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ff_sys/
docsrs_stubs.rs

1// Shape-compatible stubs used by docs.rs builds (DOCS_RS=1).
2//
3// These definitions mirror the real bindgen-generated FFmpeg bindings in type
4// and name, but contain no actual FFmpeg code.  All functions are no-op stubs
5// that never run; they exist only to make the dependent crates compile so that
6// rustdoc can render their public APIs.
7//
8// Maintenance note: add entries here whenever a new ff_sys symbol is referenced
9// in ff-probe, ff-decode, or ff-encode.  The values of integer constants are
10// taken from the FFmpeg 7.x headers for reference accuracy, but correctness at
11// runtime is irrelevant — docs.rs never executes this code.
12
13use std::os::raw::{c_char, c_int, c_uint, c_void};
14use std::ptr;
15
16// ── Type aliases ──────────────────────────────────────────────────────────────
17
18pub type AVCodecID = c_uint;
19pub type AVPixelFormat = c_int;
20pub type AVSampleFormat = c_int;
21pub type AVMediaType = c_int;
22pub type AVColorPrimaries = c_uint;
23pub type AVColorRange = c_uint;
24pub type AVColorSpace = c_uint;
25pub type AVHWDeviceType = c_int;
26pub type AVChannelOrder = c_uint;
27pub type AVPictureType = c_int;
28
29// ── Opaque types (only ever used behind raw pointers) ─────────────────────────
30
31pub struct AVDictionary(());
32pub struct SwsContext(());
33pub struct SwrContext(());
34pub struct AVBufferRef(());
35pub struct AVIOContext(());
36pub struct AVOutputFormat(());
37pub struct AVAudioFifo(());
38
39pub struct AVInputFormat {
40    pub name: *const c_char,
41    pub long_name: *const c_char,
42    pub flags: c_int,
43}
44
45// ── Structs with field-level access ───────────────────────────────────────────
46
47#[derive(Copy, Clone)]
48#[repr(C)]
49pub union AVChannelLayout__bindgen_ty_1 {
50    pub mask: u64,
51}
52
53impl Default for AVChannelLayout__bindgen_ty_1 {
54    fn default() -> Self {
55        Self { mask: 0 }
56    }
57}
58
59#[derive(Copy, Clone)]
60pub struct AVChannelLayout {
61    pub order: AVChannelOrder,
62    pub nb_channels: c_int,
63    pub u: AVChannelLayout__bindgen_ty_1,
64}
65
66impl Default for AVChannelLayout {
67    fn default() -> Self {
68        Self {
69            order: 0,
70            nb_channels: 0,
71            u: AVChannelLayout__bindgen_ty_1::default(),
72        }
73    }
74}
75
76#[derive(Copy, Clone)]
77pub struct AVRational {
78    pub num: c_int,
79    pub den: c_int,
80}
81
82pub struct AVDictionaryEntry {
83    pub key: *mut c_char,
84    pub value: *mut c_char,
85}
86
87pub struct AVChapter {
88    pub id: i64,
89    pub time_base: AVRational,
90    pub start: i64,
91    pub end: i64,
92    pub metadata: *mut AVDictionary,
93}
94
95pub struct AVCodecParameters {
96    pub codec_type: AVMediaType,
97    pub codec_id: AVCodecID,
98    pub codec_tag: c_uint,
99    pub extradata: *mut u8,
100    pub extradata_size: c_int,
101    pub format: c_int,
102    pub bit_rate: i64,
103    pub width: c_int,
104    pub height: c_int,
105    pub sample_rate: c_int,
106    pub ch_layout: AVChannelLayout,
107    pub sample_fmt: AVSampleFormat,
108    pub color_space: AVColorSpace,
109    pub color_range: AVColorRange,
110    pub color_primaries: AVColorPrimaries,
111}
112
113pub struct AVStream {
114    pub codecpar: *mut AVCodecParameters,
115    pub nb_frames: i64,
116    pub duration: i64,
117    pub time_base: AVRational,
118    pub avg_frame_rate: AVRational,
119    pub r_frame_rate: AVRational,
120    pub start_time: i64,
121    pub disposition: c_int,
122    pub metadata: *mut AVDictionary,
123}
124
125pub struct AVFormatContext {
126    pub nb_streams: c_uint,
127    pub streams: *mut *mut AVStream,
128    pub duration: i64,
129    pub metadata: *mut AVDictionary,
130    pub nb_chapters: c_uint,
131    pub chapters: *mut *mut AVChapter,
132    pub iformat: *mut AVInputFormat,
133    pub bit_rate: i64,
134    pub pb: *mut AVIOContext,
