27 #ifndef GAVL_H_INCLUDED
28 #define GAVL_H_INCLUDED
32 #include <gavl/gavldefs.h>
33 #include <gavl/gavltime.h>
39 #include <gavl/timecode.h>
82 void * client_data,
int thread);
130 #define GAVL_QUALITY_FASTEST 1
138 #define GAVL_QUALITY_BEST 5
146 #define GAVL_QUALITY_DEFAULT 2
159 #define GAVL_ACCEL_MMX (1<<0)
160 #define GAVL_ACCEL_MMXEXT (1<<1)
161 #define GAVL_ACCEL_SSE (1<<2)
162 #define GAVL_ACCEL_SSE2 (1<<3)
163 #define GAVL_ACCEL_SSE3 (1<<4)
164 #define GAVL_ACCEL_3DNOW (1<<5)
165 #define GAVL_ACCEL_3DNOWEXT (1<<6)
166 #define GAVL_ACCEL_SSSE3 (1<<7)
196 #define GAVL_MAX_CHANNELS 128
691 #define GAVL_AUDIO_FRONT_TO_REAR_COPY (1<<0)
696 #define GAVL_AUDIO_FRONT_TO_REAR_MUTE (1<<1)
701 #define GAVL_AUDIO_FRONT_TO_REAR_DIFF (1<<2)
706 #define GAVL_AUDIO_FRONT_TO_REAR_MASK \
707 (GAVL_AUDIO_FRONT_TO_REAR_COPY | \
708 GAVL_AUDIO_FRONT_TO_REAR_MUTE | \
709 GAVL_AUDIO_FRONT_TO_REAR_DIFF)
715 #define GAVL_AUDIO_STEREO_TO_MONO_LEFT (1<<3)
718 #define GAVL_AUDIO_STEREO_TO_MONO_RIGHT (1<<4)
721 #define GAVL_AUDIO_STEREO_TO_MONO_MIX (1<<5)
725 #define GAVL_AUDIO_STEREO_TO_MONO_MASK \
726 (GAVL_AUDIO_STEREO_TO_MONO_LEFT | \
727 GAVL_AUDIO_STEREO_TO_MONO_RIGHT | \
728 GAVL_AUDIO_STEREO_TO_MONO_MIX)
733 #define GAVL_AUDIO_NORMALIZE_MIX_MATRIX (1<<6)
742 GAVL_AUDIO_DITHER_NONE = 0,
743 GAVL_AUDIO_DITHER_AUTO = 1,
744 GAVL_AUDIO_DITHER_RECT = 2,
745 GAVL_AUDIO_DITHER_TRI = 3,
746 GAVL_AUDIO_DITHER_SHAPED = 4,
871 const double ** matrix);
1236 double * min,
double * max,
1253 double * min,
double * max,
1273 #define GAVL_MAX_PLANES 4
1576 float zoom,
float squeeze);
1602 #define GAVL_PIXFMT_PLANAR (1<<8)
1607 #define GAVL_PIXFMT_RGB (1<<9)
1612 #define GAVL_PIXFMT_YUV (1<<10)
1617 #define GAVL_PIXFMT_YUVJ (1<<11)
1622 #define GAVL_PIXFMT_ALPHA (1<<12)
1627 #define GAVL_PIXFMT_GRAY (1<<13)
1767 #define GAVL_PIXELFORMAT_1D_8 GAVL_GRAY_8
1770 #define GAVL_PIXELFORMAT_2D_8 GAVL_GRAYA_16
1773 #define GAVL_PIXELFORMAT_3D_8 GAVL_RGB_24
1776 #define GAVL_PIXELFORMAT_4D_8 GAVL_RGBA_32
1780 #define GAVL_PIXELFORMAT_1D_16 GAVL_GRAY_16
1783 #define GAVL_PIXELFORMAT_2D_16 GAVL_GRAYA_32
1786 #define GAVL_PIXELFORMAT_3D_16 GAVL_RGB_48
1789 #define GAVL_PIXELFORMAT_4D_16 GAVL_RGBA_64
1793 #define GAVL_PIXELFORMAT_1D_FLOAT GAVL_GRAY_FLOAT
1796 #define GAVL_PIXELFORMAT_2D_FLOAT GAVL_GRAYA_FLOAT
1799 #define GAVL_PIXELFORMAT_3D_FLOAT GAVL_RGB_FLOAT
1802 #define GAVL_PIXELFORMAT_4D_FLOAT GAVL_RGBA_FLOAT
1831 #define gavl_pixelformat_is_gray(fmt) ((fmt) & GAVL_PIXFMT_GRAY)
1840 #define gavl_pixelformat_is_rgb(fmt) ((fmt) & GAVL_PIXFMT_RGB)
1848 #define gavl_pixelformat_is_yuv(fmt) ((fmt) & GAVL_PIXFMT_YUV)
1856 #define gavl_pixelformat_is_jpeg_scaled(fmt) ((fmt) & GAVL_PIXFMT_YUVJ)
1864 #define gavl_pixelformat_has_alpha(fmt) ((fmt) & GAVL_PIXFMT_ALPHA)
1872 #define gavl_pixelformat_is_planar(fmt) ((fmt) & GAVL_PIXFMT_PLANAR)
2123 float * off_x,
float * off_y);
2298 const float * color);
2529 const char * namebase);
2625 #define GAVL_FORCE_DEINTERLACE (1<<0)
2631 #define GAVL_CONVOLVE_CHROMA (1<<1)
2637 #define GAVL_CONVOLVE_NORMALIZE (1<<2)
2646 #define GAVL_RESAMPLE_CHROMA (1<<3)
2828 int conversion_flags);
2907 const float * color);
3048 void * client_data);
3061 void ** client_data);
3075 void * client_data);
3088 void ** client_data);
3313 int h_radius,
const float * h_coeffs,
3314 int v_radius,
const float * v_coeffs);
3764 int64_t frame,
int * duration);
3779 int64_t * start_time);
3794 int64_t * start_time,
3825 int64_t * start_time,
3870 const char * filename);
uint16_t * u_16
Definition: gavl.h:467
struct gavl_volume_control_s gavl_volume_control_t
Opaque structure for a volume control.
