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lavf: generic code for exporting attached pictures.

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This commit is contained in:
Anton Khirnov
2012-02-25 18:05:55 +01:00
parent a93b09cb45
commit dd2a4bcfd7
2 changed files with 44 additions and 18 deletions
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16
libavformat/avformat.h
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@ -530,6 +530,13 @@ typedef struct AVIndexEntry {
#define AV_DISPOSITION_HEARING_IMPAIRED 0x0080 /**< stream for hearing impaired audiences */
#define AV_DISPOSITION_VISUAL_IMPAIRED 0x0100 /**< stream for visual impaired audiences */
#define AV_DISPOSITION_CLEAN_EFFECTS 0x0200 /**< stream without voice */
/**
* The stream is stored in the file as an attached picture/"cover art" (e.g.
* APIC frame in ID3v2). The single packet associated with it will be returned
* among the first few packets read from the file unless seeking takes place.
* It can also be accessed at any time in AVStream.attached_pic.
*/
#define AV_DISPOSITION_ATTACHED_PIC 0x0400
/**
* Stream structure.
@ -602,6 +609,15 @@ typedef struct AVStream {
*/
AVRational avg_frame_rate;
/**
* For streams with AV_DISPOSITION_ATTACHED_PIC disposition, this packet
* will contain the attached picture.
*
* decoding: set by libavformat, must not be modified by the caller.
* encoding: unused
*/
AVPacket attached_pic;
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavformat and can be changed and