#include <iostream>
#include <sys/time.h>
#include <boost/algorithm/string.hpp>
+#include <boost/bind.hpp>
#include <openjpeg.h>
extern "C" {
#include <libavcodec/avcodec.h>
using namespace std;
using namespace boost;
+using libdcp::Size;
+
+void
+Image::swap (Image& other)
+{
+ std::swap (_pixel_format, other._pixel_format);
+}
/** @param n Component index.
* @return Number of lines in the image for the given component.
}
break;
case PIX_FMT_RGB24:
+ case PIX_FMT_RGBA:
+ case PIX_FMT_YUV422P10LE:
+ case PIX_FMT_YUV422P:
return size().height;
default:
assert (false);
{
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);
return 0;
}
+shared_ptr<Image>
+Image::scale (Size out_size, Scaler const * scaler, bool aligned) const
+{
+ assert (scaler);
+
+ shared_ptr<Image> scaled (new SimpleImage (pixel_format(), out_size, aligned));
+
+ struct SwsContext* scale_context = sws_getContext (
+ size().width, size().height, pixel_format(),
+ out_size.width, out_size.height, pixel_format(),
+ scaler->ffmpeg_id (), 0, 0, 0
+ );
+
+ sws_scale (
+ scale_context,
+ data(), stride(),
+ 0, size().height,
+ scaled->data(), scaled->stride()
+ );
+
+ sws_freeContext (scale_context);
+
+ return scaled;
+}
+
/** Scale this image to a given size and convert it to RGB.
* @param out_size Output image size in pixels.
* @param scaler Scaler to use.
*/
-shared_ptr<RGBFrameImage>
-Image::scale_and_convert_to_rgb (Size out_size, int padding, Scaler const * scaler) const
+shared_ptr<Image>
+Image::scale_and_convert_to_rgb (Size out_size, int padding, Scaler const * scaler, bool aligned) const
{
assert (scaler);
Size content_size = out_size;
content_size.width -= (padding * 2);
- shared_ptr<RGBFrameImage> rgb (new RGBFrameImage (content_size));
-
+ shared_ptr<Image> rgb (new SimpleImage (PIX_FMT_RGB24, content_size, aligned));
+
struct SwsContext* scale_context = sws_getContext (
size().width, size().height, pixel_format(),
content_size.width, content_size.height, PIX_FMT_RGB24,
/* Scale and convert to RGB from whatever its currently in (which may be RGB) */
sws_scale (
scale_context,
- data(), line_size(),
+ data(), stride(),
0, size().height,
- rgb->data (), rgb->line_size ()
+ rgb->data(), rgb->stride()
);
/* Put the image in the right place in a black frame if are padding; this is
scheme of things.
*/
if (padding > 0) {
- shared_ptr<RGBFrameImage> padded_rgb (new RGBFrameImage (out_size));
+ shared_ptr<Image> 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
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->line_size()[0];
- q += rgb->line_size()[0];
+ p += padded_rgb->stride()[0];
+ q += rgb->stride()[0];
}
rgb = padded_rgb;
* @param pp Flags for the required set of post processes.
* @return Post-processed image.
*/
-shared_ptr<PostProcessImage>
-Image::post_process (string pp) const
+shared_ptr<Image>
+Image::post_process (string pp, bool aligned) const
{
- shared_ptr<PostProcessImage> out (new PostProcessImage (PIX_FMT_YUV420P, size ()));
-
+ shared_ptr<Image> out (new SimpleImage (pixel_format(), size (), aligned));
+
+ int pp_format = 0;
+ switch (pixel_format()) {
+ case PIX_FMT_YUV420P:
+ pp_format = PP_FORMAT_420;
+ break;
+ case PIX_FMT_YUV422P10LE:
+ case PIX_FMT_YUV422P:
+ pp_format = PP_FORMAT_422;
+ break;
+ default:
+ assert (false);
+ }
+
