#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... | |
Defines | |
| #define | GAVL_QUALITY_FASTEST 1 |
| Fastest processing. | |
| #define | GAVL_QUALITY_BEST 5 |
| Highest quality. | |
| #define | GAVL_QUALITY_DEFAULT 2 |
| Default quality. | |
| #define | GAVL_ACCEL_MMX (1<<0) |
| MMX. | |
| #define | GAVL_ACCEL_MMXEXT (1<<1) |
| Extended MMX (a.k.a MMX2). | |
| #define | GAVL_ACCEL_SSE (1<<2) |
| Intel SSE. | |
| #define | GAVL_ACCEL_SSE2 (1<<3) |
| Intel SSE2. | |
| #define | GAVL_ACCEL_SSE3 (1<<4) |
| Intel SSE3. | |
| #define | GAVL_ACCEL_3DNOW (1<<5) |
| AMD 3Dnow. | |
| #define | GAVL_ACCEL_3DNOWEXT (1<<6) |
| AMD 3Dnow ext. | |
| #define | GAVL_ACCEL_SSSE3 (1<<7) |
| Intel SSSE3. | |
| #define | GAVL_MAX_CHANNELS 128 |
| Maximum number of audio channels. | |
| #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. | |
| #define | GAVL_PIXELFORMAT_2D_8 GAVL_GRAYA_16 |
| Pixelformat for storing 2-dimensional integer data with 8 bits each. | |
| #define | GAVL_PIXELFORMAT_3D_8 GAVL_RGB_24 |
| Pixelformat for storing 3-dimensional integer data with 8 bits each. | |
| #define | GAVL_PIXELFORMAT_4D_8 GAVL_RGBA_32 |
| Pixelformat for storing 4-dimensional integer data with 8 bits each. | |
| #define | GAVL_PIXELFORMAT_1D_16 GAVL_GRAY_16 |
| Pixelformat for storing 1-dimensional integer data with 16 bits each. | |
| #define | GAVL_PIXELFORMAT_2D_16 GAVL_GRAYA_32 |
| Pixelformat for storing 2-dimensional integer data with 16 bits each. | |
| #define | GAVL_PIXELFORMAT_3D_16 GAVL_RGB_48 |
| Pixelformat for storing 3-dimensional integer data with 16 bits each. | |
| #define | GAVL_PIXELFORMAT_4D_16 GAVL_RGBA_64 |
| Pixelformat for storing 4-dimensional integer data with 16 bits each. | |
| #define | GAVL_PIXELFORMAT_1D_FLOAT GAVL_GRAY_FLOAT |
| Pixelformat for storing 1-dimensional FLOAT data. | |
| #define | GAVL_PIXELFORMAT_2D_FLOAT GAVL_GRAYA_FLOAT |
| Pixelformat for storing 2-dimensional FLOAT data. | |
| #define | GAVL_PIXELFORMAT_3D_FLOAT GAVL_RGB_FLOAT |
| Pixelformat for storing 3-dimensional FLOAT data. | |
| #define | GAVL_PIXELFORMAT_4D_FLOAT GAVL_RGBA_FLOAT |
| Pixelformat for storing 4-dimensional FLOAT data. | |
| #define | gavl_pixelformat_is_gray(fmt) ((fmt) & GAVL_PIXFMT_GRAY) |
| Check if a pixelformat is grayscale. | |
| #define | gavl_pixelformat_is_rgb(fmt) ((fmt) & GAVL_PIXFMT_RGB) |
| Check if a pixelformat is RGB based. | |
| #define | gavl_pixelformat_is_yuv(fmt) ((fmt) & GAVL_PIXFMT_YUV) |
| Check if a pixelformat is YUV based. | |
| #define | gavl_pixelformat_is_jpeg_scaled(fmt) ((fmt) & GAVL_PIXFMT_YUVJ) |
| Check if a pixelformat is jpeg (full range) scaled. | |
| #define | gavl_pixelformat_has_alpha(fmt) ((fmt) & GAVL_PIXFMT_ALPHA) |
| Check if a pixelformat has a transparency channel. | |
| #define | gavl_pixelformat_is_planar(fmt) ((fmt) & GAVL_PIXFMT_PLANAR) |
| Check if a pixelformat is planar. | |
| #define | GAVL_FORCE_DEINTERLACE (1<<0) |
| Force deinterlacing. | |
| #define | GAVL_CONVOLVE_CHROMA (1<<1) |
| Pass chroma planes to the convolver. | |
| #define | GAVL_CONVOLVE_NORMALIZE (1<<2) |
| Normalize convolution matrices passed to the scaler. | |
| #define | GAVL_RESAMPLE_CHROMA (1<<3) |
| Force chroma placement correction. | |
Typedefs | |
| typedef void(* | gavl_video_process_func )(void *data, int start, int end) |
| Prototype of a process function. | |
| 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. | |
| typedef void(* | gavl_video_stop_func )(void *client_data, int thread) |
| Wait until a piece of a calculation finished. | |
