> On May 2, 2024, at 21:27, Andrew Sayers <ffmpeg-de...@pileofstuff.org> wrote:
>
> On Thu, May 02, 2024 at 09:00:42PM +0800, Zhao Zhili wrote:
>>
>>
>>> On May 2, 2024, at 19:01, Lynne <d...@lynne.ee> wrote:
>>>
>>> Apr 29, 2024, 11:24 by ffmpeg-de...@pileofstuff.org:
>>>
>>>> Some headings needed to be rewritten to accomodate the text,
>>>> (hopefully) without changing the meaning.
>>>> ---
>>>> libavcodec/aac/aacdec.h | 2 +-
>>>> libavcodec/aacenc.h | 2 +-
>>>> libavcodec/ac3enc.h | 2 +-
>>>> libavcodec/amfenc.h | 2 +-
>>>> libavcodec/atrac.h | 2 +-
>>>> libavcodec/avcodec.h | 3 ++-
>>>> libavcodec/bsf.h | 2 +-
>>>> libavcodec/cbs.h | 2 +-
>>>> libavcodec/d3d11va.h | 3 +--
>>>> libavcodec/h264dsp.h | 2 +-
>>>> libavcodec/h264pred.h | 2 +-
>>>> libavcodec/mediacodec.h | 2 +-
>>>> libavcodec/mpegaudiodec_template.c | 2 +-
>>>> libavcodec/pthread_frame.c | 4 ++--
>>>> libavcodec/qsv.h | 6 ++++--
>>>> libavcodec/sbr.h | 2 +-
>>>> libavcodec/smacker.c | 2 +-
>>>> libavcodec/vdpau.h | 3 ++-
>>>> libavcodec/videotoolbox.h | 5 +++--
>>>> libavfilter/avfilter.h | 2 +-
>>>> libavformat/avformat.h | 3 ++-
>>>> libavformat/avio.h | 3 ++-
>>>> libavutil/audio_fifo.h | 2 +-
>>>> libavutil/hwcontext.h | 21 ++++++++++++---------
>>>> libavutil/hwcontext_cuda.h | 2 +-
>>>> libavutil/hwcontext_d3d11va.h | 4 ++--
>>>> libavutil/hwcontext_d3d12va.h | 6 +++---
>>>> libavutil/hwcontext_drm.h | 2 +-
>>>> libavutil/hwcontext_dxva2.h | 4 ++--
>>>> libavutil/hwcontext_mediacodec.h | 2 +-
>>>> libavutil/hwcontext_opencl.h | 4 ++--
>>>> libavutil/hwcontext_qsv.h | 4 ++--
>>>> libavutil/hwcontext_vaapi.h | 6 +++---
>>>> libavutil/hwcontext_vdpau.h | 2 +-
>>>> libavutil/hwcontext_vulkan.h | 4 ++--
>>>> libavutil/lfg.h | 2 +-
>>>> 36 files changed, 66 insertions(+), 57 deletions(-)
>>>>
>>>> diff --git a/libavcodec/aac/aacdec.h b/libavcodec/aac/aacdec.h
>>>> index 4cf764e2e9..71d61813f4 100644
>>>> --- a/libavcodec/aac/aacdec.h
>>>> +++ b/libavcodec/aac/aacdec.h
>>>> @@ -248,7 +248,7 @@ typedef struct AACDecDSP {
>>>> } AACDecDSP;
>>>>
>>>> /**
>>>> - * main AAC decoding context
>>>> + * main AAC decoding @ref md_doc_2context "context"
>>>> */
>>>> struct AACDecContext {
>>>> const struct AVClass *class;
>>>> diff --git a/libavcodec/aacenc.h b/libavcodec/aacenc.h
>>>> index d07960620e..1a645f4719 100644
>>>> --- a/libavcodec/aacenc.h
>>>> +++ b/libavcodec/aacenc.h
>>>> @@ -207,7 +207,7 @@ typedef struct AACPCEInfo {
>>>> } AACPCEInfo;
>>>>
>>>> /**
>>>> - * AAC encoder context
>>>> + * AAC encoder @ref md_doc_2context "context"
>>>> */
>>>> typedef struct AACEncContext {
>>>> AVClass *av_class;
>>>> diff --git a/libavcodec/ac3enc.h b/libavcodec/ac3enc.h
>>>> index 30812617cc..c725007077 100644
>>>> --- a/libavcodec/ac3enc.h
>>>> +++ b/libavcodec/ac3enc.h
>>>> @@ -152,7 +152,7 @@ typedef struct AC3Block {
>>>> } AC3Block;
>>>>
>>>> /**
>>>> - * AC-3 encoder private context.
