93 #define OFFSET(x) offsetof(RemoveExtradataContext, x) 94 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM) 112 .
name =
"remove_extra",
114 .priv_class = &remove_extradata_class,
#define LIBAVUTIL_VERSION_INT
static av_cold int init(AVCodecContext *avctx)
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
The bitstream filter state.
const char * av_default_item_name(void *ptr)
Return the context name.
int(* split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
void * priv_data
Opaque filter-specific private data.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
int avcodec_parameters_to_context(AVCodecContext *codec, const AVCodecParameters *par)
Fill the codec context based on the values from the supplied codec parameters.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
filter_frame For filters that do not use the this method is called when a frame is pushed to the filter s input It can be called at any time except in a reentrant way If the input frame is enough to produce then the filter should push the output frames on the output link immediately As an exception to the previous rule if the input frame is enough to produce several output frames then the filter needs output only at least one per link The additional frames can be left buffered in the filter
struct AVCodecParser * parser
int flags
A combination of AV_PKT_FLAG values.
AVCodecContext * avcodec_alloc_context3(const AVCodec *codec)
Allocate an AVCodecContext and set its fields to default values.
void av_parser_close(AVCodecParserContext *s)
AVCodecParserContext * av_parser_init(int codec_id)
Libavcodec external API header.
void avcodec_free_context(AVCodecContext **avctx)
Free the codec context and everything associated with it and write NULL to the provided pointer...
main external API structure.
Describe the class of an AVClass context structure.
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later.That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another.Frame references ownership and permissions
This structure stores compressed data.
AVCodecParameters * par_in
Parameters of the input stream.
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.