135    pub priv_data: *mut c_void,
136}
137
138pub struct AVFrame {
139    pub data: [*mut u8; 8],
140    pub linesize: [c_int; 8],
141    pub width: c_int,
142    pub height: c_int,
143    pub nb_samples: c_int,
144    pub format: c_int,
145    pub key_frame: c_int,
146    pub pict_type: AVPictureType,
147    pub pts: i64,
148    pub pkt_dts: i64,
149    pub sample_rate: c_int,
150    pub ch_layout: AVChannelLayout,
151    pub duration: i64,
152    pub time_base: AVRational,
153    pub hw_frames_ctx: *mut AVBufferRef,
154    pub metadata: *mut AVDictionary,
155}
156
157pub struct AVPacket {
158    pub pts: i64,
159    pub dts: i64,
160    pub data: *mut u8,
161    pub size: c_int,
162    pub stream_index: c_int,
163    pub flags: c_int,
164    pub duration: i64,
165}
166
167pub type AVColorTransferCharacteristic = c_uint;
168
169pub struct AVCodecContext {
170    pub codec_id: AVCodecID,
171    pub bit_rate: i64,
172    pub width: c_int,
173    pub height: c_int,
174    pub pix_fmt: AVPixelFormat,
175    pub sample_rate: c_int,
176    pub ch_layout: AVChannelLayout,
177    pub sample_fmt: AVSampleFormat,
178    pub time_base: AVRational,
179    pub framerate: AVRational,
180    pub gop_size: c_int,
181    pub max_b_frames: c_int,
182    pub qmin: c_int,
183    pub qmax: c_int,
184    pub thread_count: c_int,
185    pub hw_device_ctx: *mut AVBufferRef,
186    pub hw_frames_ctx: *mut AVBufferRef,
187    pub priv_data: *mut c_void,
188    pub color_primaries: AVColorPrimaries,
189    pub color_trc: AVColorTransferCharacteristic,
190    pub colorspace: AVColorSpace,
191    // Fields added for v0.7.0 feature coverage
192    pub frame_size: c_int,
193    pub color_range: AVColorRange,
194    pub refs: c_int,
195    pub rc_max_rate: i64,
196    pub rc_buffer_size: c_int,
197    pub flags: c_int,
198    pub stats_out: *mut c_char,
199    pub stats_in: *mut c_char,
200}
201
202pub struct AVCodec {
203    pub id: AVCodecID,
204    pub sample_fmts: *const AVSampleFormat,
205    pub capabilities: c_int,
206}
207
208// ── Constants ─────────────────────────────────────────────────────────────────
209
210pub const AV_DICT_IGNORE_SUFFIX: u32 = 2;
211pub const AV_NUM_DATA_POINTERS: usize = 8;
212pub const AV_TIME_BASE: u32 = 1_000_000;
213
214pub const AVMediaType_AVMEDIA_TYPE_VIDEO: AVMediaType = 0;
215pub const AVMediaType_AVMEDIA_TYPE_AUDIO: AVMediaType = 1;
216pub const AVMediaType_AVMEDIA_TYPE_SUBTITLE: AVMediaType = 3;
217pub const AVMediaType_AVMEDIA_TYPE_ATTACHMENT: AVMediaType = 4;
218
219pub const AV_DISPOSITION_FORCED: u32 = 0x0040;
220pub const AV_DISPOSITION_ATTACHED_PIC: u32 = 0x0400;
221pub const AV_INPUT_BUFFER_PADDING_SIZE: u32 = 64;
222
223pub const AVChannelOrder_AV_CHANNEL_ORDER_UNSPEC: AVChannelOrder = 0;
224pub const AVChannelOrder_AV_CHANNEL_ORDER_NATIVE: AVChannelOrder = 1;
225
226// AVCodecID — video
227pub const AVCodecID_AV_CODEC_ID_NONE: AVCodecID = 0;
228pub const AVCodecID_AV_CODEC_ID_MPEG2VIDEO: AVCodecID = 2;
229pub const AVCodecID_AV_CODEC_ID_MJPEG: AVCodecID = 7;
230pub const AVCodecID_AV_CODEC_ID_MPEG4: AVCodecID = 13;
231pub const AVCodecID_AV_CODEC_ID_H264: AVCodecID = 27;
232pub const AVCodecID_AV_CODEC_ID_THEORA: AVCodecID = 30;
233pub const AVCodecID_AV_CODEC_ID_VP8: AVCodecID = 139;
234pub const AVCodecID_AV_CODEC_ID_PRORES: AVCodecID = 147;
235pub const AVCodecID_AV_CODEC_ID_VP9: AVCodecID = 167;
236pub const AVCodecID_AV_CODEC_ID_HEVC: AVCodecID = 173;
237pub const AVCodecID_AV_CODEC_ID_AV1: AVCodecID = 226;
238pub const AVCodecID_AV_CODEC_ID_DNXHD: AVCodecID = 99;
239pub const AVCodecID_AV_CODEC_ID_FFV1: AVCodecID = 33;
240
241// AVCodecID — image (still image)
242pub const AVCodecID_AV_CODEC_ID_PNG: AVCodecID = 61;
243pub const AVCodecID_AV_CODEC_ID_BMP: AVCodecID = 76;
244pub const AVCodecID_AV_CODEC_ID_TIFF: AVCodecID = 90;
245pub const AVCodecID_AV_CODEC_ID_WEBP: AVCodecID = 219;
246pub const AVCodecID_AV_CODEC_ID_EXR: AVCodecID = 178;
247
248// AVCodecID — animation
