56 #define OFFSET(x) offsetof(TelecineContext, x)
57 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
65 {
"pattern",
"pattern that describe for how many fields a frame is to be displayed",
OFFSET(pattern),
AV_OPT_TYPE_STRING, {.str=
"23"}, 0, 0,
FLAGS},
77 if (!strlen(
s->pattern)) {
82 for (p =
s->pattern; *p; p++) {
90 s->pts.den += *p -
'0';
95 s->out_cnt = (
max + 1) / 2;
96 av_log(
ctx,
AV_LOG_INFO,
"Telecine pattern %s yields up to %d frames per frame, pts advance factor: %d/%d\n",
97 s->pattern,
s->out_cnt,
s->pts.num,
s->pts.den);
125 for (
i = 0;
i <
s->out_cnt;
i++) {
135 s->planeheight[0] =
s->planeheight[3] = inlink->
h;
149 if (!fps.
num || !fps.
den) {
151 "current rate of %d/%d is invalid\n", fps.
num, fps.
den);
173 int i,
len, ret = 0, nout = 0;
176 s->start_time = inpicref->
pts;
178 len =
s->pattern[
s->pattern_pos] -
'0';
181 if (!
s->pattern[
s->pattern_pos])
191 for (
i = 0;
i <
s->nb_planes;
i++) {
194 s->frame[nout]->linesize[
i] * 2,
195 s->temp->data[
i] +
s->temp->linesize[
i] *
s->first_field,
196 s->temp->linesize[
i] * 2,
198 (
s->planeheight[
i] -
s->first_field + 1) / 2);
201 s->frame[nout]->linesize[
i] * 2,
205 (
s->planeheight[
i] - !
s->first_field + 1) / 2);
207 s->frame[nout]->interlaced_frame = 1;
208 s->frame[nout]->top_field_first = !
s->first_field;
217 for (
i = 0;
i <
s->nb_planes;
i++)
230 for (
i = 0;
i <
s->nb_planes;
i++)
238 for (
i = 0;
i < nout;
i++) {
267 for (
i = 0;
i <
s->out_cnt;
i++)
294 .priv_class = &telecine_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 AV_CEIL_RSHIFT(a, b)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
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.
int av_frame_make_writable(AVFrame *frame)
Ensure that the frame data is writable, avoiding data copy if possible.
#define AV_LOG_VERBOSE
Detailed information.
#define AV_LOG_INFO
Standard information.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
AVRational av_mul_q(AVRational b, AVRational c)
Multiply two rationals.
static av_always_inline AVRational av_inv_q(AVRational q)
Invert a rational.
int64_t av_rescale(int64_t a, int64_t b, int64_t c)
Rescale a 64-bit integer with rounding to nearest.
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
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.
static av_const int av_isdigit(int c)
Locale-independent conversion of ASCII isdigit.
#define AV_NOPTS_VALUE
Undefined timestamp value.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#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.
Describe the class of an AVClass context structure.
void * priv
private data for use by the filter
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * src
source filter
int64_t frame_count_in
Number of past frames sent through the link.
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0,...
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.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
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...
Rational number (pair of numerator and denominator).
static int first_field(const struct video_data *s)
static const AVFilterPad telecine_inputs[]
AVFILTER_DEFINE_CLASS(telecine)
static const AVFilterPad telecine_outputs[]
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
static av_cold int init(AVFilterContext *ctx)
static av_cold void uninit(AVFilterContext *ctx)
static const AVOption telecine_options[]
static int config_output(AVFilterLink *outlink)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.