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authorAnton Khirnov <anton@khirnov.net>2011-02-21 16:43:01 +0100
committerMichael Niedermayer <michaelni@gmx.at>2011-02-22 02:44:37 +0100
commite63a362857d9807b23e65872598d782fa53bb6af (patch)
tree7a21287e54bfbd2ec9c45bcb5a22e441e4992f2b /libavformat/mxfdec.c
parent6a786b15c34765ec00be3cd808dafbb041fd5881 (diff)
downloadffmpeg-e63a362857d9807b23e65872598d782fa53bb6af.tar.gz
avio: avio_ prefixes for get_* functions
In the name of consistency: get_byte -> avio_r8 get_<type> -> avio_r<type> get_buffer -> avio_read get_partial_buffer will be made private later get_strz is left out becase I want to change it later to return something useful. Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com> (cherry picked from commit b7effd4e8338f6ed5bda630ad7ed0809bf458648)
Diffstat (limited to 'libavformat/mxfdec.c')
-rw-r--r--libavformat/mxfdec.c122
1 files changed, 61 insertions, 61 deletions
diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 6246fca0aa..9f694e30ff 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -163,7 +163,7 @@ static const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x
static int64_t klv_decode_ber_length(AVIOContext *pb)
{
- uint64_t size = get_byte(pb);
+ uint64_t size = avio_r8(pb);
if (size & 0x80) { /* long form */
int bytes_num = size & 0x7f;
/* SMPTE 379M 5.3.4 guarantee that bytes_num must not exceed 8 bytes */
@@ -171,7 +171,7 @@ static int64_t klv_decode_ber_length(AVIOContext *pb)
return -1;
size = 0;
while (bytes_num--)
- size = size << 8 | get_byte(pb);
+ size = size << 8 | avio_r8(pb);
}
return size;
}
@@ -180,7 +180,7 @@ static int mxf_read_sync(AVIOContext *pb, const uint8_t *key, unsigned size)
{
int i, b;
for (i = 0; i < size && !url_feof(pb); i++) {
- b = get_byte(pb);
+ b = avio_r8(pb);
if (b == key[0])
i = 0;
else if (b != key[i])
@@ -195,7 +195,7 @@ static int klv_read_packet(KLVPacket *klv, AVIOContext *pb)
return -1;
klv->offset = url_ftell(pb) - 4;
memcpy(klv->key, mxf_klv_key, 4);
- get_buffer(pb, klv->key + 4, 12);
+ avio_read(pb, klv->key + 4, 12);
klv->length = klv_decode_ber_length(pb);
return klv->length == -1 ? -1 : 0;
}
@@ -224,7 +224,7 @@ static int mxf_get_d10_aes3_packet(AVIOContext *pb, AVStream *st, AVPacket *pkt,
if (length > 61444) /* worst case PAL 1920 samples 8 channels */
return -1;
av_new_packet(pkt, length);
- get_buffer(pb, pkt->data, length);
+ avio_read(pb, pkt->data, length);
data_ptr = pkt->data;
end_ptr = pkt->data + length;
buf_ptr = pkt->data + 4; /* skip SMPTE 331M header */
@@ -265,10 +265,10 @@ static int mxf_decrypt_triplet(AVFormatContext *s, AVPacket *pkt, KLVPacket *klv
url_fskip(pb, klv_decode_ber_length(pb));
// plaintext offset
klv_decode_ber_length(pb);
- plaintext_size = get_be64(pb);
+ plaintext_size = avio_rb64(pb);
// source klv key
klv_decode_ber_length(pb);
- get_buffer(pb, klv->key, 16);
+ avio_read(pb, klv->key, 16);
if (!IS_KLV_KEY(klv, mxf_essence_element_key))
return -1;
index = mxf_get_stream_index(s, klv);
@@ -276,15 +276,15 @@ static int mxf_decrypt_triplet(AVFormatContext *s, AVPacket *pkt, KLVPacket *klv
return -1;
// source size
klv_decode_ber_length(pb);
- orig_size = get_be64(pb);
+ orig_size = avio_rb64(pb);
if (orig_size < plaintext_size)
return -1;
// enc. code
size = klv_decode_ber_length(pb);
if (size < 32 || size - 32 < orig_size)
return -1;
- get_buffer(pb, ivec, 16);
- get_buffer(pb, tmpbuf, 16);
