gavl
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#include <inttypes.h>
#include <gavl/gavldefs.h>
#include <gavl/gavltime.h>
#include <gavl/timecode.h>
Go to the source code of this file.
Data Structures | |
struct | gavl_audio_format_t |
Audio Format. More... | |
union | gavl_audio_samples_t |
Container for interleaved audio samples. More... | |
union | gavl_audio_channels_t |
Container for noninterleaved audio samples. More... | |
struct | gavl_audio_frame_t |
Generic container for audio samples. More... | |
struct | gavl_rectangle_i_t |
struct | gavl_rectangle_f_t |
struct | gavl_video_format_s |
Video format. More... | |
struct | gavl_video_frame_t |
struct | gavl_overlay_t |
Overlay structure. More... | |
struct | gavl_frame_table_t |
frame table structure More... | |
Macros | |
#define | GAVL_QUALITY_FASTEST 1 |
Fastest processing. More... | |
#define | GAVL_QUALITY_BEST 5 |
Highest quality. More... | |
#define | GAVL_QUALITY_DEFAULT 2 |
Default quality. More... | |
#define | GAVL_ACCEL_MMX (1<<0) |
MMX. More... | |
#define | GAVL_ACCEL_MMXEXT (1<<1) |
Extended MMX (a.k.a MMX2) More... | |
#define | GAVL_ACCEL_SSE (1<<2) |
Intel SSE. More... | |
#define | GAVL_ACCEL_SSE2 (1<<3) |
Intel SSE2. More... | |
#define | GAVL_ACCEL_SSE3 (1<<4) |
Intel SSE3. More... | |
#define | GAVL_ACCEL_3DNOW (1<<5) |
AMD 3Dnow. More... | |
#define | GAVL_ACCEL_3DNOWEXT (1<<6) |
AMD 3Dnow ext. More... | |
#define | GAVL_ACCEL_SSSE3 (1<<7) |
Intel SSSE3. More... | |
#define | GAVL_MAX_CHANNELS 128 |
Maximum number of audio channels. More... | |
#define | GAVL_AUDIO_FRONT_TO_REAR_COPY (1<<0) |
#define | GAVL_AUDIO_FRONT_TO_REAR_MUTE (1<<1) |
#define | GAVL_AUDIO_FRONT_TO_REAR_DIFF (1<<2) |
#define | GAVL_AUDIO_FRONT_TO_REAR_MASK |
#define | GAVL_AUDIO_STEREO_TO_MONO_LEFT (1<<3) |
#define | GAVL_AUDIO_STEREO_TO_MONO_RIGHT (1<<4) |
#define | GAVL_AUDIO_STEREO_TO_MONO_MIX (1<<5) |
#define | GAVL_AUDIO_STEREO_TO_MONO_MASK |
#define | GAVL_AUDIO_NORMALIZE_MIX_MATRIX (1<<6) |
#define | GAVL_MAX_PLANES 4 |
#define | GAVL_PIXFMT_PLANAR (1<<8) |
#define | GAVL_PIXFMT_RGB (1<<9) |
#define | GAVL_PIXFMT_YUV (1<<10) |
#define | GAVL_PIXFMT_YUVJ (1<<11) |
#define | GAVL_PIXFMT_ALPHA (1<<12) |
#define | GAVL_PIXFMT_GRAY (1<<13) |
#define | GAVL_PIXELFORMAT_1D_8 GAVL_GRAY_8 |
Pixelformat for storing 1-dimensional integer data with 8 bits each. More... | |
#define | GAVL_PIXELFORMAT_2D_8 GAVL_GRAYA_16 |
Pixelformat for storing 2-dimensional integer data with 8 bits each. More... | |
#define | GAVL_PIXELFORMAT_3D_8 GAVL_RGB_24 |
Pixelformat for storing 3-dimensional integer data with 8 bits each. More... | |
#define | GAVL_PIXELFORMAT_4D_8 GAVL_RGBA_32 |
Pixelformat for storing 4-dimensional integer data with 8 bits each. More... | |
#define | GAVL_PIXELFORMAT_1D_16 GAVL_GRAY_16 |
Pixelformat for storing 1-dimensional integer data with 16 bits each. More... | |
#define | GAVL_PIXELFORMAT_2D_16 GAVL_GRAYA_32 |
Pixelformat for storing 2-dimensional integer data with 16 bits each. More... | |
#define | GAVL_PIXELFORMAT_3D_16 GAVL_RGB_48 |
Pixelformat for storing 3-dimensional integer data with 16 bits each. More... | |
#define | GAVL_PIXELFORMAT_4D_16 GAVL_RGBA_64 |
Pixelformat for storing 4-dimensional integer data with 16 bits each. More... | |
#define | GAVL_PIXELFORMAT_1D_FLOAT GAVL_GRAY_FLOAT |
Pixelformat for storing 1-dimensional FLOAT data. More... | |
#define | GAVL_PIXELFORMAT_2D_FLOAT GAVL_GRAYA_FLOAT |
Pixelformat for storing 2-dimensional FLOAT data. More... | |
#define | GAVL_PIXELFORMAT_3D_FLOAT GAVL_RGB_FLOAT |
Pixelformat for storing 3-dimensional FLOAT data. More... | |
#define | GAVL_PIXELFORMAT_4D_FLOAT GAVL_RGBA_FLOAT |
Pixelformat for storing 4-dimensional FLOAT data. More... | |
