forked from mia/Aegisub
282 lines
9.5 KiB
C
282 lines
9.5 KiB
C
// Copyright (c) 2007-2009 Fredrik Mellbin
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef FFMS_H
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#define FFMS_H
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// Version format: major - minor - micro - bump
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#define FFMS_VERSION ((2 << 24) | (11 << 16)| (0 << 8) | 5)
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#include <stdint.h>
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#ifdef __cplusplus
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# define EXTERN_C extern "C"
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# define FFMS_CLASS_TYPE class
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#else
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# define EXTERN_C
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# define FFMS_CLASS_TYPE struct
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#endif
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#ifdef _WIN32
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# define FFMS_CC __stdcall
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# ifdef FFMS_EXPORTS
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# define FFMS_API(ret) EXTERN_C __declspec(dllexport) ret FFMS_CC
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# else
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# define FFMS_API(ret) EXTERN_C __declspec(dllimport) ret FFMS_CC
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# endif
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#else
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# define FFMS_CC
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# define FFMS_API(ret) EXTERN_C ret FFMS_CC
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#endif
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struct FFMS_ErrorInfo {
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int ErrorType;
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int SubType;
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int BufferSize;
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char *Buffer;
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};
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FFMS_CLASS_TYPE FFMS_VideoSource;
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FFMS_CLASS_TYPE FFMS_AudioSource;
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FFMS_CLASS_TYPE FFMS_Indexer;
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FFMS_CLASS_TYPE FFMS_Index;
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FFMS_CLASS_TYPE FFMS_Track;
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enum FFMS_Errors {
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// No error
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FFMS_ERROR_SUCCESS = 0,
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// Main types - where the error occurred
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FFMS_ERROR_INDEX = 1,
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FFMS_ERROR_INDEXING,
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FFMS_ERROR_POSTPROCESSING,
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FFMS_ERROR_SCALING,
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FFMS_ERROR_DECODING,
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FFMS_ERROR_SEEKING,
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FFMS_ERROR_PARSER,
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FFMS_ERROR_TRACK,
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FFMS_ERROR_WAVE_WRITER,
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FFMS_ERROR_CANCELLED,
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// Subtypes - what caused the error
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FFMS_ERROR_UNKNOWN = 20,
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FFMS_ERROR_UNSUPPORTED,
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FFMS_ERROR_FILE_READ,
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FFMS_ERROR_FILE_WRITE,
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FFMS_ERROR_NO_FILE,
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FFMS_ERROR_VERSION,
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FFMS_ERROR_ALLOCATION_FAILED,
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FFMS_ERROR_INVALID_ARGUMENT,
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FFMS_ERROR_CODEC,
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FFMS_ERROR_NOT_AVAILABLE,
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FFMS_ERROR_FILE_MISMATCH,
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FFMS_ERROR_USER
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};
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enum FFMS_Sources {
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FFMS_SOURCE_LAVF = 0x01,
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FFMS_SOURCE_MATROSKA = 0x02,
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FFMS_SOURCE_HAALIMPEG = 0x04,
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FFMS_SOURCE_HAALIOGG = 0x08
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};
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enum FFMS_CPUFeatures {
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FFMS_CPU_CAPS_MMX = 0x01,
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FFMS_CPU_CAPS_MMX2 = 0x02,
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FFMS_CPU_CAPS_3DNOW = 0x04,
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FFMS_CPU_CAPS_ALTIVEC = 0x08,
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FFMS_CPU_CAPS_BFIN = 0x10
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};
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enum FFMS_SeekMode {
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FFMS_SEEK_LINEAR_NO_RW = -1,
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FFMS_SEEK_LINEAR = 0,
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FFMS_SEEK_NORMAL = 1,
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FFMS_SEEK_UNSAFE = 2,
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FFMS_SEEK_AGGRESSIVE = 3
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};
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enum FFMS_IndexErrorHandling {
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FFMS_IEH_ABORT = 0,
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FFMS_IEH_CLEAR_TRACK = 1,
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FFMS_IEH_STOP_TRACK = 2,
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FFMS_IEH_IGNORE = 3
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};
