#include "defs.h"
#include "deinterlace_effect.h"
+#include "ffmpeg_capture.h"
#include "flags.h"
#include "image_input.h"
#include "input.h"
EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain");
bool override_bounce = checkbool(L, 2);
bool deinterlace = checkbool(L, 3);
- return wrap_lua_object<LiveInputWrapper>(L, "LiveInputWrapper", theme, chain, override_bounce, deinterlace);
+ bmusb::PixelFormat pixel_format = global_flags.ten_bit_input ? bmusb::PixelFormat_10BitYCbCr : bmusb::PixelFormat_8BitYCbCr;
+
+ // Needs to be nonowned to match add_video_input (see below).
+ return wrap_lua_object_nonowned<LiveInputWrapper>(L, "LiveInputWrapper", theme, chain, pixel_format, override_bounce, deinterlace);
+}
+
+int EffectChain_add_video_input(lua_State* L)
+{
+ assert(lua_gettop(L) == 3);
+ Theme *theme = get_theme_updata(L);
+ EffectChain *chain = (EffectChain *)luaL_checkudata(L, 1, "EffectChain");
+ FFmpegCapture **capture = (FFmpegCapture **)luaL_checkudata(L, 2, "VideoInput");
+ bool deinterlace = checkbool(L, 3);
+
+ // These need to be nonowned, so that the LiveInputWrapper still exists
+ // and can feed frames to the right EffectChain even if the Lua code
+ // doesn't care about the object anymore. (If we change this, we'd need
+ // to also unregister the signal connection on __gc.)
+ int ret = wrap_lua_object_nonowned<LiveInputWrapper>(
+ L, "LiveInputWrapper", theme, chain, bmusb::PixelFormat_8BitRGBA,
+ /*override_bounce=*/false, deinterlace);
+ if (ret == 1) {
+ Theme *theme = get_theme_updata(L);
+ LiveInputWrapper **live_input = (LiveInputWrapper **)lua_touserdata(L, -1);
+ theme->register_signal_connection(*live_input, *capture);
+ }
+ return ret;
}
int EffectChain_add_effect(lua_State* L)
vector<Effect *> inputs;
for (int idx = 3; idx <= lua_gettop(L); ++idx) {
if (luaL_testudata(L, idx, "LiveInputWrapper")) {
- LiveInputWrapper *input = (LiveInputWrapper *)lua_touserdata(L, idx);
- inputs.push_back(input->get_effect());
+ LiveInputWrapper **input = (LiveInputWrapper **)lua_touserdata(L, idx);
+ inputs.push_back((*input)->get_effect());
} else {
inputs.push_back(get_effect(L, idx));
}
int LiveInputWrapper_connect_signal(lua_State* L)
{
assert(lua_gettop(L) == 2);
- LiveInputWrapper *input = (LiveInputWrapper *)luaL_checkudata(L, 1, "LiveInputWrapper");
+ LiveInputWrapper **input = (LiveInputWrapper **)luaL_checkudata(L, 1, "LiveInputWrapper");
int signal_num = luaL_checknumber(L, 2);
- input->connect_signal(signal_num);
+ (*input)->connect_signal(signal_num);
return 0;
}
return wrap_lua_object_nonowned<ImageInput>(L, "ImageInput", filename);
}
+int VideoInput_new(lua_State* L)
+{
+ assert(lua_gettop(L) == 1);
+ string filename = checkstdstring(L, 1);
+ int ret = wrap_lua_object_nonowned<FFmpegCapture>(L, "VideoInput", filename, global_flags.width, global_flags.height);
+ if (ret == 1) {
+ Theme *theme = get_theme_updata(L);
+ FFmpegCapture **capture = (FFmpegCapture **)lua_touserdata(L, -1);
+ theme->register_video_input(*capture);
+ }
+ return ret;
+}
+
int WhiteBalanceEffect_new(lua_State* L)
{
assert(lua_gettop(L) == 0);
{ "new", EffectChain_new },
{ "__gc", EffectChain_gc },
{ "add_live_input", EffectChain_add_live_input },
+ { "add_video_input", EffectChain_add_video_input },
{ "add_effect", EffectChain_add_effect },
{ "finalize", EffectChain_finalize },
{ NULL, NULL }
{ NULL, NULL }
};
+const luaL_Reg VideoInput_funcs[] = {
+ { "new", VideoInput_new },
+ { NULL, NULL }
+};
+
const luaL_Reg WhiteBalanceEffect_funcs[] = {
{ "new", WhiteBalanceEffect_new },
{ "set_float", Effect_set_float },
} // namespace
-LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain, bool override_bounce, bool deinterlace)
+LiveInputWrapper::LiveInputWrapper(Theme *theme, EffectChain *chain, bmusb::PixelFormat pixel_format, bool override_bounce, bool deinterlace)
: theme(theme),
+ pixel_format(pixel_format),
deinterlace(deinterlace)
{
ImageFormat inout_format;
// So we pick sRGB as the least evil here.