Definition: gavl.h:1113
GAVL_PUBLIC void gavl_video_frame_copy_flip_x(const gavl_video_format_t *format, gavl_video_frame_t *dst, const gavl_video_frame_t *src)
Copy one video frame to another with horizontal flipping.
Generic container for audio samples.
Definition: gavl.h:514
GAVL_PUBLIC void gavl_video_deinterlacer_destroy(gavl_video_deinterlacer_t *deinterlacer)
Destroy a video deinterlacer.
gavl_timecode_t tc
Timecode associated with this timestamp.
Definition: gavl.h:3667
GAVL_PUBLIC void gavl_peak_detector_get_peaks(gavl_peak_detector_t *pd, double *min, double *max, double *abs)
Get the peak volume for all channels separate.
struct gavl_audio_options_s gavl_audio_options_t
Opaque container for audio conversion options.
Definition: gavl.h:769
GAVL_PUBLIC void gavl_video_frame_copy(const gavl_video_format_t *format, gavl_video_frame_t *dst, const gavl_video_frame_t *src)
Copy one video frame to another.
gavl_alpha_mode_t
Definition: gavl.h:2655
GAVL_PUBLIC void gavl_audio_frame_null(gavl_audio_frame_t *frame)
Zero all pointers in the audio frame.
void * user_data
Definition: gavl.h:2211
int dst_y
y offset in the destination frame. */
Definition: gavl.h:3439
int32_t * s_32
Definition: gavl.h:471
GAVL_PUBLIC void gavl_volume_control_set_volume(gavl_volume_control_t *ctrl, float volume)
Set volume for a volume control.
GAVL_PUBLIC int gavl_video_options_get_scale_order(gavl_video_options_t *opt)
Get the scale order for GAVL_SCALE_SINC_LANCZOS.
double h
Definition: gavl.h:1302
GAVL_PUBLIC gavl_audio_options_t * gavl_audio_options_create()
Create an options container.
GAVL_PUBLIC int gavl_rectangle_i_is_empty(const gavl_rectangle_i_t *r)
Check if an integer rectangle is empty.
GAVL_PUBLIC gavl_video_options_t * gavl_video_scaler_get_options(gavl_video_scaler_t *scaler)
gets options of a scaler
GAVL_PUBLIC void gavl_rectangle_i_crop_to_format(gavl_rectangle_i_t *r, const gavl_video_format_t *format)
Crop an integer rectangle so it fits into the image size of a video format.
GAVL_PUBLIC gavl_audio_frame_t * gavl_audio_frame_create(const gavl_audio_format_t *format)
Create audio frame.
GAVL_PUBLIC void gavl_rectangle_crop_to_format_noscale(gavl_rectangle_i_t *src_rect, gavl_rectangle_i_t *dst_rect, const gavl_video_format_t *src_format, const gavl_video_format_t *dst_format)
Set 2 rectangles as source and destination when no scaling is available.
GAVL_PUBLIC int64_t gavl_frame_table_timecode_to_time(const gavl_frame_table_t *t, gavl_timecode_t tc, const gavl_timecode_format_t *fmt)
Convert a timecode to a timestamp.
gavl_audio_samples_t samples
Definition: gavl.h:516
gavl_downscale_filter_t
Definition: gavl.h:2713
void(* gavl_video_run_func)(gavl_video_process_func func, void *gavl_data, int start, int end, void *client_data, int thread)
Run a piece of a calculation.
Definition: gavl.h:79
GAVL_PUBLIC void gavl_volume_control_destroy(gavl_volume_control_t *ctrl)
Destroys a volume control and frees all associated memory.
void(* gavl_video_process_func)(void *data, int start, int end)
Prototype of a process function.