249pub const AVCodecID_AV_CODEC_ID_GIF: AVCodecID = 97;
250
251// AVCodecID — subtitle
252pub const AVCodecID_AV_CODEC_ID_DVB_SUBTITLE: AVCodecID = 94209;
253pub const AVCodecID_AV_CODEC_ID_SSA: AVCodecID = 94212;
254pub const AVCodecID_AV_CODEC_ID_HDMV_PGS_SUBTITLE: AVCodecID = 94214;
255pub const AVCodecID_AV_CODEC_ID_SRT: AVCodecID = 94216;
256pub const AVCodecID_AV_CODEC_ID_SUBRIP: AVCodecID = 94248;
257pub const AVCodecID_AV_CODEC_ID_WEBVTT: AVCodecID = 94249;
258pub const AVCodecID_AV_CODEC_ID_ASS: AVCodecID = 94253;
259
260// AVCodecID — attachment / data
261pub const AVCodecID_AV_CODEC_ID_BIN_DATA: AVCodecID = 98314;
262
263// AVCodecID — audio
264pub const AVCodecID_AV_CODEC_ID_PCM_S16LE: AVCodecID = 65536;
265pub const AVCodecID_AV_CODEC_ID_PCM_S16BE: AVCodecID = 65537;
266pub const AVCodecID_AV_CODEC_ID_PCM_U8: AVCodecID = 65542;
267pub const AVCodecID_AV_CODEC_ID_PCM_S24LE: AVCodecID = 65544;
268pub const AVCodecID_AV_CODEC_ID_PCM_S24BE: AVCodecID = 65545;
269pub const AVCodecID_AV_CODEC_ID_PCM_S32LE: AVCodecID = 65556;
270pub const AVCodecID_AV_CODEC_ID_PCM_S32BE: AVCodecID = 65557;
271pub const AVCodecID_AV_CODEC_ID_PCM_F32LE: AVCodecID = 65558;
272pub const AVCodecID_AV_CODEC_ID_PCM_F32BE: AVCodecID = 65559;
273pub const AVCodecID_AV_CODEC_ID_PCM_F64LE: AVCodecID = 65560;
274pub const AVCodecID_AV_CODEC_ID_PCM_F64BE: AVCodecID = 65561;
275pub const AVCodecID_AV_CODEC_ID_MP3: AVCodecID = 86017;
276pub const AVCodecID_AV_CODEC_ID_AAC: AVCodecID = 86018;
277pub const AVCodecID_AV_CODEC_ID_AC3: AVCodecID = 86019;
278pub const AVCodecID_AV_CODEC_ID_DTS: AVCodecID = 86020;
279pub const AVCodecID_AV_CODEC_ID_VORBIS: AVCodecID = 86021;
280pub const AVCodecID_AV_CODEC_ID_FLAC: AVCodecID = 86028;
281pub const AVCodecID_AV_CODEC_ID_ALAC: AVCodecID = 86032;
282pub const AVCodecID_AV_CODEC_ID_WMAV2: AVCodecID = 86047;
283pub const AVCodecID_AV_CODEC_ID_EAC3: AVCodecID = 86056;
284pub const AVCodecID_AV_CODEC_ID_OPUS: AVCodecID = 86076;
285
286// AVPixelFormat
287pub const AVPixelFormat_AV_PIX_FMT_NONE: AVPixelFormat = -1;
288pub const AVPixelFormat_AV_PIX_FMT_YUV420P: AVPixelFormat = 0;
289pub const AVPixelFormat_AV_PIX_FMT_RGB24: AVPixelFormat = 2;
290pub const AVPixelFormat_AV_PIX_FMT_BGR24: AVPixelFormat = 3;
291pub const AVPixelFormat_AV_PIX_FMT_YUV422P: AVPixelFormat = 4;
292pub const AVPixelFormat_AV_PIX_FMT_YUV444P: AVPixelFormat = 5;
293pub const AVPixelFormat_AV_PIX_FMT_GRAY8: AVPixelFormat = 8;
294pub const AVPixelFormat_AV_PIX_FMT_PAL8: AVPixelFormat = 77;
295pub const AVPixelFormat_AV_PIX_FMT_NV12: AVPixelFormat = 23;
296pub const AVPixelFormat_AV_PIX_FMT_NV21: AVPixelFormat = 24;
297pub const AVPixelFormat_AV_PIX_FMT_RGBA: AVPixelFormat = 26;
298pub const AVPixelFormat_AV_PIX_FMT_BGRA: AVPixelFormat = 28;
299pub const AVPixelFormat_AV_PIX_FMT_YUVJ420P: AVPixelFormat = 12;
300pub const AVPixelFormat_AV_PIX_FMT_YUVJ422P: AVPixelFormat = 13;
301pub const AVPixelFormat_AV_PIX_FMT_YUVJ444P: AVPixelFormat = 14;
302pub const AVPixelFormat_AV_PIX_FMT_VAAPI: AVPixelFormat = 51;
303pub const AVPixelFormat_AV_PIX_FMT_DXVA2_VLD: AVPixelFormat = 53;
304pub const AV_OPT_SEARCH_CHILDREN: u32 = 1;
305pub const AVPixelFormat_AV_PIX_FMT_YUV420P10LE: AVPixelFormat = 66;
306pub const AVPixelFormat_AV_PIX_FMT_YUV422P10LE: AVPixelFormat = 64;
307pub const AVPixelFormat_AV_PIX_FMT_YUV444P10LE: AVPixelFormat = 68;
308pub const AVPixelFormat_AV_PIX_FMT_YUVA444P10LE: AVPixelFormat = 91;
309pub const AVPixelFormat_AV_PIX_FMT_VDPAU: AVPixelFormat = 101;
310pub const AVPixelFormat_AV_PIX_FMT_CUDA: AVPixelFormat = 119;
311pub const AVPixelFormat_AV_PIX_FMT_QSV: AVPixelFormat = 123;
312pub const AVPixelFormat_AV_PIX_FMT_VIDEOTOOLBOX: AVPixelFormat = 135;
313pub const AVPixelFormat_AV_PIX_FMT_MEDIACODEC: AVPixelFormat = 165;
314pub const AVPixelFormat_AV_PIX_FMT_P010LE: AVPixelFormat = 161;
315pub const AVPixelFormat_AV_PIX_FMT_GBRPF32LE: AVPixelFormat = 175;
316pub const AVPixelFormat_AV_PIX_FMT_D3D11: AVPixelFormat = 174;
