A reference to an AVFilterBuffer. More...
#include <avfilter.h>
Data Fields | |
AVFilterBuffer * | buf |
the buffer that this is a reference to | |
uint8_t * | data [8] |
picture/audio data for each plane | |
int | linesize [8] |
number of bytes per line | |
int | format |
media format | |
int64_t | pts |
presentation timestamp. | |
int64_t | pos |
byte position in stream, -1 if unknown | |
int | perms |
permissions, see the AV_PERM_* flags | |
enum AVMediaType | type |
media type of buffer data | |
AVFilterBufferRefVideoProps * | video |
video buffer specific properties | |
AVFilterBufferRefAudioProps * | audio |
audio buffer specific properties |
A reference to an AVFilterBuffer.
Since filters can manipulate the origin of a buffer to, for example, crop image without any memcpy, the buffer origin and dimensions are per-reference properties. Linesize is also useful for image flipping, frame to field filters, etc, and so is also per-reference.
TODO: add anything necessary for frame reordering
Definition at line 124 of file avfilter.h.
AVFilterBufferRefAudioProps* AVFilterBufferRef::audio |
audio buffer specific properties
Definition at line 142 of file avfilter.h.
Referenced by avfilter_copy_buffer_ref_props(), avfilter_default_filter_samples(), avfilter_default_get_audio_buffer(), avfilter_filter_samples(), avfilter_ref_buffer(), avfilter_unref_buffer(), and ff_dlog_ref().
AVFilterBuffer* AVFilterBufferRef::buf |
the buffer that this is a reference to
Definition at line 125 of file avfilter.h.
Referenced by avfilter_default_get_audio_buffer(), avfilter_get_video_buffer_ref_from_arrays(), avfilter_ref_buffer(), avfilter_unref_buffer(), does_clip(), ff_dlog_ref(), start_frame(), and transcode_video().
uint8_t* AVFilterBufferRef::data[8] |
picture/audio data for each plane
Definition at line 126 of file avfilter.h.
Referenced by av_vsrc_buffer_add_frame(), avfilter_default_get_audio_buffer(), avfilter_draw_slice(), avfilter_filter_samples(), avfilter_get_video_buffer_ref_from_arrays(), blend_slice(), color_request_frame(), does_clip(), draw_send_bar_slice(), draw_slice(), drawbox(), end_frame(), ff_dlog_ref(), fill_iplimage_from_picref(), fill_picref_from_iplimage(), filter(), get_video_buffer(), movie_get_frame(), and start_frame().
int AVFilterBufferRef::format |
media format
Definition at line 128 of file avfilter.h.
Referenced by av_buffersrc_buffer(), avfilter_copy_frame_props(), avfilter_default_filter_samples(), avfilter_default_get_audio_buffer(), avfilter_filter_samples(), avfilter_get_video_buffer_ref_from_arrays(), blend_slice(), end_frame(), movie_get_frame(), and start_frame().
int AVFilterBufferRef::linesize[8] |
number of bytes per line
Definition at line 127 of file avfilter.h.
Referenced by av_vsrc_buffer_add_frame(), avfilter_default_get_audio_buffer(), avfilter_draw_slice(), avfilter_get_video_buffer_ref_from_arrays(), avfilter_start_frame(), blend_slice(), color_request_frame(), does_clip(), draw_send_bar_slice(), draw_slice(), drawbox(), end_frame(), ff_dlog_ref(), fill_iplimage_from_picref(), fill_picref_from_iplimage(), filter(), get_video_buffer(), movie_get_frame(), and start_frame().
int AVFilterBufferRef::perms |
permissions, see the AV_PERM_* flags
Definition at line 138 of file avfilter.h.
Referenced by avfilter_default_get_audio_buffer(), avfilter_filter_samples(), avfilter_get_video_buffer_ref_from_arrays(), avfilter_ref_buffer(), avfilter_start_frame(), ff_dlog_ref(), and start_frame().
int64_t AVFilterBufferRef::pos |
byte position in stream, -1 if unknown
Definition at line 136 of file avfilter.h.
Referenced by avfilter_copy_buffer_ref_props(), color_request_frame(), end_frame(), ff_dlog_ref(), movie_get_frame(), request_frame(), select_frame(), source_request_frame(), start_frame(), and video_thread().
int64_t AVFilterBufferRef::pts |
presentation timestamp.
The time unit may change during filtering, as it is specified in the link and the filter code may need to rescale the PTS accordingly.
Definition at line 135 of file avfilter.h.
Referenced by av_vsrc_buffer_add_frame(), avfilter_copy_buffer_ref_props(), avfilter_copy_frame_props(), avfilter_default_filter_samples(), avfilter_filter_samples(), color_request_frame(), end_frame(), ff_dlog_ref(), movie_get_frame(), request_frame(), return_frame(), select_frame(), source_request_frame(), start_frame(), start_frame_overlay(), transcode_video(), and video_thread().
enum AVMediaType AVFilterBufferRef::type |
media type of buffer data
Definition at line 140 of file avfilter.h.
Referenced by avfilter_copy_buffer_ref_props(), avfilter_copy_frame_props(), avfilter_get_audio_buffer(), avfilter_get_video_buffer(), avfilter_get_video_buffer_ref_from_arrays(), and avfilter_ref_buffer().
AVFilterBufferRefVideoProps* AVFilterBufferRef::video |
video buffer specific properties
Definition at line 141 of file avfilter.h.
Referenced by av_buffersrc_buffer(), av_vsrc_buffer_add_frame(), avfilter_copy_buffer_ref_props(), avfilter_copy_frame_props(), avfilter_draw_slice(), avfilter_get_video_buffer_ref_from_arrays(), avfilter_ref_buffer(), avfilter_unref_buffer(), color_request_frame(), draw_slice(), end_frame(), ff_dlog_ref(), fill_iplimage_from_picref(), filter(), get_video_buffer(), movie_get_frame(), poll_frame(), request_frame(), return_frame(), select_frame(), source_request_frame(), and start_frame().