#define | gavl_pixelformat_is_gray(fmt) ((fmt) & GAVL_PIXFMT_GRAY) |
Check if a pixelformat is grayscale. More... | |
#define | gavl_pixelformat_is_rgb(fmt) ((fmt) & GAVL_PIXFMT_RGB) |
Check if a pixelformat is RGB based. More... | |
#define | gavl_pixelformat_is_yuv(fmt) ((fmt) & GAVL_PIXFMT_YUV) |
Check if a pixelformat is YUV based. More... | |
#define | gavl_pixelformat_is_jpeg_scaled(fmt) ((fmt) & GAVL_PIXFMT_YUVJ) |
Check if a pixelformat is jpeg (full range) scaled. More... | |
#define | gavl_pixelformat_has_alpha(fmt) ((fmt) & GAVL_PIXFMT_ALPHA) |
Check if a pixelformat has a transparency channel. More... | |
#define | gavl_pixelformat_is_planar(fmt) ((fmt) & GAVL_PIXFMT_PLANAR) |
Check if a pixelformat is planar. More... | |
#define | GAVL_FORCE_DEINTERLACE (1<<0) |
Force deinterlacing. More... | |
#define | GAVL_CONVOLVE_CHROMA (1<<1) |
Pass chroma planes to the convolver. More... | |
#define | GAVL_CONVOLVE_NORMALIZE (1<<2) |
Normalize convolution matrices passed to the scaler. More... | |
#define | GAVL_RESAMPLE_CHROMA (1<<3) |
Force chroma placement correction. More... | |
Typedefs | |
typedef void(* | gavl_video_process_func )(void *data, int start, int end) |
Prototype of a process function. More... | |
typedef 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. More... | |
typedef void(* | gavl_video_stop_func )(void *client_data, int thread) |
Wait until a piece of a calculation finished. More... | |
typedef struct gavl_video_format_s | gavl_video_format_t |
Video format. More... | |
typedef struct gavl_audio_options_s | gavl_audio_options_t |
Opaque container for audio conversion options. More... | |
typedef struct gavl_audio_converter_s | gavl_audio_converter_t |
Opaque audio converter structure. More... | |
typedef struct gavl_volume_control_s | gavl_volume_control_t |
Opaque structure for a volume control. More... | |
typedef struct gavl_peak_detector_s | gavl_peak_detector_t |
Opaque structure for peak detector. More... | |
typedef struct gavl_video_options_s | gavl_video_options_t |
typedef struct gavl_video_converter_s | gavl_video_converter_t |
Opaque video converter structure. More... | |
typedef struct gavl_video_scaler_s | gavl_video_scaler_t |
Opaque scaler structure. More... | |
typedef struct gavl_video_deinterlacer_s | gavl_video_deinterlacer_t |
Opaque deinterlacer structure. More... | |
typedef struct gavl_overlay_blend_context_s | gavl_overlay_blend_context_t |
Opaque blend context. More... | |
typedef struct gavl_image_transform_s | gavl_image_transform_t |
Opaque image transformation engine. More... | |
typedef void(* | gavl_image_transform_func )(void *priv, double xdst, double ydst, double *xsrc, double *ysrc) |
Function describing the method. More... | |
Functions | |
GAVL_PUBLIC int | gavl_accel_supported () |
Get the supported acceleration flags. More... | |
GAVL_PUBLIC const char * | gavl_sample_format_to_string (gavl_sample_format_t format) |
Convert a gavl_sample_format_t to a human readable string. More... | |
GAVL_PUBLIC gavl_sample_format_t | gavl_string_to_sample_format (const char *str) |
Convert a string to a sample format. More... | |
GAVL_PUBLIC int | gavl_num_sample_formats () |
Get total number of supported sample formats. More... | |
GAVL_PUBLIC gavl_sample_format_t | gavl_get_sample_format (int index) |
Get the sample format from index. More... | |
GAVL_PUBLIC const char * | gavl_channel_id_to_string (gavl_channel_id_t id) |
Convert a gavl_channel_id_t to a human readable string. More... | |
GAVL_PUBLIC const char * | gavl_interleave_mode_to_string (gavl_interleave_mode_t mode) |
Convert a gavl_interleave_mode_t to a human readable string. More... | |
GAVL_PUBLIC void | gavl_audio_format_dump (const gavl_audio_format_t *format) |
