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64 if (
ctx->color_space >= 0) {
66 if (!(
ctx->color_warnings & 2)) {
68 "incompatible with profiles 0 and 2.\n");
69 ctx->color_warnings |= 2;
75 if (
ctx->color_range >= 0)
78 if (!(
ctx->color_warnings & 1) && !
header->color_range) {
80 "implicitly sets color range to PC range.\n");
81 ctx->color_warnings |= 1;
88 "profile 0 are automatically BT.601.\n");
89 ctx->color_warnings |= 4;
124 #define OFFSET(x) offsetof(VP9MetadataContext, x)
125 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_BSF_PARAM)
127 {
"color_space",
"Set colour space (section 7.2.2)",
145 {
"color_range",
"Set colour range (section 7.2.2)",
147 { .i64 = -1 }, -1, 1,
FLAGS,
"cr" },
149 { .i64 = 0 }, .flags =
FLAGS, .unit =
"cr" },
151 { .i64 = 1 }, .flags =
FLAGS, .unit =
"cr" },
168 .
name =
"vp9_metadata",
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
#define AV_LOG_WARNING
Something somehow does not look correct.
static av_cold int init(AVCodecContext *avctx)
CodedBitstreamFragment fragment
void * content
Pointer to the decomposed form of this unit.
Context structure for coded bitstream operations.
void ff_cbs_close(CodedBitstreamContext **ctx_ptr)
Close a context and free all internal state.
void ff_cbs_fragment_free(CodedBitstreamContext *ctx, CodedBitstreamFragment *frag)
Free the units array of a fragment in addition to what ff_cbs_fragment_reset does.
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
The bitstream filter state.
CodedBitstreamUnit * units
Pointer to an array of units of length nb_units_allocated.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Coded bitstream fragment structure, combining one or more units.
int ff_cbs_write_packet(CodedBitstreamContext *ctx, AVPacket *pkt, CodedBitstreamFragment *frag)
Write the bitstream of a fragment to a packet.
#define LIBAVUTIL_VERSION_INT
Describe the class of an AVClass context structure.
const char * av_default_item_name(void *ptr)
Return the context name.
CodedBitstreamContext * cbc
AVCodecID
Identify the syntax and semantics of the bitstream.
static const uint8_t header[24]
#define i(width, name, range_min, range_max)
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...
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several the filter must be ready for frames arriving randomly on any input any filter with several inputs will most likely require some kind of queuing mechanism It is perfectly acceptable to have a limited queue and to drop frames when the inputs are too unbalanced request_frame For filters that do not use the this method is called when a frame is wanted on an output For a it should directly call filter_frame on the corresponding output For a if there are queued frames already one of these frames should be pushed If the filter should request a frame on one of its repeatedly until at least one frame has been pushed Return or at least make progress towards producing a frame
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_reset(CodedBitstreamContext *ctx, 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.
static enum AVCodecID codec_ids[]
This structure stores compressed data.
int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
Called by bitstream filters to get packet for filtering.
int nb_units
Number of units in this fragment.