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Update Windows ffmpeg to 3.2.4
This commit is contained in:
Chris Burgener
204
Externals/ffmpeg/include/libavutil/pixdesc.h
vendored
204
Externals/ffmpeg/include/libavutil/pixdesc.h
vendored
@ -85,16 +85,16 @@ typedef struct AVPixFmtDescriptor {
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/**
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* Amount to shift the luma width right to find the chroma width.
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* For YV12 this is 1 for example.
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* chroma_width = -((-luma_width) >> log2_chroma_w)
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* chroma_width = AV_CEIL_RSHIFT(luma_width, log2_chroma_w)
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* The note above is needed to ensure rounding up.
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* This value only refers to the chroma components.
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*/
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uint8_t log2_chroma_w; ///< chroma_width = -((-luma_width )>>log2_chroma_w)
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uint8_t log2_chroma_w;
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/**
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* Amount to shift the luma height right to find the chroma height.
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* For YV12 this is 1 for example.
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* chroma_height= -((-luma_height) >> log2_chroma_h)
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* chroma_height= AV_CEIL_RSHIFT(luma_height, log2_chroma_h)
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* The note above is needed to ensure rounding up.
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* This value only refers to the chroma components.
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*/
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@ -172,78 +172,6 @@ typedef struct AVPixFmtDescriptor {
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*/
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#define AV_PIX_FMT_FLAG_ALPHA (1 << 7)
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/**
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* Read a line from an image, and write the values of the
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* pixel format component c to dst.
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*
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* @param data the array containing the pointers to the planes of the image
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* @param linesize the array containing the linesizes of the image
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* @param desc the pixel format descriptor for the image
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* @param x the horizontal coordinate of the first pixel to read
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* @param y the vertical coordinate of the first pixel to read
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* @param w the width of the line to read, that is the number of
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* values to write to dst
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* @param read_pal_component if not zero and the format is a paletted
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* format writes the values corresponding to the palette
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* component c in data[1] to dst, rather than the palette indexes in
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* data[0]. The behavior is undefined if the format is not paletted.
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*/
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void av_read_image_line(uint16_t *dst, const uint8_t *data[4],
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const int linesize[4], const AVPixFmtDescriptor *desc,
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int x, int y, int c, int w, int read_pal_component);
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/**
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* Write the values from src to the pixel format component c of an
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* image line.
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*
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* @param src array containing the values to write
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* @param data the array containing the pointers to the planes of the
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* image to write into. It is supposed to be zeroed.
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* @param linesize the array containing the linesizes of the image
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* @param desc the pixel format descriptor for the image
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* @param x the horizontal coordinate of the first pixel to write
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* @param y the vertical coordinate of the first pixel to write
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* @param w the width of the line to write, that is the number of
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* values to write to the image line
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*/
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void av_write_image_line(const uint16_t *src, uint8_t *data[4],
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const int linesize[4], const AVPixFmtDescriptor *desc,
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int x, int y, int c, int w);
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/**
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* Return the pixel format corresponding to name.
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*
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* If there is no pixel format with name name, then looks for a
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* pixel format with the name corresponding to the native endian
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* format of name.
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* For example in a little-endian system, first looks for "gray16",
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* then for "gray16le".
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*
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* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
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*/
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enum AVPixelFormat av_get_pix_fmt(const char *name);
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/**
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* Return the short name for a pixel format, NULL in case pix_fmt is
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* unknown.
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*
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* @see av_get_pix_fmt(), av_get_pix_fmt_string()
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*/
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const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
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/**
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* Print in buf the string corresponding to the pixel format with
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* number pix_fmt, or a header if pix_fmt is negative.
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*
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* @param buf the buffer where to write the string
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* @param buf_size the size of buf
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* @param pix_fmt the number of the pixel format to print the
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* corresponding info string, or a negative value to print the
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* corresponding header.
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*/
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char *av_get_pix_fmt_string(char *buf, int buf_size,
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enum AVPixelFormat pix_fmt);
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/**
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* Return the number of bits per pixel used by the pixel format
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* described by pixdesc. Note that this is not the same as the number
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@ -292,8 +220,8 @@ enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc);
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* you do check the return code!
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*
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* @param[in] pix_fmt the pixel format
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* @param[out] h_shift store log2_chroma_w
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* @param[out] v_shift store log2_chroma_h
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* @param[out] h_shift store log2_chroma_w (horizontal/width shift)
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* @param[out] v_shift store log2_chroma_h (vertical/height shift)
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*
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* @return 0 on success, AVERROR(ENOSYS) on invalid or unknown pixel format
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*/
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@ -306,6 +234,103 @@ int av_pix_fmt_get_chroma_sub_sample(enum AVPixelFormat pix_fmt,
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*/
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int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt);
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/**
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* @return the name for provided color range or NULL if unknown.