| typedef struct gavl_video_format_s | gavl_video_format_t |
| Video format. | |
| typedef struct gavl_audio_options_s | gavl_audio_options_t |
| Opaque container for audio conversion options. | |
| typedef struct gavl_audio_converter_s | gavl_audio_converter_t |
| Opaque audio converter structure. | |
| typedef struct gavl_volume_control_s | gavl_volume_control_t |
| Opaque structure for a volume control. | |
| typedef struct gavl_peak_detector_s | gavl_peak_detector_t |
| Opaque structure for peak detector. | |
| typedef struct gavl_video_options_s | gavl_video_options_t |
| typedef struct gavl_video_converter_s | gavl_video_converter_t |
| Opaque video converter structure. | |
| typedef struct gavl_video_scaler_s | gavl_video_scaler_t |
| Opaque scaler structure. | |
| typedef struct gavl_video_deinterlacer_s | gavl_video_deinterlacer_t |
| Opaque deinterlacer structure. | |
| typedef struct gavl_overlay_blend_context_s | gavl_overlay_blend_context_t |
| Opaque blend context. | |
| typedef struct gavl_image_transform_s | gavl_image_transform_t |
| Opaque image transformation engine. | |
| typedef void(* | gavl_image_transform_func )(void *priv, double xdst, double ydst, double *xsrc, double *ysrc) |
| Function describing the method. | |
Enumerations | |
| enum | gavl_sample_format_t { GAVL_SAMPLE_NONE = 0, GAVL_SAMPLE_U8 = 1, GAVL_SAMPLE_S8 = 2, GAVL_SAMPLE_U16 = 3, GAVL_SAMPLE_S16 = 4, GAVL_SAMPLE_S32 = 5, GAVL_SAMPLE_FLOAT = 6, GAVL_SAMPLE_DOUBLE = 7 } |
Format of one audio sample. More... | |
| enum | gavl_interleave_mode_t { GAVL_INTERLEAVE_NONE = 0, GAVL_INTERLEAVE_2 = 1, GAVL_INTERLEAVE_ALL = 2 } |
| enum | gavl_channel_id_t { GAVL_CHID_NONE = 0, GAVL_CHID_FRONT_CENTER, GAVL_CHID_FRONT_LEFT, GAVL_CHID_FRONT_RIGHT, GAVL_CHID_FRONT_CENTER_LEFT, GAVL_CHID_FRONT_CENTER_RIGHT, GAVL_CHID_REAR_LEFT, GAVL_CHID_REAR_RIGHT, GAVL_CHID_REAR_CENTER, GAVL_CHID_SIDE_LEFT, GAVL_CHID_SIDE_RIGHT, GAVL_CHID_LFE, GAVL_CHID_AUX } |
Audio channel setup. More... | |
| enum | gavl_audio_dither_mode_t { GAVL_AUDIO_DITHER_NONE = 0, GAVL_AUDIO_DITHER_AUTO = 1, GAVL_AUDIO_DITHER_RECT = 2, GAVL_AUDIO_DITHER_TRI = 3, GAVL_AUDIO_DITHER_SHAPED = 4 } |
Dither mode. More... | |
| enum | gavl_resample_mode_t { GAVL_RESAMPLE_AUTO = 0, GAVL_RESAMPLE_ZOH = 1, GAVL_RESAMPLE_LINEAR = 2, GAVL_RESAMPLE_SINC_FAST = 3, GAVL_RESAMPLE_SINC_MEDIUM = 4, GAVL_RESAMPLE_SINC_BEST = 5 } |
Resample mode. More... | |
| enum | gavl_pixelformat_t { GAVL_PIXELFORMAT_NONE = 0, GAVL_GRAY_8 = 1 | GAVL_PIXFMT_GRAY, GAVL_GRAY_16 = 2 | GAVL_PIXFMT_GRAY, GAVL_GRAY_FLOAT = 3 | GAVL_PIXFMT_GRAY, GAVL_GRAYA_16 = 1 | GAVL_PIXFMT_GRAY | GAVL_PIXFMT_ALPHA, GAVL_GRAYA_32 = 2 | GAVL_PIXFMT_GRAY | GAVL_PIXFMT_ALPHA, GAVL_GRAYA_FLOAT = 3 | GAVL_PIXFMT_GRAY | GAVL_PIXFMT_ALPHA, GAVL_RGB_15 = 1 | GAVL_PIXFMT_RGB, GAVL_BGR_15 = 2 | GAVL_PIXFMT_RGB, GAVL_RGB_16 = 3 | GAVL_PIXFMT_RGB, GAVL_BGR_16 = 4 | GAVL_PIXFMT_RGB, GAVL_RGB_24 = 5 | GAVL_PIXFMT_RGB, GAVL_BGR_24 = 6 | GAVL_PIXFMT_RGB, GAVL_RGB_32 = 7 | GAVL_PIXFMT_RGB, GAVL_BGR_32 = 8 | GAVL_PIXFMT_RGB, GAVL_RGBA_32 = 9 | GAVL_PIXFMT_RGB | GAVL_PIXFMT_ALPHA, GAVL_RGB_48 = 10 | GAVL_PIXFMT_RGB, GAVL_RGBA_64 = 11 | GAVL_PIXFMT_RGB | GAVL_PIXFMT_ALPHA, GAVL_RGB_FLOAT = 12 | GAVL_PIXFMT_RGB, GAVL_RGBA_FLOAT = 13 | GAVL_PIXFMT_RGB | GAVL_PIXFMT_ALPHA, GAVL_YUY2 = 1 | GAVL_PIXFMT_YUV, GAVL_UYVY = 2 | GAVL_PIXFMT_YUV, GAVL_YUVA_32 = 3 | GAVL_PIXFMT_YUV | GAVL_PIXFMT_ALPHA, GAVL_YUVA_64 = 4 | GAVL_PIXFMT_YUV | GAVL_PIXFMT_ALPHA, GAVL_YUV_FLOAT = 5 | GAVL_PIXFMT_YUV, GAVL_YUVA_FLOAT = 6 | GAVL_PIXFMT_YUV | GAVL_PIXFMT_ALPHA, GAVL_YUV_420_P = 1 