>>>> + * AC-3 encoder private @ref md_doc_2context "context"
>>>> */
>>>> typedef struct AC3EncodeContext {
>>>> AVClass *av_class; ///< AVClass used for AVOption
>>>> diff --git a/libavcodec/amfenc.h b/libavcodec/amfenc.h
>>>> index 2dbd378ef8..f142ede63a 100644
>>>> --- a/libavcodec/amfenc.h
>>>> +++ b/libavcodec/amfenc.h
>>>> @@ -43,7 +43,7 @@ typedef struct AmfTraceWriter {
>>>> } AmfTraceWriter;
>>>>
>>>> /**
>>>> -* AMF encoder context
>>>> +* AMF encoder @ref md_doc_2context "context"
>>>> */
>>>>
>>>> typedef struct AmfContext {
>>>> diff --git a/libavcodec/atrac.h b/libavcodec/atrac.h
>>>> index 05208bbee6..1527e376a9 100644
>>>> --- a/libavcodec/atrac.h
>>>> +++ b/libavcodec/atrac.h
>>>> @@ -39,7 +39,7 @@ typedef struct AtracGainInfo {
>>>> } AtracGainInfo;
>>>>
>>>> /**
>>>> - * Gain compensation context structure.
>>>> + * Gain compensation @ref md_doc_2context "context"
>>>> */
>>>> typedef struct AtracGCContext {
>>>> float gain_tab1[16]; ///< gain compensation level table
>>>> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
>>>> index 968009a192..9180fedca7 100644
>>>> --- a/libavcodec/avcodec.h
>>>> +++ b/libavcodec/avcodec.h
>>>> @@ -430,7 +430,8 @@ typedef struct RcOverride{
>>>> #define AV_GET_ENCODE_BUFFER_FLAG_REF (1 << 0)
>>>>
>>>> /**
>>>> - * main external API structure.
>>>> + * @ref md_doc_2context "Context" for an encode or decode session
>>>> + *
>>>> * New fields can be added to the end with minor version bumps.
>>>> * Removal, reordering and changes to existing fields require a major
>>>> * version bump.
>>>> diff --git a/libavcodec/bsf.h b/libavcodec/bsf.h
>>>> index a09c69f242..bf79afa7cc 100644
>>>> --- a/libavcodec/bsf.h
>>>> +++ b/libavcodec/bsf.h
>>>> @@ -56,7 +56,7 @@
>>>> */
>>>>
>>>> /**
>>>> - * The bitstream filter state.
>>>> + * Bitstream filter @ref md_doc_2context "context"
>>>> *
>>>> * This struct must be allocated with av_bsf_alloc() and freed with
>>>> * av_bsf_free().
>>>> diff --git a/libavcodec/cbs.h b/libavcodec/cbs.h
>>>> index d479b1ac2d..0ff64d2fef 100644
>>>> --- a/libavcodec/cbs.h
>>>> +++ b/libavcodec/cbs.h
>>>> @@ -214,7 +214,7 @@ typedef void (*CBSTraceWriteCallback)(void
>>>> *trace_context,
>>>> int64_t value);
>>>>
>>>> /**
>>>> - * Context structure for coded bitstream operations.
>>>> + * @ref md_doc_2context "Context" structure for coded bitstream
>>>> operations.
