HWACCEL_NONE = 0,
HWACCEL_AUTO,
HWACCEL_VDPAU,
+ HWACCEL_DXVA2,
+ HWACCEL_VDA,
+ HWACCEL_QSV,
+ HWACCEL_VAAPI,
};
typedef struct HWAccel {
/* input options */
int64_t input_ts_offset;
+ int loop;
int rate_emu;
int accurate_seek;
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_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 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 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;
+ int autorotate;
/* decoded data from this stream goes into all those filters
* currently video and audio only */
/* hwaccel options */
enum HWAccelID hwaccel_id;
char *hwaccel_device;
+ enum AVPixelFormat hwaccel_output_format;
/* hwaccel context */
enum HWAccelID active_hwaccel_id;
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;
int64_t first_pts;
/* dts of the last packet sent to the muxer */
int64_t last_mux_dts;
- AVBitStreamFilterContext *bitstream_filters;
+ // the timebase of the packets sent to the muxer
+ AVRational mux_timebase;
+
+ int nb_bitstream_filters;
+ const AVBitStreamFilter **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 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