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Adapt some more capture filters as vo pp

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Adapt those capture filters where it makes sense to postprocessors.
This commit is contained in:
Martin Pulec
2020-08-13 16:13:58 +02:00
parent 81fabcb61b
commit 150ac8a714
3 changed files with 75 additions and 18 deletions
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30
src/capture_filter/flip.cpp
View File

@@ -3,7 +3,7 @@
* @author Martin Pulec <pulec@cesnet.cz>
*/
/*
* Copyright (c) 2015 CESNET, z. s. p. o.
* Copyright (c) 2015-2020 CESNET, z. s. p. o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -47,26 +47,37 @@
#include "video.h"
#include "video_codec.h"
#include "vo_postprocess/capture_filter_wrapper.h"
static int init(struct module *parent, const char *cfg, void **state);
static void done(void *state);
static struct video_frame *filter(void *state, struct video_frame *in);
static int state_flip;
struct state_flip {
char *vo_pp_out_buffer; ///< buffer to write to if we use vo_pp wrapper (otherwise unused)
};
static int init(struct module *, const char *, void **state)
{
*state = &state_flip;
*state = static_cast<state_flip *>(calloc(1, sizeof(state_flip)));
return 0;
}
static void done(void *)
static void done(void *state)
{
free(state);
}
static struct video_frame *filter(void *, struct video_frame *in)
static struct video_frame *filter(void *state, struct video_frame *in)
{
struct video_frame *out = vf_alloc_desc_data(video_desc_from_frame(in));
auto *s = static_cast<state_flip *>(state);
struct video_frame *out = vf_alloc_desc(video_desc_from_frame(in));
if (s->vo_pp_out_buffer) {
out->tiles[0].data = s->vo_pp_out_buffer;
} else {
out->tiles[0].data = static_cast<char *>(malloc(out->tiles[0].data_len));
out->callbacks.data_deleter = vf_data_deleter;
}
out->callbacks.dispose = vf_free;
unsigned char *in_data = (unsigned char *) in->tiles[0].data;
@@ -82,6 +93,12 @@ static struct video_frame *filter(void *, struct video_frame *in)
return out;
}
static void vo_pp_set_out_buffer(void *state, char *buffer)
{
auto *s = static_cast<struct state_flip *>(state);
s->vo_pp_out_buffer = buffer;
}
static const struct capture_filter_info capture_filter_flip = {
.init = init,
.done = done,
@@ -89,4 +106,5 @@ static const struct capture_filter_info capture_filter_flip = {
};
REGISTER_MODULE(flip, &capture_filter_flip, LIBRARY_CLASS_CAPTURE_FILTER, CAPTURE_FILTER_ABI_VERSION);
ADD_VO_PP_CAPTURE_FILTER_WRAPPER(flip, init, filter, done, vo_pp_set_out_buffer)

32
src/capture_filter/grayscale.cpp
View File

@@ -3,7 +3,7 @@
* @author Martin Pulec <pulec@cesnet.cz>
*/
/*
* Copyright (c) 2015 CESNET, z. s. p. o.
* Copyright (c) 2015-2020 CESNET, z. s. p. o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -47,30 +47,42 @@
#include "video.h"
#include "video_codec.h"
#include "vo_postprocess/capture_filter_wrapper.h"
static int init(struct module *parent, const char *cfg, void **state);
static void done(void *state);
static struct video_frame *filter(void *state, struct video_frame *in);
static int state_grayscale;
struct state_grayscale {
char *vo_pp_out_buffer; ///< buffer to write to if we use vo_pp wrapper (otherwise unused)
};
static int init(struct module *, const char *, void **state)
{
*state = &state_grayscale;
*state = static_cast<state_grayscale *>(calloc(1, sizeof(state_grayscale)));
return 0;
}
static void done(void *)
static void done(void *state)
{
free(state);
}
static struct video_frame *filter(void *, struct video_frame *in)
static struct video_frame *filter(void *state, struct video_frame *in)
{
auto *s = static_cast<state_grayscale *>(state);
if (in->color_spec != UYVY) {
log_msg(LOG_LEVEL_WARNING, "Cannot create grayscale from other codec than UYVY!\n");
return in;
}
struct video_frame *out = vf_alloc_desc_data(video_desc_from_frame(in));
struct video_frame *out = vf_alloc_desc(video_desc_from_frame(in));
if (s->vo_pp_out_buffer) {
out->tiles[0].data = s->vo_pp_out_buffer;
} else {
out->tiles[0].data = static_cast<char *>(malloc(out->tiles[0].data_len));
out->callbacks.data_deleter = vf_data_deleter;
}
out->callbacks.dispose = vf_free;
unsigned char *in_data = (unsigned char *) in->tiles[0].data;
@@ -87,6 +99,13 @@ static struct video_frame *filter(void *, struct video_frame *in)
return out;
}
static void vo_pp_set_out_buffer(void *state, char *buffer)
{
auto *s = static_cast<struct state_grayscale *>(state);
s->vo_pp_out_buffer = buffer;
}
static const struct capture_filter_info capture_filter_grayscale = {
.init = init,
.done = done,
@@ -94,4 +113,5 @@ static const struct capture_filter_info capture_filter_grayscale = {
};
REGISTER_MODULE(grayscale, &capture_filter_grayscale, LIBRARY_CLASS_CAPTURE_FILTER, CAPTURE_FILTER_ABI_VERSION);
ADD_VO_PP_CAPTURE_FILTER_WRAPPER(grayscale, init, filter, done, vo_pp_set_out_buffer)

