using namespace std;
using namespace std::chrono;
using namespace bmusb;
+using namespace movit;
namespace {
return (buf.st_mtim.tv_sec != ts.tv_sec || buf.st_mtim.tv_nsec != ts.tv_nsec);
}
+bool is_full_range(const AVPixFmtDescriptor *desc)
+{
+ // This is horrible, but there's no better way that I know of.
+ return (strchr(desc->name, 'j') != nullptr);
+}
+
+AVPixelFormat decide_dst_format(AVPixelFormat src_format, bmusb::PixelFormat dst_format_type)
+{
+ if (dst_format_type == bmusb::PixelFormat_8BitBGRA) {
+ return AV_PIX_FMT_BGRA;
+ }
+
+ assert(dst_format_type == bmusb::PixelFormat_8BitYCbCrPlanar);
+
+ // If this is a non-Y'CbCr format, just convert to 4:4:4 Y'CbCr
+ // and be done with it. It's too strange to spend a lot of time on.
+ // (Let's hope there's no alpha.)
+ const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_format);
+ if (src_desc == nullptr ||
+ src_desc->nb_components != 3 ||
+ (src_desc->flags & AV_PIX_FMT_FLAG_RGB)) {
+ return AV_PIX_FMT_YUV444P;
+ }
+
+ // The best for us would be Cb and Cr together if possible,
+ // but FFmpeg doesn't support that except in the special case of
+ // NV12, so we need to go to planar even for the case of NV12.
+ // Thus, look for the closest (but no worse) 8-bit planar Y'CbCr format
+ // that matches in color range. (This will also include the case of
+ // the source format already being acceptable.)
+ bool src_full_range = is_full_range(src_desc);
+ const char *best_format = "yuv444p";
+ unsigned best_score = numeric_limits<unsigned>::max();
+ for (const AVPixFmtDescriptor *desc = av_pix_fmt_desc_next(nullptr);
+ desc;
+ desc = av_pix_fmt_desc_next(desc)) {
+ // Find planar Y'CbCr formats only.
+ if (desc->nb_components != 3) continue;
+ if (desc->flags & AV_PIX_FMT_FLAG_RGB) continue;
+ if (!(desc->flags & AV_PIX_FMT_FLAG_PLANAR)) continue;
+ if (desc->comp[0].plane != 0 ||
+ desc->comp[1].plane != 1 ||
+ desc->comp[2].plane != 2) continue;
+
+ // 8-bit formats only.
+ if (desc->flags & AV_PIX_FMT_FLAG_BE) continue;
+ if (desc->comp[0].depth != 8) continue;
+
+ // Same or better chroma resolution only.
+ int chroma_w_diff = desc->log2_chroma_w - src_desc->log2_chroma_w;
+ int chroma_h_diff = desc->log2_chroma_h - src_desc->log2_chroma_h;
+ if (chroma_w_diff < 0 || chroma_h_diff < 0)
+ continue;
+
+ // Matching full/limited range only.
+ if (is_full_range(desc) != src_full_range)
+ continue;
+
+ // Pick something with as little excess chroma resolution as possible.