317pub const AVPixelFormat_AV_PIX_FMT_OPENCL: AVPixelFormat = 180;
318pub const AVPixelFormat_AV_PIX_FMT_VULKAN: AVPixelFormat = 193;
319
320// AVSampleFormat
321pub const AVSampleFormat_AV_SAMPLE_FMT_NONE: AVSampleFormat = -1;
322pub const AVSampleFormat_AV_SAMPLE_FMT_U8: AVSampleFormat = 0;
323pub const AVSampleFormat_AV_SAMPLE_FMT_S16: AVSampleFormat = 1;
324pub const AVSampleFormat_AV_SAMPLE_FMT_S32: AVSampleFormat = 2;
325pub const AVSampleFormat_AV_SAMPLE_FMT_FLT: AVSampleFormat = 3;
326pub const AVSampleFormat_AV_SAMPLE_FMT_DBL: AVSampleFormat = 4;
327pub const AVSampleFormat_AV_SAMPLE_FMT_U8P: AVSampleFormat = 5;
328pub const AVSampleFormat_AV_SAMPLE_FMT_S16P: AVSampleFormat = 6;
329pub const AVSampleFormat_AV_SAMPLE_FMT_S32P: AVSampleFormat = 7;
330pub const AVSampleFormat_AV_SAMPLE_FMT_FLTP: AVSampleFormat = 8;
331pub const AVSampleFormat_AV_SAMPLE_FMT_DBLP: AVSampleFormat = 9;
332pub const AVSampleFormat_AV_SAMPLE_FMT_S64: AVSampleFormat = 10;
333pub const AVSampleFormat_AV_SAMPLE_FMT_S64P: AVSampleFormat = 11;
334
335// AVColorPrimaries
336pub const AVColorPrimaries_AVCOL_PRI_BT709: AVColorPrimaries = 1;
337pub const AVColorPrimaries_AVCOL_PRI_UNSPECIFIED: AVColorPrimaries = 2;
338pub const AVColorPrimaries_AVCOL_PRI_BT470BG: AVColorPrimaries = 5;
339pub const AVColorPrimaries_AVCOL_PRI_SMPTE170M: AVColorPrimaries = 6;
340pub const AVColorPrimaries_AVCOL_PRI_BT2020: AVColorPrimaries = 9;
341
342// AVColorRange
343pub const AVColorRange_AVCOL_RANGE_UNSPECIFIED: AVColorRange = 0;
344pub const AVColorRange_AVCOL_RANGE_MPEG: AVColorRange = 1;
345pub const AVColorRange_AVCOL_RANGE_JPEG: AVColorRange = 2;
346
347// AVColorSpace
348pub const AVColorSpace_AVCOL_SPC_RGB: AVColorSpace = 0;
349pub const AVColorSpace_AVCOL_SPC_BT709: AVColorSpace = 1;
350pub const AVColorSpace_AVCOL_SPC_UNSPECIFIED: AVColorSpace = 2;
351pub const AVColorSpace_AVCOL_SPC_BT470BG: AVColorSpace = 5;
352pub const AVColorSpace_AVCOL_SPC_SMPTE170M: AVColorSpace = 6;
353pub const AVColorSpace_AVCOL_SPC_BT2020_NCL: AVColorSpace = 9;
354pub const AVColorSpace_AVCOL_SPC_BT2020_CL: AVColorSpace = 10;
355
356// AVColorTransferCharacteristic
357pub const AVColorTransferCharacteristic_AVCOL_TRC_BT709: AVColorTransferCharacteristic = 1;
358pub const AVColorTransferCharacteristic_AVCOL_TRC_UNSPECIFIED: AVColorTransferCharacteristic = 2;
359pub const AVColorTransferCharacteristic_AVCOL_TRC_LINEAR: AVColorTransferCharacteristic = 8;
360pub const AVColorTransferCharacteristic_AVCOL_TRC_BT2020_10: AVColorTransferCharacteristic = 14;
361pub const AVColorTransferCharacteristic_AVCOL_TRC_BT2020_12: AVColorTransferCharacteristic = 15;
362pub const AVColorTransferCharacteristic_AVCOL_TRC_SMPTEST2084: AVColorTransferCharacteristic = 16;
363pub const AVColorTransferCharacteristic_AVCOL_TRC_ARIB_STD_B67: AVColorTransferCharacteristic = 18;
364
365// AVPacketSideDataType
366pub type AVPacketSideDataType = c_uint;
367pub const AVPacketSideDataType_AV_PKT_DATA_MASTERING_DISPLAY_METADATA: AVPacketSideDataType = 20;
368pub const AVPacketSideDataType_AV_PKT_DATA_CONTENT_LIGHT_LEVEL: AVPacketSideDataType = 22;
369
370// AVHWDeviceType
371pub const AVHWDeviceType_AV_HWDEVICE_TYPE_CUDA: AVHWDeviceType = 2;
372pub const AVHWDeviceType_AV_HWDEVICE_TYPE_VAAPI: AVHWDeviceType = 4;
373pub const AVHWDeviceType_AV_HWDEVICE_TYPE_QSV: AVHWDeviceType = 5;
374pub const AVHWDeviceType_AV_HWDEVICE_TYPE_VIDEOTOOLBOX: AVHWDeviceType = 7;
375pub const AVHWDeviceType_AV_HWDEVICE_TYPE_D3D11VA: AVHWDeviceType = 8;
376
377// AVPictureType constants
378pub const AVPictureType_AV_PICTURE_TYPE_NONE: AVPictureType = 0;
379pub const AVPictureType_AV_PICTURE_TYPE_I: AVPictureType = 1;
380
381// ── Raw FFmpeg functions (bindgen-generated counterparts) ─────────────────────
382//
383// These mirror what bindgen would emit from the real FFmpeg headers.
384// All bodies are stubs; the code is compiled but never executed on docs.rs.
385
386// SAFETY: docs.rs stubs — never called at runtime.