Dump an audio format to stderr. More... | |
GAVL_PUBLIC int | gavl_channel_index (const gavl_audio_format_t *format, gavl_channel_id_t id) |
Get the index of a particular channel for a given format. More... | |
GAVL_PUBLIC int | gavl_front_channels (const gavl_audio_format_t *format) |
Get number of front channels for a given format. More... | |
GAVL_PUBLIC int | gavl_rear_channels (const gavl_audio_format_t *format) |
Get number of rear channels for a given format. More... | |
GAVL_PUBLIC int | gavl_side_channels (const gavl_audio_format_t *format) |
Get number of side channels for a given format. More... | |
GAVL_PUBLIC int | gavl_aux_channels (const gavl_audio_format_t *format) |
Get number of aux channels for a given format. More... | |
GAVL_PUBLIC int | gavl_lfe_channels (const gavl_audio_format_t *format) |
Get number of LFE channels for a given format. More... | |
GAVL_PUBLIC void | gavl_audio_format_copy (gavl_audio_format_t *dst, const gavl_audio_format_t *src) |
Copy one audio format to another. More... | |
GAVL_PUBLIC int | gavl_audio_formats_equal (const gavl_audio_format_t *format_1, const gavl_audio_format_t *format_2) |
Compare 2 audio formats. More... | |
GAVL_PUBLIC void | gavl_set_channel_setup (gavl_audio_format_t *format) |
Set the default channel setup and indices. More... | |
GAVL_PUBLIC int | gavl_bytes_per_sample (gavl_sample_format_t format) |
Get the number of bytes per sample for a given sample format. More... | |
GAVL_PUBLIC gavl_audio_frame_t * | gavl_audio_frame_create (const gavl_audio_format_t *format) |
Create audio frame. More... | |
GAVL_PUBLIC void | gavl_audio_frame_null (gavl_audio_frame_t *frame) |
Zero all pointers in the audio frame. More... | |
GAVL_PUBLIC void | gavl_audio_frame_destroy (gavl_audio_frame_t *frame) |
Destroy an audio frame. More... | |
GAVL_PUBLIC void | gavl_audio_frame_mute (gavl_audio_frame_t *frame, const gavl_audio_format_t *format) |
Mute an audio frame. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_audio_options_set_quality (gavl_audio_options_t *opt, int quality) |
Set the quality level for the converter. More... | |
GAVL_PUBLIC int | gavl_audio_options_get_quality (gavl_audio_options_t *opt) |
Get the quality level for a converter. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC gavl_resample_mode_t | gavl_audio_options_get_resample_mode (gavl_audio_options_t *opt) |
Get the resample mode for the converter. More... | |
GAVL_PUBLIC void | gavl_audio_options_set_conversion_flags (gavl_audio_options_t *opt, int flags) |
Set the conversion flags. More... | |
GAVL_PUBLIC int | gavl_audio_options_get_conversion_flags (gavl_audio_options_t *opt) |
Get the conversion flags. More... | |
GAVL_PUBLIC void | gavl_audio_options_set_defaults (gavl_audio_options_t *opt) |
Set all options to their defaults. More... | |
GAVL_PUBLIC void | gavl_audio_options_set_mix_matrix (gavl_audio_options_t *opt, const double **matrix) |
Set a user defined mix matrix. More... | |
GAVL_PUBLIC const double ** | gavl_audio_options_get_mix_matrix (gavl_audio_options_t *opt) |
Get the mix matrix. More... | |
GAVL_PUBLIC gavl_audio_options_t * | gavl_audio_options_create () |
Create an options container. More... | |
GAVL_PUBLIC void | gavl_audio_options_copy (gavl_audio_options_t *dst, const gavl_audio_options_t *src) |
Copy audio options. More... | |
GAVL_PUBLIC void | gavl_audio_options_destroy (gavl_audio_options_t *opt) |
Destroy audio options. More... | |
GAVL_PUBLIC gavl_audio_converter_t * | gavl_audio_converter_create () |
Creates an audio converter. More... | |
GAVL_PUBLIC void | gavl_audio_converter_destroy (gavl_audio_converter_t *cnv) |
Destroys an audio converter and frees all associated memory. More... | |
