[FFmpeg-devel] [PATCH v4 3/4] all: Link to "context" from all contexts with documentation

Zhao Zhili quinkblack at foxmail.com
Thu May 2 16:00:42 EEST 2024



> On May 2, 2024, at 19:01, Lynne <dev at lynne.ee> wrote:
> 
> Apr 29, 2024, 11:24 by ffmpeg-devel at 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.

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