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV, GAVL_YUV_422_P = 2 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV, GAVL_YUV_444_P = 3 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV, GAVL_YUV_411_P = 4 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV, GAVL_YUV_410_P = 5 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV, GAVL_YUVJ_420_P = 6 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV | GAVL_PIXFMT_YUVJ, GAVL_YUVJ_422_P = 7 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV | GAVL_PIXFMT_YUVJ, GAVL_YUVJ_444_P = 8 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV | GAVL_PIXFMT_YUVJ, GAVL_YUV_444_P_16 = 9 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV, GAVL_YUV_422_P_16 = 10 | GAVL_PIXFMT_PLANAR | GAVL_PIXFMT_YUV } |
Pixelformat definition. More... | |
| enum | gavl_color_channel_t { GAVL_CCH_RED, GAVL_CCH_GREEN, GAVL_CCH_BLUE, GAVL_CCH_Y, GAVL_CCH_CB, GAVL_CCH_CR, GAVL_CCH_ALPHA } |
Color channel definitions. More... | |
| enum | gavl_chroma_placement_t { GAVL_CHROMA_PLACEMENT_DEFAULT = 0, GAVL_CHROMA_PLACEMENT_MPEG2, GAVL_CHROMA_PLACEMENT_DVPAL } |
Chroma placement. More... | |
| enum | gavl_framerate_mode_t { GAVL_FRAMERATE_CONSTANT = 0, GAVL_FRAMERATE_VARIABLE = 1, GAVL_FRAMERATE_STILL = 2 } |
Framerate mode. More... | |
| enum | gavl_interlace_mode_t { GAVL_INTERLACE_NONE = 0, GAVL_INTERLACE_TOP_FIRST, GAVL_INTERLACE_BOTTOM_FIRST, GAVL_INTERLACE_MIXED } |
Interlace mode. More... | |
| enum | gavl_alpha_mode_t { GAVL_ALPHA_IGNORE = 0, GAVL_ALPHA_BLEND_COLOR } |
| enum | gavl_deinterlace_mode_t { GAVL_DEINTERLACE_NONE = 0, GAVL_DEINTERLACE_COPY = 1, GAVL_DEINTERLACE_SCALE = 2, GAVL_DEINTERLACE_BLEND = 3 } |
| enum | gavl_deinterlace_drop_mode_t { GAVL_DEINTERLACE_DROP_TOP, GAVL_DEINTERLACE_DROP_BOTTOM } |
Specifies which field to drop when deinterlacing. More... | |
| enum | gavl_scale_mode_t { GAVL_SCALE_AUTO, GAVL_SCALE_NEAREST, GAVL_SCALE_BILINEAR, GAVL_SCALE_QUADRATIC, GAVL_SCALE_CUBIC_BSPLINE, GAVL_SCALE_CUBIC_MITCHELL, GAVL_SCALE_CUBIC_CATMULL, GAVL_SCALE_SINC_LANCZOS, GAVL_SCALE_NONE } |
| enum | gavl_downscale_filter_t { GAVL_DOWNSCALE_FILTER_AUTO = 0, GAVL_DOWNSCALE_FILTER_NONE, GAVL_DOWNSCALE_FILTER_WIDE, GAVL_DOWNSCALE_FILTER_GAUSS } |
Functions | |
| GAVL_PUBLIC int | gavl_accel_supported () |
| Get the supported acceleration flags. | |
| 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. | |
| GAVL_PUBLIC gavl_sample_format_t | gavl_string_to_sample_format (const char *str) |
| Convert a string to a sample format. | |
| GAVL_PUBLIC int | gavl_num_sample_formats () |
| Get total number of supported sample formats. | |
| GAVL_PUBLIC gavl_sample_format_t | gavl_get_sample_format (int index) |
| Get the sample format from index. | |
| 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. | |
| 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. | |
| GAVL_PUBLIC void | gavl_audio_format_dump (const gavl_audio_format_t *format) |
| Dump an audio format to stderr. | |
| 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. | |
| GAVL_PUBLIC int | gavl_front_channels (const gavl_audio_format_t *format) |
| Get number of front channels for a given format. | |
| GAVL_PUBLIC int | gavl_rear_channels (const gavl_audio_format_t *format) |
| Get number of rear channels for a given format. | |
| GAVL_PUBLIC int | gavl_side_channels (const gavl_audio_format_t *format) |
| Get number of side channels for a given format. | |
| GAVL_PUBLIC int | gavl_aux_channels (const gavl_audio_format_t *format) |
| Get number of aux channels for a given format. | |