GAVL_PUBLIC gavl_audio_options_t * | gavl_audio_converter_get_options (gavl_audio_converter_t *cnv) |
gets options of an audio converter More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC int | gavl_audio_converter_reinit (gavl_audio_converter_t *cnv) |
Reinitialize an audio converter. More... | |
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. More... | |
GAVL_PUBLIC int | gavl_audio_converter_set_resample_ratio (gavl_audio_converter_t *cnv, double ratio) |
Set samplerate converstion ratio. More... | |
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. More... | |
GAVL_PUBLIC gavl_volume_control_t * | gavl_volume_control_create () |
Create volume control. More... | |
GAVL_PUBLIC void | gavl_volume_control_destroy (gavl_volume_control_t *ctrl) |
Destroys a volume control and frees all associated memory. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_volume_control_set_volume (gavl_volume_control_t *ctrl, float volume) |
Set volume for a volume control. More... | |
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. More... | |
GAVL_PUBLIC gavl_peak_detector_t * | gavl_peak_detector_create () |
Create peak detector. More... | |
GAVL_PUBLIC void | gavl_peak_detector_destroy (gavl_peak_detector_t *pd) |
Destroys a peak detector and frees all associated memory. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_peak_detector_reset (gavl_peak_detector_t *pd) |
Reset a peak detector. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_rectangle_i_align (gavl_rectangle_i_t *r, int h_align, int v_align) |
Align a rectangle. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_rectangle_i_copy (gavl_rectangle_i_t *dst, const gavl_rectangle_i_t *src) |
Copy an integer rectangle. More... | |
GAVL_PUBLIC void | gavl_rectangle_f_copy (gavl_rectangle_f_t *dst, const gavl_rectangle_f_t *src) |
Copy a float rectangle. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC int | gavl_rectangle_i_is_empty (const gavl_rectangle_i_t *r) |
Check if an integer rectangle is empty. More... | |
GAVL_PUBLIC int | gavl_rectangle_f_is_empty (const gavl_rectangle_f_t *r) |
Check if a float rectangle is empty. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_rectangle_i_dump (const gavl_rectangle_i_t *r) |
Dump a rectangle to stderr. More... | |
GAVL_PUBLIC void | gavl_rectangle_f_dump (const gavl_rectangle_f_t *r) |
Dump a floating point rectangle to stderr. More... | |
GAVL_PUBLIC int | gavl_pixelformat_num_planes (gavl_pixelformat_t pixelformat) |
Get the number of planes. More... | |
GAVL_PUBLIC void | gavl_pixelformat_chroma_sub (gavl_pixelformat_t pixelformat, int *sub_h, int *sub_v) |
Get the horizontal and vertical subsampling factors. More... | |
GAVL_PUBLIC int | gavl_pixelformat_bytes_per_component (gavl_pixelformat_t pixelformat) |
Get bytes per component for planar formats. More... | |
GAVL_PUBLIC int | gavl_pixelformat_bytes_per_pixel (gavl_pixelformat_t pixelformat) |
Get bytes per pixel for packed formats. More... | |
GAVL_PUBLIC int | gavl_pixelformat_bits_per_pixel (gavl_pixelformat_t pixelformat) |
Get the effective number of bits for one pixel. More... | |
GAVL_PUBLIC int | gavl_pixelformat_conversion_penalty (gavl_pixelformat_t src, gavl_pixelformat_t dst) |
Get the conversion penalty for pixelformat conversions. More... | |
GAVL_PUBLIC gavl_pixelformat_t | gavl_pixelformat_get_best (gavl_pixelformat_t src, const gavl_pixelformat_t *dst_supported, int *penalty) |
Get the best destination format for a given source format. More... | |
GAVL_PUBLIC const char * | gavl_pixelformat_to_string (gavl_pixelformat_t pixelformat) |
Translate a pixelformat into a human readable string. More... | |
GAVL_PUBLIC gavl_pixelformat_t | gavl_string_to_pixelformat (const char *name) |