+ unsigned score = (1 << (chroma_w_diff)) << chroma_h_diff;
+ if (score < best_score) {
+ best_score = score;
+ best_format = desc->name;
+ }
+ }
+ return av_get_pix_fmt(best_format);
+}
+
+YCbCrFormat decode_ycbcr_format(const AVPixFmtDescriptor *desc, const AVFrame *frame)
+{
+ YCbCrFormat format;
+ AVColorSpace colorspace = av_frame_get_colorspace(frame);
+ switch (colorspace) {
+ case AVCOL_SPC_BT709:
+ format.luma_coefficients = YCBCR_REC_709;
+ break;
+ case AVCOL_SPC_BT470BG:
+ case AVCOL_SPC_SMPTE170M:
+ case AVCOL_SPC_SMPTE240M:
+ format.luma_coefficients = YCBCR_REC_601;
+ break;
+ case AVCOL_SPC_BT2020_NCL:
+ format.luma_coefficients = YCBCR_REC_2020;
+ break;
+ case AVCOL_SPC_UNSPECIFIED:
+ format.luma_coefficients = (frame->height >= 720 ? YCBCR_REC_709 : YCBCR_REC_601);
+ break;
+ default:
+ fprintf(stderr, "Unknown Y'CbCr coefficient enum %d from FFmpeg; choosing Rec. 709.\n",
+ colorspace);
+ format.luma_coefficients = YCBCR_REC_709;
+ break;
+ }
+
+ format.full_range = is_full_range(desc);
+ format.num_levels = 1 << desc->comp[0].depth;
+ format.chroma_subsampling_x = 1 << desc->log2_chroma_w;
+ format.chroma_subsampling_y = 1 << desc->log2_chroma_h;
+
+ switch (frame->chroma_location) {
+ case AVCHROMA_LOC_LEFT:
+ format.cb_x_position = 0.0;
+ format.cb_y_position = 0.5;
+ break;
+ case AVCHROMA_LOC_CENTER:
+ format.cb_x_position = 0.5;
+ format.cb_y_position = 0.5;
+ break;
+ case AVCHROMA_LOC_TOPLEFT:
+ format.cb_x_position = 0.0;
+ format.cb_y_position = 0.0;
+ break;
+ case AVCHROMA_LOC_TOP:
+ format.cb_x_position = 0.5;
+ format.cb_y_position = 0.0;
+ break;
+ case AVCHROMA_LOC_BOTTOMLEFT:
+ format.cb_x_position = 0.0;
+ format.cb_y_position = 1.0;
+ break;
+ case AVCHROMA_LOC_BOTTOM:
+ format.cb_x_position = 0.5;
+ format.cb_y_position = 1.0;
+ break;
+ default:
+ fprintf(stderr, "Unknown chroma location coefficient enum %d from FFmpeg; choosing Rec. 709.\n",
+ frame->chroma_location);
+ format.cb_x_position = 0.5;
+ format.cb_y_position = 0.5;
+ break;
+ }
+
+ format.cr_x_position = format.cb_x_position;
+ format.cr_y_position = format.cb_y_position;
+ return format;
+}
+
} // namespace
FFmpegCapture::FFmpegCapture(const string &filename, unsigned width, unsigned height)
double rate = 1.0;
unique_ptr<SwsContext, decltype(sws_freeContext)*> sws_ctx(nullptr, sws_freeContext);
- int sws_last_width = -1, sws_last_height = -1;
+ int sws_last_width = -1, sws_last_height = -1, sws_last_src_format = -1;
+ AVPixelFormat sws_dst_format = AVPixelFormat(-1); // In practice, always initialized.
// Main loop.