31
src/capture_filter/mirror.cpp
View File

@@ -3,7 +3,7 @@
* @author Martin Pulec <pulec@cesnet.cz>
*/
/*
* Copyright (c) 2015 CESNET, z. s. p. o.
* Copyright (c) 2015-2020 CESNET, z. s. p. o.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -47,21 +47,25 @@
#include "video.h"
#include "video_codec.h"
#include "vo_postprocess/capture_filter_wrapper.h"
static int init(struct module *parent, const char *cfg, void **state);
static void done(void *state);
static struct video_frame *filter(void *state, struct video_frame *in);
static int state_mirror;
struct state_mirror {
char *vo_pp_out_buffer; ///< buffer to write to if we use vo_pp wrapper (otherwise unused)
};
static int init(struct module *, const char *, void **state)
{
*state = &state_mirror;
*state = static_cast<state_mirror *>(calloc(1, sizeof(state_mirror)));
return 0;
}
static void done(void *)
static void done(void *state)
{
free(state);
}
static void mirror_line_UYVY(unsigned char *dst, const unsigned char *src, int linesize)
@@ -83,14 +87,22 @@ static void mirror_line_UYVY(unsigned char *dst, const unsigned char *src, int l
}
}
static struct video_frame *filter(void *, struct video_frame *in)
static struct video_frame *filter(void *state, struct video_frame *in)
{
auto *s = static_cast<state_mirror *>(state);
if (in->color_spec != UYVY) {
log_msg(LOG_LEVEL_WARNING, "Only supported colorspace for mirror is currently UYVY!\n");
return in;
}
struct video_frame *out = vf_alloc_desc_data(video_desc_from_frame(in));
struct video_frame *out = vf_alloc_desc(video_desc_from_frame(in));
if (s->vo_pp_out_buffer) {
out->tiles[0].data = s->vo_pp_out_buffer;
} else {
out->tiles[0].data = static_cast<char *>(malloc(out->tiles[0].data_len));
out->callbacks.data_deleter = vf_data_deleter;
}
out->callbacks.dispose = vf_free;
unsigned char *in_data = (unsigned char *) in->tiles[0].data;
@@ -106,6 +118,12 @@ static struct video_frame *filter(void *, struct video_frame *in)
return out;
}
static void vo_pp_set_out_buffer(void *state, char *buffer)
{
auto *s = static_cast<struct state_mirror *>(state);
s->vo_pp_out_buffer = buffer;
}
static const struct capture_filter_info capture_filter_mirror = {
.init = init,
.done = done,
@@ -113,4 +131,5 @@ static const struct capture_filter_info capture_filter_mirror = {
};
REGISTER_MODULE(mirror, &capture_filter_mirror, LIBRARY_CLASS_CAPTURE_FILTER, CAPTURE_FILTER_ABI_VERSION);
ADD_VO_PP_CAPTURE_FILTER_WRAPPER(mirror, init, filter, done, vo_pp_set_out_buffer)