Translate a pixelformat name into a pixelformat. More... | |
GAVL_PUBLIC int | gavl_num_pixelformats () |
Get total number of supported pixelformats. More... | |
GAVL_PUBLIC gavl_pixelformat_t | gavl_get_pixelformat (int index) |
Get the pixelformat from index. More... | |
GAVL_PUBLIC const char * | gavl_chroma_placement_to_string (gavl_chroma_placement_t mode) |
Translate a chroma placement into a human readable string. More... | |
GAVL_PUBLIC const char * | gavl_interlace_mode_to_string (gavl_interlace_mode_t mode) |
Translate an interlace mode into a human readable string. More... | |
GAVL_PUBLIC void | gavl_video_format_copy (gavl_video_format_t *dst, const gavl_video_format_t *src) |
Copy one video format to another. More... | |
GAVL_PUBLIC int | gavl_video_formats_equal (const gavl_video_format_t *format_1, const gavl_video_format_t *format_2) |
Compare 2 video formats. More... | |
GAVL_PUBLIC void | gavl_video_format_get_chroma_offset (const gavl_video_format_t *format, int field, int plane, float *off_x, float *off_y) |
Get the chroma offsets relative to the luma samples. More... | |
GAVL_PUBLIC void | gavl_video_format_fit_to_source (gavl_video_format_t *dst, const gavl_video_format_t *src) |
Set the image size of a destination format from a source format. More... | |
GAVL_PUBLIC int | gavl_video_format_get_image_size (const gavl_video_format_t *format) |
Get the unpadded image size. More... | |
GAVL_PUBLIC int | gavl_get_color_channel_format (const gavl_video_format_t *frame_format, gavl_video_format_t *channel_format, gavl_color_channel_t ch) |
Get the video format for extracting/merging one channel. More... | |
GAVL_PUBLIC void | gavl_video_format_dump (const gavl_video_format_t *format) |
Dump a video format to stderr. More... | |
GAVL_PUBLIC gavl_video_frame_t * | gavl_video_frame_create (const gavl_video_format_t *format) |
Create video frame. More... | |
GAVL_PUBLIC gavl_video_frame_t * | gavl_video_frame_create_nopad (const gavl_video_format_t *format) |
Create video frame without padding. More... | |
GAVL_PUBLIC void | gavl_video_frame_destroy (gavl_video_frame_t *frame) |
Destroy a video frame. More... | |
GAVL_PUBLIC void | gavl_video_frame_null (gavl_video_frame_t *frame) |
Zero all pointers in the video frame. More... | |
GAVL_PUBLIC void | gavl_video_frame_clear (gavl_video_frame_t *frame, const gavl_video_format_t *format) |
Fill the frame with black color. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_video_options_set_defaults (gavl_video_options_t *opt) |
Set all options to their defaults. More... | |
GAVL_PUBLIC gavl_video_options_t * | gavl_video_options_create () |
Create an options container. More... | |
GAVL_PUBLIC void | gavl_video_options_copy (gavl_video_options_t *dst, const gavl_video_options_t *src) |
Copy video options. More... | |
GAVL_PUBLIC void | gavl_video_options_destroy (gavl_video_options_t *opt) |
Destroy video options. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_video_options_set_quality (gavl_video_options_t *opt, int quality) |
Set the quality level for the converter. More... | |
GAVL_PUBLIC int | gavl_video_options_get_quality (gavl_video_options_t *opt) |
Get the quality level for the converter. More... | |
GAVL_PUBLIC void | gavl_video_options_set_conversion_flags (gavl_video_options_t *opt, int conversion_flags) |
Set the conversion flags. More... | |
GAVL_PUBLIC int | gavl_video_options_get_conversion_flags (gavl_video_options_t *opt) |
Get the conversion flags. More... | |
GAVL_PUBLIC void | gavl_video_options_set_alpha_mode (gavl_video_options_t *opt, gavl_alpha_mode_t alpha_mode) |
Set the alpha mode. More... | |
GAVL_PUBLIC gavl_alpha_mode_t | gavl_video_options_get_alpha_mode (gavl_video_options_t *opt) |