while (!producer_thread_should_quit.should_quit()) {
continue;
}
- if (sws_ctx == nullptr || sws_last_width != frame->width || sws_last_height != frame->height) {
+ if (sws_ctx == nullptr ||
+ sws_last_width != frame->width ||
+ sws_last_height != frame->height ||
+ sws_last_src_format != frame->format) {
+ sws_dst_format = decide_dst_format(AVPixelFormat(frame->format), pixel_format);
sws_ctx.reset(
- sws_getContext(frame->width, frame->height, (AVPixelFormat)frame->format,
- width, height, AV_PIX_FMT_BGRA,
+ sws_getContext(frame->width, frame->height, AVPixelFormat(frame->format),
+ width, height, sws_dst_format,
SWS_BICUBIC, nullptr, nullptr, nullptr));
sws_last_width = frame->width;
sws_last_height = frame->height;
+ sws_last_src_format = frame->format;
}
if (sws_ctx == nullptr) {
fprintf(stderr, "%s: Could not create scaler context\n", pathname.c_str());
VideoFormat video_format;
video_format.width = width;
video_format.height = height;
- video_format.stride = width * 4;
+ if (pixel_format == bmusb::PixelFormat_8BitBGRA) {
+ video_format.stride = width * 4;
+ } else {
+ assert(pixel_format == bmusb::PixelFormat_8BitYCbCrPlanar);
+ video_format.stride = width;
+ }
video_format.frame_rate_nom = video_timebase.den;
video_format.frame_rate_den = av_frame_get_pkt_duration(frame.get()) * video_timebase.num;
if (video_format.frame_rate_nom == 0 || video_format.frame_rate_den == 0) {
FrameAllocator::Frame video_frame = video_frame_allocator->alloc_frame();
if (video_frame.data != nullptr) {
- uint8_t *pic_data[4] = { video_frame.data, nullptr, nullptr, nullptr };
- int linesizes[4] = { int(video_format.stride), 0, 0, 0 };
+ uint8_t *pic_data[4] = { nullptr, nullptr, nullptr, nullptr };
+ int linesizes[4] = { 0, 0, 0, 0 };
+ if (pixel_format == bmusb::PixelFormat_8BitBGRA) {
+ pic_data[0] = video_frame.data;
+ linesizes[0] = video_format.stride;
+ video_frame.len = video_format.stride * height;
+ } else {
+ assert(pixel_format == bmusb::PixelFormat_8BitYCbCrPlanar);
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(sws_dst_format);
+
+ int chroma_width = AV_CEIL_RSHIFT(int(width), desc->log2_chroma_w);
+ int chroma_height = AV_CEIL_RSHIFT(int(height), desc->log2_chroma_h);
+
+ pic_data[0] = video_frame.data;
+ linesizes[0] = width;
+
+ pic_data[1] = pic_data[0] + width * height;
+ linesizes[1] = chroma_width;
+
+ pic_data[2] = pic_data[1] + chroma_width * chroma_height;
+ linesizes[2] = chroma_width;
+
+ video_frame.len = width * height + 2 * chroma_width * chroma_height;
+
+ current_frame_ycbcr_format = decode_ycbcr_format(desc, frame.get());
+ }
sws_scale(sws_ctx.get(), frame->data, frame->linesize, 0, frame->height, pic_data, linesizes);
- video_frame.len = video_format.stride * height;
video_frame.received_timestamp = next_frame_start;
}
#include <string>
#include <thread>
+#include <movit/ycbcr.h>
+
#include "bmusb/bmusb.h"
#include "quittable_sleeper.h"
frame_callback = callback;
}
+ // Used to get precise information about the Y'CbCr format used
+ // for a given frame. Only valid to call during the frame callback,
+ // and only when receiving a frame with pixel format PixelFormat_8BitYCbCrPlanar.
+ movit::YCbCrFormat get_current_frame_ycbcr_format() const
+ {
+ return current_frame_ycbcr_format;
+ }
+
void set_dequeue_thread_callbacks(std::function<void()> init, std::function<void()> cleanup) override
{
dequeue_init_callback = init;
uint32_t get_current_video_mode() const override { return 0; }
std::set<bmusb::PixelFormat> get_available_pixel_formats() const override {
- return std::set<bmusb::PixelFormat>{ bmusb::PixelFormat_8BitBGRA };
+ return std::set<bmusb::PixelFormat>{ bmusb::PixelFormat_8BitBGRA, bmusb::PixelFormat_8BitYCbCrPlanar };
}
void set_pixel_format(bmusb::PixelFormat pixel_format) override {
- assert(pixel_format == bmusb::PixelFormat_8BitBGRA);
+ this->pixel_format = pixel_format;
