#include <libswscale/swscale.h>
#include <libavutil/pixfmt.h>
#include <libavutil/pixdesc.h>
+#include <libavutil/frame.h>
}
#include <iostream>
using std::cout;
using std::cerr;
using std::list;
+using std::runtime_error;
using boost::shared_ptr;
using dcp::Size;
}
/** @param n Component index.
- * @return Number of lines in the image for the given component.
+ * @return Number of samples (i.e. pixels, unless sub-sampled) in each direction for this component.
*/
-int
-Image::lines (int n) const
+dcp::Size
+Image::sample_size (int n) const
{
- return rint (ceil (static_cast<double>(size().height) / line_factor (n)));
+ int horizontal_factor = 1;
+ if (n > 0) {
+ AVPixFmtDescriptor const * d = av_pix_fmt_desc_get (_pixel_format);
+ if (!d) {
+ throw PixelFormatError ("sample_size()", _pixel_format);
+ }
+ horizontal_factor = pow (2.0f, d->log2_chroma_w);
+ }
+
+ return dcp::Size (
+ lrint (ceil (static_cast<double>(size().width) / horizontal_factor)),
+ lrint (ceil (static_cast<double>(size().height) / line_factor (n)))
+ );
}
-/** @return Number of components */
int
Image::components () const
{
throw PixelFormatError ("components()", _pixel_format);
}
- if ((d->flags & PIX_FMT_PLANAR) == 0) {
+ return d->nb_components;
+}
+
+/** @return Number of planes */
+int
+Image::planes () const
+{
+ AVPixFmtDescriptor const * d = av_pix_fmt_desc_get(_pixel_format);
+ if (!d) {
+ throw PixelFormatError ("planes()", _pixel_format);
+ }
+
+ if ((d->flags & AV_PIX_FMT_FLAG_PLANAR) == 0) {
return 1;
}
);
if (!scale_context) {
- throw StringError (N_("Could not allocate SwsContext"));
+ throw runtime_error (N_("Could not allocate SwsContext"));
}
DCPOMATIC_ASSERT (yuv_to_rgb < dcp::YUV_TO_RGB_COUNT);
}
/* Prepare input data pointers with crop */
- uint8_t* scale_in_data[components()];
- for (int c = 0; c < components(); ++c) {
+ uint8_t* scale_in_data[planes()];
+ for (int c = 0; c < planes(); ++c) {
/* To work out the crop in bytes, start by multiplying
the crop by the (average) bytes per pixel. Then
round down so that we don't crop a subsampled pixel until
we've cropped all of its Y-channel pixels.
*/
- int const x = int (rint (bytes_per_pixel(c) * crop.left)) & ~ ((int) desc->log2_chroma_w);
+ int const x = lrintf (bytes_per_pixel(c) * crop.left) & ~ ((int) desc->log2_chroma_w);
scale_in_data[c] = data()[c] + x + stride()[c] * (crop.top / line_factor(c));
}
/* Corner of the image within out_size */
Position<int> const corner ((out_size.width - inter_size.width) / 2, (out_size.height - inter_size.height) / 2);
- uint8_t* scale_out_data[out->components()];
- for (int c = 0; c < out->components(); ++c) {
- scale_out_data[c] = out->data()[c] + int (rint (out->bytes_per_pixel(c) * corner.x)) + out->stride()[c] * corner.y;
+ uint8_t* scale_out_data[out->planes()];
+ for (int c = 0; c < out->planes(); ++c) {
+ scale_out_data[c] = out->data()[c] + lrintf (out->bytes_per_pixel(c) * corner.x) + out->stride()[c] * corner.y;
}
sws_scale (
void
Image::yuv_16_black (uint16_t v, bool alpha)
{
- memset (data()[0], 0, lines(0) * stride()[0]);
+ memset (data()[0], 0, sample_size(0).height * stride()[0]);