| GAVL_PUBLIC int | gavl_lfe_channels (const gavl_audio_format_t *format) |
| Get number of LFE channels for a given format. | |
| GAVL_PUBLIC void | gavl_audio_format_copy (gavl_audio_format_t *dst, const gavl_audio_format_t *src) |
| Copy one audio format to another. | |
| 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. | |
| GAVL_PUBLIC void | gavl_set_channel_setup (gavl_audio_format_t *format) |
| Set the default channel setup and indices. | |
| GAVL_PUBLIC int | gavl_bytes_per_sample (gavl_sample_format_t format) |
| Get the number of bytes per sample for a given sample format. | |
| GAVL_PUBLIC gavl_audio_frame_t * | gavl_audio_frame_create (const gavl_audio_format_t *format) |
| Create audio frame. | |
| GAVL_PUBLIC void | gavl_audio_frame_null (gavl_audio_frame_t *frame) |
| Zero all pointers in the audio frame. | |
| GAVL_PUBLIC void | gavl_audio_frame_destroy (gavl_audio_frame_t *frame) |
| Destroy an audio frame. | |
| 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_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_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_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. | |
| 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. | |
| 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 void | gavl_audio_options_set_quality (gavl_audio_options_t *opt, int quality) |
| Set the quality level for the converter. | |
| GAVL_PUBLIC int | gavl_audio_options_get_quality (gavl_audio_options_t *opt) |
| Get the quality level for a converter. | |
| 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 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 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 gavl_resample_mode_t | gavl_audio_options_get_resample_mode (gavl_audio_options_t *opt) |
| Get the resample mode for the converter. | |
| GAVL_PUBLIC void | gavl_audio_options_set_conversion_flags (gavl_audio_options_t *opt, int flags) |
| Set the conversion flags. | |
| GAVL_PUBLIC int | gavl_audio_options_get_conversion_flags (gavl_audio_options_t *opt) |
| Get the conversion flags. | |
| GAVL_PUBLIC void | gavl_audio_options_set_defaults (gavl_audio_options_t *opt) |
| Set all options to their defaults. | |
| 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 const double ** | gavl_audio_options_get_mix_matrix (gavl_audio_options_t *opt) |
| Get the mix matrix. | |
| GAVL_PUBLIC gavl_audio_options_t * | gavl_audio_options_create () |
| Create an options container. | |
| GAVL_PUBLIC void | gavl_audio_options_copy (gavl_audio_options_t *dst, const gavl_audio_options_t *src) |
| Copy audio options. | |
| GAVL_PUBLIC void | gavl_audio_options_destroy (gavl_audio_options_t *opt) |
| Destroy audio options. | |
| GAVL_PUBLIC gavl_audio_converter_t * | gavl_audio_converter_create () |
| Creates an audio converter. | |
| GAVL_PUBLIC void | gavl_audio_converter_destroy (gavl_audio_converter_t *cnv) |
| Destroys an audio converter and frees all associated memory. | |
| GAVL_PUBLIC gavl_audio_options_t * | gavl_audio_converter_get_options (gavl_audio_converter_t *cnv) |
| gets options of an audio converter | |
| 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 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_audio_converter_reinit (gavl_audio_converter_t *cnv) |
| Reinitialize an audio converter. | |
| 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 int | gavl_audio_converter_set_resample_ratio (gavl_audio_converter_t *cnv, double ratio) |
| Set samplerate converstion ratio. | |