}
bmusb::PixelFormat get_current_pixel_format() const override {
- return bmusb::PixelFormat_8BitBGRA;
+ return pixel_format;
}
std::map<uint32_t, std::string> get_available_video_inputs() const override {
std::string description, filename;
uint16_t timecode = 0;
unsigned width, height;
+ bmusb::PixelFormat pixel_format = bmusb::PixelFormat_8BitBGRA;
+ movit::YCbCrFormat current_frame_ycbcr_format;
bool running = false;
int card_index = -1;
}
}
-void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned field, unsigned width, unsigned height, unsigned v210_width)
+void ensure_texture_resolution(PBOFrameAllocator::Userdata *userdata, unsigned field, unsigned width, unsigned height, unsigned cbcr_width, unsigned cbcr_height, unsigned v210_width)
{
bool first;
switch (userdata->pixel_format) {
case PixelFormat_8BitBGRA:
first = userdata->tex_rgba[field] == 0;
break;
+ case PixelFormat_8BitYCbCrPlanar:
+ first = userdata->tex_y[field] == 0 || userdata->tex_cb[field] == 0 || userdata->tex_cr[field] == 0;
+ break;
default:
assert(false);
}
if (first ||
width != userdata->last_width[field] ||
- height != userdata->last_height[field]) {
+ height != userdata->last_height[field] ||
+ cbcr_width != userdata->last_cbcr_width[field] ||
+ cbcr_height != userdata->last_cbcr_height[field]) {
// We changed resolution since last use of this texture, so we need to create
// a new object. Note that this each card has its own PBOFrameAllocator,
// we don't need to worry about these flip-flopping between resolutions.
check_error();
break;
case PixelFormat_8BitYCbCr: {
- size_t cbcr_width = width / 2;
-
glBindTexture(GL_TEXTURE_2D, userdata->tex_cbcr[field]);
check_error();
glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, cbcr_width, height, 0, GL_RG, GL_UNSIGNED_BYTE, nullptr);
check_error();
break;
}
+ case PixelFormat_8BitYCbCrPlanar: {
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_y[field]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_cb[field]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, cbcr_width, cbcr_height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, userdata->tex_cr[field]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, cbcr_width, cbcr_height, 0, GL_RED, GL_UNSIGNED_BYTE, nullptr);
+ check_error();
+ break;
+ }
case PixelFormat_8BitBGRA:
glBindTexture(GL_TEXTURE_2D, userdata->tex_rgba[field]);
check_error();
}
userdata->last_width[field] = width;
userdata->last_height[field] = height;
+ userdata->last_cbcr_width[field] = cbcr_width;
+ userdata->last_cbcr_height[field] = cbcr_height;
}
if (global_flags.ten_bit_input &&
(first || v210_width != userdata->last_v210_width[field])) {
}
card->capture.reset(capture);
card->is_fake_capture = (card_type == CardType::FAKE_CAPTURE);
+ card->type = card_type;
if (card->output.get() != output) {
card->output.reset(output);
}
card->last_timecode = timecode;
+ PBOFrameAllocator::Userdata *userdata = (PBOFrameAllocator::Userdata *)video_frame.userdata;
+
+ size_t cbcr_width, cbcr_height, cbcr_offset, y_offset;
size_t expected_length = video_format.stride * (video_format.height + video_format.extra_lines_top + video_format.extra_lines_bottom);
+ if (userdata != nullptr && userdata->pixel_format == PixelFormat_8BitYCbCrPlanar) {
+ // The calculation above is wrong for planar Y'CbCr, so just override it.
+ assert(card->type == CardType::FFMPEG_INPUT);
+ assert(video_offset == 0);
+ expected_length = video_frame.len;
+
+ userdata->ycbcr_format = (static_cast<FFmpegCapture *>(card->capture.get()))->get_current_frame_ycbcr_format();
+ cbcr_width = video_format.width / userdata->ycbcr_format.chroma_subsampling_x;
+ cbcr_height = video_format.height / userdata->ycbcr_format.chroma_subsampling_y;
+ cbcr_offset = video_format.width * video_format.height;
+ y_offset = 0;
+ } else {
+ // All the other Y'CbCr formats are 4:2:2.