>>>> */
>>>> typedef struct CodedBitstreamContext {
>>>> /**
>>>> diff --git a/libavcodec/d3d11va.h b/libavcodec/d3d11va.h
>>>> index 27f40e5519..ec0c472ab9 100644
>>>> --- a/libavcodec/d3d11va.h
>>>> +++ b/libavcodec/d3d11va.h
>>>> @@ -46,8 +46,7 @@
>>>> */
>>>>
>>>> /**
>>>> - * This structure is used to provides the necessary configurations and
>>>> data
>>>> - * to the Direct3D11 FFmpeg HWAccel implementation.
>>>> + * @ref md_doc_2context "Context" for the Direct3D11 FFmpeg HWAccel
>>>> implementation
>>>> *
>>>> * The application must make it available as AVCodecContext.hwaccel_context.
>>>> *
>>>> diff --git a/libavcodec/h264dsp.h b/libavcodec/h264dsp.h
>>>> index e0880c4d88..27256c5605 100644
>>>> --- a/libavcodec/h264dsp.h
>>>> +++ b/libavcodec/h264dsp.h
>>>> @@ -37,7 +37,7 @@ typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t
>>>> *src,
>>>> int weightd, int weights, int offset);
>>>>
>>>> /**
>>>> - * Context for storing H.264 DSP functions
>>>> + * @ref md_doc_2context "Context" for storing H.264 DSP functions
>>>> */
>>>> typedef struct H264DSPContext {
>>>> /* weighted MC */
>>>> diff --git a/libavcodec/h264pred.h b/libavcodec/h264pred.h
>>>> index cb008548fc..2b076f8846 100644
>>>> --- a/libavcodec/h264pred.h
>>>> +++ b/libavcodec/h264pred.h
>>>> @@ -89,7 +89,7 @@
>>>> #define PART_NOT_AVAILABLE -2
>>>>
>>>> /**
>>>> - * Context for storing H.264 prediction functions
>>>> + * @ref md_doc_2context "Context" for storing H.264 prediction functions
>>>> */
>>>> typedef struct H264PredContext {
>>>> void(*pred4x4[9 + 3 + 3])(uint8_t *src, const uint8_t *topright,
>>>> diff --git a/libavcodec/mediacodec.h b/libavcodec/mediacodec.h
>>>> index 4e9b56a618..9967a7cfb3 100644
>>>> --- a/libavcodec/mediacodec.h
>>>> +++ b/libavcodec/mediacodec.h
>>>> @@ -26,7 +26,7 @@
>>>> #include "libavcodec/avcodec.h"
>>>>
>>>> /**
>>>> - * This structure holds a reference to a android/view/Surface object that
>>>> will
>>>> + * @ref md_doc_2context "Context" for the android/view/Surface object
>>>> that will
>>>> * be used as output by the decoder.
>>>> *
>>>> */
>>>> diff --git a/libavcodec/mpegaudiodec_template.c
>>>> b/libavcodec/mpegaudiodec_template.c
>>>> index c73b1e0054..15d63215d1 100644
>>>> --- a/libavcodec/mpegaudiodec_template.c
>>>> +++ b/libavcodec/mpegaudiodec_template.c
>>>> @@ -1691,7 +1691,7 @@ static int decode_frame_adu(AVCodecContext *avctx,
>>>> AVFrame *frame,
>>>> #if CONFIG_MP3ON4_DECODER || CONFIG_MP3ON4FLOAT_DECODER
>>>>
>>>> /**
>>>> - * Context for MP3On4 decoder
>>>> + * @ref md_doc_2context "Context" for MP3On4 decoder
>>>> */
>>>> typedef struct MP3On4DecodeContext {
>>>> int frames; ///< number of mp3 frames per block
>>>> (number of mp3 decoder instances)
>>>> diff --git a/libavcodec/pthread_frame.c b/libavcodec/pthread_frame.c
>>>> index 67f09c1f48..74f05eedcf 100644
>>>> --- a/libavcodec/pthread_frame.c
>>>> +++ b/libavcodec/pthread_frame.c
>>>> @@ -71,7 +71,7 @@ typedef struct ThreadFrameProgress {
>>>> } ThreadFrameProgress;
>>>>
>>>> /**
>>>> - * Context used by codec threads and stored in their AVCodecInternal
>>>> thread_ctx.