| 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 gavl_volume_control_t * | gavl_volume_control_create () |
| Create volume control. | |
| GAVL_PUBLIC void | gavl_volume_control_destroy (gavl_volume_control_t *ctrl) |
| Destroys a volume control and frees all associated memory. | |
| 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. | |
| GAVL_PUBLIC void | gavl_volume_control_set_volume (gavl_volume_control_t *ctrl, float volume) |
| Set volume for a volume control. | |
| 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_peak_detector_t * | gavl_peak_detector_create () |
| Create peak detector. | |
| 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_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_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_peak_detector_get_peak (gavl_peak_detector_t *pd, double *min, double *max, double *abs) |
| Get the peak volume across all channels. | |
| 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. | |
| GAVL_PUBLIC void | gavl_peak_detector_reset (gavl_peak_detector_t *pd) |
| Reset a peak detector. | |
| 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 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_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 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_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 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_rectangle_i_crop_left (gavl_rectangle_i_t *r, int num_pixels) |
| Crop an integer rectangle by some pixels from the left border. | |
| 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_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 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_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_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_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_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 void | gavl_rectangle_i_align (gavl_rectangle_i_t *r, int h_align, int v_align) |
| Align a rectangle. | |
| 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. | |
| 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_copy (gavl_rectangle_f_t *dst, const gavl_rectangle_f_t *src) |
| Copy a float rectangle. | |
| 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_rectangle_f_to_i (gavl_rectangle_i_t *dst, const gavl_rectangle_f_t *src) |
| Convert a floating point rectangle to an integer rectangle. | |
| GAVL_PUBLIC int | gavl_rectangle_i_is_empty (const gavl_rectangle_i_t *r) |
| Check if an integer rectangle is empty. | |
| 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_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. | |
| GAVL_PUBLIC void | gavl_rectangle_i_dump (const gavl_rectangle_i_t *r) |
| Dump a rectangle to stderr. | |
| GAVL_PUBLIC void | gavl_rectangle_f_dump (const gavl_rectangle_f_t *r) |
| Dump a floating point rectangle to stderr. | |
| GAVL_PUBLIC int | gavl_pixelformat_num_planes (gavl_pixelformat_t pixelformat) |
| Get the number of planes. | |
| GAVL_PUBLIC void | gavl_pixelformat_chroma_sub (gavl_pixelformat_t pixelformat, int *sub_h, int *sub_v) |
| Get the horizontal and vertical subsampling factors. | |
| GAVL_PUBLIC int | gavl_pixelformat_bytes_per_component (gavl_pixelformat_t pixelformat) |
| Get bytes per component for planar formats. | |
| GAVL_PUBLIC int | gavl_pixelformat_bytes_per_pixel (gavl_pixelformat_t pixelformat) |
| Get bytes per pixel for packed formats. | |
| GAVL_PUBLIC int | gavl_pixelformat_bits_per_pixel (gavl_pixelformat_t pixelformat) |
| Get the effective number of bits for one pixel. | |
