a black frame.
*/
boost::shared_ptr<Image> black (
- new SimpleImage (
+ new Image (
static_cast<AVPixelFormat> (_frame->format),
libdcp::Size (video_codec_context()->width, video_codec_context()->height),
true
throw DecodeError (_("non-bitmap subtitles not yet supported"));
}
- shared_ptr<Image> image (new SimpleImage (PIX_FMT_RGBA, libdcp::Size (rect->w, rect->h), true));
+ shared_ptr<Image> image (new Image (PIX_FMT_RGBA, libdcp::Size (rect->w, rect->h), true));
/* Start of the first line in the subtitle */
uint8_t* sub_p = rect->pict.data[0];
break;
}
- images.push_back (shared_ptr<Image> (new SimpleImage (_frame)));
+ images.push_back (shared_ptr<Image> (new Image (_frame)));
av_frame_unref (_frame);
}
*/
/** @file src/image.cc
- * @brief A set of classes to describe video images.
+ * @brief A class to describe a video image.
*/
-#include <sstream>
-#include <iomanip>
#include <iostream>
-#include <sys/time.h>
-#include <boost/algorithm/string.hpp>
-#include <boost/bind.hpp>
-#include <openjpeg.h>
extern "C" {
-#include <libavcodec/avcodec.h>
-#include <libavformat/avformat.h>
#include <libswscale/swscale.h>
-#include <libavfilter/avfiltergraph.h>
-#include <libpostproc/postprocess.h>
#include <libavutil/pixfmt.h>
#include <libavutil/pixdesc.h>
+#include <libpostproc/postprocess.h>
}
#include "image.h"
#include "exceptions.h"
#include "scaler.h"
-#include "i18n.h"
-
using std::string;
using std::min;
using std::cout;
using boost::shared_ptr;
using libdcp::Size;
-void
-Image::swap (Image& other)
-{
- std::swap (_pixel_format, other._pixel_format);
-}
-
int
Image::line_factor (int n) const
{
AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format);
if (!d) {
- throw PixelFormatError (N_("lines()"), _pixel_format);
+ throw PixelFormatError ("lines()", _pixel_format);
}
return pow (2.0f, d->log2_chroma_h);
{
AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format);
if (!d) {
- throw PixelFormatError (N_("components()"), _pixel_format);
+ throw PixelFormatError ("components()", _pixel_format);
}
if ((d->flags & PIX_FMT_PLANAR) == 0) {
*/
assert (aligned ());
- shared_ptr<Image> scaled (new SimpleImage (pixel_format(), out_size, result_aligned));
+ shared_ptr<Image> scaled (new Image (pixel_format(), out_size, result_aligned));
struct SwsContext* scale_context = sws_getContext (
size().width, size().height, pixel_format(),
*/
assert (aligned ());
- shared_ptr<Image> rgb (new SimpleImage (PIX_FMT_RGB24, out_size, result_aligned));
+ shared_ptr<Image> rgb (new Image (PIX_FMT_RGB24, out_size, result_aligned));
struct SwsContext* scale_context = sws_getContext (
size().width, size().height, pixel_format(),
shared_ptr<Image>
Image::post_process (string pp, bool aligned) const
{
- shared_ptr<Image> out (new SimpleImage (pixel_format(), size (), aligned));
+ shared_ptr<Image> out (new Image (pixel_format(), size (), aligned));
int pp_format = 0;
switch (pixel_format()) {
case PIX_FMT_YUV444P10LE:
pp_format = PP_FORMAT_444;
default:
- throw PixelFormatError (N_("post_process"), pixel_format());
+ throw PixelFormatError ("post_process", pixel_format());
}
pp_mode* mode = pp_get_mode_by_name_and_quality (pp.c_str (), PP_QUALITY_MAX);
cropped_size.width -= crop.left + crop.right;
cropped_size.height -= crop.top + crop.bottom;
- shared_ptr<Image> out (new SimpleImage (pixel_format(), cropped_size, aligned));
+ shared_ptr<Image> out (new Image (pixel_format(), cropped_size, aligned));
for (int c = 0; c < components(); ++c) {
int const crop_left_in_bytes = bytes_per_pixel(c) * crop.left;
}
default:
- throw PixelFormatError (N_("make_black()"), _pixel_format);
+ throw PixelFormatError ("make_black()", _pixel_format);
}
}
{
AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format);
if (!d) {
- throw PixelFormatError (N_("lines()"), _pixel_format);
+ throw PixelFormatError ("lines()", _pixel_format);
}
if (c >= components()) {
return bpp[c];
}
-/** Construct a SimpleImage of a given size and format, allocating memory
+/** Construct a Image of a given size and format, allocating memory
* as required.
