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 b7effd4)

libavformat/4xm.c

@@ -54,11 +54,11 @@
 #define strk_SIZE 0x28
 
 #define GET_LIST_HEADER() \
-    fourcc_tag = get_le32(pb); \
-    size = get_le32(pb); \
+    fourcc_tag = avio_rl32(pb); \
+    size = avio_rl32(pb); \
     if (fourcc_tag != LIST_TAG) \
         return AVERROR_INVALIDDATA; \
-    fourcc_tag = get_le32(pb);
+    fourcc_tag = avio_rl32(pb);
 
 typedef struct AudioTrack {
     int sample_rate;
@@ -118,7 +118,7 @@ static int fourxm_read_header(AVFormatContext *s,
     header = av_malloc(header_size);
     if (!header)
         return AVERROR(ENOMEM);
-    if (get_buffer(pb, header, header_size) != header_size){
+    if (avio_read(pb, header, header_size) != header_size){
         av_free(header);
         return AVERROR(EIO);
     }
@@ -255,7 +255,7 @@ static int fourxm_read_packet(AVFormatContext *s,
 
     while (!packet_read) {
 
-        if ((ret = get_buffer(s->pb, header, 8)) < 0)
+        if ((ret = avio_read(s->pb, header, 8)) < 0)
             return ret;
         fourcc_tag = AV_RL32(&header[0]);
         size = AV_RL32(&header[4]);
@@ -268,7 +268,7 @@ static int fourxm_read_packet(AVFormatContext *s,
             fourxm->video_pts ++;
 
             /* skip the LIST-* tag and move on to the next fourcc */
-            get_le32(pb);
+            avio_rl32(pb);
             break;
 
         case ifrm_TAG:
@@ -285,7 +285,7 @@ static int fourxm_read_packet(AVFormatContext *s,
             pkt->pts = fourxm->video_pts;
             pkt->pos = url_ftell(s->pb);
             memcpy(pkt->data, header, 8);
-            ret = get_buffer(s->pb, &pkt->data[8], size);
+            ret = avio_read(s->pb, &pkt->data[8], size);
 
             if (ret < 0){
                 av_free_packet(pkt);
@@ -294,8 +294,8 @@ static int fourxm_read_packet(AVFormatContext *s,
             break;
 
         case snd__TAG:
-            track_number = get_le32(pb);
-            out_size= get_le32(pb);
+            track_number = avio_rl32(pb);
+            out_size= avio_rl32(pb);
             size-=8;
 
             if (track_number < fourxm->track_count && fourxm->tracks[track_number].channels>0) {

libavformat/aea.c

@@ -63,7 +63,7 @@ static int aea_read_header(AVFormatContext *s,
 
     /* Parse the amount of channels and skip to pos 2048(0x800) */
     url_fskip(s->pb, 264);
-    st->codec->channels = get_byte(s->pb);
+    st->codec->channels = avio_r8(s->pb);
     url_fskip(s->pb, 1783);
 
 

libavformat/aiffdec.c

@@ -54,8 +54,8 @@ static int get_tag(AVIOContext *pb, uint32_t * tag)
     if (url_feof(pb))
         return AVERROR(EIO);
 
-    *tag = get_le32(pb);
-    size = get_be32(pb);
+    *tag = avio_rl32(pb);
+    size = avio_rb32(pb);
 
     if (size < 0)
         size = 0x7fffffff;
@@ -74,7 +74,7 @@ static void get_meta(AVFormatContext *s, const char *key, int size)
         return;
     }
 
-    res = get_buffer(s->pb, str, size);
+    res = avio_read(s->pb, str, size);
     if (res < 0)
         return;
 
@@ -93,18 +93,18 @@ static unsigned int get_aiff_header(AVIOContext *pb, AVCodecContext *codec,
     if (size & 1)
         size++;
     codec->codec_type = AVMEDIA_TYPE_AUDIO;
-    codec->channels = get_be16(pb);
-    num_frames = get_be32(pb);
-    codec->bits_per_coded_sample = get_be16(pb);
+    codec->channels = avio_rb16(pb);
+    num_frames = avio_rb32(pb);
+    codec->bits_per_coded_sample = avio_rb16(pb);
 
-    get_buffer(pb, (uint8_t*)&ext, sizeof(ext));/* Sample rate is in */
+    avio_read(pb, (uint8_t*)&ext, sizeof(ext));/* Sample rate is in */
     sample_rate = av_ext2dbl(ext);          /* 80 bits BE IEEE extended float */
     codec->sample_rate = sample_rate;
     size -= 18;
 