| GAVL_PUBLIC int | gavl_pixelformat_conversion_penalty (gavl_pixelformat_t src, gavl_pixelformat_t dst) |
| Get the conversion penalty for pixelformat conversions. | |
| 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. | |
| GAVL_PUBLIC const char * | gavl_pixelformat_to_string (gavl_pixelformat_t pixelformat) |
| Translate a pixelformat into a human readable string. | |
| GAVL_PUBLIC gavl_pixelformat_t | gavl_string_to_pixelformat (const char *name) |
| Translate a pixelformat name into a pixelformat. | |
| GAVL_PUBLIC int | gavl_num_pixelformats () |
| Get total number of supported pixelformats. | |
| GAVL_PUBLIC gavl_pixelformat_t | gavl_get_pixelformat (int index) |
| Get the pixelformat from index. | |
| GAVL_PUBLIC const char * | gavl_chroma_placement_to_string (gavl_chroma_placement_t mode) |
| Translate a chroma placement into a human readable string. | |
| GAVL_PUBLIC const char * | gavl_interlace_mode_to_string (gavl_interlace_mode_t mode) |
| Translate an interlace mode into a human readable string. | |
| GAVL_PUBLIC void | gavl_video_format_copy (gavl_video_format_t *dst, const gavl_video_format_t *src) |
| Copy one video format to another. | |
| 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. | |
| 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. | |
| 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. | |
| GAVL_PUBLIC int | gavl_video_format_get_image_size (const gavl_video_format_t *format) |
| Get the unpadded image size. | |
| 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. | |
| GAVL_PUBLIC void | gavl_video_format_dump (const gavl_video_format_t *format) |
| Dump a video format to stderr. | |
| GAVL_PUBLIC gavl_video_frame_t * | gavl_video_frame_create (const gavl_video_format_t *format) |
| Create video frame. | |
| GAVL_PUBLIC gavl_video_frame_t * | gavl_video_frame_create_nopad (const gavl_video_format_t *format) |
| Create video frame without padding. | |
| GAVL_PUBLIC void | gavl_video_frame_destroy (gavl_video_frame_t *frame) |
| Destroy a video frame. | |
| GAVL_PUBLIC void | gavl_video_frame_null (gavl_video_frame_t *frame) |
| Zero all pointers in the video frame. | |
| 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_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 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. | |
| 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 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_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_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_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. | |
| 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 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 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_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. | |
| 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 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. | |
| 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 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. | |
| 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 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. | |
| GAVL_PUBLIC void | gavl_video_options_set_defaults (gavl_video_options_t *opt) |
| Set all options to their defaults. | |
| GAVL_PUBLIC gavl_video_options_t * | gavl_video_options_create () |
| Create an options container. | |
| 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_options_destroy (gavl_video_options_t *opt) |
| Destroy video options. | |