for (int i = 1; i < 3; ++i) {
int16_t* p = reinterpret_cast<int16_t*> (data()[i]);
- for (int y = 0; y < lines(i); ++y) {
+ int const lines = sample_size(i).height;
+ for (int y = 0; y < lines; ++y) {
/* We divide by 2 here because we are writing 2 bytes at a time */
for (int x = 0; x < line_size()[i] / 2; ++x) {
p[x] = v;
}
if (alpha) {
- memset (data()[3], 0, lines(3) * stride()[3]);
+ memset (data()[3], 0, sample_size(3).height * stride()[3]);
}
}
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:
- case PIX_FMT_YUV411P:
- memset (data()[0], 0, lines(0) * stride()[0]);
- memset (data()[1], eight_bit_uv, lines(1) * stride()[1]);
- memset (data()[2], eight_bit_uv, lines(2) * stride()[2]);
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV444P:
+ case AV_PIX_FMT_YUV411P:
+ memset (data()[0], 0, sample_size(0).height * stride()[0]);
+ memset (data()[1], eight_bit_uv, sample_size(1).height * stride()[1]);
+ memset (data()[2], eight_bit_uv, sample_size(2).height * stride()[2]);
break;
- case PIX_FMT_YUVJ420P:
- case PIX_FMT_YUVJ422P:
- case PIX_FMT_YUVJ444P:
- memset (data()[0], 0, lines(0) * stride()[0]);
- memset (data()[1], eight_bit_uv + 1, lines(1) * stride()[1]);
- memset (data()[2], eight_bit_uv + 1, lines(2) * stride()[2]);
+ case AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_YUVJ422P:
+ case AV_PIX_FMT_YUVJ444P:
+ memset (data()[0], 0, sample_size(0).height * stride()[0]);
+ memset (data()[1], eight_bit_uv + 1, sample_size(1).height * stride()[1]);
+ memset (data()[2], eight_bit_uv + 1, sample_size(2).height * stride()[2]);
break;
- case PIX_FMT_YUV422P9LE:
- case PIX_FMT_YUV444P9LE:
+ case AV_PIX_FMT_YUV422P9LE:
+ case AV_PIX_FMT_YUV444P9LE:
yuv_16_black (nine_bit_uv, false);
break;
- case PIX_FMT_YUV422P9BE:
- case PIX_FMT_YUV444P9BE:
+ case AV_PIX_FMT_YUV422P9BE:
+ case AV_PIX_FMT_YUV444P9BE:
yuv_16_black (swap_16 (nine_bit_uv), false);
break;
- case PIX_FMT_YUV422P10LE:
- case PIX_FMT_YUV444P10LE:
+ case AV_PIX_FMT_YUV422P10LE:
+ case AV_PIX_FMT_YUV444P10LE:
yuv_16_black (ten_bit_uv, false);
break;
- case PIX_FMT_YUV422P16LE:
- case PIX_FMT_YUV444P16LE:
+ case AV_PIX_FMT_YUV422P16LE:
+ case AV_PIX_FMT_YUV444P16LE:
yuv_16_black (sixteen_bit_uv, false);
break;
- case PIX_FMT_YUV444P10BE:
- case PIX_FMT_YUV422P10BE:
+ case AV_PIX_FMT_YUV444P10BE:
+ case AV_PIX_FMT_YUV422P10BE:
yuv_16_black (swap_16 (ten_bit_uv), false);
break;
yuv_16_black (sixteen_bit_uv, true);
break;
- case PIX_FMT_RGB24:
- case PIX_FMT_ARGB:
- case PIX_FMT_RGBA:
- case PIX_FMT_ABGR:
- case PIX_FMT_BGRA:
- case PIX_FMT_RGB555LE:
- case PIX_FMT_RGB48LE:
- case PIX_FMT_RGB48BE:
- memset (data()[0], 0, lines(0) * stride()[0]);
+ case AV_PIX_FMT_RGB24:
+ case AV_PIX_FMT_ARGB:
+ case AV_PIX_FMT_RGBA:
+ case AV_PIX_FMT_ABGR:
+ case AV_PIX_FMT_BGRA:
+ case AV_PIX_FMT_RGB555LE:
+ case AV_PIX_FMT_RGB48LE:
+ case AV_PIX_FMT_RGB48BE:
+ memset (data()[0], 0, sample_size(0).height * stride()[0]);
break;
- case PIX_FMT_UYVY422:
+ case AV_PIX_FMT_UYVY422:
{
- int const Y = lines(0);
+ int const Y = sample_size(0).height;
int const X = line_size()[0];