>>>> + * @ref md_doc_2context "Context" used by codec threads and stored in
>>>> their AVCodecInternal thread_ctx.
>>>> */
>>>> typedef struct PerThreadContext {
>>>> struct FrameThreadContext *parent;
>>>> @@ -111,7 +111,7 @@ typedef struct PerThreadContext {
>>>> } PerThreadContext;
>>>>
>>>> /**
>>>> - * Context stored in the client AVCodecInternal thread_ctx.
>>>> + * @ref md_doc_2context "Context" stored in the client AVCodecInternal
>>>> thread_ctx.
>>>> */
>>>> typedef struct FrameThreadContext {
>>>> PerThreadContext *threads; ///< The contexts for each thread.
>>>> diff --git a/libavcodec/qsv.h b/libavcodec/qsv.h
>>>> index c156b08d07..8b8160a4b1 100644
>>>> --- a/libavcodec/qsv.h
>>>> +++ b/libavcodec/qsv.h
>>>> @@ -26,8 +26,10 @@
>>>> #include "libavutil/buffer.h"
>>>>
>>>> /**
>>>> - * This struct is used for communicating QSV parameters between
>>>> libavcodec and
>>>> - * the caller. It is managed by the caller and must be assigned to
>>>> + * @ref md_doc_2context "Context" for communicating QSV parameters
>>>> between libavcodec
>>>> + * and the caller.
>>>> + *
>>>> + * It is managed by the caller and must be assigned to
>>>> * AVCodecContext.hwaccel_context.
>>>> * - decoding: hwaccel_context must be set on return from the get_format()
>>>> * callback
>>>> diff --git a/libavcodec/sbr.h b/libavcodec/sbr.h
>>>> index fe3a39603a..98ad9024a9 100644
>>>> --- a/libavcodec/sbr.h
>>>> +++ b/libavcodec/sbr.h
>>>> @@ -116,7 +116,7 @@ typedef struct SBRData {
>>>> typedef struct SpectralBandReplication SpectralBandReplication;
>>>>
>>>> /**
>>>> - * aacsbr functions pointers
>>>> + * aacsbr functions pointer @ref md_doc_2context "context"
>>>> */
>>>> typedef struct AACSBRContext {
>>>> int (*sbr_lf_gen)(SpectralBandReplication *sbr,
>>>> diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
>>>> index 8f198d6957..1ca39a74a0 100644
>>>> --- a/libavcodec/smacker.c
>>>> +++ b/libavcodec/smacker.c
>>>> @@ -68,7 +68,7 @@ typedef struct HuffEntry {
>>>> } HuffEntry;
>>>>
>>>> /**
>>>> - * Context used for code reconstructing
>>>> + * @ref md_doc_2context "Context" used for code reconstructing
>>>> */
>>>> typedef struct HuffContext {
>>>> int current;
>>>> diff --git a/libavcodec/vdpau.h b/libavcodec/vdpau.h
>>>> index 8021c25761..227b85727d 100644
>>>> --- a/libavcodec/vdpau.h
>>>> +++ b/libavcodec/vdpau.h
>>>> @@ -64,8 +64,9 @@ typedef int (*AVVDPAU_Render2)(struct AVCodecContext *,
>>>> struct AVFrame *,
>>>> const VdpBitstreamBuffer *);
>>>>
>>>> /**
>>>> - * This structure is used to share data between the libavcodec library and
>>>> + * @ref md_doc_2context "Context" to share data between the libavcodec
>>>> library and
>>>> * the client video application.
>>>> + *
>>>> * This structure will be allocated and stored in
>>>> AVCodecContext.hwaccel_context
>>>> * by av_vdpau_bind_context(). Members can be set by the user once
>>>> * during initialization or through each AVCodecContext.get_buffer()
>>>> diff --git a/libavcodec/videotoolbox.h b/libavcodec/videotoolbox.h
>>>> index d68d76e400..f15e79f325 100644
>>>> --- a/libavcodec/videotoolbox.h
>>>> +++ b/libavcodec/videotoolbox.h
>>>> @@ -49,8 +49,9 @@
>>>> #include "libavutil/attributes.h"
>>>>
>>>> /**
>>>> - * This struct holds all the information that needs to be passed
>>>> - * between the caller and libavcodec for initializing Videotoolbox
>>>> decoding.
