Updated acinerella code (for linux build)
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@@ -15,8 +15,8 @@
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along with Acinerella. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef VIDEOPLAY_H
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#define VIDEOPLAY_H
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#ifndef _ACINERELLA_H_
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#define _ACINERELLA_H_
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#include <stdint.h>
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#include <stdio.h>
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@@ -24,187 +24,495 @@
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#ifdef _WIN32
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#define CALL_CONVT __cdecl
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#define EXTERN extern __declspec(dllexport)
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#else
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#define CALL_CONVT
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#define CALL_CONVT
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#define EXTERN extern
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#endif
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typedef long long int64;
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/**
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* Defines the type of an Acinerella media stream. Currently only video and
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* audio streams are supported, subtitle and data streams will be marked as
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* "unknown".
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*/
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typedef enum _ac_stream_type {
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/**
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* The type of the media stream is not known. This kind of stream can not be
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* decoded.
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*/
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AC_STREAM_TYPE_VIDEO = 0,
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/*Defines the type of an Acinerella media stream. Currently only video and
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audio streams are supported, subtitle and data streams will be marked as
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"unknown".*/
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enum _ac_stream_type {
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/*The type of the media stream is not known. This kind of stream can not be
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decoded.*/
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AC_STREAM_TYPE_VIDEO = 0,
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/*This media stream is a video stream.*/
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AC_STREAM_TYPE_AUDIO = 1,
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/*This media stream is an audio stream.*/
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AC_STREAM_TYPE_UNKNOWN = -1
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};
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/**
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* This media stream is a video stream.
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*/
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AC_STREAM_TYPE_AUDIO = 1,
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typedef enum _ac_stream_type ac_stream_type;
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/**
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* This media stream is an audio stream.
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*/
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AC_STREAM_TYPE_UNKNOWN = -1
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} ac_stream_type;
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/*Defines the type of an Acinerella media decoder.*/
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enum _ac_decoder_type {
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/*This decoder is used to decode a video stream.*/
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AC_DECODER_TYPE_VIDEO = 0,
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/* This decoder is used to decode an audio stram.*/
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AC_DECODER_TYPE_AUDIO = 1
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};
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/**
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* Defines the type of an Acinerella media decoder.
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*/
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typedef enum _ac_decoder_type {
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/**
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* This decoder is used to decode a video stream.
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*/
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AC_DECODER_TYPE_VIDEO = 0,
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typedef enum _ac_decoder_type ac_decoder_type;
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/**
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* This decoder is used to decode an audio stram.
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*/
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AC_DECODER_TYPE_AUDIO = 1
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} ac_decoder_type;
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/*Defines the format video/image data is outputted in*/
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enum _ac_output_format {
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AC_OUTPUT_RGB24 = 0,
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AC_OUTPUT_BGR24 = 1,
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AC_OUTPUT_RGBA32 = 2,
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AC_OUTPUT_BGRA32 = 3
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};
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/**
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* Defines the format video/image data is returned in.
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*/
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typedef enum _ac_output_format {
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AC_OUTPUT_RGB24 = 0,
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AC_OUTPUT_BGR24 = 1,
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AC_OUTPUT_RGBA32 = 2,
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AC_OUTPUT_BGRA32 = 3,
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AC_OUTPUT_YUV420P = 4,
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AC_OUTPUT_UYVY422 = 5,
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AC_OUTPUT_YUYV422 = 6
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} ac_output_format;
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typedef enum _ac_output_format ac_output_format;
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/*Contains information about the whole file/stream that has been opened. Default values are ""
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/*Contains information about the whole file/stream that has been opened. Default
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values are ""
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for strings and -1 for integer values.*/
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struct _ac_file_info {
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/*Length of the file*/
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int64_t duration;
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};
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typedef struct _ac_file_info {
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/**
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* Title of the media file
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*/
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char title[512];
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typedef struct _ac_file_info ac_file_info;
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typedef ac_file_info* lp_ac_file_info;
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/**
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* Author or artist of the media file.
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*/
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char author[512];
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/*TAc_instance represents an Acinerella instance. Each instance can open and
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decode one file at once. There can be only 26 Acinerella instances opened at
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once.*/
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struct _ac_instance {
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/*If true, the instance currently opened a media file.*/
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bool opened;
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/*Contains the count of streams the media file has. This value is available
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after calling the ac_open function.*/
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int stream_count;
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/*Set this value to change the image output format */
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ac_output_format output_format;
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/*Contains information about the opened stream/file*/
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ac_file_info info;
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};
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/**
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* Copyright information.