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enum FFMS_TrackType {
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FFMS_TYPE_UNKNOWN = -1,
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FFMS_TYPE_VIDEO,
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FFMS_TYPE_AUDIO,
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FFMS_TYPE_DATA,
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FFMS_TYPE_SUBTITLE,
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FFMS_TYPE_ATTACHMENT
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};
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enum FFMS_SampleFormat {
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FFMS_FMT_U8 = 0,
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FFMS_FMT_S16,
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FFMS_FMT_S32,
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FFMS_FMT_FLT,
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FFMS_FMT_DBL
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};
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enum FFMS_AudioChannel {
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FFMS_CH_FRONT_LEFT = 0x00000001,
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FFMS_CH_FRONT_RIGHT = 0x00000002,
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FFMS_CH_FRONT_CENTER = 0x00000004,
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FFMS_CH_LOW_FREQUENCY = 0x00000008,
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FFMS_CH_BACK_LEFT = 0x00000010,
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FFMS_CH_BACK_RIGHT = 0x00000020,
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FFMS_CH_FRONT_LEFT_OF_CENTER = 0x00000040,
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FFMS_CH_FRONT_RIGHT_OF_CENTER = 0x00000080,
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FFMS_CH_BACK_CENTER = 0x00000100,
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FFMS_CH_SIDE_LEFT = 0x00000200,
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FFMS_CH_SIDE_RIGHT = 0x00000400,
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FFMS_CH_TOP_CENTER = 0x00000800,
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FFMS_CH_TOP_FRONT_LEFT = 0x00001000,
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FFMS_CH_TOP_FRONT_CENTER = 0x00002000,
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FFMS_CH_TOP_FRONT_RIGHT = 0x00004000,
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FFMS_CH_TOP_BACK_LEFT = 0x00008000,
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FFMS_CH_TOP_BACK_CENTER = 0x00010000,
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FFMS_CH_TOP_BACK_RIGHT = 0x00020000,
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FFMS_CH_STEREO_LEFT = 0x20000000,
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FFMS_CH_STEREO_RIGHT = 0x40000000
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};
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enum FFMS_Resizers {
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FFMS_RESIZER_FAST_BILINEAR = 0x0001,
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FFMS_RESIZER_BILINEAR = 0x0002,
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FFMS_RESIZER_BICUBIC = 0x0004,
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FFMS_RESIZER_X = 0x0008,
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FFMS_RESIZER_POINT = 0x0010,
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FFMS_RESIZER_AREA = 0x0020,
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FFMS_RESIZER_BICUBLIN = 0x0040,
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FFMS_RESIZER_GAUSS = 0x0080,
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FFMS_RESIZER_SINC = 0x0100,
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FFMS_RESIZER_LANCZOS = 0x0200,
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FFMS_RESIZER_SPLINE = 0x0400
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};
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struct FFMS_Frame {
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uint8_t *Data[4];
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int Linesize[4];
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int EncodedWidth;
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int EncodedHeight;
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int EncodedPixelFormat;
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int ScaledWidth;
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int ScaledHeight;
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int ConvertedPixelFormat;
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int KeyFrame;
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int RepeatPict;
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int InterlacedFrame;
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int TopFieldFirst;
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char PictType;
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};
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struct FFMS_TrackTimeBase {
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int64_t Num;
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int64_t Den;
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};
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#define FFMS_FRAMEINFO_COMMON int64_t DTS; int RepeatPict; bool KeyFrame;
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struct FFMS_FrameInfo {
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FFMS_FRAMEINFO_COMMON
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};
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struct FFMS_VideoProperties {
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int FPSDenominator;
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int FPSNumerator;
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int RFFDenominator;
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int RFFNumerator;
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int NumFrames;
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int SARNum;
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int SARDen;
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int CropTop;
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int CropBottom;
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int CropLeft;
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int CropRight;
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int TopFieldFirst;
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int ColorSpace; // same as in the MPEG-2 specs, see AVColorSpace in avcodec.h
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int ColorRange; // 0=unspecified, 1=16-235, 2=0-255