>>>> + * @ref md_doc_2context "Context" for information passed between the
>>>> caller and libavcodec
>>>> + * for initializing Videotoolbox decoding.
>>>> + *
>>>> * Its size is not a part of the public ABI, it must be allocated with
>>>> * av_videotoolbox_alloc_context() and freed with av_free().
>>>> */
>>>> diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
>>>> index a34e61f23c..54b5f9dc43 100644
>>>> --- a/libavfilter/avfilter.h
>>>> +++ b/libavfilter/avfilter.h
>>>> @@ -403,7 +403,7 @@ unsigned avfilter_filter_pad_count(const AVFilter
>>>> *filter, int is_output);
>>>> */
>>>> #define AVFILTER_THREAD_SLICE (1 << 0)
>>>>
>>>> -/** An instance of a filter */
>>>> +/** @ref md_doc_2context "Context" for a filter */
>>>> struct AVFilterContext {
>>>> const AVClass *av_class; ///< needed for av_log() and filters
>>>> common options
>>>>
>>>> diff --git a/libavformat/avformat.h b/libavformat/avformat.h
>>>> index 8afdcd9fd0..28243c06c4 100644
>>>> --- a/libavformat/avformat.h
>>>> +++ b/libavformat/avformat.h
>>>> @@ -1241,7 +1241,8 @@ enum AVDurationEstimationMethod {
>>>> };
>>>>
>>>> /**
>>>> - * Format I/O context.
>>>> + * Format I/O @ref md_doc_2context "context"
>>>> + *
>>>> * New fields can be added to the end with minor version bumps.
>>>> * Removal, reordering and changes to existing fields require a major
>>>> * version bump.
>>>> diff --git a/libavformat/avio.h b/libavformat/avio.h
>>>> index ebf611187d..b525c93194 100644
>>>> --- a/libavformat/avio.h
>>>> +++ b/libavformat/avio.h
>>>> @@ -146,7 +146,8 @@ enum AVIODataMarkerType {
>>>> };
>>>>
>>>> /**
>>>> - * Bytestream IO Context.
>>>> + * Bytestream I/O @ref md_doc_2context "context"
>>>> + *
>>>> * New public fields can be added with minor version bumps.
>>>> * Removal, reordering and changes to existing public fields require
>>>> * a major version bump.
>>>> diff --git a/libavutil/audio_fifo.h b/libavutil/audio_fifo.h
>>>> index fa5f59a2be..de29715462 100644
>>>> --- a/libavutil/audio_fifo.h
>>>> +++ b/libavutil/audio_fifo.h
>>>> @@ -39,7 +39,7 @@
>>>> */
>>>>
>>>> /**
>>>> - * Context for an Audio FIFO Buffer.
>>>> + * @ref md_doc_2context "Context" for an Audio FIFO Buffer.
>>>> *
>>>> * - Operates at the sample level rather than the byte level.
>>>> * - Supports multiple channels with either planar or packed sample format.
>>>> diff --git a/libavutil/hwcontext.h b/libavutil/hwcontext.h
>>>> index bac30debae..60064cf08b 100644
>>>> --- a/libavutil/hwcontext.h
>>>> +++ b/libavutil/hwcontext.h
>>>> @@ -41,12 +41,13 @@ enum AVHWDeviceType {
>>>> };
>>>>
>>>> /**
>>>> - * This struct aggregates all the (hardware/vendor-specific) "high-level"
>>>> state,
>>>> - * i.e. state that is not tied to a concrete processing configuration.
>>>> - * E.g., in an API that supports hardware-accelerated encoding and
>>>> decoding,
>>>> - * this struct will (if possible) wrap the state that is common to both
>>>> encoding
>>>> - * and decoding and from which specific instances of encoders or decoders
>>>> can be
>>>> - * derived.