*
* @param p Pixel format.
* @param s Size in pixels.
*/
-SimpleImage::SimpleImage (AVPixelFormat p, libdcp::Size s, bool aligned)
- : Image (p)
+Image::Image (AVPixelFormat p, libdcp::Size s, bool aligned)
+ : _pixel_format (p)
, _size (s)
, _aligned (aligned)
{
}
void
-SimpleImage::allocate ()
+Image::allocate ()
{
_data = (uint8_t **) av_malloc (4 * sizeof (uint8_t *));
_data[0] = _data[1] = _data[2] = _data[3] = 0;
}
}
-SimpleImage::SimpleImage (SimpleImage const & other)
- : Image (other)
+Image::Image (Image const & other)
+ : _pixel_format (other._pixel_format)
, _size (other._size)
, _aligned (other._aligned)
{
}
}
-SimpleImage::SimpleImage (AVFrame* frame)
- : Image (static_cast<AVPixelFormat> (frame->format))
+Image::Image (AVFrame* frame)
+ : _pixel_format (static_cast<AVPixelFormat> (frame->format))
, _size (frame->width, frame->height)
, _aligned (true)
{
}
}
-SimpleImage::SimpleImage (shared_ptr<const Image> other, bool aligned)
- : Image (*other.get())
+Image::Image (shared_ptr<const Image> other, bool aligned)
+ : _pixel_format (other->_pixel_format)
, _size (other->size())
, _aligned (aligned)
{
}
}
-SimpleImage&
-SimpleImage::operator= (SimpleImage const & other)
+Image&
+Image::operator= (Image const & other)
{
if (this == &other) {
return *this;
}
- SimpleImage tmp (other);
+ Image tmp (other);
swap (tmp);
return *this;
}
void
-SimpleImage::swap (SimpleImage & other)
+Image::swap (Image & other)
{
- Image::swap (other);
-
+ std::swap (_pixel_format, other._pixel_format);
std::swap (_size, other._size);
for (int i = 0; i < 4; ++i) {
std::swap (_aligned, other._aligned);
}
-/** Destroy a SimpleImage */
-SimpleImage::~SimpleImage ()
+/** Destroy a Image */
+Image::~Image ()
{
for (int i = 0; i < components(); ++i) {
av_free (_data[i]);
}
uint8_t **
-SimpleImage::data () const
+Image::data () const
{
return _data;
}
int *
-SimpleImage::line_size () const
+Image::line_size () const
{
return _line_size;
}
int *
-SimpleImage::stride () const
+Image::stride () const
{
return _stride;
}
libdcp::Size
-SimpleImage::size () const
+Image::size () const
{
return _size;
}
bool
-SimpleImage::aligned () const
+Image::aligned () const
{
return _aligned;
}
-RGBPlusAlphaImage::RGBPlusAlphaImage (shared_ptr<const Image> im)
- : SimpleImage (im->pixel_format(), im->size(), false)
-{
- assert (im->pixel_format() == PIX_FMT_RGBA);
-
- _alpha = (uint8_t *) av_malloc (im->size().width * im->size().height);
-
- uint8_t* in = im->data()[0];
- uint8_t* out = data()[0];
- uint8_t* out_alpha = _alpha;
- for (int y = 0; y < im->size().height; ++y) {
- uint8_t* in_r = in;
- for (int x = 0; x < im->size().width; ++x) {
- *out++ = *in_r++;
- *out++ = *in_r++;
- *out++ = *in_r++;
- *out_alpha++ = *in_r++;
- }
-
- in += im->stride()[0];
- }
-}
-
-RGBPlusAlphaImage::~RGBPlusAlphaImage ()
-{
- av_free (_alpha);
-}
-
#include "position.h"
class Scaler;
-class SimpleImage;
-/** @class Image
- * @brief Parent class for wrappers of some image, in some format, that
- * can present a set of components and a size in pixels.
- *
- * This class also has some conversion / processing methods.
- *
- * The main point of this class (and its subclasses) is to abstract
- * details of FFmpeg's memory management and varying data formats.