inout_format.gamma_curve = GAMMA_sRGB;
- // The Blackmagic driver docs claim that the device outputs Y'CbCr
- // according to Rec. 601, but practical testing indicates it definitely
- // is Rec. 709 (at least up to errors attributable to rounding errors).
- // Perhaps 601 was only to indicate the subsampling positions, not the
- // colorspace itself? Tested with a Lenovo X1 gen 3 as input.
- YCbCrFormat input_ycbcr_format;
- input_ycbcr_format.chroma_subsampling_x = global_flags.ten_bit_input ? 1 : 2;
- input_ycbcr_format.chroma_subsampling_y = 1;
- input_ycbcr_format.num_levels = global_flags.ten_bit_input ? 1024 : 256;
- input_ycbcr_format.cb_x_position = 0.0;
- input_ycbcr_format.cr_x_position = 0.0;
- input_ycbcr_format.cb_y_position = 0.5;
- input_ycbcr_format.cr_y_position = 0.5;
- input_ycbcr_format.luma_coefficients = YCBCR_REC_709;
- input_ycbcr_format.full_range = false;
-
unsigned num_inputs;
if (deinterlace) {
deinterlace_effect = new movit::DeinterlaceEffect();
} else {
num_inputs = 1;
}
- for (unsigned i = 0; i < num_inputs; ++i) {
- // When using 10-bit input, we're converting to interleaved through v210Converter.
- YCbCrInputSplitting splitting = global_flags.ten_bit_input ? YCBCR_INPUT_INTERLEAVED : YCBCR_INPUT_SPLIT_Y_AND_CBCR;
- if (override_bounce) {
- inputs.push_back(new NonBouncingYCbCrInput(inout_format, input_ycbcr_format, global_flags.width, global_flags.height, splitting));
- } else {
- inputs.push_back(new YCbCrInput(inout_format, input_ycbcr_format, global_flags.width, global_flags.height, splitting));
+
+ if (pixel_format == bmusb::PixelFormat_8BitRGBA) {
+ for (unsigned i = 0; i < num_inputs; ++i) {
+ if (global_flags.can_disable_srgb_decoder) {
+ rgba_inputs.push_back(new sRGBSwitchingFlatInput(inout_format, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, global_flags.width, global_flags.height));
+ } else {
+ rgba_inputs.push_back(new NonsRGBCapableFlatInput(inout_format, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, global_flags.width, global_flags.height));
+ }
+ chain->add_input(rgba_inputs.back());
}
- chain->add_input(inputs.back());
- }
- if (deinterlace) {
- vector<Effect *> reverse_inputs(inputs.rbegin(), inputs.rend());
- chain->add_effect(deinterlace_effect, reverse_inputs);
+ if (deinterlace) {
+ vector<Effect *> reverse_inputs(rgba_inputs.rbegin(), rgba_inputs.rend());
+ chain->add_effect(deinterlace_effect, reverse_inputs);
+ }
+ } else {
+ assert(pixel_format == bmusb::PixelFormat_8BitYCbCr || pixel_format == bmusb::PixelFormat_10BitYCbCr);
+ // The Blackmagic driver docs claim that the device outputs Y'CbCr
+ // according to Rec. 601, but practical testing indicates it definitely
+ // is Rec. 709 (at least up to errors attributable to rounding errors).
+ // Perhaps 601 was only to indicate the subsampling positions, not the
+ // colorspace itself? Tested with a Lenovo X1 gen 3 as input.
+ YCbCrFormat input_ycbcr_format;
+ input_ycbcr_format.chroma_subsampling_x = (pixel_format == bmusb::PixelFormat_10BitYCbCr) ? 1 : 2;
+ input_ycbcr_format.chroma_subsampling_y = 1;
+ input_ycbcr_format.num_levels = (pixel_format == bmusb::PixelFormat_10BitYCbCr) ? 1024 : 256;
+ input_ycbcr_format.cb_x_position = 0.0;
+ input_ycbcr_format.cr_x_position = 0.0;
+ input_ycbcr_format.cb_y_position = 0.5;
+ input_ycbcr_format.cr_y_position = 0.5;
+ input_ycbcr_format.luma_coefficients = YCBCR_REC_709;
+ input_ycbcr_format.full_range = false;
+
+ for (unsigned i = 0; i < num_inputs; ++i) {
+ // When using 10-bit input, we're converting to interleaved through v210Converter.