387pub unsafe fn av_strerror(_errnum: c_int, _errbuf: *mut c_char, _errbuf_size: usize) -> c_int {
388    0
389}
390
391pub unsafe fn av_dict_get(
392    _m: *const AVDictionary,
393    _key: *const c_char,
394    _prev: *const AVDictionaryEntry,
395    _flags: c_int,
396) -> *mut AVDictionaryEntry {
397    std::ptr::null_mut()
398}
399
400pub unsafe fn av_dict_set(
401    _pm: *mut *mut AVDictionary,
402    _key: *const c_char,
403    _value: *const c_char,
404    _flags: c_int,
405) -> c_int {
406    0
407}
408
409pub unsafe fn av_dict_free(_m: *mut *mut AVDictionary) {}
410
411pub unsafe fn av_find_input_format(_short_name: *const c_char) -> *const AVInputFormat {
412    std::ptr::null()
413}
414
415pub unsafe fn avcodec_get_name(_id: AVCodecID) -> *const c_char {
416    std::ptr::null()
417}
418
419pub unsafe fn av_frame_alloc() -> *mut AVFrame {
420    std::ptr::null_mut()
421}
422
423pub unsafe fn av_frame_free(_frame: *mut *mut AVFrame) {}
424
425pub unsafe fn av_frame_get_buffer(_frame: *mut AVFrame, _align: c_int) -> c_int {
426    0
427}
428
429pub unsafe fn av_frame_move_ref(_dst: *mut AVFrame, _src: *mut AVFrame) {}
430
431pub unsafe fn av_frame_unref(_frame: *mut AVFrame) {}
432
433pub unsafe fn av_packet_alloc() -> *mut AVPacket {
434    std::ptr::null_mut()
435}
436
437pub unsafe fn av_packet_free(_pkt: *mut *mut AVPacket) {}
438
439pub unsafe fn av_packet_unref(_pkt: *mut AVPacket) {}
440
441pub unsafe fn av_packet_new_side_data(
442    _pkt: *mut AVPacket,
443    _type_: AVPacketSideDataType,
444    _size: usize,
445) -> *mut u8 {
446    std::ptr::null_mut()
447}
448
449pub unsafe fn av_buffer_ref(_buf: *mut AVBufferRef) -> *mut AVBufferRef {
450    std::ptr::null_mut()
451}
452
453pub unsafe fn av_buffer_unref(_buf: *mut *mut AVBufferRef) {}
454
455pub unsafe fn av_hwdevice_ctx_create(
456    _device_ctx: *mut *mut AVBufferRef,
457    _type_: AVHWDeviceType,
458    _device: *const c_char,
459    _opts: *mut AVDictionary,
460    _flags: c_int,
461) -> c_int {
462    -1
463}
464
465pub unsafe fn av_hwframe_transfer_data(
466    _dst: *mut AVFrame,
467    _src: *const AVFrame,
468    _flags: c_int,
469) -> c_int {
470    -1
471}
472
473pub unsafe fn av_opt_set(
474    _obj: *mut c_void,
475    _name: *const c_char,
476    _val: *const c_char,
477    _search_flags: c_int,
478) -> c_int {
479    0
480}
481
482pub unsafe fn av_read_frame(_s: *mut AVFormatContext, _pkt: *mut AVPacket) -> c_int {
483    -1
484}
485
486pub unsafe fn av_write_trailer(_s: *mut AVFormatContext) -> c_int {
487    0
488}
489
490pub unsafe fn av_interleaved_write_frame(
491    _s: *mut AVFormatContext,
492    _pkt: *mut AVPacket,
493) -> c_int {
494    0
495}
496
497pub unsafe fn avcodec_receive_frame(_avctx: *mut AVCodecContext, _frame: *mut AVFrame) -> c_int {
498    -1
499}
500
501pub unsafe fn avcodec_send_packet(
502    _avctx: *mut AVCodecContext,
503    _avpkt: *const AVPacket,
504) -> c_int {
505    -1
506}
507
508pub unsafe fn avformat_alloc_output_context2(
509    _ctx: *mut *mut AVFormatContext,
510    _oformat: *mut AVOutputFormat,
511    _format_name: *const c_char,
512    _filename: *const c_char,
513) -> c_int {
514    -1
515}
516
517pub unsafe fn avformat_free_context(_s: *mut AVFormatContext) {}
518
519pub unsafe fn avformat_new_stream(
520    _s: *mut AVFormatContext,
521    _c: *const AVCodec,
522) -> *mut AVStream {
523    std::ptr::null_mut()
524}
525
526pub unsafe fn avformat_write_header(
527    _s: *mut AVFormatContext,
528    _options: *mut *mut AVDictionary,
529) -> c_int {
530    -1
531}
532
533pub unsafe fn swr_alloc_set_opts2(
534    _ps: *mut *mut SwrContext,
535    _out_ch_layout: *const AVChannelLayout,
536    _out_sample_fmt: AVSampleFormat,
537    _out_sample_rate: c_int,
538    _in_ch_layout: *const AVChannelLayout,
539    _in_sample_fmt: AVSampleFormat,
540    _in_sample_rate: c_int,
541    _log_offset: c_int,
542    _log_ctx: *mut c_void,
543) -> c_int {
544    -1
545}
546
547pub unsafe fn swr_convert(
548    _s: *mut SwrContext,
549    _out: *mut *mut u8,
550    _out_count: c_int,
551    _in_: *const *const u8,
552    _in_count: c_int,
553) -> c_int {
554    -1
555}
556
557pub unsafe fn swr_free(_s: *mut *mut SwrContext) {}
558
559pub unsafe fn swr_get_out_samples(_s: *mut SwrContext, _in_samples: c_int) -> c_int {
560    0
561}
562
563pub unsafe fn swr_init(_s: *mut SwrContext) -> c_int {
564    -1
565}
566
567pub unsafe fn av_channel_layout_default(_ch_layout: *mut AVChannelLayout, _nb_channels: c_int) {}
568
569pub unsafe fn av_channel_layout_uninit(_ch_layout: *mut AVChannelLayout) {}
570
571pub unsafe fn av_rescale_q(_a: i64, _bq: AVRational, _cq: AVRational) -> i64 {
572    0
573}
574
575pub unsafe fn av_mallocz(_size: usize) -> *mut c_void {
576    std::ptr::null_mut()
577}
578
579pub unsafe fn av_malloc(_size: usize) -> *mut c_void {
580    std::ptr::null_mut()
581}
582
583pub unsafe fn av_free(_ptr: *mut c_void) {}
584
585pub unsafe fn av_new_packet(_pkt: *mut AVPacket, _size: c_int) -> c_int {
586    -1
587}
588
589pub unsafe fn avcodec_parameters_copy(
590    _dst: *mut AVCodecParameters,
591    _src: *const AVCodecParameters,
592) -> c_int {
593    0
594}
595
596pub unsafe fn av_packet_rescale_ts(
597    _pkt: *mut AVPacket,
598    _tb_src: AVRational,
599    _tb_dst: AVRational,
600) {
601}
602
603// ── Wrapper module stubs ──────────────────────────────────────────────────────
604//
605// These mirror the safe wrapper modules in avformat.rs, avcodec.rs,
606// swresample.rs, and swscale.rs.  Signatures must exactly match those files.