+ cbcr_width = video_format.width / 2;
+ cbcr_height = video_format.height;
+ cbcr_offset = video_offset / 2;
+ y_offset = video_frame.size / 2 + video_offset / 2;
+ }
if (video_frame.len - video_offset == 0 ||
video_frame.len - video_offset != expected_length) {
if (video_frame.len != 0) {
return;
}
- PBOFrameAllocator::Userdata *userdata = (PBOFrameAllocator::Userdata *)video_frame.userdata;
-
unsigned num_fields = video_format.interlaced ? 2 : 1;
steady_clock::time_point frame_upload_start;
bool interlaced_stride = false;
RefCountedFrame frame(video_frame);
// Upload the textures.
- const size_t cbcr_width = video_format.width / 2;
- const size_t cbcr_offset = video_offset / 2;
- const size_t y_offset = video_frame.size / 2 + video_offset / 2;
-
for (unsigned field = 0; field < num_fields; ++field) {
// Put the actual texture upload in a lambda that is executed in the main thread.
// It is entirely possible to do this in the same thread (and it might even be
// Note that this means we must hold on to the actual frame data in <userdata>
// until the upload command is run, but we hold on to <frame> much longer than that
// (in fact, all the way until we no longer use the texture in rendering).
- auto upload_func = [this, field, video_format, y_offset, video_offset, cbcr_offset, cbcr_width, interlaced_stride, userdata]() {
+ auto upload_func = [this, field, video_format, y_offset, video_offset, cbcr_offset, cbcr_width, cbcr_height, interlaced_stride, userdata]() {
unsigned field_start_line;
if (field == 1) {
field_start_line = video_format.second_field_start;
// For anything not FRAME_FORMAT_YCBCR_10BIT, v210_width will be nonsensical but not used.
size_t v210_width = video_format.stride / sizeof(uint32_t);
- ensure_texture_resolution(userdata, field, video_format.width, video_format.height, v210_width);
+ ensure_texture_resolution(userdata, field, video_format.width, video_format.height, cbcr_width, cbcr_height, v210_width);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, userdata->pbo);
check_error();
// Make up our own strides, since we are interleaving.
upload_texture(userdata->tex_y[field], video_format.width, video_format.height, video_format.width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_y_start);
- upload_texture(userdata->tex_cbcr[field], cbcr_width, video_format.height, cbcr_width * sizeof(uint16_t), interlaced_stride, GL_RG, GL_UNSIGNED_BYTE, field_cbcr_start);
+ upload_texture(userdata->tex_cbcr[field], cbcr_width, cbcr_height, cbcr_width * sizeof(uint16_t), interlaced_stride, GL_RG, GL_UNSIGNED_BYTE, field_cbcr_start);
+ break;
+ }
+ case PixelFormat_8BitYCbCrPlanar: {
+ assert(field_start_line == 0); // We don't really support interlaced here.
+ size_t field_y_start = y_offset;
+ size_t field_cb_start = cbcr_offset;
+ size_t field_cr_start = cbcr_offset + cbcr_width * cbcr_height;
+
+ // Make up our own strides, since we are interleaving.