     /* Got an AIFF-C? */
     if (version == AIFF_C_VERSION1) {
-        codec->codec_tag = get_le32(pb);
+        codec->codec_tag = avio_rl32(pb);
         codec->codec_id  = ff_codec_get_id(ff_codec_aiff_tags, codec->codec_tag);
 
         switch (codec->codec_id) {
@@ -187,7 +187,7 @@ static int aiff_read_header(AVFormatContext *s,
         return AVERROR_INVALIDDATA;
 
     /* AIFF data type */
-    tag = get_le32(pb);
+    tag = avio_rl32(pb);
     if (tag == MKTAG('A', 'I', 'F', 'F'))       /* Got an AIFF file */
         version = AIFF;
     else if (tag != MKTAG('A', 'I', 'F', 'C'))  /* An AIFF-C file then */
@@ -217,7 +217,7 @@ static int aiff_read_header(AVFormatContext *s,
                 goto got_sound;
             break;
         case MKTAG('F', 'V', 'E', 'R'):     /* Version chunk */
-            version = get_be32(pb);
+            version = avio_rb32(pb);
             break;
         case MKTAG('N', 'A', 'M', 'E'):     /* Sample name chunk */
             get_meta(s, "title"    , size);
@@ -233,8 +233,8 @@ static int aiff_read_header(AVFormatContext *s,
             break;
         case MKTAG('S', 'S', 'N', 'D'):     /* Sampled sound chunk */
             aiff->data_end = url_ftell(pb) + size;
-            offset = get_be32(pb);      /* Offset of sound data */
-            get_be32(pb);               /* BlockSize... don't care */
+            offset = avio_rb32(pb);      /* Offset of sound data */
+            avio_rb32(pb);               /* BlockSize... don't care */
             offset += url_ftell(pb);    /* Compute absolute data offset */
             if (st->codec->block_align)    /* Assume COMM already parsed */
                 goto got_sound;
@@ -251,7 +251,7 @@ static int aiff_read_header(AVFormatContext *s,
             if (!st->codec->extradata)
                 return AVERROR(ENOMEM);
             st->codec->extradata_size = size;
-            get_buffer(pb, st->codec->extradata, size);
+            avio_read(pb, st->codec->extradata, size);
             break;
         default: /* Jump */
             if (size & 1)   /* Always even aligned */

libavformat/amr.c

@@ -82,7 +82,7 @@ static int amr_read_header(AVFormatContext *s,
     AVStream *st;
     uint8_t header[9];
 
-    get_buffer(pb, header, 6);
+    avio_read(pb, header, 6);
 
     st = av_new_stream(s, 0);
     if (!st)
@@ -91,7 +91,7 @@ static int amr_read_header(AVFormatContext *s,
     }
     if(memcmp(header,AMR_header,6)!=0)
     {
-        get_buffer(pb, header+6, 3);
+        avio_read(pb, header+6, 3);
         if(memcmp(header,AMRWB_header,9)!=0)
         {
             return -1;
@@ -128,7 +128,7 @@ static int amr_read_packet(AVFormatContext *s,
     }
 
 //FIXME this is wrong, this should rather be in a AVParset
-    toc=get_byte(s->pb);
+    toc=avio_r8(s->pb);
     mode = (toc >> 3) & 0x0F;
 
     if (enc->codec_id == CODEC_ID_AMR_NB)
@@ -157,7 +157,7 @@ static int amr_read_packet(AVFormatContext *s,
     pkt->pos= url_ftell(s->pb);
     pkt->data[0]=toc;
     pkt->duration= enc->codec_id == CODEC_ID_AMR_NB ? 160 : 320;
-    read = get_buffer(s->pb, pkt->data+1, size-1);
+    read = avio_read(s->pb, pkt->data+1, size-1);
 
     if (read != size-1)
     {

libavformat/anm.c

@@ -84,16 +84,16 @@ static int read_header(AVFormatContext *s,
     int i, ret;
 
     url_fskip(pb, 4); /* magic number */
-    if (get_le16(pb) != MAX_PAGES) {
+    if (avio_rl16(pb) != MAX_PAGES) {
         av_log_ask_for_sample(s, "max_pages != " AV_STRINGIFY(MAX_PAGES) "\n");
         return AVERROR_INVALIDDATA;
     }
 
-    anm->nb_pages   = get_le16(pb);
-    anm->nb_records = get_le32(pb);
+    anm->nb_pages   = avio_rl16(pb);
+    anm->nb_records = avio_rl32(pb);
     url_fskip(pb, 2); /* max records per page */
-    anm->page_table_offset = get_le16(pb);
-    if (get_le32(pb) != ANIM_TAG)
+    anm->page_table_offset = avio_rl16(pb);
+    if (avio_rl32(pb) != ANIM_TAG)
         return AVERROR_INVALIDDATA;
 