- */
class Image
{
public:
- Image (AVPixelFormat p)
- : _pixel_format (p)
- {}
+ Image (AVPixelFormat, libdcp::Size, bool);
+ Image (AVFrame *);
+ Image (Image const &);
+ Image (boost::shared_ptr<const Image>, bool);
+ Image& operator= (Image const &);
+ ~Image ();
- virtual ~Image () {}
-
- /** @return Array of pointers to arrays of the component data */
- virtual uint8_t ** data () const = 0;
-
- /** @return Array of sizes of the data in each line, in bytes (without any alignment padding bytes) */
- virtual int * line_size () const = 0;
-
- /** @return Array of strides for each line (including any alignment padding bytes) */
- virtual int * stride () const = 0;
-
- /** @return Size of the image, in pixels */
- virtual libdcp::Size size () const = 0;
-
- virtual bool aligned () const = 0;
+ uint8_t ** data () const;
+ int * line_size () const;
+ int * stride () const;
+ libdcp::Size size () const;
+ bool aligned () const;
int components () const;
int line_factor (int) const;
return _pixel_format;
}
-protected:
- virtual void swap (Image &);
- float bytes_per_pixel (int) const;
-
- friend class pixel_formats_test;
-
private:
+ friend class pixel_formats_test;
+
+ void allocate ();
+ void swap (Image &);
+ float bytes_per_pixel (int) const;
void yuv_16_black (uint16_t);
static uint16_t swap_16 (uint16_t);
AVPixelFormat _pixel_format; ///< FFmpeg's way of describing the pixel format of this Image
-};
-
-/** @class SimpleImage
- * @brief An Image for which memory is allocated using a `simple' av_malloc().
- */
-class SimpleImage : public Image
-{
-public:
- SimpleImage (AVPixelFormat, libdcp::Size, bool);
- SimpleImage (AVFrame *);
- SimpleImage (SimpleImage const &);
- SimpleImage (boost::shared_ptr<const Image>, bool);
- SimpleImage& operator= (SimpleImage const &);
- ~SimpleImage ();
-
- uint8_t ** data () const;
- int * line_size () const;
- int * stride () const;
- libdcp::Size size () const;
- bool aligned () const;
-
-protected:
- void allocate ();
- void swap (SimpleImage &);
-
-private:
libdcp::Size _size; ///< size in pixels
uint8_t** _data; ///< array of pointers to components
int* _line_size; ///< array of sizes of the data in each line, in pixels (without any alignment padding bytes)
bool _aligned;
};
-class RGBPlusAlphaImage : public SimpleImage
-{
-public:
- RGBPlusAlphaImage (boost::shared_ptr<const Image>);
- ~RGBPlusAlphaImage ();
-
- uint8_t* alpha () const {
- return _alpha;
- }
-
-private:
- uint8_t* _alpha;
-};
-
#endif
stringstream s;
s << VideoContent::identifier ();
s << "_" << video_length();
+ return s.str ();
}
Magick::Image* magick_image = new Magick::Image (_imagemagick_content->file().string ());
_video_size = libdcp::Size (magick_image->columns(), magick_image->rows());
- _image.reset (new SimpleImage (PIX_FMT_RGB24, _video_size.get(), false));
+ _image.reset (new Image (PIX_FMT_RGB24, _video_size.get(), false));
using namespace MagickCore;
if (image_size != _video_container_size) {
assert (image_size.width <= _video_container_size.width);
assert (image_size.height <= _video_container_size.height);
- shared_ptr<Image> im (new SimpleImage (PIX_FMT_RGB24, _video_container_size, true));
+ shared_ptr<Image> im (new Image (PIX_FMT_RGB24, _video_container_size, true));
im->make_black ();
im->copy (work_image, Position<int> ((_video_container_size.width - image_size.width) / 2, (_video_container_size.height - image_size.height) / 2));
work_image = im;
Player::set_video_container_size (libdcp::Size s)
{
_video_container_size = s;
- _black_frame.reset (new SimpleImage (PIX_FMT_RGB24, _video_container_size, true));
+ _black_frame.reset (new Image (PIX_FMT_RGB24, _video_container_size, true));
_black_frame->make_black ();
}
/* This checks that colour_lut_index is within range */
colour_lut_index_to_name (colour_lut_index);
- shared_ptr<Image> image (new SimpleImage (PIX_FMT_RGB24, size, true));
+ shared_ptr<Image> image (new Image (PIX_FMT_RGB24, size, true));