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*/
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char copyright[512];
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typedef struct _ac_instance ac_instance;
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/*Pointer on the Acinerella instance record.*/
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typedef ac_instance* lp_ac_instance;
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/**
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* Comment stored in the file.
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*/
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char comment[512];
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/*Contains information about an Acinerella video stream.*/
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/**
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* Album the media file is from.
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*/
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char album[512];
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/**
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* Year in which the media file was created.
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*/
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int year;
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/**
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* Track number.
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*/
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int track;
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/**
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* Genre of the media file.
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*/
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char genre[32];
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/**
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* Length of the file in milliseconds.
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*/
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int64_t duration;
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/**
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* Bitrate of the file.
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*/
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int bitrate;
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} ac_file_info;
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typedef ac_file_info *lp_ac_file_info;
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/**
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* ac_instance represents an Acinerella instance. Each instance can open and
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* decode one file at once.
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*/
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typedef struct _ac_instance {
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/**
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* If true, the instance currently opened a media file.
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*/
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bool opened;
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/**
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* Contains the count of streams the media file has. This value is available
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* after calling the ac_open function.
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*/
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int stream_count;
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/**
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* Set this value to change the image output format
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*/
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ac_output_format output_format;
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/**
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* Contains information about the opened stream/file
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*/
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ac_file_info info;
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} ac_instance;
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/**
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* Pointer on the Acinerella instance record.
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*/
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typedef ac_instance *lp_ac_instance;
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/**
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* Contains information about an Acinerella video stream.
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*/
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struct _ac_video_stream_info {
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/*The width of one frame.*/
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int frame_width;
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/*The height of one frame.*/
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int frame_height;
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/*The width of one pixel. 1.07 for 4:3 format, 1,42 for the 16:9 format*/
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float pixel_aspect;
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/*Frames per second that should be played.*/
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double frames_per_second;
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};
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typedef struct _ac_video_stream_info ac_video_stream_info;
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/*Contains information about an Acinerella audio stream.*/
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struct _ac_audio_stream_info {
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/*Samples per second. Default values are 44100 or 48000.*/
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int samples_per_second;
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/*Bits per sample. Can be 8 or 16 Bit.*/
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int bit_depth;
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/*Count of channels in the audio stream.*/
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int channel_count;
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};
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typedef struct _ac_audio_stream_info ac_audio_stream_info;
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/**
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* The width of one frame.
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*/
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int frame_width;
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/**
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* The height of one frame.
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*/
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int frame_height;
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/**
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* The width of one pixel. 1.07 for 4:3 format, 1,42 for the 16:9 format
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*/
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float pixel_aspect;
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/**
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* Frames per second that should be played.
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*/
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double frames_per_second;
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};
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/**
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* Contains information about an Acinerella audio stream.
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*/
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struct _ac_audio_stream_info {
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/**
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* Samples per second. Default values are 44100 or 48000.
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*/
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int samples_per_second;
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/**
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* Bits per sample. Can be 8, 16 or 32 Bit. In the latter case the data is
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* in floating point format.
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*/
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int bit_depth;
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/**
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* Count of channels in the audio stream.
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*/
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int channel_count;
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};
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/**
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* Additional info about the stream - use "video_info" when the stream
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* is an video stream, "audio_info" when the stream is an audio stream.
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*/
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union _ac_additional_stream_info {
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struct _ac_audio_stream_info audio_info;
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struct _ac_video_stream_info video_info;
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};
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/*Contains information about an Acinerella stream.*/
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struct _ac_stream_info {
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/*Contains the type of the stream.*/
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ac_stream_type stream_type;
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ac_audio_stream_info audio_info;
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ac_video_stream_info video_info;
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};
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typedef struct _ac_stream_info {
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/**
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* Contains the type of the stream.
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*/
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ac_stream_type stream_type;
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typedef struct _ac_stream_info ac_stream_info;
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/*Pointer on TAc_stream_info*/
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typedef ac_stream_info* lp_ac_stream_info;
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/**
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* Additional data depending on the stream type. Either access the
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* "audio_info" or the "video_info" field, depending on the value stored in
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* the "stream_type" member.
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*/
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union _ac_additional_stream_info additional_info;
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} ac_stream_info;
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/*Contains information about an Acinerella video/audio decoder.*/
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struct _ac_decoder {
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/*Pointer on the Acinerella instance*/
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lp_ac_instance pacInstance;
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/*Contains the type of the decoder.*/
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ac_decoder_type type;
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/*The timecode of the currently decoded picture in seconds */
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double timecode;
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double video_clock;
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/*Contains information about the stream the decoder is attached to.*/
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ac_stream_info stream_info;
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/*The index of the stream the decoder is attached to.*/
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int stream_index;
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/*Pointer to the buffer which contains the data.*/
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char *pBuffer;
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/*Size of the data in the buffer.*/
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int buffer_size;
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};
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/**
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* Pointer on ac_stream_info
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*/
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typedef ac_stream_info *lp_ac_stream_info;
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typedef struct _ac_decoder ac_decoder;
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/*Pointer on TAc_decoder.*/
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typedef ac_decoder* lp_ac_decoder;
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/**
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* Contains information about an Acinerella video/audio decoder.
