType type;
+
+ /* desired output stream properties */
+ int width, height;
+ AVRational frame_rate;
+ int format;
+ int sample_rate;
+ uint64_t channel_layout;
+
+ // those are only set if no format is specified and the encoder gives us multiple options
+ int *formats;
+ uint64_t *channel_layouts;
+ int *sample_rates;
} OutputFilter;
typedef struct FilterGraph {
AVStream *st;
int discard; /* true if stream data should be discarded */
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
+ AVCodecContext *dec_ctx;
AVCodec *dec;
AVFrame *decoded_frame;
+ AVFrame *filter_frame; /* a ref of decoded_frame, to be sent to filters */
int64_t start; /* time when read started */
/* predicted dts of the next packet read for this stream or (when there are
int64_t next_dts;
/* dts of the last packet read for this stream */
int64_t last_dts;
+ int64_t min_pts; /* pts with the smallest value in a current stream */
+ int64_t max_pts; /* pts with the higher value in a current stream */
+
+ // when forcing constant input framerate through -r,
+ // this contains the pts that will be given to the next decoded frame
+ int64_t cfr_next_pts;
+
+ int64_t nb_samples; /* number of samples in the last decoded audio frame before looping */
PtsCorrectionContext pts_ctx;
double ts_scale;
- int is_start; /* is 1 at the start and after a discontinuity */
- int showed_multi_packet_warning;
- AVDictionary *opts;
+ AVDictionary *decoder_opts;
AVRational framerate; /* framerate forced with -r */
- int resample_height;
- int resample_width;
- int resample_pix_fmt;
-
- int resample_sample_fmt;
- int resample_sample_rate;
- int resample_channels;
- uint64_t resample_channel_layout;
-
- /* a pool of free buffers for decoded data */
- FrameBuffer *buffer_pool;
+ int autorotate;
/* decoded data from this stream goes into all those filters
* currently video and audio only */
InputFilter **filters;
int nb_filters;
+
+ /* hwaccel options */
+ enum HWAccelID hwaccel_id;
+ char *hwaccel_device;
+ enum AVPixelFormat hwaccel_output_format;
+
+ /* hwaccel context */
+ enum HWAccelID active_hwaccel_id;
+ void *hwaccel_ctx;
+ void (*hwaccel_uninit)(AVCodecContext *s);
+ int (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
+ int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
+ enum AVPixelFormat hwaccel_pix_fmt;
+ enum AVPixelFormat hwaccel_retrieved_pix_fmt;
+ AVBufferRef *hw_frames_ctx;
+
+ /* stats */
+ // combined size of all the packets read
+ uint64_t data_size;
+ /* number of packets successfully read for this stream */
+ uint64_t nb_packets;
+ // number of frames/samples retrieved from the decoder
+ uint64_t frames_decoded;
+ uint64_t samples_decoded;
} InputStream;
typedef struct InputFile {
int eof_reached; /* true if eof reached */
int eagain; /* true if last read attempt returned EAGAIN */
int ist_index; /* index of first stream in ist_table */
+ int loop; /* set number of times input stream should be looped */
+ int64_t duration; /* actual duration of the longest stream in a file
+ at the moment when looping happens */
+ AVRational time_base; /* time base of the duration */
int64_t ts_offset;
+ int64_t start_time; /* user-specified start time in AV_TIME_BASE or AV_NOPTS_VALUE */
+ int64_t recording_time;
int nb_streams; /* number of stream that avconv is aware of; may be different
from ctx.nb_streams if new streams appear during av_read_frame() */
int rate_emu;
+ int accurate_seek;
#if HAVE_PTHREADS
pthread_t thread; /* thread reading from this file */
/* pts of the first frame encoded for this stream, used for limiting
* recording time */
int64_t first_pts;
- AVBitStreamFilterContext *bitstream_filters;
+ /* dts of the last packet sent to the muxer */
+ int64_t last_mux_dts;
+ // the timebase of the packets sent to the muxer
+ AVRational mux_timebase;
+
+ int nb_bitstream_filters;
+ AVBSFContext **bsf_ctx;
+
+ AVCodecContext *enc_ctx;
AVCodec *enc;
int64_t max_frames;
AVFrame *filtered_frame;
+ void *hwaccel_ctx;
+
/* video only */
AVRational frame_rate;
int force_fps;
char *avfilter;
int64_t sws_flags;
- AVDictionary *opts;
+ AVDictionary *encoder_opts;
+ AVDictionary *resample_opts;
int finished; /* no more packets should be written for this stream */
int stream_copy;
+
+ // init_output_stream() has been called for this stream
+ // The encoder and the bistream filters have been initialized and the stream
+ // parameters are set in the AVStream.
+ int initialized;
+
const char *attachment_filename;
int copy_initial_nonkeyframes;
enum AVPixelFormat pix_fmts[2];
+
+ AVCodecParserContext *parser;
+ AVCodecContext *parser_avctx;
+
+ /* stats */
+ // combined size of all the packets written
+ uint64_t data_size;
+ // number of packets send to the muxer
+ uint64_t packets_written;
+ // number of frames/samples sent to the encoder
+ uint64_t frames_encoded;
+ uint64_t samples_encoded;
+
+ /* packet quality factor */
+ int quality;
+
+ int max_muxing_queue_size;
+
+ /* the packets are buffered here until the muxer is ready to be initialized */
+ AVFifoBuffer *muxing_queue;
} OutputStream;
typedef struct OutputFile {
uint64_t limit_filesize;
int shortest;
+
+ int header_written;
} OutputFile;
extern InputStream **input_streams;
extern const OptionDef options[];
+extern const HWAccel hwaccels[];
+extern int hwaccel_lax_profile_check;
+extern AVBufferRef *hw_device_ctx;
+
void reset_options(OptionsContext *o);
void show_usage(void);
-int opt_cpuflags(void *optctx, const char *opt, const char *arg);
-
void opt_output_file(void *optctx, const char *filename);
void assert_avoptions(AVDictionary *m);
int configure_filtergraph(FilterGraph *fg);
int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out);
int ist_in_filtergraph(FilterGraph *fg, InputStream *ist);
-FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost);
+int filtergraph_is_simple(FilterGraph *fg);
+int init_simple_filtergraph(InputStream *ist, OutputStream *ost);
+int init_complex_filtergraph(FilterGraph *fg);
+
+int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame);
+
+int avconv_parse_options(int argc, char **argv);
+
+int vdpau_init(AVCodecContext *s);
+int dxva2_init(AVCodecContext *s);
+int vda_init(AVCodecContext *s);
+int qsv_init(AVCodecContext *s);
+int qsv_transcode_init(OutputStream *ost);
+int vaapi_decode_init(AVCodecContext *avctx);
+int vaapi_device_init(const char *device);
#endif /* AVCONV_H */
projects / ffmpeg / blobdiff