+ avio_read(pb, ivec, 16);
+ avio_read(pb, tmpbuf, 16);
if (mxf->aesc)
av_aes_crypt(mxf->aesc, tmpbuf, tmpbuf, 1, ivec, 1);
if (memcmp(tmpbuf, checkv, 16))
@@ -347,8 +347,8 @@ static int mxf_read_packet(AVFormatContext *s, AVPacket *pkt)
static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, UID uid)
{
MXFContext *mxf = arg;
- int item_num = get_be32(pb);
- int item_len = get_be32(pb);
+ int item_num = avio_rb32(pb);
+ int item_len = avio_rb32(pb);
if (item_len != 18) {
av_log(mxf->fc, AV_LOG_ERROR, "unsupported primer pack item length\n");
@@ -360,7 +360,7 @@ static int mxf_read_primer_pack(void *arg, AVIOContext *pb, int tag, int size, U
mxf->local_tags = av_malloc(item_num*item_len);
if (!mxf->local_tags)
return -1;
- get_buffer(pb, mxf->local_tags, item_num*item_len);
+ avio_read(pb, mxf->local_tags, item_num*item_len);
return 0;
}
@@ -382,7 +382,7 @@ static int mxf_read_cryptographic_context(void *arg, AVIOContext *pb, int tag, i
if (size != 16)
return -1;
if (IS_KLV_KEY(uid, mxf_crypto_source_container_ul))
- get_buffer(pb, cryptocontext->source_container_ul, 16);
+ avio_read(pb, cryptocontext->source_container_ul, 16);
return 0;
}
@@ -391,14 +391,14 @@ static int mxf_read_content_storage(void *arg, AVIOContext *pb, int tag, int siz
MXFContext *mxf = arg;
switch (tag) {
case 0x1901:
- mxf->packages_count = get_be32(pb);
+ mxf->packages_count = avio_rb32(pb);
if (mxf->packages_count >= UINT_MAX / sizeof(UID))
return -1;
mxf->packages_refs = av_malloc(mxf->packages_count * sizeof(UID));
if (!mxf->packages_refs)
return -1;
url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
- get_buffer(pb, (uint8_t *)mxf->packages_refs, mxf->packages_count * sizeof(UID));
+ avio_read(pb, (uint8_t *)mxf->packages_refs, mxf->packages_count * sizeof(UID));
break;
}
return 0;
@@ -409,18 +409,18 @@ static int mxf_read_source_clip(void *arg, AVIOContext *pb, int tag, int size, U
MXFStructuralComponent *source_clip = arg;
switch(tag) {
case 0x0202:
- source_clip->duration = get_be64(pb);
+ source_clip->duration = avio_rb64(pb);
break;
case 0x1201:
- source_clip->start_position = get_be64(pb);
+ source_clip->start_position = avio_rb64(pb);
break;
case 0x1101:
/* UMID, only get last 16 bytes */
url_fskip(pb, 16);
- get_buffer(pb, source_clip->source_package_uid, 16);
+ avio_read(pb, source_clip->source_package_uid, 16);
break;
case 0x1102:
- source_clip->source_track_id = get_be32(pb);
+ source_clip->source_track_id = avio_rb32(pb);
break;
}
return 0;
@@ -431,14 +431,14 @@ static int mxf_read_material_package(void *arg, AVIOContext *pb, int tag, int si
MXFPackage *package = arg;
switch(tag) {
case 0x4403:
- package->tracks_count = get_be32(pb);
+ package->tracks_count = avio_rb32(pb);
if (package->tracks_count >= UINT_MAX / sizeof(UID))
return -1;
package->tracks_refs = av_malloc(package->tracks_count * sizeof(UID));
if (!package->tracks_refs)
return -1;
url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
- get_buffer(pb, (uint8_t *)package->tracks_refs, package->tracks_count * sizeof(UID));
+ avio_read(pb, (uint8_t *)package->tracks_refs, package->tracks_count * sizeof(UID));
break;
}
return 0;
@@ -449,17 +449,17 @@ static int mxf_read_track(void *arg, AVIOContext *pb, int tag, int size, UID uid
MXFTrack *track = arg;
switch(tag) {
case 0x4801:
- track->track_id = get_be32(pb);
+ track->track_id = avio_rb32(pb);
break;
case 0x4804:
- get_buffer(pb, track->track_number, 4);
+ avio_read(pb, track->track_number, 4);
break;
case 0x4B01:
- track->edit_rate.den = get_be32(pb);
- track->edit_rate.num = get_be32(pb);
+ track->edit_rate.den = avio_rb32(pb);
+ track->edit_rate.num = avio_rb32(pb);
break;
case 0x4803:
- get_buffer(pb, track->sequence_ref, 16);
+ avio_read(pb, track->sequence_ref, 16);
break;
}
return 0;
@@ -470,20 +470,20 @@ static int mxf_read_sequence(void *arg, AVIOContext *pb, int tag, int size, UID
MXFSequence *sequence = arg;
switch(tag) {
case 0x0202:
- sequence->duration = get_be64(pb);
+ sequence->duration = avio_rb64(pb);
break;
case 0x0201:
- get_buffer(pb, sequence->data_definition_ul, 16);
+ avio_read(pb, sequence->data_definition_ul, 16);
break;
case 0x1001:
- sequence->structural_components_count = get_be32(pb);
+ sequence->structural_components_count = avio_rb32(pb);
if (sequence->structural_components_count >= UINT_MAX / sizeof(UID))
return -1;
sequence->structural_components_refs = av_malloc(sequence->structural_components_count * sizeof(UID));
if (!sequence->structural_components_refs)
return -1;
url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
- get_buffer(pb, (uint8_t *)sequence->structural_components_refs, sequence->structural_components_count * sizeof(UID));
+ avio_read(pb, (uint8_t *)sequence->structural_components_refs, sequence->structural_components_count * sizeof(UID));
break;
}
return 0;
@@ -494,22 +494,22 @@ static int mxf_read_source_package(void *arg, AVIOContext *pb, int tag, int size
MXFPackage *package = arg;
switch(tag) {
case 0x4403:
- package->tracks_count = get_be32(pb);
+ package->tracks_count = avio_rb32(pb);
if (package->tracks_count >= UINT_MAX / sizeof(UID))
return -1;
package->tracks_refs = av_malloc(package->tracks_count * sizeof(UID));
if (!package->tracks_refs)
return -1;
url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
- get_buffer(pb, (uint8_t *)package->tracks_refs, package->tracks_count * sizeof(UID));
+ avio_read(pb, (uint8_t *)package->tracks_refs, package->tracks_count * sizeof(UID));
break;
case 0x4401:
/* UMID, only get last 16 bytes */
url_fskip(pb, 16);
- get_buffer(pb, package->package_uid, 16);
+ avio_read(pb, package->package_uid, 16);
break;
case 0x4701:
- get_buffer(pb, package->descriptor_ref, 16);
+ avio_read(pb, package->descriptor_ref, 16);
break;
}
return 0;
@@ -518,12 +518,12 @@ static int mxf_read_source_package(void *arg, AVIOContext *pb, int tag, int size
static int mxf_read_index_table_segment(void *arg, AVIOContext *pb, int tag, int size, UID uid)
{
switch(tag) {
- case 0x3F05: av_dlog(NULL, "EditUnitByteCount %d\n", get_be32(pb)); break;
- case 0x3F06: av_dlog(NULL, "IndexSID %d\n", get_be32(pb)); break;
- case 0x3F07: av_dlog(NULL, "BodySID %d\n", get_be32(pb)); break;
- case 0x3F0B: av_dlog(NULL, "IndexEditRate %d/%d\n", get_be32(pb), get_be32(pb)); break;
- case 0x3F0C: av_dlog(NULL, "IndexStartPosition %lld\n", get_be64(pb)); break;
- case 0x3F0D: av_dlog(NULL, "IndexDuration %lld\n", get_be64(pb)); break;
+ case 0x3F05: av_dlog(NULL, "EditUnitByteCount %d\n", avio_rb32(pb)); break;
+ case 0x3F06: av_dlog(NULL, "IndexSID %d\n", avio_rb32(pb)); break;
+ case 0x3F07: av_dlog(NULL, "BodySID %d\n", avio_rb32(pb)); break;
+ case 0x3F0B: av_dlog(NULL, "IndexEditRate %d/%d\n", avio_rb32(pb), avio_rb32(pb)); break;
+ case 0x3F0C: av_dlog(NULL, "IndexStartPosition %lld\n", avio_rb64(pb)); break;