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*/
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typedef struct _ac_decoder {
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/**
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* Pointer on the Acinerella instance.
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*/
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lp_ac_instance pacInstance;
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/*Contains information about an Acinerella package.*/
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struct _ac_package {
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/*The stream the package belongs to.*/
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int stream_index;
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};
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/**
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* Contains the type of the decoder.
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*/
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ac_decoder_type type;
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typedef struct _ac_package ac_package;
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/*Pointer on TAc_package*/
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typedef ac_package* lp_ac_package;
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/**
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* The timecode of the currently decoded picture in seconds.
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*/
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double timecode;
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/*Initializes an Acinerella instance.*/
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extern lp_ac_instance CALL_CONVT ac_init(void);
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extern void CALL_CONVT ac_free(lp_ac_instance pacInstance);
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/**
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* Contains information about the stream the decoder is attached to.
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*/
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ac_stream_info stream_info;
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/*Opens a media file.*/
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extern int CALL_CONVT ac_open2(
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lp_ac_instance pacInstance,
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const char* filename
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);
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/*Closes an opened media file.*/
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extern void CALL_CONVT ac_close(lp_ac_instance pacInstance);
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/*Stores information in "pInfo" about stream number "nb".*/
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extern void CALL_CONVT ac_get_stream_info(lp_ac_instance pacInstance, int nb, lp_ac_stream_info info);
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/**
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* The index of the stream the decoder is attached to.
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*/
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int stream_index;
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/*Reads a package from an opened media file.*/
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extern lp_ac_package CALL_CONVT ac_read_package(lp_ac_instance pacInstance);
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/*Frees a package that has been read.*/
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extern void CALL_CONVT ac_free_package(lp_ac_package pPackage);
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/**
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* Pointer to the buffer which contains the data.
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*/
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uint8_t *pBuffer;
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extern lp_ac_decoder CALL_CONVT ac_create_audio_decoder(lp_ac_instance pacInstance);
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extern lp_ac_decoder CALL_CONVT ac_create_video_decoder(lp_ac_instance pacInstance);
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/*Frees an created decoder.*/
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extern void CALL_CONVT ac_free_decoder(lp_ac_decoder pDecoder);
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/*Decodes a package using the specified decoder. The decodec data is stored in the
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"buffer" property of the decoder.*/
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extern int CALL_CONVT ac_decode_package(lp_ac_package pPackage, lp_ac_decoder pDecoder);
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extern int CALL_CONVT ac_drop_decode_package(lp_ac_package pPackage, lp_ac_decoder pDecoder);
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/**
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* Size of the data in the buffer.
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*/
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int buffer_size;
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} ac_decoder;
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typedef ac_decoder *lp_ac_decoder;
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/**
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* Contains information about an Acinerella package.
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*/
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typedef struct _ac_package {
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/*The stream the package belongs to.*/
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int stream_index;
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} ac_package;
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typedef ac_package *lp_ac_package;
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typedef void *lp_ac_proberesult;
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/**
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* Callback function used to ask the application to read data. Should return
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* the number of bytes read or an value smaller than zero if an error occured.
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*/
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typedef int (CALL_CONVT *ac_read_callback)(void *sender, uint8_t *buf,
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int size);
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/**
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* Callback function used to ask the application to seek.
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*
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* @param sender is the pointer specified in ac_open.
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* @param pos is the position to which the stream should be seeked.
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* @param whence specifies whether the seeking should be relative to the
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* beginning of the file (0, SEEK_SET), relative to the current location (1,
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* SEEK_CUR), or relative to the end of the file (2, SEEK_END)
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* @return 0 if the function succeeds, -1 on failure.
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*/
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typedef int64_t (CALL_CONVT *ac_seek_callback)(void *sender, int64_t pos,
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int whence);
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/**
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* Callback function that is used to notify the application when the data stream
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* is opened or closed. For example the file pointer should be resetted to zero
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* when the "open" function is called.
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*/
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typedef int (CALL_CONVT *ac_openclose_callback)(void *sender);
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/**
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* Initializes an Acinerella instance.