Get the alpha mode. More... | |
GAVL_PUBLIC void | gavl_video_options_set_scale_mode (gavl_video_options_t *opt, gavl_scale_mode_t scale_mode) |
Set the scale mode. More... | |
GAVL_PUBLIC gavl_scale_mode_t | gavl_video_options_get_scale_mode (gavl_video_options_t *opt) |
Get the scale mode. More... | |
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. More... | |
GAVL_PUBLIC int | gavl_video_options_get_scale_order (gavl_video_options_t *opt) |
Get the scale order for GAVL_SCALE_SINC_LANCZOS. More... | |
GAVL_PUBLIC void | gavl_video_options_set_background_color (gavl_video_options_t *opt, const float *color) |
Set the background color for alpha blending. More... | |
GAVL_PUBLIC void | gavl_video_options_get_background_color (gavl_video_options_t *opt, float *color) |
Get the background color for alpha blending. More... | |
GAVL_PUBLIC void | gavl_video_options_set_deinterlace_mode (gavl_video_options_t *opt, gavl_deinterlace_mode_t deinterlace_mode) |
Set the deinterlace mode. More... | |
GAVL_PUBLIC gavl_deinterlace_mode_t | gavl_video_options_get_deinterlace_mode (gavl_video_options_t *opt) |
Get the deinterlace mode. More... | |
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. More... | |
GAVL_PUBLIC gavl_deinterlace_drop_mode_t | gavl_video_options_get_deinterlace_drop_mode (gavl_video_options_t *opt) |
Get the deinterlace drop mode. More... | |
GAVL_PUBLIC void | gavl_video_options_set_downscale_filter (gavl_video_options_t *opt, gavl_downscale_filter_t f) |
Set antialiasing filter for downscaling. More... | |
GAVL_PUBLIC gavl_downscale_filter_t | gavl_video_options_get_downscale_filter (gavl_video_options_t *opt) |
Get the antialiasing filter for downscaling. More... | |
GAVL_PUBLIC void | gavl_video_options_set_downscale_blur (gavl_video_options_t *opt, float f) |
Set blur factor for downscaling. More... | |
GAVL_PUBLIC float | gavl_video_options_get_downscale_blur (gavl_video_options_t *opt) |
Get blur factor for downscaling. More... | |
GAVL_PUBLIC void | gavl_video_options_set_num_threads (gavl_video_options_t *opt, int n) |
Set number of threads. More... | |
GAVL_PUBLIC int | gavl_video_options_get_num_threads (gavl_video_options_t *opt) |
Set number of threads. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC gavl_video_converter_t * | gavl_video_converter_create () |
Creates a video converter. More... | |
GAVL_PUBLIC void | gavl_video_converter_destroy (gavl_video_converter_t *cnv) |
Destroys a video converter and frees all associated memory. More... | |
GAVL_PUBLIC gavl_video_options_t * | gavl_video_converter_get_options (gavl_video_converter_t *cnv) |
gets options of a video converter More... | |
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. More... | |
GAVL_PUBLIC int | gavl_video_converter_reinit (gavl_video_converter_t *cnv) |
Reinitialize a video converter. More... | |
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. More... | |
GAVL_PUBLIC gavl_video_scaler_t * | gavl_video_scaler_create () |
Create a video scaler. More... | |
GAVL_PUBLIC void | gavl_video_scaler_destroy (gavl_video_scaler_t *scaler) |
Destroy a video scaler. More... | |
GAVL_PUBLIC gavl_video_options_t * | gavl_video_scaler_get_options (gavl_video_scaler_t *scaler) |
gets options of a scaler More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC gavl_video_deinterlacer_t * | gavl_video_deinterlacer_create () |
Create a video deinterlacer. More... | |
GAVL_PUBLIC void | gavl_video_deinterlacer_destroy (gavl_video_deinterlacer_t *deinterlacer) |
Destroy a video deinterlacer. More... | |
GAVL_PUBLIC gavl_video_options_t * | gavl_video_deinterlacer_get_options (gavl_video_deinterlacer_t *deinterlacer) |
gets options of a deinterlacer More... | |