>>>> + * @ref md_doc_2context "Context" for (hardware/vendor-specific)
>>>> "high-level" state.
>>>> + *
>>>> + * "High-level state" is anything that is not tied to a concrete
>>>> processing
>>>> + * configuration. E.g., in an API that supports hardware-accelerated
>>>> encoding
>>>> + * and decoding, this struct will (if possible) wrap the state that is
>>>> common
>>>> + * to both encoding and decoding and from which specific instances of
>>>> encoders
>>>> + * or decoders can be derived.
>>>> *
>>>> * This struct is reference-counted with the AVBuffer mechanism. The
>>>> * av_hwdevice_ctx_alloc() constructor yields a reference, whose data field
>>>> @@ -103,9 +104,11 @@ typedef struct AVHWDeviceContext {
>>>> } AVHWDeviceContext;
>>>>
>>>> /**
>>>> - * This struct describes a set or pool of "hardware" frames (i.e. those
>>>> with
>>>> - * data not located in normal system memory). All the frames in the pool
>>>> are
>>>> - * assumed to be allocated in the same way and interchangeable.
>>>> + * @ref md_doc_2context "context" for a pool of "hardware" frames (those
>>>> with
>>>> + * data not located in normal system memory)
>>>> + *
>>>> + * All the frames in the pool are assumed to be allocated in the same way
>>>> and
>>>> + * interchangeable.
>>>> *
>>>> * This struct is reference-counted with the AVBuffer mechanism and tied to
>>>> a
>>>> * given AVHWDeviceContext instance. The av_hwframe_ctx_alloc() constructor
>>>> diff --git a/libavutil/hwcontext_cuda.h b/libavutil/hwcontext_cuda.h
>>>> index cbad434fea..e259892688 100644
>>>> --- a/libavutil/hwcontext_cuda.h
>>>> +++ b/libavutil/hwcontext_cuda.h
>>>> @@ -37,7 +37,7 @@
>>>> typedef struct AVCUDADeviceContextInternal AVCUDADeviceContextInternal;
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVCUDADeviceContext {
>>>> CUcontext cuda_ctx;
>>>> diff --git a/libavutil/hwcontext_d3d11va.h b/libavutil/hwcontext_d3d11va.h
>>>> index 77d2d72f1b..101d1cb6f8 100644
>>>> --- a/libavutil/hwcontext_d3d11va.h
>>>> +++ b/libavutil/hwcontext_d3d11va.h
>>>> @@ -40,7 +40,7 @@
>>>> #include <stdint.h>
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVD3D11VADeviceContext {
>>>> /**
>>>> @@ -126,7 +126,7 @@ typedef struct AVD3D11FrameDescriptor {
>>>> } AVD3D11FrameDescriptor;
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWFramesContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx
>>>> */
>>>> typedef struct AVD3D11VAFramesContext {
>>>> /**
>>>> diff --git a/libavutil/hwcontext_d3d12va.h b/libavutil/hwcontext_d3d12va.h
>>>> index ff06e6f2ef..c623914c2b 100644
>>>> --- a/libavutil/hwcontext_d3d12va.h
>>>> +++ b/libavutil/hwcontext_d3d12va.h
>>>> @@ -37,7 +37,7 @@
>>>> #include <d3d12video.h>
>>>>
>>>> /**
>>>> - * @brief This struct is allocated as AVHWDeviceContext.hwctx
>>>> + * @brief This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> *
>>>> */
>>>> typedef struct AVD3D12VADeviceContext {
>>>> @@ -78,7 +78,7 @@ typedef struct AVD3D12VADeviceContext {
>>>> } AVD3D12VADeviceContext;
>>>>
>>>> /**
>>>> - * @brief This struct is used to sync d3d12 execution
>>>> + * @brief This @ref md_doc_2context "context" is used to sync d3d12
>>>> execution
>>>> *
>>>> */
>>>> typedef struct AVD3D12VASyncContext {
>>>> @@ -120,7 +120,7 @@ typedef struct AVD3D12VAFrame {
>>>> } AVD3D12VAFrame;
>>>>
>>>> /**
>>>> - * @brief This struct is allocated as AVHWFramesContext.hwctx
>>>> + * @brief This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx
>>>> *
>>>> */
>>>> typedef struct AVD3D12VAFramesContext {
>>>> diff --git a/libavutil/hwcontext_drm.h b/libavutil/hwcontext_drm.h
>>>> index 42709f215e..8329e69966 100644
>>>> --- a/libavutil/hwcontext_drm.h
>>>> +++ b/libavutil/hwcontext_drm.h
>>>> @@ -152,7 +152,7 @@ typedef struct AVDRMFrameDescriptor {
>>>> /**
>>>> * DRM device.