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*
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* @return a pointer at an acinerella instance. The instance must be freed using
|
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* ac_free.
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*/
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EXTERN lp_ac_instance CALL_CONVT ac_init(void);
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/**
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* Initializes an Acinerella instance with a specific output format.
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*
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* @return a pointer at an acinerella instance. The instance must be freed using
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* ac_free.
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*/
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EXTERN lp_ac_instance CALL_CONVT ac_init_of(ac_output_format outputFormat);
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/**
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* Frees a previously created Acinerella instance.
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*
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* @param pacInstance is the Acinerella instance that should be freed.
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*/
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EXTERN void CALL_CONVT ac_free(lp_ac_instance pacInstance);
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/**
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* Opens a media stream.
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*
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* @param inst specifies the Acinerella Instance the stream should be opened
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||||
* for.
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||||
* @param sender specifies a pointer that is sent to all callback functions to
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||||
* allow you to do object orientated programming. May be NULL.
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* @param open_proc specifies the callback function that is called, when the
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* media file is opened. May be NULL.
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||||
* @param seek_proc specifies the callback function that is called, when the
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||||
* ffmpeg decoder wants to seek in the file. May be NULL.
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||||
* @param close_proc specifies the callback function that is called when the
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||||
* media file is closed. May be NULL.
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||||
* @param proberesult is a pointer at a structure previously returned by
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||||
* ac_probe_input_buffer. May be NULL.
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||||
*/
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||||
EXTERN int CALL_CONVT
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||||
ac_open(lp_ac_instance pacInstance, void *sender,
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||||
ac_openclose_callback open_proc, ac_read_callback read_proc,
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||||
ac_seek_callback seek_proc, ac_openclose_callback close_proc,
|
||||
lp_ac_proberesult proberesult);
|
||||
|
||||
/**
|
||||
* Opens a media file.
|
||||
*
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||||
* @param inst specifies the Acinerella Instance the stream should be opened
|
||||
* for.
|
||||
* @param file is the name of the file that should be opened.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_open_file(lp_ac_instance pacInstance, const char *filename);
|
||||
|
||||
/**
|
||||
* Closes an opened media file.
|
||||
*/
|
||||
EXTERN void CALL_CONVT ac_close(lp_ac_instance pacInstance);
|
||||
|
||||
/**
|
||||
* Stores information in "pInfo" about stream number "nb".
|
||||
*/
|
||||
EXTERN void CALL_CONVT ac_get_stream_info(lp_ac_instance pacInstance, int nb,
|
||||
lp_ac_stream_info info);
|
||||
|
||||
/**
|
||||
* Reads a package from an opened media file.
|
||||
*
|
||||
* @param pacInstance is the Acinerella instance from which the data should be
|
||||
* read.
|
||||
* @return a pointer at a ac_package structure or NULL on failure. The returned
|
||||
* pointer must be freed with ac_free_package after use.
|
||||
*/
|
||||
EXTERN lp_ac_package CALL_CONVT ac_read_package(lp_ac_instance pacInstance);
|
||||
|
||||
/**
|
||||
* Frees a package that has been read.
|
||||
*
|
||||
* @param pPackage is a pointer at the ac_package that should be freed. May be
|
||||
* NULL in which case no operation is performed.
|
||||
*/
|
||||
EXTERN void CALL_CONVT ac_free_package(lp_ac_package pPackage);
|
||||
|
||||
/**
|
||||
* Creates an decoder for the specified stream number. Returns NULL if no
|
||||
* decoder could be found.
|
||||
*/
|
||||
EXTERN lp_ac_decoder CALL_CONVT
|
||||
ac_create_decoder(lp_ac_instance pacInstance, int nb);
|
||||
|
||||
/**
|
||||
* Frees an created decoder.
|
||||
*/
|
||||
EXTERN void CALL_CONVT ac_free_decoder(lp_ac_decoder pDecoder);
|
||||
|
||||
/**
|
||||
* Decodes a package using the specified decoder. The decoded data is stored in
|
||||
* the "buffer" property of the decoder.
|
||||
*
|
||||
* @param pPackage is the package that should be decoded, previously read by the
|
||||
* ac_read_package method.
|
||||
* @param pDecoder is the decoder instance that should be used to decode the
|
||||
* package -- use the stream index stored in the package to determine the
|
||||
* correct decoder.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_decode_package(lp_ac_package pPackage, lp_ac_decoder pDecoder);
|
||||
|
||||
/**
|
||||
* Decodes a package using the specified decoder and skips it. Returns true if a frame was skiped.
|
||||
*
|
||||
* @param pPackage is the package that should be decoded, previously read by the
|
||||
* ac_read_package method.