Definition: gavl.h:64
GAVL_PUBLIC void gavl_video_options_set_scale_mode(gavl_video_options_t *opt, gavl_scale_mode_t scale_mode)
Set the scale mode.
gavl_scale_mode_t
Definition: gavl.h:2691
GAVL_PUBLIC void gavl_video_options_get_background_color(gavl_video_options_t *opt, float *color)
Get the background color for alpha blending.
GAVL_PUBLIC void gavl_audio_convert(gavl_audio_converter_t *cnv, const gavl_audio_frame_t *input_frame, gavl_audio_frame_t *output_frame)
Convert audio.
GAVL_PUBLIC void gavl_video_options_set_downscale_filter(gavl_video_options_t *opt, gavl_downscale_filter_t f)
Set antialiasing filter for downscaling.
GAVL_PUBLIC gavl_frame_table_t * gavl_frame_table_load(const char *filename)
Load a frame table from a file.
GAVL_PUBLIC gavl_video_options_t * gavl_overlay_blend_context_get_options(gavl_overlay_blend_context_t *ctx)
Get options from a blend context.
GAVL_PUBLIC int gavl_audio_options_get_quality(gavl_audio_options_t *opt)
Get the quality level for a converter.
GAVL_PUBLIC void gavl_video_frame_copy_plane(const gavl_video_format_t *format, gavl_video_frame_t *dst, const gavl_video_frame_t *src, int plane)
Copy a single plane from one video frame to another.
GAVL_PUBLIC void gavl_rectangle_i_crop_left(gavl_rectangle_i_t *r, int num_pixels)
Crop an integer rectangle by some pixels from the left border.
int w
Definition: gavl.h:1289
GAVL_PUBLIC void gavl_audio_options_set_conversion_flags(gavl_audio_options_t *opt, int flags)
Set the conversion flags.
GAVL_PUBLIC gavl_video_converter_t * gavl_video_converter_create()
Creates a video converter.
GAVL_PUBLIC int gavl_video_frame_ssim(const gavl_video_frame_t *src1, const gavl_video_frame_t *src2, gavl_video_frame_t *dst, const gavl_video_format_t *format)
Calculate the SSIM of 2 source frames.
GAVL_PUBLIC void gavl_rectangle_i_set_all(gavl_rectangle_i_t *r, const gavl_video_format_t *format)
Let an integer rectangle span the whole image size of a video format.
GAVL_PUBLIC gavl_video_run_func gavl_video_options_get_run_func(gavl_video_options_t *opt, void **client_data)
Get function to be passed to each thread.
GAVL_PUBLIC void gavl_rectangle_i_to_f(gavl_rectangle_f_t *dst, const gavl_rectangle_i_t *src)
Convert an integer rectangle to a floating point rectangle.
GAVL_PUBLIC void gavl_video_frame_get_field(gavl_pixelformat_t pixelformat, const gavl_video_frame_t *src, gavl_video_frame_t *dst, int field)
Get a field from a frame.
GAVL_PUBLIC int gavl_frame_table_save(const gavl_frame_table_t *tab, const char *filename)
Save a frame table to a file.
GAVL_PUBLIC void gavl_video_options_set_background_color(gavl_video_options_t *opt, const float *color)
Set the background color for alpha blending.
GAVL_PUBLIC void gavl_rectangle_i_align(gavl_rectangle_i_t *r, int h_align, int v_align)
Align a rectangle.
int64_t timestamp
Definition: gavl.h:519
int64_t entries_alloc
Number of allocated entries (never touch this)
Definition: gavl.h:3653
GAVL_PUBLIC void gavl_video_frame_clear(gavl_video_frame_t *frame, const gavl_video_format_t *format)
Fill the frame with black color.
GAVL_PUBLIC void gavl_video_frame_absdiff(gavl_video_frame_t *dst, const gavl_video_frame_t *src1, const gavl_video_frame_t *src2, const gavl_video_format_t *format)
Fill the frame with the absolute differene of 2 source frames.
int64_t duration
Duration of each of these frames.
Definition: gavl.h:3658
GAVL_PUBLIC void gavl_video_frame_set_strides(gavl_video_frame_t *frame, const gavl_video_format_t *format)
Set the strides according to the format.
GAVL_PUBLIC int gavl_video_options_get_quality(gavl_video_options_t *opt)
Get the quality level for the converter.
int64_t num_frames
Number of frames.
Definition: gavl.h:3657
struct gavl_video_options_s gavl_video_options_t
Definition: gavl.h:2727
GAVL_PUBLIC int gavl_video_scaler_init(gavl_video_scaler_t *scaler, const gavl_video_format_t *src_format, const gavl_video_format_t *dst_format)
Initialize a video scaler.
GAVL_PUBLIC void gavl_volume_control_set_format(gavl_volume_control_t *ctrl, const gavl_audio_format_t *format)
Set format for a volume control.
void(* gavl_video_stop_func)(void *client_data, int thread)
Wait until a piece of a calculation finished.
Definition: gavl.h:92
GAVL_PUBLIC void gavl_peak_detector_update(gavl_peak_detector_t *pd, gavl_audio_frame_t *frame)
Feed the peak detector with a new frame.
