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Diffstat (limited to 'examples/common/alffmpeg.h')
-rw-r--r-- | examples/common/alffmpeg.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/examples/common/alffmpeg.h b/examples/common/alffmpeg.h deleted file mode 100644 index 27e49ab4..00000000 --- a/examples/common/alffmpeg.h +++ /dev/null @@ -1,66 +0,0 @@ -#ifndef ALFFMPEG_H -#define ALFFMPEG_H - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -#include <libavcodec/avcodec.h> -#include <libavformat/avformat.h> - -/* Opaque handles to files and streams. Apps don't need to concern themselves - * with the internals */ -typedef struct MyFile *FilePtr; -typedef struct MyStream *StreamPtr; - -/* Opens a file with ffmpeg and sets up the streams' information */ -FilePtr openAVFile(const char *fname); - -/* Opens a named file image with ffmpeg and sets up the streams' information */ -FilePtr openAVData(const char *name, char *buffer, size_t buffer_len); - -/* Opens a named data stream with ffmpeg, using the specified data pointer and - * callbacks, and sets up the streams' information */ -FilePtr openAVCustom(const char *name, void *user_data, - int (*read_packet)(void *user_data, uint8_t *buf, int buf_size), - int (*write_packet)(void *user_data, uint8_t *buf, int buf_size), - int64_t (*seek)(void *user_data, int64_t offset, int whence)); - -/* Closes/frees an opened file and any of its streams */ -void closeAVFile(FilePtr file); - -/* Reports certain information from the file, eg, the number of audio - * streams. Returns 0 on success. */ -int getAVFileInfo(FilePtr file, int *numaudiostreams); - -/* Retrieves a handle for the given audio stream number (generally 0, but some - * files can have multiple audio streams in one file). */ -StreamPtr getAVAudioStream(FilePtr file, int streamnum); - -/* Returns information about the given audio stream. Returns 0 on success. */ -int getAVAudioInfo(StreamPtr stream, ALuint *rate, ALenum *channels, ALenum *type); - -/* Returns a pointer to the next available packet of decoded audio. Any data - * from a previously-decoded packet is dropped. The size (in bytes) of the - * returned data buffer is stored in 'length', and the returned pointer is only - * valid until the next call to getAVAudioData or readAVAudioData. */ -uint8_t *getAVAudioData(StreamPtr stream, size_t *length); - -/* The "meat" function. Decodes audio and writes, at most, length bytes into - * the provided data buffer. Will only return less for end-of-stream or error - * conditions. Returns the number of bytes written. */ -size_t readAVAudioData(StreamPtr stream, void *data, size_t length); - -/* Decodes all remaining data from the stream and returns a buffer containing - * the audio data, with the size stored in 'length'. The returned pointer must - * be freed with a call to free(). Note that since this decodes the whole - * stream, using it on lengthy streams (eg, music) will use a lot of memory. - * Such streams are better handled using getAVAudioData or readAVAudioData to - * keep smaller chunks in memory at any given time. */ -void *decodeAVAudioStream(StreamPtr stream, size_t *length); - -#ifdef __cplusplus -} -#endif /* __cplusplus */ - -#endif /* ALFFMPEG_H */ |