+ upload_texture(userdata->tex_y[field], video_format.width, video_format.height, video_format.width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_y_start);
+ upload_texture(userdata->tex_cb[field], cbcr_width, cbcr_height, cbcr_width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_cb_start);
+ upload_texture(userdata->tex_cr[field], cbcr_width, cbcr_height, cbcr_width, interlaced_stride, GL_RED, GL_UNSIGNED_BYTE, field_cr_start);
break;
}
case PixelFormat_8BitBGRA: {
struct CaptureCard {
std::unique_ptr<bmusb::CaptureInterface> capture;
bool is_fake_capture;
+ CardType type;
std::unique_ptr<DeckLinkOutput> output;
// If this card is used for output (ie., output_card_index points to it),
using namespace std;
+namespace {
+
+void set_clamp_to_edge()
+{
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ check_error();
+}
+
+} // namespace
+
PBOFrameAllocator::PBOFrameAllocator(bmusb::PixelFormat pixel_format, size_t frame_size, GLuint width, GLuint height, size_t num_queued_frames, GLenum buffer, GLenum permissions, GLenum map_bits)
: pixel_format(pixel_format), buffer(buffer)
{
userdata[i].pixel_format = pixel_format;
frame.owner = this;
- // For 8-bit Y'CbCr, we ask the driver to split Y' and Cb/Cr
+ // For 8-bit non-planar Y'CbCr, we ask the driver to split Y' and Cb/Cr
// into separate textures. For 10-bit, the input format (v210)
// is complicated enough that we need to interpolate up to 4:4:4,
// which we do in a compute shader ourselves. For BGRA, the data
glGenTextures(2, userdata[i].tex_rgba);
check_error();
break;
+ case bmusb::PixelFormat_8BitYCbCrPlanar:
+ glGenTextures(2, userdata[i].tex_y);
+ check_error();
+ glGenTextures(2, userdata[i].tex_cb);
+ check_error();
+ glGenTextures(2, userdata[i].tex_cr);
+ check_error();
+ break;
+ default:
+ assert(false);
}
userdata[i].last_width[0] = width;
userdata[i].last_height[0] = height;
+ userdata[i].last_cbcr_width[0] = width / 2;
+ userdata[i].last_cbcr_height[0] = height;
userdata[i].last_v210_width[0] = 0;
userdata[i].last_width[1] = 0;
userdata[i].last_height[1] = 0;
+ userdata[i].last_cbcr_width[1] = 0;
+ userdata[i].last_cbcr_height[1] = 0;
userdata[i].last_v210_width[1] = 0;
userdata[i].last_interlaced = false;
glBindTexture(GL_TEXTURE_2D, userdata[i].tex_444[field]);
check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- check_error();
+ set_clamp_to_edge();
if (field == 0) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB10_A2, width, height, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, NULL);
check_error();
case bmusb::PixelFormat_8BitYCbCr:
glBindTexture(GL_TEXTURE_2D, userdata[i].tex_y[field]);
check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- check_error();
+ set_clamp_to_edge();
if (field == 0) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
check_error();
glBindTexture(GL_TEXTURE_2D, userdata[i].tex_cbcr[field]);
check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- check_error();
+ set_clamp_to_edge();
if (field == 0) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RG8, width / 2, height, 0, GL_RG, GL_UNSIGNED_BYTE, NULL);
check_error();
case bmusb::PixelFormat_8BitBGRA:
glBindTexture(GL_TEXTURE_2D, userdata[i].tex_rgba[field]);
check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- check_error();
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- check_error();
+ set_clamp_to_edge();
if (field == 0) {
if (global_flags.can_disable_srgb_decoder) { // See the comments in tweaked_inputs.h.
glTexImage2D(GL_TEXTURE_2D, 0, GL_SRGB8_ALPHA8, width, height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
check_error();
}
break;
+ case bmusb::PixelFormat_8BitYCbCrPlanar:
+ glBindTexture(GL_TEXTURE_2D, userdata[i].tex_y[field]);
+ check_error();
+ set_clamp_to_edge();
+ if (field == 0) {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width, height, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
+ check_error();
+ }
+
+ glBindTexture(GL_TEXTURE_2D, userdata[i].tex_cb[field]);
+ check_error();
+ set_clamp_to_edge();
+ if (field == 0) {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width / 2, height, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
+ check_error();
+ }
+
+ glBindTexture(GL_TEXTURE_2D, userdata[i].tex_cr[field]);
+ check_error();
+ set_clamp_to_edge();
+ if (field == 0) {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R8, width / 2, height, 0, GL_RED, GL_UNSIGNED_BYTE, NULL);
+ check_error();
+ }
+ break;
default:
assert(false);
}
glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_rgba);
check_error();
break;
+ case bmusb::PixelFormat_8BitYCbCrPlanar:
+ glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_y);
+ check_error();
+ glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_cb);
+ check_error();
+ glDeleteTextures(2, ((Userdata *)frame.userdata)->tex_cr);
+ check_error();
+ break;
default:
assert(false);
}
#include <mutex>
#include <queue>
+#include <movit/ycbcr.h>
+
#include "bmusb/bmusb.h"
// An allocator that allocates straight into OpenGL pinned memory.