GAVL_PUBLIC void gavl_video_frame_copy_flip_y(const gavl_video_format_t *format, gavl_video_frame_t *dst, const gavl_video_frame_t *src)
Copy one video frame to another with vertical flipping.
GAVL_PUBLIC gavl_video_options_t * gavl_video_options_create()
Create an options container.
GAVL_PUBLIC gavl_video_options_t * gavl_video_converter_get_options(gavl_video_converter_t *cnv)
gets options of a video converter
int16_t * s_16
Definition: gavl.h:468
GAVL_PUBLIC void gavl_rectangle_f_dump(const gavl_rectangle_f_t *r)
Dump a floating point rectangle to stderr.
int64_t offset
Timestamp of the first frame.
Definition: gavl.h:3650
GAVL_PUBLIC gavl_peak_detector_t * gavl_peak_detector_create()
Create peak detector.
int valid_samples
Definition: gavl.h:518
double y
Definition: gavl.h:1300
GAVL_PUBLIC gavl_deinterlace_drop_mode_t gavl_video_options_get_deinterlace_drop_mode(gavl_video_options_t *opt)
Get the deinterlace drop mode.
gavl_audio_channels_t channels
Definition: gavl.h:517
GAVL_PUBLIC void gavl_video_scaler_scale(gavl_video_scaler_t *scaler, const gavl_video_frame_t *input_frame, gavl_video_frame_t *output_frame)
Scale video.
GAVL_PUBLIC void gavl_rectangle_f_crop_bottom(gavl_rectangle_f_t *r, double num_pixels)
Crop a float rectangle by some pixels from the bottom border.
GAVL_PUBLIC float gavl_video_options_get_downscale_blur(gavl_video_options_t *opt)
Get blur factor for downscaling.
GAVL_PUBLIC gavl_deinterlace_mode_t gavl_video_options_get_deinterlace_mode(gavl_video_options_t *opt)
Get the deinterlace mode.
GAVL_PUBLIC void gavl_rectangle_f_to_i(gavl_rectangle_i_t *dst, const gavl_rectangle_f_t *src)
Convert a floating point rectangle to an integer rectangle.
uint8_t * u_8
Definition: gavl.h:464
GAVL_PUBLIC void gavl_frame_table_append_entry(gavl_frame_table_t *t, int64_t duration)
Append an entry.
Container for noninterleaved audio samples.
Definition: gavl.h:482
GAVL_PUBLIC int gavl_video_scaler_init_convolve(gavl_video_scaler_t *scaler, const gavl_video_format_t *format, int h_radius, const float *h_coeffs, int v_radius, const float *v_coeffs)
Initialize a video scaler as a generic convolver.
GAVL_PUBLIC void gavl_overlay_blend_context_set_overlay(gavl_overlay_blend_context_t *ctx, gavl_overlay_t *ovl)
Set a new overlay.
GAVL_PUBLIC int gavl_audio_converter_reinit(gavl_audio_converter_t *cnv)
Reinitialize an audio converter.
GAVL_PUBLIC int64_t gavl_frame_table_time_to_frame(const gavl_frame_table_t *t, int64_t time, int64_t *start_time)
Convert a timestamp to a frame index.
GAVL_PUBLIC void gavl_video_options_set_defaults(gavl_video_options_t *opt)
Set all options to their defaults.
GAVL_PUBLIC int64_t gavl_frame_table_num_frames(const gavl_frame_table_t *t)
get the total number of frames
GAVL_PUBLIC void gavl_frame_table_destroy(gavl_frame_table_t *t)
Destroy a frame table and free all memory.
gavl_interlace_mode_t interlace_mode
Definition: gavl.h:2214
GAVL_PUBLIC void gavl_video_options_set_deinterlace_mode(gavl_video_options_t *opt, gavl_deinterlace_mode_t deinterlace_mode)
Set the deinterlace mode.
GAVL_PUBLIC int gavl_audio_converter_init(gavl_audio_converter_t *cnv, const gavl_audio_format_t *input_format, const gavl_audio_format_t *output_format)
Initialize an audio converter.
GAVL_PUBLIC void gavl_frame_table_dump(const gavl_frame_table_t *t)
Dump a frame table to stderr for debugging.
GAVL_PUBLIC void gavl_audio_frame_destroy(gavl_audio_frame_t *frame)
Destroy an audio frame.
GAVL_PUBLIC void gavl_video_frame_null(gavl_video_frame_t *frame)
Zero all pointers in the video frame.
struct gavl_video_converter_s gavl_video_converter_t
Opaque video converter structure.
Definition: gavl.h:3127
uint64_t gavl_timecode_t
Typedef for timecodes.
Definition: timecode.h:43
int64_t pts
Timestamp of this frame.
Definition: gavl.h:3666
GAVL_PUBLIC gavl_scale_mode_t gavl_video_options_get_scale_mode(gavl_video_options_t *opt)
Get the scale mode.
GAVL_PUBLIC void gavl_volume_control_apply(gavl_volume_control_t *ctrl, gavl_audio_frame_t *frame)
Apply a volume control for an audio frame.