607
608// ── libavfilter opaque types ──────────────────────────────────────────────────
609
610pub struct AVFilterGraph(());
611pub struct AVFilter(());
612
613pub struct AVFilterContext {
614    pub hw_device_ctx: *mut AVBufferRef,
615}
616
617// ── libavfilter constants ─────────────────────────────────────────────────────
618
619/// Flag for `av_buffersrc_add_frame_flags`: keep a reference to the frame.
620pub const AV_BUFFERSRC_FLAG_KEEP_REF: c_int = 8;
621
622// ── libavfilter functions ─────────────────────────────────────────────────────
623
624// SAFETY: docs.rs stubs — never called at runtime.
625
626pub unsafe fn avfilter_graph_alloc() -> *mut AVFilterGraph {
627    ptr::null_mut()
628}
629
630pub unsafe fn avfilter_graph_free(_graph: *mut *mut AVFilterGraph) {}
631
632pub unsafe fn avfilter_get_by_name(_name: *const c_char) -> *const AVFilter {
633    ptr::null()
634}
635
636pub unsafe fn avfilter_graph_create_filter(
637    _filt_ctx: *mut *mut AVFilterContext,
638    _filt: *const AVFilter,
639    _name: *const c_char,
640    _args: *const c_char,
641    _opaque: *mut c_void,
642    _graph_ctx: *mut AVFilterGraph,
643) -> c_int {
644    0
645}
646
647pub unsafe fn avfilter_link(
648    _src: *mut AVFilterContext,
649    _srcpad: c_uint,
650    _dst: *mut AVFilterContext,
651    _dstpad: c_uint,
652) -> c_int {
653    0
654}
655
656pub unsafe fn avfilter_graph_config(
657    _graphctx: *mut AVFilterGraph,
658    _log_ctx: *mut c_void,
659) -> c_int {
660    0
661}
662
663pub unsafe fn avfilter_graph_set_auto_convert(_graph: *mut AVFilterGraph, _flags: c_uint) {}
664
665pub unsafe fn av_buffersrc_add_frame_flags(
666    _ctx: *mut AVFilterContext,
667    _frame: *mut AVFrame,
668    _flags: c_int,
669) -> c_int {
670    0
671}
672
673pub unsafe fn av_buffersrc_close(
674    _ctx: *mut AVFilterContext,
675    _pts: i64,
676    _flags: c_uint,
677) -> c_int {
678    0
679}
680
681pub unsafe fn av_buffersink_get_frame(
682    _ctx: *mut AVFilterContext,
683    _frame: *mut AVFrame,
684) -> c_int {
685    // Return EAGAIN to signal no frame available
686    -11
687}
688
689pub unsafe fn av_buffersink_get_time_base(_ctx: *const AVFilterContext) -> AVRational {
690    AVRational { num: 0, den: 1 }
691}
692
693/// Stub `avformat` wrapper module.
694pub mod avformat {
695    use std::os::raw::c_int;
696    use std::path::Path;
697
698    use super::{AVFormatContext, AVIOContext, AVPacket};
699
700    pub fn srt_available() -> bool {
701        false
702    }
703
704    pub unsafe fn open_input(_path: &Path) -> Result<*mut AVFormatContext, c_int> {
705        Err(-1)
706    }
707
708    pub unsafe fn open_input_url(
709        _url: &str,
710        _connect_timeout: std::time::Duration,
711        _read_timeout: std::time::Duration,
712    ) -> Result<*mut AVFormatContext, c_int> {
713        Err(-1)
714    }
715
716    pub unsafe fn open_input_image_sequence(
717        _path: &Path,
718        _framerate: u32,
719    ) -> Result<*mut AVFormatContext, c_int> {
720        Err(-1)
721    }
722
723    pub unsafe fn close_input(_ctx: *mut *mut AVFormatContext) {}
724
725    pub unsafe fn find_stream_info(_ctx: *mut AVFormatContext) -> Result<(), c_int> {
726        Err(-1)
727    }
728
729    pub unsafe fn seek_frame(
730        _ctx: *mut AVFormatContext,
731        _stream_index: c_int,
732        _timestamp: i64,
733        _flags: c_int,
734    ) -> Result<(), c_int> {
735        Err(-1)
736    }
737
738    pub unsafe fn seek_file(
739        _ctx: *mut AVFormatContext,
740        _stream_index: c_int,
741        _min_ts: i64,
742        _ts: i64,
743        _max_ts: i64,
744        _flags: c_int,
745    ) -> Result<(), c_int> {
746        Err(-1)
747    }
748
749    pub unsafe fn read_frame(
750        _ctx: *mut AVFormatContext,
751        _pkt: *mut AVPacket,
752    ) -> Result<(), c_int> {
753        Err(-1)
754    }
755
756    pub unsafe fn write_frame(
757        _ctx: *mut AVFormatContext,
758        _pkt: *mut AVPacket,
759    ) -> Result<(), c_int> {
760        Err(-1)
761    }
762
763    pub unsafe fn open_output(_path: &Path, _flags: c_int) -> Result<*mut AVIOContext, c_int> {
764        Err(-1)
765    }
766
767    pub unsafe fn close_output(_pb: *mut *mut AVIOContext) {}
768
769    pub mod avio_flags {
770        use std::os::raw::c_int;
771        pub const READ: c_int = 1;
772        pub const WRITE: c_int = 2;
773        pub const READ_WRITE: c_int = 3;
774    }
775
776    pub mod seek_flags {
777        pub const BACKWARD: i32 = 1;
778        pub const BYTE: i32 = 2;
779        pub const ANY: i32 = 4;
780        pub const FRAME: i32 = 8;
781    }
782}
783
784/// Stub `avcodec` wrapper module.