pp_mode* mode = pp_get_mode_by_name_and_quality (pp.c_str (), PP_QUALITY_MAX);
- pp_context* context = pp_get_context (size().width, size().height, PP_FORMAT_420 | PP_CPU_CAPS_MMX2);
+ pp_context* context = pp_get_context (size().width, size().height, pp_format | PP_CPU_CAPS_MMX2);
pp_postprocess (
- (const uint8_t **) data(), line_size(),
- out->data(), out->line_size(),
+ (const uint8_t **) data(), stride(),
+ out->data(), out->stride(),
size().width, size().height,
0, 0, mode, context, 0
);
return out;
}
+shared_ptr<Image>
+Image::crop (Crop crop, bool aligned) const
+{
+ Size cropped_size = size ();
+ 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));
+
+ for (int c = 0; c < components(); ++c) {
+ int const crop_left_in_bytes = bytes_per_pixel(c) * crop.left;
+ int const cropped_width_in_bytes = bytes_per_pixel(c) * cropped_size.width;
+
+ /* Start of the source line, cropped from the top but not the left */
+ uint8_t* in_p = data()[c] + crop.top * stride()[c];
+ uint8_t* out_p = out->data()[c];
+
+ 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];
+ }
+ }
+
+ return out;
+}
+
void
Image::make_black ()
{
switch (_pixel_format) {
case PIX_FMT_YUV420P:
- memset (data()[0], 0, lines(0) * line_size()[0]);
- memset (data()[1], 0x80, lines(1) * line_size()[1]);
- memset (data()[2], 0x80, lines(2) * line_size()[2]);
+ case PIX_FMT_YUV422P10LE:
+ case PIX_FMT_YUV422P:
+ memset (data()[0], 0, lines(0) * stride()[0]);
+ memset (data()[1], 0x80, lines(1) * stride()[1]);
+ memset (data()[2], 0x80, lines(2) * stride()[2]);
break;
case PIX_FMT_RGB24:
- memset (data()[0], 0, lines(0) * line_size()[0]);
+ memset (data()[0], 0, lines(0) * stride()[0]);
break;
default:
}
}
+void
+Image::alpha_blend (shared_ptr<const Image> other, Position position)
+{
+ /* Only implemented for RGBA onto RGB24 so far */
+ assert (_pixel_format == PIX_FMT_RGB24 && other->pixel_format() == PIX_FMT_RGBA);
+
+ int start_tx = position.x;
+ int start_ox = 0;
+
+ if (start_tx < 0) {
+ start_ox = -start_tx;
+ start_tx = 0;
+ }
+
+ int start_ty = position.y;
+ int start_oy = 0;
+
+ if (start_ty < 0) {
+ start_oy = -start_ty;
+ start_ty = 0;
+ }
+
+ for (int ty = start_ty, oy = start_oy; ty < size().height && oy < other->size().height; ++ty, ++oy) {
+ uint8_t* tp = data()[0] + ty * stride()[0] + position.x * 3;
+ uint8_t* op = other->data()[0] + oy * other->stride()[0];
+ for (int tx = start_tx, ox = start_ox; tx < size().width && ox < other->size().width; ++tx, ++ox) {
+ float const alpha = float (op[3]) / 255;
+ tp[0] = (tp[0] * (1 - alpha)) + op[0] * alpha;
+ tp[1] = (tp[1] * (1 - alpha)) + op[1] * alpha;
+ tp[2] = (tp[2] * (1 - alpha)) + op[2] * alpha;
+ tp += 3;
+ op += 4;
+ }
+ }
+}
+
+void
+Image::read_from_socket (shared_ptr<Socket> 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);
+ p += stride()[i];
+ }
+ }
+}
+
+void
+Image::write_to_socket (shared_ptr<Socket> 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);
+ p += stride()[i];
+ }
+ }
+}
+
+
+float
+Image::bytes_per_pixel (int c) const
+{
+ if (c == 3) {
+ return 0;
+ }
+
+ 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 == 1) {
+ return 2;
+ } else {
+ return 1;
+ }
+ default:
+ assert (false);
+ }
+
+ return 0;
+}
+
+
/** Construct a SimpleImage of a given size and format, allocating memory
* as required.
*
* @param p Pixel format.
* @param s Size in pixels.