GAVL_PUBLIC gavl_volume_control_t * gavl_volume_control_create()
Create volume control.
GAVL_PUBLIC void gavl_video_options_set_downscale_blur(gavl_video_options_t *opt, float f)
Set blur factor for downscaling.
double x
Definition: gavl.h:1299
GAVL_PUBLIC void gavl_audio_options_copy(gavl_audio_options_t *dst, const gavl_audio_options_t *src)
Copy audio options.
GAVL_PUBLIC gavl_frame_table_t * gavl_frame_table_create_cfr(int64_t offset, int64_t frame_duration, int64_t num_frames, gavl_timecode_t start_timecode)
Create a frame table for constant framerate video.
GAVL_PUBLIC void gavl_rectangle_i_crop_right(gavl_rectangle_i_t *r, int num_pixels)
Crop an integer rectangle by some pixels from the right border.
GAVL_PUBLIC void gavl_video_frame_copy_metadata(gavl_video_frame_t *dst, const gavl_video_frame_t *src)
Copy metadata of one video frame to another.
GAVL_PUBLIC void gavl_video_frame_copy_flip_xy(const gavl_video_format_t *format, gavl_video_frame_t *dst, const gavl_video_frame_t *src)
Copy one video frame to another with horizontal and vertical flipping.
GAVL_PUBLIC int gavl_video_frame_insert_channel(const gavl_video_format_t *format, gavl_color_channel_t ch, const gavl_video_frame_t *src, gavl_video_frame_t *dst)
Insert one channel from a grayscale image into a video frame.
int x
Definition: gavl.h:1287
GAVL_PUBLIC void gavl_video_converter_destroy(gavl_video_converter_t *cnv)
Destroys a video converter and frees all associated memory.
GAVL_PUBLIC void gavl_audio_frame_copy_ptrs(const gavl_audio_format_t *format, gavl_audio_frame_t *dst, const gavl_audio_frame_t *src)
Copy audio data from one frame to another.
Widen the filter curve according to the scaling ratio.
Definition: gavl.h:2717
float * f
Definition: gavl.h:473
GAVL_PUBLIC void gavl_audio_converter_destroy(gavl_audio_converter_t *cnv)
Destroys an audio converter and frees all associated memory.
GAVL_PUBLIC int gavl_rectangle_f_is_empty(const gavl_rectangle_f_t *r)
Check if a float rectangle is empty.
GAVL_PUBLIC void gavl_rectangle_i_copy(gavl_rectangle_i_t *dst, const gavl_rectangle_i_t *src)
Copy an integer rectangle.
GAVL_PUBLIC void gavl_rectangle_f_crop_top(gavl_rectangle_f_t *r, double num_pixels)
Crop a float rectangle by some pixels from the top border.
GAVL_PUBLIC void gavl_peak_detector_destroy(gavl_peak_detector_t *pd)
Destroys a peak detector and frees all associated memory.
GAVL_PUBLIC void gavl_audio_frame_get_subframe(const gavl_audio_format_t *format, gavl_audio_frame_t *src, gavl_audio_frame_t *dst, int start, int len)
Set an audio frame to a subframe of another frame.
GAVL_PUBLIC gavl_overlay_blend_context_t * gavl_overlay_blend_context_create()
Create a blend context.
GAVL_PUBLIC void gavl_video_scaler_destroy(gavl_video_scaler_t *scaler)
Destroy a video scaler.
GAVL_PUBLIC void gavl_rectangle_i_crop_bottom(gavl_rectangle_i_t *r, int num_pixels)
Crop an integer rectangle by some pixels from the bottom border.
gavl_audio_dither_mode_t
Dither mode.
Definition: gavl.h:740
GAVL_PUBLIC int gavl_video_options_get_conversion_flags(gavl_video_options_t *opt)
Get the conversion flags.
double * d
Definition: gavl.h:474
GAVL_PUBLIC int64_t gavl_frame_table_frame_to_time(const gavl_frame_table_t *t, int64_t frame, int *duration)
Convert a frame index to a timestamp.
GAVL_PUBLIC gavl_frame_table_t * gavl_frame_table_create()
Create a frame table.
Do a Gaussian preblur.
Definition: gavl.h:2718
GAVL_PUBLIC int gavl_video_frame_extract_channel(const gavl_video_format_t *format, gavl_color_channel_t ch, const gavl_video_frame_t *src, gavl_video_frame_t *dst)
Extract one channel of a video frame into a grayscale image.
GAVL_PUBLIC gavl_frame_table_t * gavl_frame_table_copy(const gavl_frame_table_t *tab)
Copy a frame table to another.
gavl_timecode_t timecode
Definition: gavl.h:2215
GAVL_PUBLIC int gavl_video_converter_reinit(gavl_video_converter_t *cnv)
Reinitialize a video converter.
GAVL_PUBLIC void gavl_rectangle_f_copy(gavl_rectangle_f_t *dst, const gavl_rectangle_f_t *src)
Copy a float rectangle.
