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Update libnestegg from upstream

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trav90 2018-09-28 22:59:06 -05:00 • committed by Roy Tam
commit 7682eb71f8
3 changed files with 260 additions and 108 deletions
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29
media/libnestegg/include/nestegg.h
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@ -27,7 +27,7 @@ extern "C" {
@code
nestegg * demux_ctx;
nestegg_init(&demux_ctx, io, NULL);
nestegg_init(&demux_ctx, io, NULL, -1);
nestegg_packet * pkt;
while ((r = nestegg_read_packet(demux_ctx, &pkt)) > 0) {
@ -71,6 +71,7 @@ extern "C" {
#define NESTEGG_CODEC_VORBIS 1 /**< Track uses Xiph Vorbis codec. */
#define NESTEGG_CODEC_VP9 2 /**< Track uses Google On2 VP9 codec. */
#define NESTEGG_CODEC_OPUS 3 /**< Track uses Xiph Opus codec. */
#define NESTEGG_CODEC_AV1 4 /**< Track uses AOMedia AV1 codec. */
#define NESTEGG_CODEC_UNKNOWN INT_MAX /**< Track uses unknown codec. */
#define NESTEGG_VIDEO_MONO 0 /**< Track is mono video. */
@ -92,9 +93,10 @@ extern "C" {
#define NESTEGG_ENCODING_COMPRESSION 0 /**< Content encoding type is compression. */
#define NESTEGG_ENCODING_ENCRYPTION 1 /**< Content encoding type is encryption. */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_FALSE 0 /**< Packet does not have signal byte */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_UNENCRYPTED 1 /**< Packet has signal byte and is unencrypted */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_ENCRYPTED 2 /**< Packet has signal byte and is encrypted */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_FALSE 0 /**< Packet does not have signal byte */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_UNENCRYPTED 1 /**< Packet has signal byte and is unencrypted */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_ENCRYPTED 2 /**< Packet has signal byte and is encrypted */
#define NESTEGG_PACKET_HAS_SIGNAL_BYTE_PARTITIONED 4 /**< Packet has signal byte and is partitioned */
#define NESTEGG_PACKET_HAS_KEYFRAME_FALSE 0 /**< Packet contains only keyframes. */
#define NESTEGG_PACKET_HAS_KEYFRAME_TRUE 1 /**< Packet does not contain any keyframes */
@ -185,7 +187,7 @@ void nestegg_destroy(nestegg * context);
int nestegg_duration(nestegg * context, uint64_t * duration);
/** Query the tstamp scale of the media stream in nanoseconds.
@note Timecodes presented by nestegg have been scaled by this value
@note Timestamps presented by nestegg have been scaled by this value
before presentation to the caller.
@param context Stream context initialized by #nestegg_init.
@param scale Storage for the queried scale factor.
@ -247,6 +249,7 @@ int nestegg_track_type(nestegg * context, unsigned int track);
@param track Zero based track number.
@retval #NESTEGG_CODEC_VP8 Track codec is VP8.
@retval #NESTEGG_CODEC_VP9 Track codec is VP9.
@retval #NESTEGG_CODEC_AV1 Track codec is AV1.
@retval #NESTEGG_CODEC_VORBIS Track codec is Vorbis.
@retval #NESTEGG_CODEC_OPUS Track codec is Opus.
@retval #NESTEGG_CODEC_UNKNOWN Track codec is unknown.
@ -363,7 +366,7 @@ int nestegg_packet_has_keyframe(nestegg_packet * packet);
@retval -1 Error. */
int nestegg_packet_track(nestegg_packet * packet, unsigned int * track);
/** Query the time stamp in nanoseconds of @a packet.
/** Query the timestamp in nanoseconds of @a packet.
@param packet Packet initialized by #nestegg_read_packet.
@param tstamp Storage for the queried timestamp in nanoseconds.
@retval 0 Success.
@ -424,6 +427,8 @@ int nestegg_packet_discard_padding(nestegg_packet * packet,
set, encryption information not read from packet.
@retval #NESTEGG_PACKET_HAS_SIGNAL_BYTE_ENCRYPTED Encrypted bit set,
encryption infomation read from packet.
@retval #NESTEGG_PACKET_HAS_SIGNAL_BYTE_PARTITIONED Partitioned bit set,
encryption and parition information read from packet.
@retval -1 Error.*/
int nestegg_packet_encryption(nestegg_packet * packet);
@ -439,6 +444,18 @@ int nestegg_packet_encryption(nestegg_packet * packet);
int nestegg_packet_iv(nestegg_packet * packet, unsigned char const ** iv,
size_t * length);
/** Query the packet for offsets.
@param packet Packet initialized by #nestegg_read_packet.
@param partition_offsets Storage for queried offsets.
@param num_offsets Length of returned offsets, may be 0.
The data is owned by the #nestegg_packet packet.
@retval 0 Success.
@retval -1 Error.
*/
int nestegg_packet_offsets(nestegg_packet * packet,
uint32_t const ** partition_offsets,
uint8_t * num_offsets);
/** Returns reference_block given packet
@param packet Packet initialized by #nestegg_read_packet.
@param reference_block pointer to store reference block in.