uint8_t* p = data()[0];
for (int y = 0; y < Y; ++y) {
void
Image::make_transparent ()
{
- if (_pixel_format != PIX_FMT_RGBA) {
+ if (_pixel_format != AV_PIX_FMT_RGBA) {
throw PixelFormatError ("make_transparent()", _pixel_format);
}
- memset (data()[0], 0, lines(0) * stride()[0]);
+ memset (data()[0], 0, sample_size(0).height * stride()[0]);
}
void
Image::alpha_blend (shared_ptr<const Image> other, Position<int> position)
{
- DCPOMATIC_ASSERT (other->pixel_format() == PIX_FMT_RGBA);
+ DCPOMATIC_ASSERT (other->pixel_format() == AV_PIX_FMT_RGBA);
int const other_bpp = 4;
int start_tx = position.x;
}
switch (_pixel_format) {
- case PIX_FMT_RGB24:
+ case AV_PIX_FMT_RGB24:
{
int const this_bpp = 3;
for (int ty = start_ty, oy = start_oy; ty < size().height && oy < other->size().height; ++ty, ++oy) {
}
break;
}
- case PIX_FMT_BGRA:
- case PIX_FMT_RGBA:
+ case AV_PIX_FMT_BGRA:
+ case AV_PIX_FMT_RGBA:
{
int const this_bpp = 4;
for (int ty = start_ty, oy = start_oy; ty < size().height && oy < other->size().height; ++ty, ++oy) {
}
break;
}
- case PIX_FMT_RGB48LE:
+ case AV_PIX_FMT_RGB48LE:
{
int const this_bpp = 6;
for (int ty = start_ty, oy = start_oy; ty < size().height && oy < other->size().height; ++ty, ++oy) {
Image::copy (shared_ptr<const Image> other, Position<int> position)
{
/* Only implemented for RGB24 onto RGB24 so far */
- DCPOMATIC_ASSERT (_pixel_format == PIX_FMT_RGB24 && other->pixel_format() == PIX_FMT_RGB24);
+ DCPOMATIC_ASSERT (_pixel_format == AV_PIX_FMT_RGB24 && other->pixel_format() == AV_PIX_FMT_RGB24);
DCPOMATIC_ASSERT (position.x >= 0 && position.y >= 0);
int const N = min (position.x + other->size().width, size().width) - position.x;
void
Image::read_from_socket (shared_ptr<Socket> socket)
{
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
uint8_t* p = data()[i];
- for (int y = 0; y < lines(i); ++y) {
+ int const lines = sample_size(i).height;
+ for (int y = 0; y < lines; ++y) {
socket->read (p, line_size()[i]);
p += stride()[i];
}
void
Image::write_to_socket (shared_ptr<Socket> socket) const
{
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
uint8_t* p = data()[i];
- for (int y = 0; y < lines(i); ++y) {
+ int const lines = sample_size(i).height;
+ for (int y = 0; y < lines; ++y) {
socket->write (p, line_size()[i]);
p += stride()[i];
}
}
}
-
float
Image::bytes_per_pixel (int c) const
{
throw PixelFormatError ("bytes_per_pixel()", _pixel_format);
}
- if (c >= components()) {
+ if (c >= planes()) {
return 0;
}
bpp[3] = floor ((d->comp[3].depth_minus1 + 1 + 7) / 8) / pow (2.0f, d->log2_chroma_w);
}
- if ((d->flags & PIX_FMT_PLANAR) == 0) {
+ if ((d->flags & AV_PIX_FMT_FLAG_PLANAR) == 0) {
/* Not planar; sum them up */
return bpp[0] + bpp[1] + bpp[2] + bpp[3];
}
_stride = (int *) wrapped_av_malloc (4 * sizeof (int));
_stride[0] = _stride[1] = _stride[2] = _stride[3] = 0;
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
_line_size[i] = ceil (_size.width * bytes_per_pixel(i));
_stride[i] = stride_round_up (i, _line_size, _aligned ? 32 : 1);
so I'll just over-allocate by 32 bytes and have done with it. Empirical
testing suggests that it works.