Overlay structure.
Definition: gavl.h:3434
gavl_deinterlace_mode_t
Definition: gavl.h:2667
GAVL_PUBLIC void gavl_audio_options_set_quality(gavl_audio_options_t *opt, int quality)
Set the quality level for the converter.
GAVL_PUBLIC void gavl_rectangle_f_crop_to_format(gavl_rectangle_f_t *r, const gavl_video_format_t *format)
Crop a floating point rectangle so it fits into the image size of a video format. ...
GAVL_PUBLIC void gavl_rectangle_f_set_all(gavl_rectangle_f_t *r, const gavl_video_format_t *format)
Let a float rectangle span the whole image size of a video format.
GAVL_PUBLIC void gavl_video_frame_destroy(gavl_video_frame_t *frame)
Destroy a video frame.
GAVL_PUBLIC gavl_audio_options_t * gavl_audio_converter_get_options(gavl_audio_converter_t *cnv)
gets options of an audio converter
GAVL_PUBLIC void gavl_audio_options_destroy(gavl_audio_options_t *opt)
Destroy audio options.
gavl_video_frame_t * frame
Video frame in an alpha capable format */.
Definition: gavl.h:3436
GAVL_PUBLIC void gavl_overlay_blend(gavl_overlay_blend_context_t *ctx, gavl_video_frame_t *dst_frame)
Blend overlay onto video frame.
GAVL_PUBLIC int gavl_audio_converter_init_resample(gavl_audio_converter_t *cnv, const gavl_audio_format_t *format)
Initialize an audio converter just for resampling.
GAVL_PUBLIC int gavl_video_converter_init(gavl_video_converter_t *cnv, const gavl_video_format_t *input_format, const gavl_video_format_t *output_format)
Initialize a video converter.
struct gavl_video_deinterlacer_s gavl_video_deinterlacer_t
Opaque deinterlacer structure.
Definition: gavl.h:3343
GAVL_PUBLIC void gavl_video_frame_set_planes(gavl_video_frame_t *frame, const gavl_video_format_t *format, uint8_t *buffer)
Set the frames according to the format.
struct gavl_overlay_blend_context_s gavl_overlay_blend_context_t
Opaque blend context.
Definition: gavl.h:3448
GAVL_PUBLIC void gavl_video_frame_get_subframe(gavl_pixelformat_t pixelformat, const gavl_video_frame_t *src, gavl_video_frame_t *dst, gavl_rectangle_i_t *src_rect)
Get a subframe of another frame.
Container for interleaved audio samples.
Definition: gavl.h:462
GAVL_PUBLIC void gavl_overlay_blend_context_destroy(gavl_overlay_blend_context_t *ctx)
Destroy a blend context and free all associated memory.
int64_t duration
Definition: gavl.h:2213
GAVL_PUBLIC void gavl_video_frame_fill(gavl_video_frame_t *frame, const gavl_video_format_t *format, const float *color)
Fill the frame with a user spefified color.
GAVL_PUBLIC gavl_video_frame_t * gavl_video_frame_create_nopad(const gavl_video_format_t *format)
Create video frame without padding.
int h
Definition: gavl.h:1290
GAVL_PUBLIC gavl_video_scaler_t * gavl_video_scaler_create()
Create a video scaler.
GAVL_PUBLIC void gavl_rectangle_f_crop_right(gavl_rectangle_f_t *r, double num_pixels)
Crop a float rectangle by some pixels from the right border.
GAVL_PUBLIC void gavl_video_options_set_alpha_mode(gavl_video_options_t *opt, gavl_alpha_mode_t alpha_mode)
Set the alpha mode.
uint32_t * u_32
Definition: gavl.h:470
#define GAVL_MAX_PLANES
Definition: gavl.h:1273
gavl_resample_mode_t
Resample mode.
Definition: gavl.h:753
GAVL_PUBLIC void gavl_rectangle_f_crop_left(gavl_rectangle_f_t *r, double num_pixels)
Crop a float rectangle by some pixels from the left border.
GAVL_PUBLIC void gavl_video_deinterlacer_deinterlace(gavl_video_deinterlacer_t *deinterlacer, const gavl_video_frame_t *input_frame, gavl_video_frame_t *output_frame)
Deinterlace video.
int y
Definition: gavl.h:1288
GAVL_PUBLIC gavl_video_deinterlacer_t * gavl_video_deinterlacer_create()
Create a video deinterlacer.
GAVL_PUBLIC gavl_audio_dither_mode_t gavl_audio_options_get_dither_mode(gavl_audio_options_t *opt)
Get the dither mode for the converter.
GAVL_PUBLIC int gavl_audio_options_get_conversion_flags(gavl_audio_options_t *opt)
Get the conversion flags.
GAVL_PUBLIC void gavl_video_options_set_num_threads(gavl_video_options_t *opt, int n)
Set number of threads.
GAVL_PUBLIC int64_t gavl_frame_table_end_time(const gavl_frame_table_t *t)
get the end time of the last frame
GAVL_PUBLIC void gavl_audio_frame_mute_samples(gavl_audio_frame_t *frame, const gavl_audio_format_t *format, int num_samples)
Mute a number of samples at the start of an audio frame.