+ YCbCrInputSplitting splitting = (pixel_format == bmusb::PixelFormat_10BitYCbCr) ? YCBCR_INPUT_INTERLEAVED : YCBCR_INPUT_SPLIT_Y_AND_CBCR;
+ if (override_bounce) {
+ ycbcr_inputs.push_back(new NonBouncingYCbCrInput(inout_format, input_ycbcr_format, global_flags.width, global_flags.height, splitting));
+ } else {
+ ycbcr_inputs.push_back(new YCbCrInput(inout_format, input_ycbcr_format, global_flags.width, global_flags.height, splitting));
+ }
+ chain->add_input(ycbcr_inputs.back());
+ }
+
+ if (deinterlace) {
+ vector<Effect *> reverse_inputs(ycbcr_inputs.rbegin(), ycbcr_inputs.rend());
+ chain->add_effect(deinterlace_effect, reverse_inputs);
+ }
}
}
}
signal_num = theme->map_signal(signal_num);
+ connect_signal_raw(signal_num);
+}
+void LiveInputWrapper::connect_signal_raw(int signal_num)
+{
BufferedFrame first_frame = theme->input_state->buffered_frames[signal_num][0];
if (first_frame.frame == nullptr) {
// No data yet.
}
BufferedFrame last_good_frame = first_frame;
- for (unsigned i = 0; i < inputs.size(); ++i) {
+ for (unsigned i = 0; i < max(ycbcr_inputs.size(), rgba_inputs.size()); ++i) {
BufferedFrame frame = theme->input_state->buffered_frames[signal_num][i];
if (frame.frame == nullptr) {
// Not enough data; reuse last frame (well, field).
}
const PBOFrameAllocator::Userdata *userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
- if (userdata->last_width[frame.field_number] != width ||
- userdata->last_height[frame.field_number] != height) {
+ unsigned this_width = userdata->last_width[frame.field_number];
+ unsigned this_height = userdata->last_height[frame.field_number];
+ if (this_width != width || this_height != height) {
// Resolution changed; reuse last frame/field.
frame = last_good_frame;
userdata = (const PBOFrameAllocator::Userdata *)frame.frame->userdata;
}
- if (global_flags.ten_bit_input) {
- inputs[i]->set_texture_num(0, userdata->tex_444[frame.field_number]);
- } else {
- inputs[i]->set_texture_num(0, userdata->tex_y[frame.field_number]);
- inputs[i]->set_texture_num(1, userdata->tex_cbcr[frame.field_number]);
+ assert(userdata->pixel_format == pixel_format);
+ switch (pixel_format) {
+ case bmusb::PixelFormat_8BitYCbCr:
+ ycbcr_inputs[i]->set_texture_num(0, userdata->tex_y[frame.field_number]);
+ ycbcr_inputs[i]->set_texture_num(1, userdata->tex_cbcr[frame.field_number]);
+ ycbcr_inputs[i]->set_width(this_width);
+ ycbcr_inputs[i]->set_height(this_height);
+ break;
+ case bmusb::PixelFormat_10BitYCbCr:
+ ycbcr_inputs[i]->set_texture_num(0, userdata->tex_444[frame.field_number]);
+ ycbcr_inputs[i]->set_width(this_width);
+ ycbcr_inputs[i]->set_height(this_height);
+ break;
+ case bmusb::PixelFormat_8BitRGBA:
+ rgba_inputs[i]->set_texture_num(userdata->tex_rgba[frame.field_number]);
+ rgba_inputs[i]->set_width(this_width);
+ rgba_inputs[i]->set_height(this_height);
+ break;
+ default:
+ assert(false);
}
- inputs[i]->set_width(userdata->last_width[frame.field_number]);
- inputs[i]->set_height(userdata->last_height[frame.field_number]);
last_good_frame = frame;
}
register_class("EffectChain", EffectChain_funcs);
register_class("LiveInputWrapper", LiveInputWrapper_funcs);
register_class("ImageInput", ImageInput_funcs);
+ register_class("VideoInput", VideoInput_funcs);
register_class("WhiteBalanceEffect", WhiteBalanceEffect_funcs);
register_class("ResampleEffect", ResampleEffect_funcs);
register_class("PaddingEffect", PaddingEffect_funcs);