+ case 0x3F0D: av_dlog(NULL, "IndexDuration %lld\n", avio_rb64(pb)); break;
}
return 0;
}
@@ -534,8 +534,8 @@ static void mxf_read_pixel_layout(AVIOContext *pb, MXFDescriptor *descriptor)
char layout[16] = {0};
do {
- code = get_byte(pb);
- value = get_byte(pb);
+ code = avio_r8(pb);
+ value = avio_r8(pb);
av_dlog(NULL, "pixel layout: code %#x\n", code);
if (ofs < 16) {
@@ -552,46 +552,46 @@ static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int
MXFDescriptor *descriptor = arg;
switch(tag) {
case 0x3F01:
- descriptor->sub_descriptors_count = get_be32(pb);
+ descriptor->sub_descriptors_count = avio_rb32(pb);
if (descriptor->sub_descriptors_count >= UINT_MAX / sizeof(UID))
return -1;
descriptor->sub_descriptors_refs = av_malloc(descriptor->sub_descriptors_count * sizeof(UID));
if (!descriptor->sub_descriptors_refs)
return -1;
url_fskip(pb, 4); /* useless size of objects, always 16 according to specs */
- get_buffer(pb, (uint8_t *)descriptor->sub_descriptors_refs, descriptor->sub_descriptors_count * sizeof(UID));
+ avio_read(pb, (uint8_t *)descriptor->sub_descriptors_refs, descriptor->sub_descriptors_count * sizeof(UID));
break;
case 0x3004:
- get_buffer(pb, descriptor->essence_container_ul, 16);
+ avio_read(pb, descriptor->essence_container_ul, 16);
break;
case 0x3006:
- descriptor->linked_track_id = get_be32(pb);
+ descriptor->linked_track_id = avio_rb32(pb);
break;
case 0x3201: /* PictureEssenceCoding */
- get_buffer(pb, descriptor->essence_codec_ul, 16);
+ avio_read(pb, descriptor->essence_codec_ul, 16);
break;
case 0x3203:
- descriptor->width = get_be32(pb);
+ descriptor->width = avio_rb32(pb);
break;
case 0x3202:
- descriptor->height = get_be32(pb);
+ descriptor->height = avio_rb32(pb);
break;
case 0x320E:
- descriptor->aspect_ratio.num = get_be32(pb);
- descriptor->aspect_ratio.den = get_be32(pb);
+ descriptor->aspect_ratio.num = avio_rb32(pb);
+ descriptor->aspect_ratio.den = avio_rb32(pb);
break;
case 0x3D03:
- descriptor->sample_rate.num = get_be32(pb);
- descriptor->sample_rate.den = get_be32(pb);
+ descriptor->sample_rate.num = avio_rb32(pb);
+ descriptor->sample_rate.den = avio_rb32(pb);
break;
case 0x3D06: /* SoundEssenceCompression */
- get_buffer(pb, descriptor->essence_codec_ul, 16);
+ avio_read(pb, descriptor->essence_codec_ul, 16);
break;
case 0x3D07:
- descriptor->channels = get_be32(pb);
+ descriptor->channels = avio_rb32(pb);
break;
case 0x3D01:
- descriptor->bits_per_sample = get_be32(pb);
+ descriptor->bits_per_sample = avio_rb32(pb);
break;
case 0x3401:
mxf_read_pixel_layout(pb, descriptor);
@@ -603,7 +603,7 @@ static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int
if (!descriptor->extradata)
return -1;
descriptor->extradata_size = size;
- get_buffer(pb, descriptor->extradata, size);
+ avio_read(pb, descriptor->extradata, size);
}
break;
}
@@ -871,8 +871,8 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadF
if (!ctx)
return -1;
while (url_ftell(pb) + 4 < klv_end) {
- int tag = get_be16(pb);
- int size = get_be16(pb); /* KLV specified by 0x53 */
+ int tag = avio_rb16(pb);
+ int size = avio_rb16(pb); /* KLV specified by 0x53 */
uint64_t next = url_ftell(pb) + size;
UID uid = {0};
@@ -893,7 +893,7 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadF
}
}
if (ctx_size && tag == 0x3C0A)
- get_buffer(pb, ctx->uid, 16);
+ avio_read(pb, ctx->uid, 16);
else if (read_child(ctx, pb, tag, size, uid) < 0)
return -1;