57 desc->nb_components && !
desc->log2_chroma_h &&
82 int h, plane, src_line_step, dst_line_step, line_size,
line;
91 "frame with same field order" :
"progressive frame");
107 "picture will move %s one line\n",
108 s->dst_tff ?
"up" :
"down");
111 dst_line_step =
out->linesize[plane] * (
h > 2);
113 line_size =
s->line_size[plane];
114 dst =
out->data[plane];
124 memcpy(dst,
src + src_line_step, line_size);
126 memcpy(dst,
src - 2 * src_line_step, line_size);
128 dst += dst_line_step;
129 src += src_line_step;
137 dst += (
h - 1) * dst_line_step;
138 src += (
h - 1) * src_line_step;
141 memcpy(dst,
src - src_line_step, line_size);
143 memcpy(dst,
src + 2 * src_line_step, line_size);
145 dst -= dst_line_step;
146 src -= src_line_step;
150 out->top_field_first =
s->dst_tff;
157 #define OFFSET(x) offsetof(FieldOrderContext, x)
158 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
188 .
name =
"fieldorder",
191 .priv_class = &fieldorder_class,
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Main libavfilter public API header.
#define flags(name, subs,...)
static enum AVPixelFormat pix_fmt
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
int av_frame_is_writable(AVFrame *frame)
Check if the frame data is writable.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
#define AV_LOG_VERBOSE
Detailed information.
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
enum AVPixelFormat av_pix_fmt_desc_get_id(const AVPixFmtDescriptor *desc)
const AVPixFmtDescriptor * av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
Iterate over all pixel format descriptors known to libavutil.
#define AV_PIX_FMT_FLAG_BITSTREAM
All values of a component are bit-wise packed end to end.
#define AV_PIX_FMT_FLAG_HWACCEL
Pixel format is an HW accelerated format.
#define AV_PIX_FMT_FLAG_PAL
Pixel format has a palette in data[1], values are indexes in this palette.
AVPixelFormat
Pixel format.
Describe the class of an AVClass context structure.
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
This structure describes decoded (raw) audio or video data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int top_field_first
If the content is interlaced, is top field displayed first.
int interlaced_frame
The content of the picture is interlaced.
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
int dst_tff
output bff/tff
int line_size[4]
bytes of pixel data per line for each plane
static const AVFilterPad avfilter_vf_fieldorder_inputs[]
static const AVFilterPad avfilter_vf_fieldorder_outputs[]
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
AVFilter ff_vf_fieldorder
static const AVOption fieldorder_options[]
AVFILTER_DEFINE_CLASS(fieldorder)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.