785pub mod avcodec {
786    use std::os::raw::c_int;
787
788    use super::{AVCodec, AVCodecContext, AVCodecID, AVCodecParameters, AVDictionary, AVFrame, AVPacket};
789
790    pub unsafe fn find_decoder(_codec_id: AVCodecID) -> Option<*const AVCodec> {
791        None
792    }
793
794    pub unsafe fn find_decoder_by_name(_name: *const i8) -> Option<*const AVCodec> {
795        None
796    }
797
798    pub unsafe fn find_encoder(_codec_id: AVCodecID) -> Option<*const AVCodec> {
799        None
800    }
801
802    pub unsafe fn find_encoder_by_name(_name: *const i8) -> Option<*const AVCodec> {
803        None
804    }
805
806    pub unsafe fn alloc_context3(_codec: *const AVCodec) -> Result<*mut AVCodecContext, c_int> {
807        Err(-1)
808    }
809
810    pub unsafe fn free_context(_ctx: *mut *mut AVCodecContext) {}
811
812    pub unsafe fn parameters_to_context(
813        _codec_ctx: *mut AVCodecContext,
814        _par: *const AVCodecParameters,
815    ) -> Result<(), c_int> {
816        Err(-1)
817    }
818
819    pub unsafe fn open2(
820        _avctx: *mut AVCodecContext,
821        _codec: *const AVCodec,
822        _options: *mut *mut AVDictionary,
823    ) -> Result<(), c_int> {
824        Err(-1)
825    }
826
827    pub unsafe fn send_packet(
828        _ctx: *mut AVCodecContext,
829        _pkt: *const AVPacket,
830    ) -> Result<(), c_int> {
831        Err(-1)
832    }
833
834    pub unsafe fn receive_frame(
835        _ctx: *mut AVCodecContext,
836        _frame: *mut AVFrame,
837    ) -> Result<(), c_int> {
838        Err(-1)
839    }
840
841    pub unsafe fn send_frame(
842        _ctx: *mut AVCodecContext,
843        _frame: *const AVFrame,
844    ) -> Result<(), c_int> {
845        Err(-1)
846    }
847
848    pub unsafe fn receive_packet(
849        _ctx: *mut AVCodecContext,
850        _pkt: *mut AVPacket,
851    ) -> Result<(), c_int> {
852        Err(-1)
853    }
854
855    pub unsafe fn flush_buffers(_ctx: *mut AVCodecContext) {}
856
857    pub unsafe fn parameters_from_context(
858        _par: *mut AVCodecParameters,
859        _ctx: *const AVCodecContext,
860    ) -> Result<(), c_int> {
861        Err(-1)
862    }
863
864    pub mod codec_caps {
865        pub const EXPERIMENTAL: u32 = 1 << 9;
866        pub const HARDWARE: u32 = 1 << 10;
867        pub const HYBRID: u32 = 1 << 11;
868        pub const VARIABLE_FRAME_SIZE: u32 = 1 << 16;
869        pub const AVOID_PROBING: u32 = 1 << 17;
870    }
871}
872
873/// Stub `swresample` wrapper module.
874pub mod swresample {
875    use std::os::raw::c_int;
876
877    use super::{AVChannelLayout, AVSampleFormat, SwrContext};
878
879    pub unsafe fn alloc() -> Result<*mut SwrContext, c_int> {
880        Err(-1)
881    }
882
883    pub unsafe fn alloc_set_opts2(
884        _out_ch_layout: *const AVChannelLayout,
885        _out_sample_fmt: AVSampleFormat,
886        _out_sample_rate: c_int,
887        _in_ch_layout: *const AVChannelLayout,
888        _in_sample_fmt: AVSampleFormat,
889        _in_sample_rate: c_int,
890    ) -> Result<*mut SwrContext, c_int> {
891        Err(-1)
892    }
893
894    pub unsafe fn init(_ctx: *mut SwrContext) -> Result<(), c_int> {
895        Err(-1)
896    }
897
898    pub unsafe fn is_initialized(_ctx: *const SwrContext) -> bool {
899        false
900    }
901
902    pub unsafe fn free(_ctx: *mut *mut SwrContext) {}
903
904    pub unsafe fn convert(
905        _s: *mut SwrContext,
906        _out: *mut *mut u8,
907        _out_count: c_int,
908        _in_: *const *const u8,
909        _in_count: c_int,
910    ) -> Result<c_int, c_int> {
911        Err(-1)
912    }
913
914    pub unsafe fn get_delay(_ctx: *mut SwrContext, _base: i64) -> i64 {
915        0
916    }
917
918    pub fn estimate_output_samples(
919        _out_sample_rate: i32,
920        _in_sample_rate: i32,
921        _in_samples: i32,
922    ) -> i32 {
923        0
924    }
925
926    pub mod channel_layout {
927        use super::super::AVChannelLayout;
928
929        pub unsafe fn set_default(_ch_layout: *mut AVChannelLayout, _nb_channels: i32) {}
930        pub unsafe fn uninit(_ch_layout: *mut AVChannelLayout) {}
931        pub unsafe fn copy(
932            _dst: *mut AVChannelLayout,
933            _src: *const AVChannelLayout,
934        ) -> Result<(), i32> {
935            Err(-1)
936        }
937        pub unsafe fn is_equal(
938            _chl: *const AVChannelLayout,
939            _chl1: *const AVChannelLayout,
940        ) -> bool {
941            false
942        }
943        pub fn mono() -> AVChannelLayout {
944            AVChannelLayout::default()
945        }
946        pub fn stereo() -> AVChannelLayout {
947            AVChannelLayout::default()
948        }
949        pub fn with_channels(_nb_channels: i32) -> AVChannelLayout {
950            AVChannelLayout::default()
951        }
952        pub fn is_valid(ch_layout: &AVChannelLayout) -> bool {
953            ch_layout.nb_channels > 0
954        }
