hls_sample_encryption.c File Reference

#include "libavutil/aes.h"
#include "libavutil/channel_layout.h"
#include "libavutil/mem.h"
#include "hls_sample_encryption.h"
#include "libavcodec/adts_header.h"
#include "libavcodec/adts_parser.h"
#include "libavcodec/ac3tab.h"
#include "libavcodec/ac3_parser_internal.h"

Go to the source code of this file.

Data Structures
struct	NALUnit
struct	AudioFrame
struct	CodecParserContext

Functions
void	ff_hls_senc_read_audio_setup_info (HLSAudioSetupInfo *info, const uint8_t *buf, size_t size)
int	ff_hls_senc_parse_audio_setup_info (AVStream *st, HLSAudioSetupInfo *info)
static void	remove_scep_3_bytes (NALUnit *nalu)
static int	get_next_nal_unit (CodecParserContext *ctx, NALUnit *nalu)
static int	decrypt_nal_unit (HLSCryptoContext *crypto_ctx, NALUnit *nalu)
static int	decrypt_video_frame (HLSCryptoContext *crypto_ctx, AVPacket *pkt)
static int	get_next_adts_frame (CodecParserContext *ctx, AudioFrame *frame)
static int	get_next_ac3_eac3_sync_frame (CodecParserContext *ctx, AudioFrame *frame)
static int	get_next_sync_frame (enum AVCodecID codec_id, CodecParserContext *ctx, AudioFrame *frame)
static int	decrypt_sync_frame (enum AVCodecID codec_id, HLSCryptoContext *crypto_ctx, AudioFrame *frame)
static int	decrypt_audio_frame (enum AVCodecID codec_id, HLSCryptoContext *crypto_ctx, AVPacket *pkt)
int	ff_hls_senc_decrypt_frame (enum AVCodecID codec_id, HLSCryptoContext *crypto_ctx, AVPacket *pkt)

Variables
static const int	eac3_sample_rate_tab [] = { 48000, 44100, 32000, 0 }

Detailed Description

Apple HTTP Live Streaming Sample Encryption https://developer.apple.com/library/ios/documentation/AudioVideo/Conceptual/HLS_Sample_Encryption

Definition in file hls_sample_encryption.c.

Function Documentation

ff_hls_senc_read_audio_setup_info()

void ff_hls_senc_read_audio_setup_info	(	HLSAudioSetupInfo *	info,
		const uint8_t *	buf,
		size_t	size
	)

Definition at line 61 of file hls_sample_encryption.c.

Referenced by parse_id3().

ff_hls_senc_parse_audio_setup_info()

int ff_hls_senc_parse_audio_setup_info	(	AVStream *	st,
		HLSAudioSetupInfo *	info
	)

Definition at line 93 of file hls_sample_encryption.c.

Referenced by hls_read_header().

remove_scep_3_bytes()

static void remove_scep_3_bytes ( NALUnit *  nalu )

static

Definition at line 154 of file hls_sample_encryption.c.

Referenced by decrypt_nal_unit().

get_next_nal_unit()

static int get_next_nal_unit ( CodecParserContext *  ctx, NALUnit *  nalu  )

static

Definition at line 174 of file hls_sample_encryption.c.

Referenced by decrypt_video_frame().

decrypt_nal_unit()

static int decrypt_nal_unit ( HLSCryptoContext *  crypto_ctx, NALUnit *  nalu  )

static

Definition at line 202 of file hls_sample_encryption.c.

Referenced by decrypt_video_frame().

decrypt_video_frame()

static int decrypt_video_frame ( HLSCryptoContext *  crypto_ctx, AVPacket *  pkt  )

static

Definition at line 234 of file hls_sample_encryption.c.

Referenced by ff_hls_senc_decrypt_frame().

get_next_adts_frame()

static int get_next_adts_frame ( CodecParserContext *  ctx, AudioFrame *  frame  )

static

Definition at line 270 of file hls_sample_encryption.c.

Referenced by get_next_sync_frame().

get_next_ac3_eac3_sync_frame()

static int get_next_ac3_eac3_sync_frame ( CodecParserContext *  ctx, AudioFrame *  frame  )

static

Definition at line 300 of file hls_sample_encryption.c.

Referenced by get_next_sync_frame().

get_next_sync_frame()

static int get_next_sync_frame ( enum AVCodecID  codec_id, CodecParserContext *  ctx, AudioFrame *  frame  )

static

Definition at line 332 of file hls_sample_encryption.c.

Referenced by decrypt_audio_frame().

decrypt_sync_frame()

static int decrypt_sync_frame ( enum AVCodecID  codec_id, HLSCryptoContext *  crypto_ctx, AudioFrame *  frame  )

static

Definition at line 342 of file hls_sample_encryption.c.

Referenced by decrypt_audio_frame().

decrypt_audio_frame()

static int decrypt_audio_frame ( enum AVCodecID  codec_id, HLSCryptoContext *  crypto_ctx, AVPacket *  pkt  )

static

Definition at line 361 of file hls_sample_encryption.c.

Referenced by ff_hls_senc_decrypt_frame().

ff_hls_senc_decrypt_frame()

int ff_hls_senc_decrypt_frame	(	enum AVCodecID	codec_id,
		HLSCryptoContext *	crypto_ctx,
		AVPacket *	pkt
	)

Definition at line 387 of file hls_sample_encryption.c.

Referenced by hls_read_packet().

Variable Documentation

eac3_sample_rate_tab

const int eac3_sample_rate_tab[] = { 48000, 44100, 32000, 0 }

static

Definition at line 59 of file hls_sample_encryption.c.

Referenced by ff_hls_senc_parse_audio_setup_info().