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*/
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const char *av_color_range_name(enum AVColorRange range);
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/**
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* @return the name for provided color primaries or NULL if unknown.
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*/
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const char *av_color_primaries_name(enum AVColorPrimaries primaries);
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/**
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* @return the name for provided color transfer or NULL if unknown.
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*/
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const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer);
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/**
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* @return the name for provided color space or NULL if unknown.
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*/
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const char *av_color_space_name(enum AVColorSpace space);
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/**
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* @return the name for provided chroma location or NULL if unknown.
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*/
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const char *av_chroma_location_name(enum AVChromaLocation location);
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/**
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* Return the pixel format corresponding to name.
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*
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* If there is no pixel format with name name, then looks for a
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* pixel format with the name corresponding to the native endian
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* format of name.
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* For example in a little-endian system, first looks for "gray16",
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* then for "gray16le".
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*
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* Finally if no pixel format has been found, returns AV_PIX_FMT_NONE.
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*/
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enum AVPixelFormat av_get_pix_fmt(const char *name);
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/**
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* Return the short name for a pixel format, NULL in case pix_fmt is
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* unknown.
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*
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* @see av_get_pix_fmt(), av_get_pix_fmt_string()
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*/
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const char *av_get_pix_fmt_name(enum AVPixelFormat pix_fmt);
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/**
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* Print in buf the string corresponding to the pixel format with
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* number pix_fmt, or a header if pix_fmt is negative.
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*
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* @param buf the buffer where to write the string
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* @param buf_size the size of buf
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* @param pix_fmt the number of the pixel format to print the
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* corresponding info string, or a negative value to print the
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* corresponding header.
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*/
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char *av_get_pix_fmt_string(char *buf, int buf_size,
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enum AVPixelFormat pix_fmt);
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/**
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* Read a line from an image, and write the values of the
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* pixel format component c to dst.
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*
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* @param data the array containing the pointers to the planes of the image
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* @param linesize the array containing the linesizes of the image
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* @param desc the pixel format descriptor for the image
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* @param x the horizontal coordinate of the first pixel to read
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* @param y the vertical coordinate of the first pixel to read
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* @param w the width of the line to read, that is the number of
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* values to write to dst
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* @param read_pal_component if not zero and the format is a paletted
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* format writes the values corresponding to the palette
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* component c in data[1] to dst, rather than the palette indexes in
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* data[0]. The behavior is undefined if the format is not paletted.
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*/
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void av_read_image_line(uint16_t *dst, const uint8_t *data[4],
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const int linesize[4], const AVPixFmtDescriptor *desc,
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int x, int y, int c, int w, int read_pal_component);
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/**
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* Write the values from src to the pixel format component c of an
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* image line.
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*
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* @param src array containing the values to write
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* @param data the array containing the pointers to the planes of the
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* image to write into. It is supposed to be zeroed.
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* @param linesize the array containing the linesizes of the image
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* @param desc the pixel format descriptor for the image
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* @param x the horizontal coordinate of the first pixel to write
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* @param y the vertical coordinate of the first pixel to write
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* @param w the width of the line to write, that is the number of
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* values to write to the image line
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*/
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void av_write_image_line(const uint16_t *src, uint8_t *data[4],
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const int linesize[4], const AVPixFmtDescriptor *desc,
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int x, int y, int c, int w);
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/**
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* Utility function to swap the endianness of a pixel format.
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*
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@ -366,29 +391,4 @@ int av_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
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enum AVPixelFormat av_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
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enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr);
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/**
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* @return the name for provided color range or NULL if unknown.
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*/
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const char *av_color_range_name(enum AVColorRange range);
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/**
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* @return the name for provided color primaries or NULL if unknown.
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*/
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const char *av_color_primaries_name(enum AVColorPrimaries primaries);
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/**
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* @return the name for provided color transfer or NULL if unknown.
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*/
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const char *av_color_transfer_name(enum AVColorTransferCharacteristic transfer);
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/**
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* @return the name for provided color space or NULL if unknown.
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*/
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const char *av_color_space_name(enum AVColorSpace space);
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/**
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* @return the name for provided chroma location or NULL if unknown.
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*/
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const char *av_chroma_location_name(enum AVChromaLocation location);
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#endif /* AVUTIL_PIXDESC_H */
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