GAVL_PUBLIC int | gavl_video_deinterlacer_init (gavl_video_deinterlacer_t *deinterlacer, const gavl_video_format_t *src_format) |
Initialize a video deinterlacer. More... | |
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. More... | |
GAVL_PUBLIC gavl_overlay_blend_context_t * | gavl_overlay_blend_context_create () |
Create a blend context. More... | |
GAVL_PUBLIC void | gavl_overlay_blend_context_destroy (gavl_overlay_blend_context_t *ctx) |
Destroy a blend context and free all associated memory. More... | |
GAVL_PUBLIC gavl_video_options_t * | gavl_overlay_blend_context_get_options (gavl_overlay_blend_context_t *ctx) |
Get options from a blend context. More... | |
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. More... | |
GAVL_PUBLIC void | gavl_overlay_blend_context_set_overlay (gavl_overlay_blend_context_t *ctx, gavl_overlay_t *ovl) |
Set a new overlay. More... | |
GAVL_PUBLIC void | gavl_overlay_blend (gavl_overlay_blend_context_t *ctx, gavl_video_frame_t *dst_frame) |
Blend overlay onto video frame. More... | |
GAVL_PUBLIC gavl_image_transform_t * | gavl_image_transform_create () |
Create a transformation engine. More... | |
GAVL_PUBLIC void | gavl_image_transform_destroy (gavl_image_transform_t *t) |
Destroy a transformation engine. More... | |
GAVL_PUBLIC int | gavl_image_transform_init (gavl_image_transform_t *t, gavl_video_format_t *format, gavl_image_transform_func func, void *priv) |
Initialize a transformation engine. More... | |
GAVL_PUBLIC void | gavl_image_transform_transform (gavl_image_transform_t *t, gavl_video_frame_t *in_frame, gavl_video_frame_t *out_frame) |
Transform an image. More... | |
GAVL_PUBLIC gavl_video_options_t * | gavl_image_transform_get_options (gavl_image_transform_t *t) |
Get transformation options. More... | |
GAVL_PUBLIC gavl_frame_table_t * | gavl_frame_table_create () |
Create a frame table. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC gavl_frame_table_t * | gavl_frame_table_copy (const gavl_frame_table_t *tab) |
Copy a frame table to another. More... | |
GAVL_PUBLIC void | gavl_frame_table_destroy (gavl_frame_table_t *t) |
Destroy a frame table and free all memory. More... | |
GAVL_PUBLIC void | gavl_frame_table_append_entry (gavl_frame_table_t *t, int64_t duration) |
Append an entry. More... | |
GAVL_PUBLIC void | gavl_frame_table_append_timecode (gavl_frame_table_t *t, int64_t pts, gavl_timecode_t tc) |
Append a timecodes. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
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. More... | |
GAVL_PUBLIC int64_t | gavl_frame_table_num_frames (const gavl_frame_table_t *t) |
get the total number of frames More... | |
GAVL_PUBLIC int64_t | gavl_frame_table_duration (const gavl_frame_table_t *t) |
get the total duration of all frames More... | |
GAVL_PUBLIC int64_t | gavl_frame_table_end_time (const gavl_frame_table_t *t) |
get the end time of the last frame More... | |
GAVL_PUBLIC int | gavl_frame_table_save (const gavl_frame_table_t *tab, const char *filename) |
Save a frame table to a file. More... | |
GAVL_PUBLIC gavl_frame_table_t * | gavl_frame_table_load (const char *filename) |
Load a frame table from a file. More... | |
GAVL_PUBLIC void | gavl_frame_table_dump (const gavl_frame_table_t *t) |
Dump a frame table to stderr for debugging. More... | |
external api header.
GAVL_PUBLIC void gavl_video_options_set_deinterlace_mode | ( | gavl_video_options_t * | opt, |
gavl_deinterlace_mode_t | deinterlace_mode | ||
) |
Set the deinterlace mode.
opt | Video options |
deinterlace_mode | Deinterlace mode |
GAVL_PUBLIC gavl_deinterlace_mode_t gavl_video_options_get_deinterlace_mode | ( | gavl_video_options_t * | opt | ) |
Get the deinterlace mode.
opt | Video options |