>>>> *
>>>> - * Allocated as AVHWDeviceContext.hwctx.
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx.
>>>> */
>>>> typedef struct AVDRMDeviceContext {
>>>> /**
>>>> diff --git a/libavutil/hwcontext_dxva2.h b/libavutil/hwcontext_dxva2.h
>>>> index e1b79bc0de..c679c16af0 100644
>>>> --- a/libavutil/hwcontext_dxva2.h
>>>> +++ b/libavutil/hwcontext_dxva2.h
>>>> @@ -34,14 +34,14 @@
>>>> #include <dxva2api.h>
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVDXVA2DeviceContext {
>>>> IDirect3DDeviceManager9 *devmgr;
>>>> } AVDXVA2DeviceContext;
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWFramesContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx
>>>> */
>>>> typedef struct AVDXVA2FramesContext {
>>>> /**
>>>> diff --git a/libavutil/hwcontext_mediacodec.h
>>>> b/libavutil/hwcontext_mediacodec.h
>>>> index fc0263cabc..e81193247b 100644
>>>> --- a/libavutil/hwcontext_mediacodec.h
>>>> +++ b/libavutil/hwcontext_mediacodec.h
>>>> @@ -22,7 +22,7 @@
>>>> /**
>>>> * MediaCodec details.
>>>> *
>>>> - * Allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVMediaCodecDeviceContext {
>>>> /**
>>>> diff --git a/libavutil/hwcontext_opencl.h b/libavutil/hwcontext_opencl.h
>>>> index ef54486c95..7abd97db2b 100644
>>>> --- a/libavutil/hwcontext_opencl.h
>>>> +++ b/libavutil/hwcontext_opencl.h
>>>> @@ -58,7 +58,7 @@ typedef struct AVOpenCLFrameDescriptor {
>>>> /**
>>>> * OpenCL device details.
>>>> *
>>>> - * Allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVOpenCLDeviceContext {
>>>> /**
>>>> @@ -84,7 +84,7 @@ typedef struct AVOpenCLDeviceContext {
>>>> /**
>>>> * OpenCL-specific data associated with a frame pool.
>>>> *
>>>> - * Allocated as AVHWFramesContext.hwctx.
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx.
>>>> */
>>>> typedef struct AVOpenCLFramesContext {
>>>> /**
>>>> diff --git a/libavutil/hwcontext_qsv.h b/libavutil/hwcontext_qsv.h
>>>> index e2dba8ad83..b63ebddaef 100644
>>>> --- a/libavutil/hwcontext_qsv.h
>>>> +++ b/libavutil/hwcontext_qsv.h
>>>> @@ -30,7 +30,7 @@
>>>> */
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVQSVDeviceContext {
>>>> mfxSession session;
>>>> @@ -48,7 +48,7 @@ typedef struct AVQSVDeviceContext {
>>>> } AVQSVDeviceContext;
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWFramesContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx
>>>> */
>>>> typedef struct AVQSVFramesContext {
>>>> mfxFrameSurface1 *surfaces;
>>>> diff --git a/libavutil/hwcontext_vaapi.h b/libavutil/hwcontext_vaapi.h
>>>> index 0b2e071cb3..4a897eb851 100644
>>>> --- a/libavutil/hwcontext_vaapi.h
>>>> +++ b/libavutil/hwcontext_vaapi.h
>>>> @@ -63,7 +63,7 @@ enum {
>>>> /**
>>>> * VAAPI connection details.
