It will allow adding new fields to it without ABI breaks.
static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
{
InputStream *ist;
- enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
+ enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
int i;
// TODO: support other filter types
\
avio_printf(pb, "%s", ctx->filter->name); \
if (nb_pads > 1) \
- avio_printf(pb, ":%s", pads[inout->pad_idx].name); \
+ avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
avio_w8(pb, 0); \
avio_close_dyn_buf(pb, &f->name); \
}
av_freep(&ofilter->name);
DESCRIBE_FILTER_LINK(ofilter, out, 0);
- switch (out->filter_ctx->output_pads[out->pad_idx].type) {
+ switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
default: av_assert0(0);
av_freep(&ifilter->name);
DESCRIBE_FILTER_LINK(ifilter, in, 1);
- switch (in->filter_ctx->input_pads[in->pad_idx].type) {
+ switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
default: av_assert0(0);
{
OutputStream *ost;
- switch (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type) {
+ switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+ ofilter->out_tmp->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
default:
if (!ofilter->out_tmp || ofilter->out_tmp->name)
continue;
- switch (ofilter->out_tmp->filter_ctx->output_pads[ofilter->out_tmp->pad_idx].type) {
+ switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+ ofilter->out_tmp->pad_idx)) {
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
#include "audio.h"
#include "avfilter.h"
+#include "internal.h"
AVFilter avfilter_af_anull = {
.name = "anull",
*/
#include "avfilter.h"
+#include "internal.h"
static void null_filter_samples(AVFilterLink *link, AVFilterBufferRef *samplesref) { }
*/
#include "avfilter.h"
+#include "internal.h"
#include "libavutil/audioconvert.h"
typedef struct {
*/
#endif
+#if FF_API_AVFILTERPAD_PUBLIC
/**
* A filter pad used for either input or output.
+ *
+ * @warning this struct will be removed from public API.
+ * users should call avfilter_pad_get_name() and avfilter_pad_get_type()
+ * to access the name and type fields; there should be no need to access
+ * any other fields from outside of libavfilter.
*/
struct AVFilterPad {
/**
*/
int (*config_props)(AVFilterLink *link);
};
+#endif
/**
* Get the name of an AVFilterPad.
#include "avfilter.h"
#include "buffersrc.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "vsrc_buffer.h"
#include "avfilter.h"
+#if !FF_API_AVFILTERPAD_PUBLIC
+/**
+ * A filter pad used for either input or output.
+ */
+struct AVFilterPad {
+ /**
+ * Pad name. The name is unique among inputs and among outputs, but an
+ * input may have the same name as an output. This may be NULL if this
+ * pad has no need to ever be referenced by name.
+ */
+ const char *name;
+
+ /**
+ * AVFilterPad type.
+ */
+ enum AVMediaType type;
+
+ /**
+ * Minimum required permissions on incoming buffers. Any buffer with
+ * insufficient permissions will be automatically copied by the filter
+ * system to a new buffer which provides the needed access permissions.
+ *
+ * Input pads only.
+ */
+ int min_perms;
+
+ /**
+ * Permissions which are not accepted on incoming buffers. Any buffer
+ * which has any of these permissions set will be automatically copied
+ * by the filter system to a new buffer which does not have those
+ * permissions. This can be used to easily disallow buffers with
+ * AV_PERM_REUSE.
+ *
+ * Input pads only.
+ */
+ int rej_perms;
+
+ /**
+ * Callback called before passing the first slice of a new frame. If
+ * NULL, the filter layer will default to storing a reference to the
+ * picture inside the link structure.
+ *
+ * Input video pads only.
+ */
+ void (*start_frame)(AVFilterLink *link, AVFilterBufferRef *picref);
+
+ /**
+ * Callback function to get a video buffer. If NULL, the filter system will
+ * use avfilter_default_get_video_buffer().
+ *
+ * Input video pads only.
