gmerlin
filters.h
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2  * gmerlin - a general purpose multimedia framework and applications
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16  * GNU General Public License for more details.
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21 
22 
23 #include <gavl/gavl.h>
24 #include <gmerlin/bggavl.h>
25 #include <gmerlin/plugin.h>
26 
27 
28 
41 typedef struct bg_audio_filter_chain_s bg_audio_filter_chain_t;
42 
49 typedef struct bg_video_filter_chain_s bg_video_filter_chain_t;
50 
51 /* Audio */
52 
61 bg_audio_filter_chain_create(const bg_gavl_audio_options_t * opt,
62  bg_plugin_registry_t * plugin_reg);
63 
72 const bg_parameter_info_t *
74 
86  const char * name,
87  const bg_parameter_value_t * val);
88 
99 
100 
101 
113  void * priv,
114  int stream);
115 
123  const gavl_audio_format_t * in_format,
124  gavl_audio_format_t * out_format);
125 
132  const gavl_audio_format_t * in_format);
133 
144  const gavl_audio_format_t * out_format);
145 
154 int bg_audio_filter_chain_read(void * priv, gavl_audio_frame_t* frame,
155  int stream,
156  int num_samples);
157 
163 
172 
181 
189 
190 /* Video */
191 
200 bg_video_filter_chain_create(const bg_gavl_video_options_t * opt,
201  bg_plugin_registry_t * plugin_reg);
202 
211 const bg_parameter_info_t *
213 
225 void bg_video_filter_chain_set_parameter(void * data, const char * name,
226  const bg_parameter_value_t * val);
227 
238 
239 
251  void * priv, int stream);
252 
260  const gavl_video_format_t * in_format,
261  gavl_video_format_t * out_format);
262 
269  const gavl_video_format_t * in_format);
270 
280  const gavl_video_format_t * out_format);
281 
282 
290 int bg_video_filter_chain_read(void * priv, gavl_video_frame_t* frame,
291  int stream);
292 
298 
307 
316 
324 
void bg_audio_filter_chain_connect_input(bg_audio_filter_chain_t *ch, bg_read_audio_func_t func, void *priv, int stream)
Set input callback of an audio filter chain.
void bg_video_filter_chain_destroy(bg_video_filter_chain_t *ch)
Destroy a video filter chain.
void bg_video_filter_chain_reset(bg_video_filter_chain_t *ch)
Reset a video filter chain.
int bg_audio_filter_chain_set_out_format(bg_audio_filter_chain_t *ch, const gavl_audio_format_t *out_format)
Set output format of an audio filter chain.
bg_video_filter_chain_t * bg_video_filter_chain_create(const bg_gavl_video_options_t *opt, bg_plugin_registry_t *plugin_reg)
Create a video filter chain.
struct bg_video_filter_chain_s bg_video_filter_chain_t
Video filter chain.
Definition: filters.h:49
const bg_parameter_info_t * bg_audio_filter_chain_get_parameters(bg_audio_filter_chain_t *ch)
Return parameters.
void bg_video_filter_chain_set_parameter(void *data, const char *name, const bg_parameter_value_t *val)
Set a parameter for a video chain.
struct bg_audio_filter_chain_s bg_audio_filter_chain_t
Audio filter chain.
Definition: filters.h:41
const bg_parameter_info_t * bg_video_filter_chain_get_parameters(bg_video_filter_chain_t *ch)
Return parameters.
void bg_audio_filter_chain_lock(bg_audio_filter_chain_t *ch)
Lock an audio filter chain.
bg_audio_filter_chain_t * bg_audio_filter_chain_create(const bg_gavl_audio_options_t *opt, bg_plugin_registry_t *plugin_reg)
Create an audio filter chain.
void bg_audio_filter_chain_destroy(bg_audio_filter_chain_t *ch)
Destroy an audio filter chain.
void bg_audio_filter_chain_unlock(bg_audio_filter_chain_t *ch)
Unlock an audio filter chain.
Parmeter description.
Definition: parameter.h:134
void bg_audio_filter_chain_reset(bg_audio_filter_chain_t *ch)
Reset an audio filter chain.
struct bg_plugin_registry_s bg_plugin_registry_t
Opaque handle for a plugin registry.
Definition: pluginregistry.h:141
void bg_video_filter_chain_lock(bg_video_filter_chain_t *ch)
Lock a video filter chain.
void bg_video_filter_chain_connect_input(bg_video_filter_chain_t *ch, bg_read_video_func_t func, void *priv, int stream)
Set input callback of a video filter chain.
void bg_audio_filter_chain_set_parameter(void *data, const char *name, const bg_parameter_value_t *val)
Set a parameter for an audio chain.
int bg_video_filter_chain_set_out_format(bg_video_filter_chain_t *ch, const gavl_video_format_t *out_format)
Set output format of a video filter chain.
int bg_video_filter_chain_init(bg_video_filter_chain_t *ch, const gavl_video_format_t *in_format, gavl_video_format_t *out_format)
Initialize a video filter chain.
void bg_video_filter_chain_set_input_format(bg_video_filter_chain_t *ch, const gavl_video_format_t *in_format)
Change the input format of a video filter chain.
int bg_video_filter_chain_read(void *priv, gavl_video_frame_t *frame, int stream)
Read a video frame from a video filter chain.
int(* bg_read_video_func_t)(void *priv, gavl_video_frame_t *frame, int stream)
Generic prototype for reading video.
Definition: plugin.h:90
int(* bg_read_audio_func_t)(void *priv, gavl_audio_frame_t *frame, int stream, int num_samples)
Generic prototype for reading audio.
Definition: plugin.h:75
int bg_audio_filter_chain_need_restart(bg_audio_filter_chain_t *ch)
Check if an audio filter chain needs to be restarted.
Container for a parameter value.
Definition: parameter.h:82
int bg_audio_filter_chain_init(bg_audio_filter_chain_t *ch, const gavl_audio_format_t *in_format, gavl_audio_format_t *out_format)
Initialize an audio filter chain.
int bg_video_filter_chain_need_restart(bg_video_filter_chain_t *ch)
Check if a video filter chain needs to be restarted.
int bg_audio_filter_chain_read(void *priv, gavl_audio_frame_t *frame, int stream, int num_samples)
Read a audio samples from an audio filter chain.
void bg_video_filter_chain_unlock(bg_video_filter_chain_t *ch)
Unlock a video filter chain.
void bg_audio_filter_chain_set_input_format(bg_audio_filter_chain_t *ch, const gavl_audio_format_t *in_format)
Change the input format of an audio filter chain.