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double FirstTime;
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double LastTime;
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};
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struct FFMS_AudioProperties {
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int SampleFormat;
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int SampleRate;
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int BitsPerSample;
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int Channels;
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int64_t ChannelLayout;
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int64_t NumSamples;
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double FirstTime;
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double LastTime;
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};
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typedef int (FFMS_CC *TIndexCallback)(int64_t Current, int64_t Total, void *ICPrivate);
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typedef int (FFMS_CC *TAudioNameCallback)(const char *SourceFile, int Track, const FFMS_AudioProperties *AP, char *FileName, int FNSize, void *Private);
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// Most functions return 0 on success
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// Functions without error message output can be assumed to never fail in a graceful way
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FFMS_API(void) FFMS_Init(int CPUFeatures);
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FFMS_API(int) FFMS_GetLogLevel();
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FFMS_API(void) FFMS_SetLogLevel(int Level);
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FFMS_API(FFMS_VideoSource *) FFMS_CreateVideoSource(const char *SourceFile, int Track, FFMS_Index *Index, int Threads, int SeekMode, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(FFMS_AudioSource *) FFMS_CreateAudioSource(const char *SourceFile, int Track, FFMS_Index *Index, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(void) FFMS_DestroyVideoSource(FFMS_VideoSource *V);
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FFMS_API(void) FFMS_DestroyAudioSource(FFMS_AudioSource *A);
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FFMS_API(const FFMS_VideoProperties *) FFMS_GetVideoProperties(FFMS_VideoSource *V);
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FFMS_API(const FFMS_AudioProperties *) FFMS_GetAudioProperties(FFMS_AudioSource *A);
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FFMS_API(const FFMS_Frame *) FFMS_GetFrame(FFMS_VideoSource *V, int n, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(const FFMS_Frame *) FFMS_GetFrameByTime(FFMS_VideoSource *V, double Time, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_GetAudio(FFMS_AudioSource *A, void *Buf, int64_t Start, int64_t Count, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_SetOutputFormatV(FFMS_VideoSource *V, int64_t TargetFormats, int Width, int Height, int Resizer, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(void) FFMS_ResetOutputFormatV(FFMS_VideoSource *V);
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FFMS_API(int) FFMS_SetPP(FFMS_VideoSource *V, const char *PP, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(void) FFMS_ResetPP(FFMS_VideoSource *V);
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FFMS_API(void) FFMS_DestroyIndex(FFMS_Index *Index);
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FFMS_API(int) FFMS_GetFirstTrackOfType(FFMS_Index *Index, int TrackType, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_GetFirstIndexedTrackOfType(FFMS_Index *Index, int TrackType, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_GetNumTracks(FFMS_Index *Index);
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FFMS_API(int) FFMS_GetNumTracksI(FFMS_Indexer *Indexer);
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FFMS_API(int) FFMS_GetTrackType(FFMS_Track *T);
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FFMS_API(int) FFMS_GetTrackTypeI(FFMS_Indexer *Indexer, int Track);
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FFMS_API(const char *) FFMS_GetCodecNameI(FFMS_Indexer *Indexer, int Track);
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FFMS_API(int) FFMS_GetNumFrames(FFMS_Track *T);
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FFMS_API(const FFMS_FrameInfo *) FFMS_GetFrameInfo(FFMS_Track *T, int Frame);
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FFMS_API(FFMS_Track *) FFMS_GetTrackFromIndex(FFMS_Index *Index, int Track);
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FFMS_API(FFMS_Track *) FFMS_GetTrackFromVideo(FFMS_VideoSource *V);
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FFMS_API(FFMS_Track *) FFMS_GetTrackFromAudio(FFMS_AudioSource *A);
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FFMS_API(const FFMS_TrackTimeBase *) FFMS_GetTimeBase(FFMS_Track *T);
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FFMS_API(int) FFMS_WriteTimecodes(FFMS_Track *T, const char *TimecodeFile, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(FFMS_Index *) FFMS_MakeIndex(const char *SourceFile, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, int ErrorHandling, TIndexCallback IC, void *ICPrivate, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_DefaultAudioFilename(const char *SourceFile, int Track, const FFMS_AudioProperties *AP, char *FileName, int FNSize, void *Private);
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FFMS_API(FFMS_Indexer *) FFMS_CreateIndexer(const char *SourceFile, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(FFMS_Index *) FFMS_DoIndexing(FFMS_Indexer *Indexer, int IndexMask, int DumpMask, TAudioNameCallback ANC, void *ANCPrivate, int ErrorHandling, TIndexCallback IC, void *ICPrivate, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(void) FFMS_CancelIndexing(FFMS_Indexer *Indexer);
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FFMS_API(FFMS_Index *) FFMS_ReadIndex(const char *IndexFile, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_IndexBelongsToFile(FFMS_Index *Index, const char *SourceFile, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_WriteIndex(const char *IndexFile, FFMS_Index *Index, FFMS_ErrorInfo *ErrorInfo);
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FFMS_API(int) FFMS_GetPixFmt(const char *Name);
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FFMS_API(int) FFMS_GetPresentSources();
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FFMS_API(int) FFMS_GetEnabledSources();
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#endif
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