+ */
+ AVFilterBufferRef *(*get_video_buffer)(AVFilterLink *link, int perms, int w, int h);
+
+ /**
+ * Callback function to get an audio buffer. If NULL, the filter system will
+ * use avfilter_default_get_audio_buffer().
+ *
+ * Input audio pads only.
+ */
+ AVFilterBufferRef *(*get_audio_buffer)(AVFilterLink *link, int perms,
+ int nb_samples);
+
+ /**
+ * Callback called after the slices of a frame are completely sent. If
+ * NULL, the filter layer will default to releasing the reference stored
+ * in the link structure during start_frame().
+ *
+ * Input video pads only.
+ */
+ void (*end_frame)(AVFilterLink *link);
+
+ /**
+ * Slice drawing callback. This is where a filter receives video data
+ * and should do its processing.
+ *
+ * Input video pads only.
+ */
+ void (*draw_slice)(AVFilterLink *link, int y, int height, int slice_dir);
+
+ /**
+ * Samples filtering callback. This is where a filter receives audio data
+ * and should do its processing.
+ *
+ * Input audio pads only.
+ */
+ void (*filter_samples)(AVFilterLink *link, AVFilterBufferRef *samplesref);
+
+ /**
+ * Frame poll callback. This returns the number of immediately available
+ * samples. It should return a positive value if the next request_frame()
+ * is guaranteed to return one frame (with no delay).
+ *
+ * Defaults to just calling the source poll_frame() method.
+ *
+ * Output pads only.
+ */
+ int (*poll_frame)(AVFilterLink *link);
+
+ /**
+ * Frame request callback. A call to this should result in at least one
+ * frame being output over the given link. This should return zero on
+ * success, and another value on error.
+ *
+ * Output pads only.
+ */
+ int (*request_frame)(AVFilterLink *link);
+
+ /**
+ * Link configuration callback.
+ *
+ * For output pads, this should set the link properties such as
+ * width/height. This should NOT set the format property - that is
+ * negotiated between filters by the filter system using the
+ * query_formats() callback before this function is called.
+ *
+ * For input pads, this should check the properties of the link, and update
+ * the filter's internal state as necessary.
+ *
+ * For both input and output filters, this should return zero on success,
+ * and another value on error.
+ */
+ int (*config_props)(AVFilterLink *link);
+};
+#endif
+
/** default handler for freeing audio/video buffer when there are no references left */
void ff_avfilter_default_free_buffer(AVFilterBuffer *buf);
#ifndef FF_API_FILTERS_PUBLIC
#define FF_API_FILTERS_PUBLIC (LIBAVFILTER_VERSION_MAJOR < 3)
#endif
+#ifndef FF_API_AVFILTERPAD_PUBLIC
+#define FF_API_AVFILTERPAD_PUBLIC (LIBAVFILTER_VERSION_MAJOR < 4)
+#endif
#endif // AVFILTER_VERSION_H
#include "libavutil/mathematics.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
static const char *const var_names[] = {
*/
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
AVFilter avfilter_vf_copy = {
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/eval.h"
#include "libavutil/avstring.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
/**
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
enum { Y, U, V, A };
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#undef time
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef f0r_instance_t (*f0r_construct_f)(unsigned int width, unsigned int height);
#include "avfilter.h"
#include "formats.h"
#include "gradfun.h"
+#include "internal.h"
#include "video.h"
DECLARE_ALIGNED(16, static const uint16_t, dither)[8][8] = {
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
*/
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
AVFilter avfilter_vf_null = {
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/avstring.h"
#include "libavutil/eval.h"
#include "libavutil/eval.h"
#include "libavutil/mathematics.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
static const char *const var_names[] = {
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
typedef struct {
*/
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "internal.h"
#include "video.h"
typedef struct {
*/
#include "avfilter.h"
+#include "internal.h"
static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
{
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/colorspace.h"
#include "libavformat/avformat.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
static const char *const var_names[] = {
"E",
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "formats.h"
+#include "internal.h"
#include "video.h"
typedef struct {