GAVL_PUBLIC void gavl_audio_options_set_defaults(gavl_audio_options_t *opt)
Set all options to their defaults.
GAVL_PUBLIC int gavl_video_options_get_num_threads(gavl_video_options_t *opt)
Set number of threads.
struct gavl_audio_converter_s gavl_audio_converter_t
Opaque audio converter structure.
Definition: gavl.h:951
GAVL_PUBLIC void gavl_video_options_set_run_func(gavl_video_options_t *opt, gavl_video_run_func func, void *client_data)
Set function to be passed to each thread.
GAVL_PUBLIC void gavl_video_options_set_rectangles(gavl_video_options_t *opt, const gavl_rectangle_f_t *src_rect, const gavl_rectangle_i_t *dst_rect)
Set source and destination rectangles.
int channel_stride
Definition: gavl.h:520
GAVL_PUBLIC void gavl_rectangle_crop_to_format_scale(gavl_rectangle_f_t *src_rect, gavl_rectangle_i_t *dst_rect, const gavl_video_format_t *src_format, const gavl_video_format_t *dst_format)
Crop 2 rectangles to their formats when scaling is available.
GAVL_PUBLIC void gavl_frame_table_append_timecode(gavl_frame_table_t *t, int64_t pts, gavl_timecode_t tc)
Append a timecodes.
GAVL_PUBLIC gavl_downscale_filter_t gavl_video_options_get_downscale_filter(gavl_video_options_t *opt)
Get the antialiasing filter for downscaling.
GAVL_PUBLIC void gavl_rectangle_i_crop_top(gavl_rectangle_i_t *r, int num_pixels)
Crop an integer rectangle by some pixels from the top border.
GAVL_PUBLIC gavl_audio_converter_t * gavl_audio_converter_create()
Creates an audio converter.
GAVL_PUBLIC gavl_video_options_t * gavl_video_deinterlacer_get_options(gavl_video_deinterlacer_t *deinterlacer)
gets options of a deinterlacer
GAVL_PUBLIC void gavl_video_convert(gavl_video_converter_t *cnv, const gavl_video_frame_t *input_frame, gavl_video_frame_t *output_frame)
Convert video.
GAVL_PUBLIC const double ** gavl_audio_options_get_mix_matrix(gavl_audio_options_t *opt)
Get the mix matrix.
GAVL_PUBLIC void gavl_video_options_get_rectangles(gavl_video_options_t *opt, gavl_rectangle_f_t *src_rect, gavl_rectangle_i_t *dst_rect)
Get source and destination rectangles.
frame table structure
Definition: gavl.h:3648
GAVL_PUBLIC void gavl_audio_frame_mute(gavl_audio_frame_t *frame, const gavl_audio_format_t *format)
Mute an audio frame.
GAVL_PUBLIC void gavl_audio_options_set_resample_mode(gavl_audio_options_t *opt, gavl_resample_mode_t mode)
Set the resample mode for the converter.
GAVL_PUBLIC void gavl_rectangle_fit_aspect(gavl_rectangle_i_t *dst_rect, const gavl_video_format_t *src_format, const gavl_rectangle_f_t *src_rect, const gavl_video_format_t *dst_format, float zoom, float squeeze)
Calculate a destination rectangle for scaling.
int64_t num_entries
Number of entries.
Definition: gavl.h:3652
GAVL_PUBLIC gavl_video_frame_t * gavl_video_frame_create(const gavl_video_format_t *format)
Create video frame.
GAVL_PUBLIC void gavl_video_frame_psnr(double *psnr, const gavl_video_frame_t *src1, const gavl_video_frame_t *src2, const gavl_video_format_t *format)
Calculate the PSNR of 2 source frames.
GAVL_PUBLIC void gavl_video_options_set_deinterlace_drop_mode(gavl_video_options_t *opt, gavl_deinterlace_drop_mode_t deinterlace_drop_mode)
Set the deinterlace drop mode.
GAVL_PUBLIC int gavl_accel_supported()
Get the supported acceleration flags.
GAVL_PUBLIC int gavl_video_deinterlacer_init(gavl_video_deinterlacer_t *deinterlacer, const gavl_video_format_t *src_format)
Initialize a video deinterlacer.
GAVL_PUBLIC void gavl_audio_options_set_dither_mode(gavl_audio_options_t *opt, gavl_audio_dither_mode_t mode)
Set the dither mode for the converter.
GAVL_PUBLIC int64_t gavl_frame_table_duration(const gavl_frame_table_t *t)
get the total duration of all frames
GAVL_PUBLIC int gavl_audio_frame_copy(const gavl_audio_format_t *format, gavl_audio_frame_t *dst, const gavl_audio_frame_t *src, int dst_pos, int src_pos, int dst_size, int src_size)
Copy audio data from one frame to another.
int timecodes_alloc
Number of allocated timecodes (never touch this)
Definition: gavl.h:3662
GAVL_PUBLIC int gavl_overlay_blend_context_init(gavl_overlay_blend_context_t *ctx, const gavl_video_format_t *frame_format, gavl_video_format_t *overlay_format)
Initialize the blend context.