*/
- _data[i] = (uint8_t *) wrapped_av_malloc (_stride[i] * lines (i) + 32);
+ _data[i] = (uint8_t *) wrapped_av_malloc (_stride[i] * sample_size(i).height + 32);
}
}
{
allocate ();
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
uint8_t* p = _data[i];
uint8_t* q = other._data[i];
- for (int j = 0; j < lines(i); ++j) {
+ int const lines = sample_size(i).height;
+ for (int j = 0; j < lines; ++j) {
memcpy (p, q, _line_size[i]);
p += stride()[i];
q += other.stride()[i];
{
allocate ();
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
uint8_t* p = _data[i];
uint8_t* q = frame->data[i];
- for (int j = 0; j < lines(i); ++j) {
+ int const lines = sample_size(i).height;
+ for (int j = 0; j < lines; ++j) {
memcpy (p, q, _line_size[i]);
p += stride()[i];
/* AVFrame's linesize is what we call `stride' */
{
allocate ();
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
DCPOMATIC_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) {
+ int const lines = sample_size(i).height;
+ for (int j = 0; j < lines; ++j) {
memcpy (p, q, line_size()[i]);
p += stride()[i];
q += other->stride()[i];
/** Destroy a Image */
Image::~Image ()
{
- for (int i = 0; i < components(); ++i) {
+ for (int i = 0; i < planes(); ++i) {
av_free (_data[i]);
}
return _data;
}
-int *
+int const *
Image::line_size () const
{
return _line_size;
bool
operator== (Image const & a, Image const & b)
{
- if (a.components() != b.components() || a.pixel_format() != b.pixel_format() || a.aligned() != b.aligned()) {
+ if (a.planes() != b.planes() || a.pixel_format() != b.pixel_format() || a.aligned() != b.aligned()) {
return false;
}
- for (int c = 0; c < a.components(); ++c) {
- if (a.lines(c) != b.lines(c) || a.line_size()[c] != b.line_size()[c] || a.stride()[c] != b.stride()[c]) {
+ for (int c = 0; c < a.planes(); ++c) {
+ if (a.sample_size(c).height != b.sample_size(c).height || a.line_size()[c] != b.line_size()[c] || a.stride()[c] != b.stride()[c]) {
return false;
}
uint8_t* p = a.data()[c];
uint8_t* q = b.data()[c];
- for (int y = 0; y < a.lines(c); ++y) {
+ int const lines = a.sample_size(c).height;
+ for (int y = 0; y < lines; ++y) {
if (memcmp (p, q, a.line_size()[c]) != 0) {
return false;
}
Image::fade (float f)
{
switch (_pixel_format) {
- case PIX_FMT_YUV420P:
- case PIX_FMT_YUV422P:
- case PIX_FMT_YUV444P:
- case PIX_FMT_YUV411P:
- case PIX_FMT_YUVJ420P:
- case PIX_FMT_YUVJ422P:
- case PIX_FMT_YUVJ444P:
- case PIX_FMT_RGB24:
- case PIX_FMT_ARGB:
- case PIX_FMT_RGBA:
- case PIX_FMT_ABGR:
- case PIX_FMT_BGRA:
- case PIX_FMT_RGB555LE:
+ case AV_PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV444P:
+ case AV_PIX_FMT_YUV411P:
+ case AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_YUVJ422P:
+ case AV_PIX_FMT_YUVJ444P:
+ case AV_PIX_FMT_RGB24:
+ case AV_PIX_FMT_ARGB:
+ case AV_PIX_FMT_RGBA:
+ case AV_PIX_FMT_ABGR:
+ case AV_PIX_FMT_BGRA:
+ case AV_PIX_FMT_RGB555LE:
/* 8-bit */
for (int c = 0; c < 3; ++c) {
uint8_t* p = data()[c];
- for (int y = 0; y < lines(c); ++y) {
+ int const lines = sample_size(c).height;
+ for (int y = 0; y < lines; ++y) {
uint8_t* q = p;
for (int x = 0; x < line_size()[c]; ++x) {
*q = int (float (*q) * f);
}
break;
- case PIX_FMT_YUV422P9LE:
- case PIX_FMT_YUV444P9LE:
- case PIX_FMT_YUV422P10LE:
- case PIX_FMT_YUV444P10LE:
- case PIX_FMT_YUV422P16LE:
- case PIX_FMT_YUV444P16LE:
+ case AV_PIX_FMT_YUV422P9LE:
+ case AV_PIX_FMT_YUV444P9LE:
+ case AV_PIX_FMT_YUV422P10LE:
+ case AV_PIX_FMT_YUV444P10LE:
+ case AV_PIX_FMT_YUV422P16LE:
+ case AV_PIX_FMT_YUV444P16LE:
case AV_PIX_FMT_YUVA420P9LE:
case AV_PIX_FMT_YUVA422P9LE:
case AV_PIX_FMT_YUVA444P9LE:
int const stride_pixels = stride()[c] / 2;
int const line_size_pixels = line_size()[c] / 2;
uint16_t* p = reinterpret_cast<uint16_t*> (data()[c]);
- for (int y = 0; y < lines(c); ++y) {
+ int const lines = sample_size(c).height;
+ for (int y = 0; y < lines; ++y) {
uint16_t* q = p;
for (int x = 0; x < line_size_pixels; ++x) {
*q = int (float (*q) * f);
}
break;
- case PIX_FMT_YUV422P9BE:
- case PIX_FMT_YUV444P9BE:
- case PIX_FMT_YUV444P10BE:
- case PIX_FMT_YUV422P10BE:
+ case AV_PIX_FMT_YUV422P9BE:
+ case AV_PIX_FMT_YUV444P9BE:
+ case AV_PIX_FMT_YUV444P10BE:
+ case AV_PIX_FMT_YUV422P10BE:
case AV_PIX_FMT_YUVA420P9BE:
case AV_PIX_FMT_YUVA422P9BE:
case AV_PIX_FMT_YUVA444P9BE:
int const stride_pixels = stride()[c] / 2;
int const line_size_pixels = line_size()[c] / 2;
uint16_t* p = reinterpret_cast<uint16_t*> (data()[c]);
- for (int y = 0; y < lines(c); ++y) {
+ int const lines = sample_size(c).height;
+ for (int y = 0; y < lines; ++y) {
uint16_t* q = p;
for (int x = 0; x < line_size_pixels; ++x) {
*q = swap_16 (int (float (swap_16 (*q)) * f));
}
break;
- case PIX_FMT_UYVY422:
+ case AV_PIX_FMT_UYVY422:
{
- int const Y = lines(0);
+ int const Y = sample_size(0).height;
int const X = line_size()[0];
uint8_t* p = data()[0];
for (int y = 0; y < Y; ++y) {
projects / dcpomatic.git / blobdiff