image->read_from_socket (socket);
return;
}
- shared_ptr<SimpleImage> packed_frame (new SimpleImage (_frame, false));
+ shared_ptr<Image> packed_frame (new Image (_frame, false));
wxImage frame (_out_size.width, _out_size.height, packed_frame->data()[0], true);
wxBitmap frame_bitmap (frame);
BOOST_AUTO_TEST_CASE (client_server_test)
{
- shared_ptr<Image> image (new SimpleImage (PIX_FMT_RGB24, libdcp::Size (1998, 1080), true));
+ shared_ptr<Image> image (new Image (PIX_FMT_RGB24, libdcp::Size (1998, 1080), true));
uint8_t* p = image->data()[0];
for (int y = 0; y < 1080; ++y) {
p += image->stride()[0];
}
- shared_ptr<Image> sub_image (new SimpleImage (PIX_FMT_RGBA, libdcp::Size (100, 200), true));
+ shared_ptr<Image> sub_image (new Image (PIX_FMT_RGBA, libdcp::Size (100, 200), true));
p = sub_image->data()[0];
for (int y = 0; y < 200; ++y) {
uint8_t* q = p;
BOOST_AUTO_TEST_CASE (aligned_image_test)
{
- SimpleImage* s = new SimpleImage (PIX_FMT_RGB24, libdcp::Size (50, 50), true);
+ Image* s = new Image (PIX_FMT_RGB24, libdcp::Size (50, 50), true);
BOOST_CHECK_EQUAL (s->components(), 1);
/* 160 is 150 aligned to the nearest 32 bytes */
BOOST_CHECK_EQUAL (s->stride()[0], 160);
BOOST_CHECK (!s->data()[3]);
/* copy constructor */
- SimpleImage* t = new SimpleImage (*s);
+ Image* t = new Image (*s);
BOOST_CHECK_EQUAL (t->components(), 1);
BOOST_CHECK_EQUAL (t->stride()[0], 160);
BOOST_CHECK_EQUAL (t->line_size()[0], 150);
BOOST_CHECK (t->stride()[0] == s->stride()[0]);
/* assignment operator */
- SimpleImage* u = new SimpleImage (PIX_FMT_YUV422P, libdcp::Size (150, 150), false);
+ Image* u = new Image (PIX_FMT_YUV422P, libdcp::Size (150, 150), false);
*u = *s;
BOOST_CHECK_EQUAL (u->components(), 1);
BOOST_CHECK_EQUAL (u->stride()[0], 160);
BOOST_AUTO_TEST_CASE (compact_image_test)
{
- SimpleImage* s = new SimpleImage (PIX_FMT_RGB24, libdcp::Size (50, 50), false);
+ Image* s = new Image (PIX_FMT_RGB24, libdcp::Size (50, 50), false);
BOOST_CHECK_EQUAL (s->components(), 1);
BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
BOOST_CHECK (!s->data()[3]);
/* copy constructor */
- SimpleImage* t = new SimpleImage (*s);
+ Image* t = new Image (*s);
BOOST_CHECK_EQUAL (t->components(), 1);
BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
BOOST_CHECK (t->stride()[0] == s->stride()[0]);
/* assignment operator */
- SimpleImage* u = new SimpleImage (PIX_FMT_YUV422P, libdcp::Size (150, 150), true);
+ Image* u = new Image (PIX_FMT_YUV422P, libdcp::Size (150, 150), true);
*u = *s;
BOOST_CHECK_EQUAL (u->components(), 1);
BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
BOOST_AUTO_TEST_CASE (crop_image_test)
{
/* This was to check out a bug with valgrind, and is probably not very useful */
- shared_ptr<SimpleImage> image (new SimpleImage (PIX_FMT_YUV420P, libdcp::Size (16, 16), true));
+ shared_ptr<Image> image (new Image (PIX_FMT_YUV420P, libdcp::Size (16, 16), true));
image->make_black ();
Crop crop;
crop.top = 3;
BOOST_AUTO_TEST_CASE (crop_image_test2)
{
/* Here's a 1998 x 1080 image which is black */
- shared_ptr<Image> image (new SimpleImage (PIX_FMT_YUV420P, libdcp::Size (1998, 1080), true));
+ shared_ptr<Image> image (new Image (PIX_FMT_YUV420P, libdcp::Size (1998, 1080), true));
image->make_black ();
/* Crop it by 1 pixel */
int N = 0;
for (list<AVPixelFormat>::const_iterator i = pix_fmts.begin(); i != pix_fmts.end(); ++i) {
- boost::shared_ptr<Image> foo (new SimpleImage (*i, in_size, true));
+ boost::shared_ptr<Image> foo (new Image (*i, in_size, true));
foo->make_black ();
boost::shared_ptr<Image> bar = foo->scale_and_convert_to_rgb (out_size, Scaler::from_id ("bicubic"), true);
f->height = 480;
f->format = static_cast<int> (i->format);
av_frame_get_buffer (f, true);
- SimpleImage t (f);
+ Image t (f);
BOOST_CHECK_EQUAL(t.components(), i->components);
BOOST_CHECK_EQUAL(t.lines(0), i->lines[0]);
BOOST_CHECK_EQUAL(t.lines(1), i->lines[1]);