>>>> *
>>>> - * Allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVVAAPIDeviceContext {
>>>> /**
>>>> @@ -83,7 +83,7 @@ typedef struct AVVAAPIDeviceContext {
>>>> /**
>>>> * VAAPI-specific data associated with a frame pool.
>>>> *
>>>> - * Allocated as AVHWFramesContext.hwctx.
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx.
>>>> */
>>>> typedef struct AVVAAPIFramesContext {
>>>> /**
>>>> @@ -105,7 +105,7 @@ typedef struct AVVAAPIFramesContext {
>>>> /**
>>>> * VAAPI hardware pipeline configuration details.
>>>> *
>>>> - * Allocated with av_hwdevice_hwconfig_alloc().
>>>> + * This struct is allocated with av_hwdevice_hwconfig_alloc().
>>>> */
>>>> typedef struct AVVAAPIHWConfig {
>>>> /**
>>>> diff --git a/libavutil/hwcontext_vdpau.h b/libavutil/hwcontext_vdpau.h
>>>> index 1b7ea1e443..e305caa595 100644
>>>> --- a/libavutil/hwcontext_vdpau.h
>>>> +++ b/libavutil/hwcontext_vdpau.h
>>>> @@ -30,7 +30,7 @@
>>>> */
>>>>
>>>> /**
>>>> - * This struct is allocated as AVHWDeviceContext.hwctx
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWDeviceContext.hwctx
>>>> */
>>>> typedef struct AVVDPAUDeviceContext {
>>>> VdpDevice device;
>>>> diff --git a/libavutil/hwcontext_vulkan.h b/libavutil/hwcontext_vulkan.h
>>>> index cbbd2390c1..1869870032 100644
>>>> --- a/libavutil/hwcontext_vulkan.h
>>>> +++ b/libavutil/hwcontext_vulkan.h
>>>> @@ -39,7 +39,7 @@ typedef struct AVVkFrame AVVkFrame;
>>>> */
>>>>
>>>> /**
>>>> - * Main Vulkan context, allocated as AVHWDeviceContext.hwctx.
>>>> + * Main Vulkan @ref md_doc_2context "context", allocated as
>>>> AVHWDeviceContext.hwctx.
>>>> * All of these can be set before init to change what the context uses
>>>> */
>>>> typedef struct AVVulkanDeviceContext {
>>>> @@ -172,7 +172,7 @@ typedef enum AVVkFrameFlags {
>>>> } AVVkFrameFlags;
>>>>
>>>> /**
>>>> - * Allocated as AVHWFramesContext.hwctx, used to set pool-specific options
>>>> + * This @ref md_doc_2context "context" is allocated as
>>>> AVHWFramesContext.hwctx, used to set pool-specific options
>>>> */
>>>> typedef struct AVVulkanFramesContext {
>>>> /**
>>>> diff --git a/libavutil/lfg.h b/libavutil/lfg.h
>>>> index e75a986f12..7f4ff5b62f 100644
>>>> --- a/libavutil/lfg.h
>>>> +++ b/libavutil/lfg.h
>>>> @@ -25,7 +25,7 @@
>>>> #include <stdint.h>
>>>>
>>>> /**
>>>> - * Context structure for the Lagged Fibonacci PRNG.
>>>> + * @ref md_doc_2context "Context" structure for the Lagged Fibonacci PRNG.
>>>> * The exact layout, types and content of this struct may change and should
>>>> * not be accessed directly. Only its `sizeof()` is guaranteed to stay the
>>>> same
>>>> * to allow easy instanciation.
>>>>
>>>
>>> Could you at least not put "context" in quotation marks?
>>> To be honest, I'm not sure this makes documentation any better.
>>> A context is an essential term we use in our codebase that's pretty
>>> universal. Explaining again and again at every mention is annoying.
>>
>> +1. I don’t think “context" is specific to FFmpeg, it’s like common naming
>> conventions.
>
> Ooh, I don't suppose you've got some examples?
Curl, libxml2, libevent.
> I know some other C
> projects use similar concepts, but a compatible use of the word
> "context" would really help explain things to newbies.
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