| 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. | |
| 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. | |
| GAVL_PUBLIC void | gavl_video_options_set_quality (gavl_video_options_t *opt, int quality) |
| Set the quality level for the converter. | |
| GAVL_PUBLIC int | gavl_video_options_get_quality (gavl_video_options_t *opt) |
| Get the quality level for the converter. | |
| GAVL_PUBLIC void | gavl_video_options_set_conversion_flags (gavl_video_options_t *opt, int conversion_flags) |
| Set the conversion flags. | |
| GAVL_PUBLIC int | gavl_video_options_get_conversion_flags (gavl_video_options_t *opt) |
| Get the conversion flags. | |
| GAVL_PUBLIC void | gavl_video_options_set_alpha_mode (gavl_video_options_t *opt, gavl_alpha_mode_t alpha_mode) |
| Set the alpha mode. | |
| GAVL_PUBLIC gavl_alpha_mode_t | gavl_video_options_get_alpha_mode (gavl_video_options_t *opt) |
| Get the alpha mode. | |
| 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_PUBLIC gavl_scale_mode_t | gavl_video_options_get_scale_mode (gavl_video_options_t *opt) |
| Get the scale mode. | |
| 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 int | gavl_video_options_get_scale_order (gavl_video_options_t *opt) |
| Get the scale order for GAVL_SCALE_SINC_LANCZOS. | |
| 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_video_options_get_background_color (gavl_video_options_t *opt, float *color) |
| Get the background color for alpha blending. | |
| 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 gavl_deinterlace_mode_t | gavl_video_options_get_deinterlace_mode (gavl_video_options_t *opt) |
| Get the deinterlace mode. | |
| 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 gavl_deinterlace_drop_mode_t | gavl_video_options_get_deinterlace_drop_mode (gavl_video_options_t *opt) |
| Get the deinterlace drop mode. | |
| 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_downscale_filter_t | gavl_video_options_get_downscale_filter (gavl_video_options_t *opt) |
| Get the antialiasing filter for downscaling. | |
| GAVL_PUBLIC void | gavl_video_options_set_downscale_blur (gavl_video_options_t *opt, float f) |
| Set blur factor for downscaling. | |
| GAVL_PUBLIC float | gavl_video_options_get_downscale_blur (gavl_video_options_t *opt) |
| Get blur factor for downscaling. | |
| GAVL_PUBLIC void | gavl_video_options_set_num_threads (gavl_video_options_t *opt, int n) |
| Set number of threads. | |
| GAVL_PUBLIC int | gavl_video_options_get_num_threads (gavl_video_options_t *opt) |
| Set number of threads. | |
| 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 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_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 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 gavl_video_converter_t * | gavl_video_converter_create () |
| Creates a video converter. | |
| GAVL_PUBLIC void | gavl_video_converter_destroy (gavl_video_converter_t *cnv) |
| Destroys a video converter and frees all associated memory. | |
| GAVL_PUBLIC gavl_video_options_t * | gavl_video_converter_get_options (gavl_video_converter_t *cnv) |
| gets options of a video converter | |
| 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. | |
| GAVL_PUBLIC int | gavl_video_converter_reinit (gavl_video_converter_t *cnv) |
| Reinitialize a video converter. | |
| 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 gavl_video_scaler_t * | gavl_video_scaler_create () |
| Create a video scaler. | |
| GAVL_PUBLIC void | gavl_video_scaler_destroy (gavl_video_scaler_t *scaler) |
| Destroy a video scaler. | |
