56 long value, range_start, range_end;
61 for (
str = list_string; *
str;) {
65 str = (
const char *)value_end;
69 range_end = strtol(
str, &value_end, 0);
112 if (
ctx->mode == NOOP)
122 for (j = 0; j <
ctx->nb_types; j++) {
126 if (
ctx->mode == REMOVE ? j < ctx->nb_types
127 : j >=
ctx->nb_types)
156 if (
ctx->pass_types &&
ctx->remove_types) {
158 "remove_types is required.\n");
162 if (
ctx->pass_types) {
165 &
ctx->type_list, &
ctx->nb_types);
170 }
else if (
ctx->remove_types) {
173 &
ctx->type_list, &
ctx->nb_types);
187 ctx->cbc->decompose_unit_types =
ctx->type_list;
188 ctx->cbc->nb_decompose_unit_types = 0;
218 #define OFFSET(x) offsetof(FilterUnitsContext, x)
219 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
221 {
"pass_types",
"List of unit types to pass through the filter.",
224 {
"remove_types",
"List of unit types to remove in the filter.",
239 .
name =
"filter_units",
static enum AVCodecID codec_ids[]
static av_cold int init(AVCodecContext *avctx)
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.
int ff_cbs_write_packet(CodedBitstreamContext *ctx, AVPacket *pkt, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to a packet.
enum AVCodecID ff_cbs_all_codec_ids[]
Table of all supported codec IDs.
void ff_cbs_delete_unit(CodedBitstreamFragment *frag, int position)
Delete a unit from a fragment and free all memory it uses.
void ff_cbs_close(CodedBitstreamContext **ctx_ptr)
Close a context and free all internal state.
int ff_cbs_write_extradata(CodedBitstreamContext *ctx, AVCodecParameters *par, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to the extradata in codec parameters.
void ff_cbs_fragment_reset(CodedBitstreamFragment *frag)
Free the units contained in a fragment as well as the fragment's own data buffer, but not the units a...
int ff_cbs_read_packet(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const AVPacket *pkt)
Read the data bitstream from a packet into a fragment, then split into units and decompose.
int ff_cbs_read_extradata(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag, const AVCodecParameters *par)
Read the extradata bitstream found in codec parameters into a fragment, then split into units and dec...
int ff_cbs_init(CodedBitstreamContext **ctx_ptr, enum AVCodecID codec_id, void *log_ctx)
Create and initialise a new context for the given codec.
void ff_cbs_fragment_free(CodedBitstreamFragment *frag)
Free the units array of a fragment in addition to what ff_cbs_fragment_reset does.
uint32_t CodedBitstreamUnitType
The codec-specific type of a bitstream unit.
static av_always_inline void filter(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int len, int clip)
common internal and external API header
static int filter_units_make_type_list(const char *list_string, CodedBitstreamUnitType **type_list, int *nb_types)
const AVBitStreamFilter ff_filter_units_bsf
static int filter_units_filter(AVBSFContext *bsf, AVPacket *pkt)
static int filter_units_init(AVBSFContext *bsf)
static void filter_units_close(AVBSFContext *bsf)
static const AVClass filter_units_class
static const AVOption filter_units_options[]
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
const char * av_default_item_name(void *ptr)
Return the context name.
#define LIBAVUTIL_VERSION_INT
The bitstream filter state.
void * priv_data
Opaque filter-specific private data.
AVCodecParameters * par_in
Parameters of the input stream.
AVCodecParameters * par_out
Parameters of the output stream.
Describe the class of an AVClass context structure.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
uint8_t * extradata
Extra binary data needed for initializing the decoder, codec-dependent.
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
This structure stores compressed data.
Context structure for coded bitstream operations.
Coded bitstream fragment structure, combining one or more units.
CodedBitstreamUnit * units
Pointer to an array of units of length nb_units_allocated.
int nb_units
Number of units in this fragment.
CodedBitstreamUnitType type
Codec-specific type of this unit.
enum FilterUnitsContext::@55 mode
CodedBitstreamFragment fragment
CodedBitstreamUnitType * type_list
const char * remove_types
CodedBitstreamContext * cbc
#define av_malloc_array(a, b)