|
||||
* @param pDecoder is the decoder instance that should be used to decode the
|
||||
* package -- use the stream index stored in the package to determine the
|
||||
* correct decoder.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_skip_package(lp_ac_package pPackage, lp_ac_decoder pDecoder);
|
||||
|
||||
/**
|
||||
* Decodes a packages using the specified decoder and skips num frames. Returns true if num frames where skiped.
|
||||
*
|
||||
* @param pacInstance is the Acinerella instance from which the data should be
|
||||
* read.
|
||||
* @param pDecoder is the decoder instance that should be used to decode the
|
||||
* package -- use the stream index stored in the package to determine the
|
||||
* correct decoder.
|
||||
* @num number of frames to skip.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_skip_frames(lp_ac_instance pacInstance, lp_ac_decoder pDecoder, int num);
|
||||
|
||||
/**
|
||||
* Decodes a video frame using the specified decoder and strores the result in the decoder. Returns true if a frame cloud be decoded.
|
||||
*
|
||||
* @param pacInstance is the Acinerella instance from which the data should be
|
||||
* read.
|
||||
* @param pDecoder is the decoder instance that should be used to decode the
|
||||
* package -- use the stream index stored in the package to determine the
|
||||
* correct decoder.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_get_frame(lp_ac_instance pacInstance, lp_ac_decoder pDecoder);
|
||||
|
||||
/**
|
||||
* Decodes a audio frame using the specified decoder and strores the result in the decoder. Returns true if a frame cloud be decoded.
|
||||
*
|
||||
* @param pacInstance is the Acinerella instance from which the data should be
|
||||
* read.
|
||||
* @param pDecoder is the decoder instance that should be used to decode the
|
||||
* package -- use the stream index stored in the package to determine the
|
||||
* correct decoder.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_get_audio_frame(lp_ac_instance pacInstance, lp_ac_decoder pDecoder);
|
||||
|
||||
|
||||
/**
|
||||
* Seeks to the given target position in the file. The seek funtion is not able
|
||||
* to seek a single audio/video stream but seeks the whole file forward. The
|
||||
* stream number paremter (nb) is only used for the timecode reference.
|
||||
* The parameter "dir" specifies the seek direction: 0 for forward, -1 for
|
||||
* backward. The target_pos paremeter is in milliseconds. Returns 1 if the
|
||||
* functions succeded.
|
||||
*/
|
||||
EXTERN int CALL_CONVT
|
||||
ac_seek(lp_ac_decoder pDecoder, int dir, int64_t target_pos);
|
||||
|
||||
/**
|
||||
* Checks whether the given input buffer contains data that can potentially be
|
||||
* decoded by Acinerella. If yes, returns a pointer that may be passed to
|
||||
* ac_open in order to speed up the open process. Otherwise returns NULL.
|
||||
*
|
||||
* @param buf is a pointer to the buffer in which the data is stored.
|
||||
* @param bufsize is the size of the buffer.
|
||||
* @param filename is the name of the file the buffer originated from. May be
|
||||
* empty or NULL.
|
||||
* @param score_max is set to the maximum of the previous value of score_max
|
||||
* and an internal score value.
|
||||
* @return either a pointer at an internal "probe result" or NULL if the buffer
|
||||
* contains no decodeable data.
|
||||
*/
|
||||
EXTERN lp_ac_proberesult CALL_CONVT
|
||||
ac_probe_input_buffer(uint8_t *buf, int bufsize, char *filename,
|
||||
int *score_max);
|
||||
|
||||
#endif /* _ACINERELLA_H_ */
|
||||
|
||||
extern int CALL_CONVT ac_get_audio_frame(lp_ac_instance pacInstance, lp_ac_decoder pDecoder);
|
||||
extern int CALL_CONVT ac_get_frame(lp_ac_instance pacInstance, lp_ac_decoder pDecoder);
|
||||
extern int CALL_CONVT ac_skip_frames(lp_ac_instance pacInstance, lp_ac_decoder pDecoder, int num);
|
||||
|
||||
/*Seeks to the given target position in the file. The seek funtion is not able to seek a single audio/video stream
|
||||
but seeks the whole file forward. The stream number paremter (nb) is only used for the timecode reference.
|
||||
The parameter "dir" specifies the seek direction: 0 for forward, -1 for backward.
|
||||
The target_pos paremeter is in milliseconds. Returns 1 if the functions succeded.*/
|
||||
extern int CALL_CONVT ac_seek(lp_ac_decoder pDecoder, int dir, int64_t target_pos);
|
||||
#endif /*VIDEOPLAY_H*/
|
||||
Reference in new issue
Block a user