/*
* filter layer
- * copyright (c) 2007 Bobby Bingham
+ * Copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
#define AVFILTER_AVFILTER_H
#include "libavutil/avutil.h"
+#include "libavutil/samplefmt.h"
-#define LIBAVFILTER_VERSION_MAJOR 1
-#define LIBAVFILTER_VERSION_MINOR 58
+#define LIBAVFILTER_VERSION_MAJOR 2
+#define LIBAVFILTER_VERSION_MINOR 5
#define LIBAVFILTER_VERSION_MICRO 0
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
#define LIBAVFILTER_BUILD LIBAVFILTER_VERSION_INT
#include <stddef.h>
-#include "libavcodec/avcodec.h"
/**
* Return the LIBAVFILTER_VERSION_INT constant.
* reallocating it from scratch.
*/
void (*free)(struct AVFilterBuffer *buf);
+
+ int format; ///< media format
+ int w, h; ///< width and height of the allocated buffer
} AVFilterBuffer;
#define AV_PERM_READ 0x01 ///< can read from the buffer
#define AV_PERM_PRESERVE 0x04 ///< nobody else can overwrite the buffer
#define AV_PERM_REUSE 0x08 ///< can output the buffer multiple times, with the same contents each time
#define AV_PERM_REUSE2 0x10 ///< can output the buffer multiple times, modified each time
+#define AV_PERM_NEG_LINESIZES 0x20 ///< the buffer requested can have negative linesizes
/**
* Audio specific properties in a reference to an AVFilterBuffer. Since
*/
typedef struct AVFilterBufferRefAudioProps {
int64_t channel_layout; ///< channel layout of audio buffer
- int samples_nb; ///< number of audio samples
+ int nb_samples; ///< number of audio samples
int size; ///< audio buffer size
uint32_t sample_rate; ///< audio buffer sample rate
int planar; ///< audio buffer - planar or packed
typedef struct AVFilterBufferRefVideoProps {
int w; ///< image width
int h; ///< image height
- AVRational pixel_aspect; ///< pixel aspect ratio
+ AVRational sample_aspect_ratio; ///< sample aspect ratio
int interlaced; ///< is frame interlaced
int top_field_first; ///< field order
+ enum AVPictureType pict_type; ///< picture type of the frame
+ int key_frame; ///< 1 -> keyframe, 0-> not
} AVFilterBufferRefVideoProps;
/**
* Remove a reference to a buffer. If this is the last reference to the
* buffer, the buffer itself is also automatically freed.
*
- * @param ref reference to the buffer
+ * @param ref reference to the buffer, may be NULL
*/
void avfilter_unref_buffer(AVFilterBufferRef *ref);
unsigned refcount; ///< number of references to this list
struct AVFilterFormats ***refs; ///< references to this list
-} AVFilterFormats;;
+} AVFilterFormats;
/**
* Create a list of supported formats. This is intended for use in
* Input audio pads only.
*/
AVFilterBufferRef *(*get_audio_buffer)(AVFilterLink *link, int perms,
- enum SampleFormat sample_fmt, int size,
+ enum AVSampleFormat sample_fmt, int size,
int64_t channel_layout, int planar);
/**
/** default handler for get_audio_buffer() for audio inputs */
AVFilterBufferRef *avfilter_default_get_audio_buffer(AVFilterLink *link, int perms,
- enum SampleFormat sample_fmt, int size,
+ enum AVSampleFormat sample_fmt, int size,
int64_t channel_layout, int planar);
/**
/** get_audio_buffer() handler for filters which simply pass audio along */
AVFilterBufferRef *avfilter_null_get_audio_buffer(AVFilterLink *link, int perms,
- enum SampleFormat sample_fmt, int size,
+ enum AVSampleFormat sample_fmt, int size,
int64_t channel_layout, int planar);
/**
enum AVMediaType type; ///< filter media type
- /* These two parameters apply only to video */
+ /* These parameters apply only to video */
int w; ///< agreed upon image width
int h; ///< agreed upon image height
+ AVRational sample_aspect_ratio; ///< agreed upon sample aspect ratio
/* These two parameters apply only to audio */
- int64_t channel_layout; ///< channel layout of current buffer (see avcodec.h)
+ int64_t channel_layout; ///< channel layout of current buffer (see libavutil/audioconvert.h)
int64_t sample_rate; ///< samples per second
int format; ///< agreed upon media format
* input link is assumed to be an unchangeable property.
*/
AVRational time_base;
+
+ struct AVFilterPool *pool;
};
/**
AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms,
int w, int h);
+/**
+ * Create a buffer reference wrapped around an already allocated image
+ * buffer.
+ *
+ * @param data pointers to the planes of the image to reference
+ * @param linesize linesizes for the planes of the image to reference
+ * @param perms the required access permissions
+ * @param w the width of the image specified by the data and linesize arrays
+ * @param h the height of the image specified by the data and linesize arrays
+ * @param format the pixel format of the image specified by the data and linesize arrays
+ */
+AVFilterBufferRef *
+avfilter_get_video_buffer_ref_from_arrays(uint8_t *data[4], int linesize[4], int perms,
+ int w, int h, enum PixelFormat format);
+
/**
* Request an audio samples buffer with a specific set of permissions.
*
* avfilter_unref_buffer when you are finished with it.
*/
AVFilterBufferRef *avfilter_get_audio_buffer(AVFilterLink *link, int perms,
- enum SampleFormat sample_fmt, int size,
+ enum AVSampleFormat sample_fmt, int size,
int64_t channel_layout, int planar);
/**
int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque);
/**
- * Destroy a filter.
+ * Free a filter context.
*
- * @param filter the filter to destroy
+ * @param filter the filter to free
*/
-void avfilter_destroy(AVFilterContext *filter);
+void avfilter_free(AVFilterContext *filter);
/**
* Insert a filter in the middle of an existing link.
projects / ffmpeg / blobdiff