diff options
author | Jacob Trimble <modmaker@google.com> | 2018-01-30 11:14:35 -0800 |
---|---|---|
committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-19 21:49:47 +0200 |
commit | baf9c0bd99d91ec501b020632ca72babc455139c (patch) | |
tree | 18cc9df4e18bf0734804cdf94361e11b2c3cbd09 | |
parent | 606c5c7f3ad1d289ef745b9053024ad318646c7e (diff) | |
download | ffmpeg-baf9c0bd99d91ec501b020632ca72babc455139c.tar.gz |
avformat/mov: Remove old encryption info methods.
Signed-off-by: Jacob Trimble <modmaker@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavformat/isom.h | 10 | ||||
-rw-r--r-- | libavformat/mov.c | 91 |
2 files changed, 0 insertions, 101 deletions
diff --git a/libavformat/isom.h b/libavformat/isom.h index eb942cf882..4245d37767 100644 --- a/libavformat/isom.h +++ b/libavformat/isom.h @@ -224,16 +224,6 @@ typedef struct MOVStreamContext { int has_sidx; // If there is an sidx entry for this stream. struct { - // TODO: Remove once old methods are removed from mov.c - int use_subsamples; - uint8_t* auxiliary_info; - uint8_t* auxiliary_info_end; - uint8_t* auxiliary_info_pos; - uint8_t auxiliary_info_default_size; - uint8_t* auxiliary_info_sizes; - size_t auxiliary_info_sizes_count; - int64_t auxiliary_info_index; - struct AVAESCTR* aes_ctr; unsigned int per_sample_iv_size; // Either 0, 8, or 16. AVEncryptionInfo *default_encrypted_sample; diff --git a/libavformat/mov.c b/libavformat/mov.c index 4eda48d617..45d8e1dce7 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -6009,67 +6009,6 @@ static int mov_read_tenc(MOVContext *c, AVIOContext *pb, MOVAtom atom) return 0; } -static int mov_read_saiz(MOVContext *c, AVIOContext *pb, MOVAtom atom) -{ - AVStream *st; - MOVStreamContext *sc; - size_t data_size; - int atom_header_size; - int flags; - - if (c->decryption_key_len == 0 || c->fc->nb_streams < 1) - return 0; - - st = c->fc->streams[c->fc->nb_streams - 1]; - sc = st->priv_data; - - if (sc->cenc.auxiliary_info_sizes || sc->cenc.auxiliary_info_default_size) { - av_log(c->fc, AV_LOG_ERROR, "duplicate saiz atom\n"); - return AVERROR_INVALIDDATA; - } - - atom_header_size = 9; - - avio_r8(pb); /* version */ - flags = avio_rb24(pb); - - if ((flags & 0x01) != 0) { - atom_header_size += 8; - - avio_rb32(pb); /* info type */ - avio_rb32(pb); /* info type param */ - } - - sc->cenc.auxiliary_info_default_size = avio_r8(pb); - avio_rb32(pb); /* entries */ - - if (atom.size <= atom_header_size) { - return 0; - } - - if (atom.size > FFMIN(INT_MAX, SIZE_MAX)) { - av_log(c->fc, AV_LOG_ERROR, "saiz atom auxiliary_info_sizes size %"PRId64" invalid\n", atom.size); - return AVERROR_INVALIDDATA; - } - - /* save the auxiliary info sizes as is */ - data_size = atom.size - atom_header_size; - - sc->cenc.auxiliary_info_sizes = av_malloc(data_size); - if (!sc->cenc.auxiliary_info_sizes) { - return AVERROR(ENOMEM); - } - - sc->cenc.auxiliary_info_sizes_count = data_size; - - if (avio_read(pb, sc->cenc.auxiliary_info_sizes, data_size) != data_size) { - av_log(c->fc, AV_LOG_ERROR, "failed to read the auxiliary info sizes"); - return AVERROR_INVALIDDATA; - } - - return 0; -} - static int mov_read_dfla(MOVContext *c, AVIOContext *pb, MOVAtom atom) { AVStream *st; @@ -6107,36 +6046,6 @@ static int mov_read_dfla(MOVContext *c, AVIOContext *pb, MOVAtom atom) return 0; } -static int mov_seek_auxiliary_info(MOVContext *c, MOVStreamContext *sc, int64_t index) -{ - size_t auxiliary_info_seek_offset = 0; - int i; - - if (sc->cenc.auxiliary_info_default_size) { - auxiliary_info_seek_offset = (size_t)sc->cenc.auxiliary_info_default_size * index; - } else if (sc->cenc.auxiliary_info_sizes) { - if (index > sc->cenc.auxiliary_info_sizes_count) { - av_log(c, AV_LOG_ERROR, "current sample %"PRId64" greater than the number of auxiliary info sample sizes %"SIZE_SPECIFIER"\n", - index, sc->cenc.auxiliary_info_sizes_count); - return AVERROR_INVALIDDATA; - } - - for (i = 0; i < index; i++) { - auxiliary_info_seek_offset += sc->cenc.auxiliary_info_sizes[i]; - } - } - - if (auxiliary_info_seek_offset > sc->cenc.auxiliary_info_end - sc->cenc.auxiliary_info) { - av_log(c, AV_LOG_ERROR, "auxiliary info offset %"SIZE_SPECIFIER" greater than auxiliary info size %"SIZE_SPECIFIER"\n", - auxiliary_info_seek_offset, (size_t)(sc->cenc.auxiliary_info_end - sc->cenc.auxiliary_info)); - return AVERROR_INVALIDDATA; - } - - sc->cenc.auxiliary_info_pos = sc->cenc.auxiliary_info + auxiliary_info_seek_offset; - sc->cenc.auxiliary_info_index = index; - return 0; -} - static int cenc_decrypt(MOVContext *c, MOVStreamContext *sc, AVEncryptionInfo *sample, uint8_t *input, int size) { int i, ret; |