*/
-SimpleImage::SimpleImage (PixelFormat p, Size s)
+SimpleImage::SimpleImage (AVPixelFormat p, Size s, bool aligned)
: Image (p)
, _size (s)
+ , _aligned (aligned)
+{
+ allocate ();
+}
+
+void
+SimpleImage::allocate ()
+{
+ _data = (uint8_t **) av_malloc (4 * sizeof (uint8_t *));
+ _data[0] = _data[1] = _data[2] = _data[3] = 0;
+
+ _line_size = (int *) av_malloc (4 * sizeof (int));
+ _line_size[0] = _line_size[1] = _line_size[2] = _line_size[3] = 0;
+
+ _stride = (int *) av_malloc (4 * sizeof (int));
+ _stride[0] = _stride[1] = _stride[2] = _stride[3] = 0;
+
+ for (int i = 0; i < components(); ++i) {
+ _line_size[i] = _size.width * bytes_per_pixel(i);
+ _stride[i] = stride_round_up (i, _line_size, _aligned ? 32 : 1);
+ _data[i] = (uint8_t *) av_malloc (_stride[i] * lines (i));
+ }
+}
+
+SimpleImage::SimpleImage (SimpleImage const & other)
+ : Image (other)
{
- _data = (uint8_t **) av_malloc (components() * sizeof (uint8_t *));
- _line_size = (int *) av_malloc (components() * sizeof (int));
+ _size = other._size;
+ _aligned = other._aligned;
+ allocate ();
+
for (int i = 0; i < components(); ++i) {
- _data[i] = 0;
- _line_size[i] = 0;
+ memcpy (_data[i], other._data[i], _line_size[i] * lines(i));
+ }
+}
+
+SimpleImage&
+SimpleImage::operator= (SimpleImage const & other)
+{
+ if (this == &other) {
+ return *this;
+ }
+
+ SimpleImage tmp (other);
+ swap (tmp);
+ return *this;
+}
+
+void
+SimpleImage::swap (SimpleImage & other)
+{
+ Image::swap (other);
+
+ std::swap (_size, other._size);
+
+ for (int i = 0; i < 4; ++i) {
+ std::swap (_data[i], other._data[i]);
+ std::swap (_line_size[i], other._line_size[i]);
+ std::swap (_stride[i], other._stride[i]);
}
+
+ std::swap (_aligned, other._aligned);
}
/** Destroy a SimpleImage */
av_free (_data);
av_free (_line_size);
-}
-
-/** Set the size in bytes of each horizontal line of a given component.
- * @param i Component index.
- * @param s Size of line in bytes.
- */
-void
-SimpleImage::set_line_size (int i, int s)
-{
- _line_size[i] = s;
- _data[i] = (uint8_t *) av_malloc (s * lines (i));
+ av_free (_stride);
}
uint8_t **
return _line_size;
}
+int *
+SimpleImage::stride () const
+{
+ return _stride;
+}
+
Size
SimpleImage::size () const
{
return _size;
}
-
-FilterBufferImage::FilterBufferImage (PixelFormat p, AVFilterBufferRef* b)
+FilterBufferImage::FilterBufferImage (AVPixelFormat p, AVFilterBufferRef* b)
: Image (p)
, _buffer (b)
{
return _buffer->linesize;
}
-Size
-FilterBufferImage::size () const
-{
- return Size (_buffer->video->w, _buffer->video->h);
-}
-
-/** XXX: this could be generalised to use any format, but I don't
- * understand how avpicture_fill is supposed to be called with
- * multi-planar images.
- */
-RGBFrameImage::RGBFrameImage (Size s)
- : Image (PIX_FMT_RGB24)
- , _size (s)
-{
- _frame = avcodec_alloc_frame ();
- if (_frame == 0) {
- throw EncodeError ("could not allocate frame");
- }
-
- _data = (uint8_t *) av_malloc (size().width * size().height * 3);
- avpicture_fill ((AVPicture *) _frame, _data, PIX_FMT_RGB24, size().width, size().height);
- _frame->width = size().width;
- _frame->height = size().height;
- _frame->format = PIX_FMT_RGB24;
-}
-
-RGBFrameImage::~RGBFrameImage ()
-{
- av_free (_data);
- av_free (_frame);
-}
-
-uint8_t **
-RGBFrameImage::data () const
-{
- return _frame->data;
-}
-
int *
-RGBFrameImage::line_size () const
+FilterBufferImage::stride () const
{
- return _frame->linesize;
+ /* XXX? */
+ return _buffer->linesize;
}
Size
-RGBFrameImage::size () const
+FilterBufferImage::size () const
{
- return _size;
+ return Size (_buffer->video->w, _buffer->video->h);
}
-PostProcessImage::PostProcessImage (PixelFormat p, Size s)
- : Image (p)
- , _size (s)
+RGBPlusAlphaImage::RGBPlusAlphaImage (shared_ptr<const Image> im)
+ : SimpleImage (im->pixel_format(), im->size(), false)
{
- _data = new uint8_t*[4];
- _line_size = new int[4];
-
- for (int i = 0; i < 4; ++i) {
- _data[i] = (uint8_t *) av_malloc (s.width * s.height);
- _line_size[i] = s.width;
- }
-}
+ 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++;
+ }
-PostProcessImage::~PostProcessImage ()
-{
- for (int i = 0; i < 4; ++i) {
- av_free (_data[i]);
+ in += im->stride()[0];
}
-
- delete[] _data;
- delete[] _line_size;
}
-uint8_t **
-PostProcessImage::data () const
+RGBPlusAlphaImage::~RGBPlusAlphaImage ()
{
- return _data;
-}
-
-int *
-PostProcessImage::line_size () const
-{
- return _line_size;
+ av_free (_alpha);
}
-Size
-PostProcessImage::size () const
-{
- return _size;
-}
projects / dcpomatic.git / blobdiff