X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fimage.cc;h=f0a38f4e9418bdd941f86950279e4962434de779;hb=a0856e3fbef17f24073b01cb96be6bbcb229ecbc;hp=3afb6205eb21f11245ac8e3f3e41e48f8b2738d6;hpb=d58f9adc515ac0c0193a4998fed3605f4e2c6e11;p=dcpomatic.git diff --git a/src/lib/image.cc b/src/lib/image.cc index 3afb6205e..f0a38f4e9 100644 --- a/src/lib/image.cc +++ b/src/lib/image.cc @@ -35,11 +35,14 @@ extern "C" { #include #include #include +#include } #include "image.h" #include "exceptions.h" #include "scaler.h" +#include "i18n.h" + using namespace std; using namespace boost; using libdcp::Size; @@ -56,51 +59,44 @@ Image::swap (Image& other) int Image::lines (int n) const { - switch (_pixel_format) { - case PIX_FMT_YUV420P: - if (n == 0) { - return size().height; - } else { - return size().height / 2; - } - break; - case PIX_FMT_RGB24: - case PIX_FMT_RGBA: - case PIX_FMT_YUV422P10LE: - case PIX_FMT_YUV422P: + if (n == 0) { return size().height; - default: - assert (false); } - - return 0; + + AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format); + if (!d) { + throw PixelFormatError (N_("lines()"), _pixel_format); + } + + return size().height / pow(2.0f, d->log2_chroma_h); } /** @return Number of components */ int Image::components () const { - switch (_pixel_format) { - case PIX_FMT_YUV420P: - case PIX_FMT_YUV422P10LE: - case PIX_FMT_YUV422P: - return 3; - case PIX_FMT_RGB24: - case PIX_FMT_RGBA: - return 1; - default: - assert (false); + AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format); + if (!d) { + throw PixelFormatError (N_("components()"), _pixel_format); } - return 0; + if ((d->flags & PIX_FMT_PLANAR) == 0) { + return 1; + } + + return d->nb_components; } shared_ptr -Image::scale (Size out_size, Scaler const * scaler, bool aligned) const +Image::scale (libdcp::Size out_size, Scaler const * scaler, bool result_aligned) const { assert (scaler); + /* Empirical testing suggests that sws_scale() will crash if + the input image is not aligned. + */ + assert (aligned ()); - shared_ptr scaled (new SimpleImage (pixel_format(), out_size, aligned)); + shared_ptr scaled (new SimpleImage (pixel_format(), out_size, result_aligned)); struct SwsContext* scale_context = sws_getContext ( size().width, size().height, pixel_format(), @@ -125,18 +121,19 @@ Image::scale (Size out_size, Scaler const * scaler, bool aligned) const * @param scaler Scaler to use. */ shared_ptr -Image::scale_and_convert_to_rgb (Size out_size, int padding, Scaler const * scaler, bool aligned) const +Image::scale_and_convert_to_rgb (libdcp::Size out_size, Scaler const * scaler, bool result_aligned) const { assert (scaler); + /* Empirical testing suggests that sws_scale() will crash if + the input image is not aligned. + */ + assert (aligned ()); - Size content_size = out_size; - content_size.width -= (padding * 2); - - shared_ptr rgb (new SimpleImage (PIX_FMT_RGB24, content_size, aligned)); + shared_ptr rgb (new SimpleImage (PIX_FMT_RGB24, out_size, result_aligned)); struct SwsContext* scale_context = sws_getContext ( size().width, size().height, pixel_format(), - content_size.width, content_size.height, PIX_FMT_RGB24, + out_size.width, out_size.height, PIX_FMT_RGB24, scaler->ffmpeg_id (), 0, 0, 0 ); @@ -148,28 +145,6 @@ Image::scale_and_convert_to_rgb (Size out_size, int padding, Scaler const * scal rgb->data(), rgb->stride() ); - /* Put the image in the right place in a black frame if are padding; this is - a bit grubby and expensive, but probably inconsequential in the great - scheme of things. - */ - if (padding > 0) { - shared_ptr padded_rgb (new SimpleImage (PIX_FMT_RGB24, out_size, aligned)); - padded_rgb->make_black (); - - /* XXX: we are cheating a bit here; we know the frame is RGB so we can - make assumptions about its composition. - */ - uint8_t* p = padded_rgb->data()[0] + padding * 3; - uint8_t* q = rgb->data()[0]; - for (int j = 0; j < rgb->lines(0); ++j) { - memcpy (p, q, rgb->line_size()[0]); - p += padded_rgb->stride()[0]; - q += rgb->stride()[0]; - } - - rgb = padded_rgb; - } - sws_freeContext (scale_context); return rgb; @@ -191,10 +166,17 @@ Image::post_process (string pp, bool aligned) const break; case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV422P: + case PIX_FMT_UYVY422: pp_format = PP_FORMAT_422; break; + case PIX_FMT_YUV444P: + case PIX_FMT_YUV444P9BE: + case PIX_FMT_YUV444P9LE: + case PIX_FMT_YUV444P10BE: + case PIX_FMT_YUV444P10LE: + pp_format = PP_FORMAT_444; default: - assert (false); + throw PixelFormatError (N_("post_process"), pixel_format()); } pp_mode* mode = pp_get_mode_by_name_and_quality (pp.c_str (), PP_QUALITY_MAX); @@ -216,7 +198,7 @@ Image::post_process (string pp, bool aligned) const shared_ptr Image::crop (Crop crop, bool aligned) const { - Size cropped_size = size (); + libdcp::Size cropped_size = size (); cropped_size.width -= crop.left + crop.right; cropped_size.height -= crop.top + crop.bottom; @@ -232,44 +214,104 @@ Image::crop (Crop crop, bool aligned) const for (int y = 0; y < cropped_size.height; ++y) { memcpy (out_p, in_p + crop_left_in_bytes, cropped_width_in_bytes); - in_p += line_size()[c]; - out_p += out->line_size()[c]; + in_p += stride()[c]; + out_p += out->stride()[c]; } } return out; } +/** Blacken a YUV image whose bits per pixel is rounded up to 16 */ +void +Image::yuv_16_black (uint16_t v) +{ + memset (data()[0], 0, lines(0) * stride()[0]); + for (int i = 1; i < 3; ++i) { + int16_t* p = reinterpret_cast (data()[i]); + for (int y = 0; y < size().height; ++y) { + for (int x = 0; x < line_size()[i] / 2; ++x) { + p[x] = v; + } + p += stride()[i] / 2; + } + } +} + +uint16_t +Image::swap_16 (uint16_t v) +{ + return ((v >> 8) & 0xff) | ((v & 0xff) << 8); +} + void Image::make_black () { + /* U/V black value for 8-bit colour */ + static uint8_t const eight_bit_uv = (1 << 7) - 1; + /* U/V black value for 9-bit colour */ + static uint16_t const nine_bit_uv = (1 << 8) - 1; + /* U/V black value for 10-bit colour */ + static uint16_t const ten_bit_uv = (1 << 9) - 1; + /* U/V black value for 16-bit colour */ + static uint16_t const sixteen_bit_uv = (1 << 15) - 1; + switch (_pixel_format) { case PIX_FMT_YUV420P: case PIX_FMT_YUV422P: + case PIX_FMT_YUV444P: memset (data()[0], 0, lines(0) * stride()[0]); - memset (data()[1], 0x7f, lines(1) * stride()[1]); - memset (data()[2], 0x7f, lines(2) * stride()[2]); + memset (data()[1], eight_bit_uv, lines(1) * stride()[1]); + memset (data()[2], eight_bit_uv, lines(2) * stride()[2]); + break; + + case PIX_FMT_YUV422P9LE: + case PIX_FMT_YUV444P9LE: + yuv_16_black (nine_bit_uv); break; + case PIX_FMT_YUV422P9BE: + case PIX_FMT_YUV444P9BE: + yuv_16_black (swap_16 (nine_bit_uv)); + break; + case PIX_FMT_YUV422P10LE: - memset (data()[0], 0, lines(0) * stride()[0]); - for (int i = 1; i < 3; ++i) { - int16_t* p = reinterpret_cast (data()[i]); - for (int y = 0; y < size().height; ++y) { - for (int x = 0; x < line_size()[i] / 2; ++x) { - p[x] = (1 << 9) - 1; - } - p += stride()[i] / 2; - } - } + case PIX_FMT_YUV444P10LE: + yuv_16_black (ten_bit_uv); + break; + + case PIX_FMT_YUV422P16LE: + case PIX_FMT_YUV444P16LE: + yuv_16_black (sixteen_bit_uv); break; + case PIX_FMT_YUV444P10BE: + case PIX_FMT_YUV422P10BE: + yuv_16_black (swap_16 (ten_bit_uv)); + break; + case PIX_FMT_RGB24: memset (data()[0], 0, lines(0) * stride()[0]); break; + case PIX_FMT_UYVY422: + { + int const Y = lines(0); + int const X = line_size()[0]; + uint8_t* p = data()[0]; + for (int y = 0; y < Y; ++y) { + for (int x = 0; x < X / 4; ++x) { + *p++ = eight_bit_uv; // Cb + *p++ = 0; // Y0 + *p++ = eight_bit_uv; // Cr + *p++ = 0; // Y1 + } + } + break; + } + default: - assert (false); + throw PixelFormatError (N_("make_black()"), _pixel_format); } } @@ -309,13 +351,28 @@ Image::alpha_blend (shared_ptr other, Position position) } } +void +Image::copy (shared_ptr other, Position position) +{ + /* Only implemented for RGB24 onto RGB24 so far */ + assert (_pixel_format == PIX_FMT_RGB24 && other->pixel_format() == PIX_FMT_RGB24); + assert (position.x >= 0 && position.y >= 0); + + int const N = min (position.x + other->size().width, size().width) - position.x; + for (int ty = position.y, oy = 0; ty < size().height && oy < other->size().height; ++ty, ++oy) { + uint8_t * const tp = data()[0] + ty * stride()[0] + position.x * 3; + uint8_t * const op = other->data()[0] + oy * other->stride()[0]; + memcpy (tp, op, N * 3); + } +} + void Image::read_from_socket (shared_ptr socket) { for (int i = 0; i < components(); ++i) { uint8_t* p = data()[i]; for (int y = 0; y < lines(i); ++y) { - socket->read_definite_and_consume (p, line_size()[i], 30); + socket->read (p, line_size()[i]); p += stride()[i]; } } @@ -327,7 +384,7 @@ Image::write_to_socket (shared_ptr socket) const for (int i = 0; i < components(); ++i) { uint8_t* p = data()[i]; for (int y = 0; y < lines(i); ++y) { - socket->write (p, line_size()[i], 30); + socket->write (p, line_size()[i]); p += stride()[i]; } } @@ -337,51 +394,43 @@ Image::write_to_socket (shared_ptr socket) const float Image::bytes_per_pixel (int c) const { - if (c == 3) { + AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format); + if (!d) { + throw PixelFormatError (N_("lines()"), _pixel_format); + } + + if (c >= components()) { return 0; } + + float bpp[4] = { 0, 0, 0, 0 }; + + bpp[0] = floor ((d->comp[0].depth_minus1 + 1 + 7) / 8); + if (d->nb_components > 1) { + bpp[1] = floor ((d->comp[1].depth_minus1 + 1 + 7) / 8) / pow (2.0f, d->log2_chroma_w); + } + if (d->nb_components > 2) { + bpp[2] = floor ((d->comp[2].depth_minus1 + 1 + 7) / 8) / pow (2.0f, d->log2_chroma_w); + } + if (d->nb_components > 3) { + bpp[3] = floor ((d->comp[3].depth_minus1 + 1 + 7) / 8) / pow (2.0f, d->log2_chroma_w); + } - switch (_pixel_format) { - case PIX_FMT_RGB24: - if (c == 0) { - return 3; - } else { - return 0; - } - case PIX_FMT_RGBA: - if (c == 0) { - return 4; - } else { - return 0; - } - case PIX_FMT_YUV420P: - case PIX_FMT_YUV422P: - if (c == 0) { - return 1; - } else { - return 0.5; - } - case PIX_FMT_YUV422P10LE: - if (c == 0) { - return 2; - } else { - return 1; - } - default: - assert (false); + if ((d->flags & PIX_FMT_PLANAR) == 0) { + /* Not planar; sum them up */ + return bpp[0] + bpp[1] + bpp[2] + bpp[3]; } - return 0; + return bpp[c]; } - /** Construct a SimpleImage of a given size and format, allocating memory * as required. * * @param p Pixel format. * @param s Size in pixels. */ -SimpleImage::SimpleImage (AVPixelFormat p, Size s, bool aligned) +SimpleImage::SimpleImage (AVPixelFormat p, libdcp::Size s, bool aligned) : Image (p) , _size (s) , _aligned (aligned) @@ -410,14 +459,58 @@ SimpleImage::allocate () SimpleImage::SimpleImage (SimpleImage const & other) : Image (other) + , _size (other._size) + , _aligned (other._aligned) { - _size = other._size; - _aligned = other._aligned; - allocate (); for (int i = 0; i < components(); ++i) { - memcpy (_data[i], other._data[i], _line_size[i] * lines(i)); + uint8_t* p = _data[i]; + uint8_t* q = other._data[i]; + for (int j = 0; j < lines(i); ++j) { + memcpy (p, q, _line_size[i]); + p += stride()[i]; + q += other.stride()[i]; + } + } +} + +SimpleImage::SimpleImage (AVFrame* frame) + : Image (static_cast (frame->format)) + , _size (frame->width, frame->height) + , _aligned (true) +{ + allocate (); + + for (int i = 0; i < components(); ++i) { + uint8_t* p = _data[i]; + uint8_t* q = frame->data[i]; + for (int j = 0; j < lines(i); ++j) { + memcpy (p, q, _line_size[i]); + p += stride()[i]; + /* AVFrame's linesize is what we call `stride' */ + q += frame->linesize[i]; + } + } +} + +SimpleImage::SimpleImage (shared_ptr other) + : Image (*other.get()) +{ + _size = other->size (); + _aligned = true; + + allocate (); + + for (int i = 0; i < components(); ++i) { + assert(line_size()[i] == other->line_size()[i]); + uint8_t* p = _data[i]; + uint8_t* q = other->data()[i]; + for (int j = 0; j < lines(i); ++j) { + memcpy (p, q, line_size()[i]); + p += stride()[i]; + q += other->stride()[i]; + } } } @@ -479,47 +572,16 @@ SimpleImage::stride () const return _stride; } -Size +libdcp::Size SimpleImage::size () const { return _size; } -FilterBufferImage::FilterBufferImage (AVPixelFormat p, AVFilterBufferRef* b) - : Image (p) - , _buffer (b) -{ - -} - -FilterBufferImage::~FilterBufferImage () -{ - avfilter_unref_buffer (_buffer); -} - -uint8_t ** -FilterBufferImage::data () const -{ - return _buffer->data; -} - -int * -FilterBufferImage::line_size () const -{ - return _buffer->linesize; -} - -int * -FilterBufferImage::stride () const -{ - /* XXX? */ - return _buffer->linesize; -} - -Size -FilterBufferImage::size () const +bool +SimpleImage::aligned () const { - return Size (_buffer->video->w, _buffer->video->h); + return _aligned; } RGBPlusAlphaImage::RGBPlusAlphaImage (shared_ptr im)