955        pub fn nb_channels(ch_layout: &AVChannelLayout) -> i32 {
956            ch_layout.nb_channels
957        }
958        pub fn is_native_order(_ch_layout: &AVChannelLayout) -> bool {
959            false
960        }
961    }
962
963    pub mod audio_fifo {
964        use std::ffi::c_void;
965        use std::os::raw::c_int;
966
967        use super::super::{AVAudioFifo, AVSampleFormat};
968
969        pub unsafe fn alloc(
970            _sample_fmt: AVSampleFormat,
971            _channels: c_int,
972            _nb_samples: c_int,
973        ) -> Result<*mut AVAudioFifo, c_int> {
974            Err(-1)
975        }
976
977        pub unsafe fn free(_fifo: *mut AVAudioFifo) {}
978
979        pub unsafe fn write(
980            _fifo: *mut AVAudioFifo,
981            _data: *const *mut c_void,
982            _nb_samples: c_int,
983        ) -> Result<c_int, c_int> {
984            Err(-1)
985        }
986
987        pub unsafe fn read(
988            _fifo: *mut AVAudioFifo,
989            _data: *const *mut c_void,
990            _nb_samples: c_int,
991        ) -> Result<c_int, c_int> {
992            Err(-1)
993        }
994
995        pub unsafe fn size(_fifo: *mut AVAudioFifo) -> c_int {
996            0
997        }
998    }
999
1000    pub mod sample_format {
1001        use super::super::{
1002            AVSampleFormat, AVSampleFormat_AV_SAMPLE_FMT_NONE, AVSampleFormat_AV_SAMPLE_FMT_U8,
1003            AVSampleFormat_AV_SAMPLE_FMT_S16, AVSampleFormat_AV_SAMPLE_FMT_S32,
1004            AVSampleFormat_AV_SAMPLE_FMT_FLT, AVSampleFormat_AV_SAMPLE_FMT_DBL,
1005            AVSampleFormat_AV_SAMPLE_FMT_U8P, AVSampleFormat_AV_SAMPLE_FMT_S16P,
1006            AVSampleFormat_AV_SAMPLE_FMT_S32P, AVSampleFormat_AV_SAMPLE_FMT_FLTP,
1007            AVSampleFormat_AV_SAMPLE_FMT_DBLP, AVSampleFormat_AV_SAMPLE_FMT_S64,
1008            AVSampleFormat_AV_SAMPLE_FMT_S64P,
1009        };
1010
1011        pub const NONE: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_NONE;
1012        pub const U8: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_U8;
1013        pub const S16: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_S16;
1014        pub const S32: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_S32;
1015        pub const FLT: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_FLT;
1016        pub const DBL: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_DBL;
1017        pub const U8P: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_U8P;
1018        pub const S16P: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_S16P;
1019        pub const S32P: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_S32P;
1020        pub const FLTP: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_FLTP;
1021        pub const DBLP: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_DBLP;
1022        pub const S64: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_S64;
1023        pub const S64P: AVSampleFormat = AVSampleFormat_AV_SAMPLE_FMT_S64P;
1024
1025        pub fn bytes_per_sample(_sample_fmt: AVSampleFormat) -> i32 {
1026            0
1027        }
1028        pub fn is_planar(_sample_fmt: AVSampleFormat) -> bool {
1029            false
1030        }
1031    }
1032}
1033
1034/// Stub `swscale` wrapper module.
1035pub mod swscale {
1036    use std::os::raw::c_int;
1037
1038    use super::{AVPixelFormat, SwsContext};
1039
1040    pub unsafe fn get_context(
1041        _src_w: c_int,
1042        _src_h: c_int,
1043        _src_fmt: AVPixelFormat,
1044        _dst_w: c_int,
1045        _dst_h: c_int,
1046        _dst_fmt: AVPixelFormat,
1047        _flags: c_int,
1048    ) -> Result<*mut SwsContext, c_int> {
1049        Err(-1)
1050    }
1051
1052    pub unsafe fn free_context(_ctx: *mut SwsContext) {}
1053
1054    pub unsafe fn scale(
1055        _ctx: *mut SwsContext,
1056        _src: *const *const u8,
1057        _src_stride: *const c_int,
1058        _src_slice_y: c_int,
1059        _src_slice_h: c_int,
1060        _dst: *const *mut u8,
1061        _dst_stride: *const c_int,
1062    ) -> Result<c_int, c_int> {
1063        Err(-1)
1064    }
1065
1066    pub unsafe fn is_supported_input(_pix_fmt: AVPixelFormat) -> bool {
1067        false
1068    }
1069
1070    pub unsafe fn is_supported_output(_pix_fmt: AVPixelFormat) -> bool {
1071        false
1072    }
1073
1074    pub unsafe fn is_supported_endianness_conversion(_pix_fmt: AVPixelFormat) -> bool {
1075        false
1076    }
1077
1078    pub mod scale_flags {
1079        pub const FAST_BILINEAR: i32 = 1;
1080        pub const BILINEAR: i32 = 2;
1081        pub const BICUBIC: i32 = 4;
1082        pub const X: i32 = 8;
1083        pub const POINT: i32 = 16;
1084        pub const AREA: i32 = 32;
1085        pub const BICUBLIN: i32 = 64;
1086        pub const GAUSS: i32 = 128;
1087        pub const SINC: i32 = 256;
1088        pub const LANCZOS: i32 = 512;
1089        pub const SPLINE: i32 = 1024;
1090    }
1091}