// freely at runtime.
bmusb::PixelFormat pixel_format;
+ // Used only for PixelFormat_8BitYCbCrPlanar.
+ movit::YCbCrFormat ycbcr_format;
+
// The second set is only used for the second field of interlaced inputs.
GLuint tex_y[2], tex_cbcr[2]; // For PixelFormat_8BitYCbCr.
+ GLuint tex_cb[2], tex_cr[2]; // For PixelFormat_8BitYCbCrPlanar (which also uses tex_y).
GLuint tex_v210[2], tex_444[2]; // For PixelFormat_10BitYCbCr.
GLuint tex_rgba[2]; // For PixelFormat_8BitBGRA.
GLuint last_width[2], last_height[2];
+ GLuint last_cbcr_width[2], last_cbcr_height[2];
GLuint last_v210_width[2]; // PixelFormat_10BitYCbCr.
bool last_interlaced, last_has_signal, last_is_connected;
unsigned last_frame_rate_nom, last_frame_rate_den;
chain->add_effect(deinterlace_effect, reverse_inputs);
}
} else {
- assert(pixel_format == bmusb::PixelFormat_8BitYCbCr || pixel_format == bmusb::PixelFormat_10BitYCbCr);
+ assert(pixel_format == bmusb::PixelFormat_8BitYCbCr ||
+ pixel_format == bmusb::PixelFormat_10BitYCbCr ||
+ pixel_format == bmusb::PixelFormat_8BitYCbCrPlanar);
+
+ // Most of these settings will be overridden later if using PixelFormat_8BitYCbCrPlanar.
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.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; // Will be overridden later.
- input_ycbcr_format.full_range = false; // Will be overridden later.
+ input_ycbcr_format.luma_coefficients = YCBCR_REC_709; // Will be overridden later even if not planar.
+ input_ycbcr_format.full_range = false; // Will be overridden later even if not planar.
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;
+ YCbCrInputSplitting splitting;
+ if (pixel_format == bmusb::PixelFormat_10BitYCbCr) {
+ splitting = YCBCR_INPUT_INTERLEAVED;
+ } else if (pixel_format == bmusb::PixelFormat_8BitYCbCr) {
+ splitting = YCBCR_INPUT_SPLIT_Y_AND_CBCR;
+ } else {
+ splitting = YCBCR_INPUT_PLANAR;
+ }
if (override_bounce) {
ycbcr_inputs.push_back(new NonBouncingYCbCrInput(inout_format, input_ycbcr_format, global_flags.width, global_flags.height, splitting));
} else {
ycbcr_inputs[i]->set_width(width);
ycbcr_inputs[i]->set_height(height);
break;
+ case bmusb::PixelFormat_8BitYCbCrPlanar:
+ ycbcr_inputs[i]->set_texture_num(0, userdata->tex_y[frame.field_number]);
+ ycbcr_inputs[i]->set_texture_num(1, userdata->tex_cb[frame.field_number]);
+ ycbcr_inputs[i]->set_texture_num(2, userdata->tex_cr[frame.field_number]);
+ ycbcr_inputs[i]->change_ycbcr_format(userdata->ycbcr_format);
+ ycbcr_inputs[i]->set_width(width);
+ ycbcr_inputs[i]->set_height(height);
+ break;
case bmusb::PixelFormat_10BitYCbCr:
ycbcr_inputs[i]->set_texture_num(0, userdata->tex_444[frame.field_number]);
ycbcr_inputs[i]->change_ycbcr_format(input_ycbcr_format);
projects / nageru / commitdiff