     /* video stream */
@@ -103,32 +103,32 @@ static int read_header(AVFormatContext *s,
     st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
     st->codec->codec_id   = CODEC_ID_ANM;
     st->codec->codec_tag  = 0; /* no fourcc */
-    st->codec->width      = get_le16(pb);
-    st->codec->height     = get_le16(pb);
-    if (get_byte(pb) != 0)
+    st->codec->width      = avio_rl16(pb);
+    st->codec->height     = avio_rl16(pb);
+    if (avio_r8(pb) != 0)
         goto invalid;
     url_fskip(pb, 1); /* frame rate multiplier info */
 
     /* ignore last delta record (used for looping) */
-    if (get_byte(pb))  /* has_last_delta */
+    if (avio_r8(pb))  /* has_last_delta */
         anm->nb_records = FFMAX(anm->nb_records - 1, 0);
 
     url_fskip(pb, 1); /* last_delta_valid */
 
-    if (get_byte(pb) != 0)
+    if (avio_r8(pb) != 0)
         goto invalid;
 
-    if (get_byte(pb) != 1)
+    if (avio_r8(pb) != 1)
         goto invalid;
 
     url_fskip(pb, 1); /* other recs per frame */
 
-    if (get_byte(pb) != 1)
+    if (avio_r8(pb) != 1)
         goto invalid;
 
     url_fskip(pb, 32); /* record_types */
-    st->nb_frames = get_le32(pb);
-    av_set_pts_info(st, 64, 1, get_le16(pb));
+    st->nb_frames = avio_rl32(pb);
+    av_set_pts_info(st, 64, 1, avio_rl16(pb));
     url_fskip(pb, 58);
 
     /* color cycling and palette data */
@@ -138,7 +138,7 @@ static int read_header(AVFormatContext *s,
         ret = AVERROR(ENOMEM);
         goto close_and_return;
     }
-    ret = get_buffer(pb, st->codec->extradata, st->codec->extradata_size);
+    ret = avio_read(pb, st->codec->extradata, st->codec->extradata_size);
     if (ret < 0)
         goto close_and_return;
 
@@ -149,9 +149,9 @@ static int read_header(AVFormatContext *s,
 
     for (i = 0; i < MAX_PAGES; i++) {
         Page *p = &anm->pt[i];
-        p->base_record = get_le16(pb);
-        p->nb_records  = get_le16(pb);
-        p->size        = get_le16(pb);
+        p->base_record = avio_rl16(pb);
+        p->nb_records  = avio_rl16(pb);
+        p->size        = avio_rl16(pb);
     }
 
     /* find page of first frame */
@@ -211,7 +211,7 @@ static int read_packet(AVFormatContext *s,
     tmp = url_ftell(pb);
     url_fseek(pb, anm->page_table_offset + MAX_PAGES*6 + (anm->page<<16) +
               8 + anm->record * 2, SEEK_SET);
-    record_size = get_le16(pb);
+    record_size = avio_rl16(pb);
     url_fseek(pb, tmp, SEEK_SET);
 
     /* fetch record */

libavformat/apc.c

@@ -35,9 +35,9 @@ static int apc_read_header(AVFormatContext *s, AVFormatParameters *ap)
     AVIOContext *pb = s->pb;
     AVStream *st;
 
-    get_le32(pb); /* CRYO */
-    get_le32(pb); /* _APC */
-    get_le32(pb); /* 1.20 */
+    avio_rl32(pb); /* CRYO */
+    avio_rl32(pb); /* _APC */
+    avio_rl32(pb); /* 1.20 */
 
     st = av_new_stream(s, 0);
     if (!st)
@@ -46,8 +46,8 @@ static int apc_read_header(AVFormatContext *s, AVFormatParameters *ap)
     st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
     st->codec->codec_id = CODEC_ID_ADPCM_IMA_WS;
 
-    get_le32(pb); /* number of samples */
-    st->codec->sample_rate = get_le32(pb);
+    avio_rl32(pb); /* number of samples */
+    st->codec->sample_rate = avio_rl32(pb);
 
     st->codec->extradata_size = 2 * 4;
     st->codec->extradata = av_malloc(st->codec->extradata_size +
@@ -56,10 +56,10 @@ static int apc_read_header(AVFormatContext *s, AVFormatParameters *ap)
         return AVERROR(ENOMEM);
 
     /* initial predictor values for adpcm decoder */
-    get_buffer(pb, st->codec->extradata, 2 * 4);
+    avio_read(pb, st->codec->extradata, 2 * 4);
 
     st->codec->channels = 1;
-    if (get_le32(pb))
+    if (avio_rl32(pb))
         st->codec->channels = 2;
 
     st->codec->bits_per_coded_sample = 4;