Fastest method, might produce heavy aliasing artifacts.
Definition: gavl.h:2716
GAVL_PUBLIC void gavl_rectangle_i_align_to_format(gavl_rectangle_i_t *r, const gavl_video_format_t *format)
Align a rectangle to a format.
struct gavl_video_scaler_s gavl_video_scaler_t
Opaque scaler structure.
Definition: gavl.h:3243
gavl_deinterlace_drop_mode_t
Specifies which field to drop when deinterlacing.
Definition: gavl.h:2681
GAVL_PUBLIC void gavl_rectangle_i_dump(const gavl_rectangle_i_t *r)
Dump a rectangle to stderr.
GAVL_PUBLIC void gavl_audio_options_set_mix_matrix(gavl_audio_options_t *opt, const double **matrix)
Set a user defined mix matrix.
GAVL_PUBLIC void gavl_audio_frame_mute_channel(gavl_audio_frame_t *frame, const gavl_audio_format_t *format, int channel)
Mute a single channel of an audio frame.
gavl_rectangle_i_t ovl_rect
Rectangle in the source frame */.
Definition: gavl.h:3437
Auto selection based on quality.
Definition: gavl.h:2715
GAVL_PUBLIC gavl_timecode_t gavl_frame_table_time_to_timecode(const gavl_frame_table_t *t, int64_t time, int64_t *start_time, const gavl_timecode_format_t *fmt)
Convert a timestamp to a timecode.
GAVL_PUBLIC void gavl_video_options_copy(gavl_video_options_t *dst, const gavl_video_options_t *src)
Copy video options.
GAVL_PUBLIC void gavl_video_frame_dump(gavl_video_frame_t *frame, const gavl_video_format_t *format, const char *namebase)
Dump a video frame to files.
struct gavl_peak_detector_s gavl_peak_detector_t
Opaque structure for peak detector.
Definition: gavl.h:1179
GAVL_PUBLIC void gavl_peak_detector_reset(gavl_peak_detector_t *pd)
Reset a peak detector.
GAVL_PUBLIC void gavl_video_options_set_quality(gavl_video_options_t *opt, int quality)
Set the quality level for the converter.
int8_t * s_8
Definition: gavl.h:465
GAVL_PUBLIC int gavl_audio_converter_set_resample_ratio(gavl_audio_converter_t *cnv, double ratio)
Set samplerate converstion ratio.
GAVL_PUBLIC gavl_timecode_t gavl_frame_table_frame_to_timecode(const gavl_frame_table_t *t, int64_t frame, int64_t *start_time, const gavl_timecode_format_t *fmt)
Convert a frame index to a timecode.
GAVL_PUBLIC gavl_resample_mode_t gavl_audio_options_get_resample_mode(gavl_audio_options_t *opt)
Get the resample mode for the converter.
int num_timecodes
Number of timecodes.
Definition: gavl.h:3661
GAVL_PUBLIC gavl_frame_table_t * gavl_frame_table_create_audio(int samplerate, int64_t offset, int64_t duration, gavl_timecode_format_t *fmt_ret)
Create a frame table for an audio stream.
int dst_x
x offset in the destination frame. */
Definition: gavl.h:3438
GAVL_PUBLIC void gavl_video_options_set_scale_order(gavl_video_options_t *opt, int order)
Set the scale order for GAVL_SCALE_SINC_LANCZOS.
GAVL_PUBLIC gavl_alpha_mode_t gavl_video_options_get_alpha_mode(gavl_video_options_t *opt)
Get the alpha mode.
GAVL_PUBLIC gavl_video_stop_func gavl_video_options_get_stop_func(gavl_video_options_t *opt, void **client_data)
Get function to be passed to each thread.
GAVL_PUBLIC void gavl_video_options_set_stop_func(gavl_video_options_t *opt, gavl_video_stop_func func, void *client_data)
Set function to be passed to each thread.
GAVL_PUBLIC void gavl_peak_detector_get_peak(gavl_peak_detector_t *pd, double *min, double *max, double *abs)
Get the peak volume across all channels.
double w
Definition: gavl.h:1301
int64_t timestamp
Definition: gavl.h:2212
GAVL_PUBLIC void gavl_audio_converter_resample(gavl_audio_converter_t *cnv, gavl_audio_frame_t *input_frame, gavl_audio_frame_t *output_frame, double ratio)
Convert audio.
GAVL_PUBLIC void gavl_peak_detector_set_format(gavl_peak_detector_t *pd, const gavl_audio_format_t *format)
Set format for a peak detector.
GAVL_PUBLIC void gavl_video_options_destroy(gavl_video_options_t *opt)
Destroy video options.
GAVL_PUBLIC void gavl_video_options_set_conversion_flags(gavl_video_options_t *opt, int conversion_flags)
Set the conversion flags.