SkVideoEncoder.cpp File Reference

#include "experimental/ffmpeg/SkVideoEncoder.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkImage.h"
#include "include/private/base/SkTDArray.h"
#include "libswscale/swscale.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkSurface.h"
#include "src/core/SkYUVMath.h"

Go to the source code of this file.

Classes
class	SkRandomAccessWStream

Functions
static bool	check_err (int err, const int silentList[]=nullptr)
static int	sk_write_packet (void *ctx, uint8_t *buffer, int size)
static int64_t	sk_seek_packet (void *ctx, int64_t pos, int whence)
static bool	is_valid (SkISize dim)

Function Documentation

check_err()

static bool check_err ( int  err, const int  silentList[] = nullptr  )

static

Definition at line 62 of file SkVideoEncoder.cpp.

                                                                 {
    if (err >= 0) {
        return false;
    }
 
    if (silentList) {
        for (; *silentList; ++silentList) {
            if (*silentList == err) {
                return true;    // we still report the error, but we don't printf
            }
        }
    }
 
    char errbuf[128];
    const char *errbuf_ptr = errbuf;
 
    if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) {
        errbuf_ptr = strerror(AVUNERROR(err));
    }
    SkDebugf("%s\n", errbuf_ptr);
    return true;
}

is_valid()

static bool is_valid ( SkISize  dim )

static

Definition at line 220 of file SkVideoEncoder.cpp.

                                  {
    if (dim.width() <= 0 || dim.height() <= 0) {
        return false;
    }
    // need the dimensions to be even for YUV 420
    return ((dim.width() | dim.height()) & 1) == 0;
}

sk_seek_packet()

static int64_t sk_seek_packet ( void *  ctx, int64_t  pos, int  whence  )

static

Definition at line 91 of file SkVideoEncoder.cpp.

                                                                  {
    SkRandomAccessWStream* stream = (SkRandomAccessWStream*)ctx;
    switch (whence) {
        case SEEK_SET:
            break;
        case SEEK_CUR:
            pos = (int64_t)stream->pos() + pos;
            break;
        case SEEK_END:
            pos = (int64_t)stream->size() + pos;
            break;
        default:
            return -1;
    }
    if (pos < 0 || pos > (int64_t)stream->size()) {
        return -1;
    }
    stream->seek(SkToSizeT(pos));
    return pos;
}

sk_write_packet()

static int sk_write_packet ( void *  ctx, uint8_t *  buffer, int  size  )

static

Definition at line 85 of file SkVideoEncoder.cpp.

                                                                 {
    SkRandomAccessWStream* stream = (SkRandomAccessWStream*)ctx;
    stream->write(buffer, size);
    return size;
}