| GAVL_PUBLIC gavl_video_options_t * | gavl_video_scaler_get_options (gavl_video_scaler_t *scaler) |
| gets options of a scaler | |
| 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 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_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 gavl_video_deinterlacer_t * | gavl_video_deinterlacer_create () |
| Create a video deinterlacer. | |
| GAVL_PUBLIC void | gavl_video_deinterlacer_destroy (gavl_video_deinterlacer_t *deinterlacer) |
| Destroy a video deinterlacer. | |
| GAVL_PUBLIC gavl_video_options_t * | gavl_video_deinterlacer_get_options (gavl_video_deinterlacer_t *deinterlacer) |
| gets options of a deinterlacer | |
| 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_video_deinterlacer_deinterlace (gavl_video_deinterlacer_t *deinterlacer, const gavl_video_frame_t *input_frame, gavl_video_frame_t *output_frame) |
| Deinterlace video. | |
| GAVL_PUBLIC gavl_overlay_blend_context_t * | gavl_overlay_blend_context_create () |
| Create a blend context. | |
| GAVL_PUBLIC void | gavl_overlay_blend_context_destroy (gavl_overlay_blend_context_t *ctx) |
| Destroy a blend context and free all associated memory. | |
| 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_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. | |
| 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 void | gavl_overlay_blend (gavl_overlay_blend_context_t *ctx, gavl_video_frame_t *dst_frame) |
| Blend overlay onto video frame. | |
| GAVL_PUBLIC gavl_image_transform_t * | gavl_image_transform_create () |
| Create a transformation engine. | |
| GAVL_PUBLIC void | gavl_image_transform_destroy (gavl_image_transform_t *t) |
| Destroy a transformation engine. | |
| 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. | |
| 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. | |
| GAVL_PUBLIC gavl_video_options_t * | gavl_image_transform_get_options (gavl_image_transform_t *t) |
| Get transformation options. | |
| GAVL_PUBLIC gavl_frame_table_t * | gavl_frame_table_create () |
| Create a frame table. | |
| 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. | |
| 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 gavl_frame_table_t * | gavl_frame_table_copy (const gavl_frame_table_t *tab) |
| Copy a frame table to another. | |
| GAVL_PUBLIC void | gavl_frame_table_destroy (gavl_frame_table_t *t) |
| Destroy a frame table and free all memory. | |
| GAVL_PUBLIC void | gavl_frame_table_append_entry (gavl_frame_table_t *t, int64_t duration) |
| Append an entry. | |
| 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 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 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 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 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_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 int64_t | gavl_frame_table_num_frames (const gavl_frame_table_t *t) |
| get the total number of frames | |
| GAVL_PUBLIC int64_t | gavl_frame_table_duration (const gavl_frame_table_t *t) |
| get the total duration of all frames | |
| 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 int | gavl_frame_table_save (const gavl_frame_table_t *tab, const char *filename) |
| Save a frame table to a file. | |
| GAVL_PUBLIC gavl_frame_table_t * | gavl_frame_table_load (const char *filename) |
| Load a frame table from a file. | |
| GAVL_PUBLIC void | gavl_frame_table_dump (const gavl_frame_table_t *t) |
| Dump a frame table to stderr for debugging. | |
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 |
1.6.3