From 4839c192de7782605e1b7c9cc84aaf692cf67284 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Mon, 14 Mar 2011 20:38:57 +0100 Subject: lavf: move ff_get_v from avio.h to avio_internal.h And rename it to ffio_read_varlen. Signed-off-by: Ronald S. Bultje --- libavformat/nutdec.c | 85 ++++++++++++++++++++++++++-------------------------- 1 file changed, 43 insertions(+), 42 deletions(-) (limited to 'libavformat/nutdec.c') diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c index f010ad1e4b..d9bb76904f 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -24,6 +24,7 @@ #include "libavutil/avstring.h" #include "libavutil/bswap.h" #include "libavutil/tree.h" +#include "avio_internal.h" #include "nut.h" #undef NDEBUG @@ -36,7 +37,7 @@ #endif static int get_str(AVIOContext *bc, char *string, unsigned int maxlen){ - unsigned int len= ff_get_v(bc); + unsigned int len= ffio_read_varlen(bc); if(len && maxlen) avio_read(bc, string, FFMIN(len, maxlen)); @@ -55,14 +56,14 @@ static int get_str(AVIOContext *bc, char *string, unsigned int maxlen){ } static int64_t get_s(AVIOContext *bc){ - int64_t v = ff_get_v(bc) + 1; + int64_t v = ffio_read_varlen(bc) + 1; if (v&1) return -(v>>1); else return (v>>1); } static uint64_t get_fourcc(AVIOContext *bc){ - unsigned int len= ff_get_v(bc); + unsigned int len= ffio_read_varlen(bc); if (len==2) return avio_rl16(bc); else if(len==4) return avio_rl32(bc); @@ -71,7 +72,7 @@ static uint64_t get_fourcc(AVIOContext *bc){ #ifdef TRACE static inline uint64_t get_v_trace(AVIOContext *bc, char *file, char *func, int line){ - uint64_t v= ff_get_v(bc); + uint64_t v= ffio_read_varlen(bc); av_log(NULL, AV_LOG_DEBUG, "get_v %5"PRId64" / %"PRIX64" in %s %s:%d\n", v, v, file, func, line); return v; @@ -90,7 +91,7 @@ static inline uint64_t get_vb_trace(AVIOContext *bc, char *file, char *func, int av_log(NULL, AV_LOG_DEBUG, "get_vb %5"PRId64" / %"PRIX64" in %s %s:%d\n", v, v, file, func, line); return v; } -#define ff_get_v(bc) get_v_trace(bc, __FILE__, __PRETTY_FUNCTION__, __LINE__) +#define ffio_read_varlen(bc) get_v_trace(bc, __FILE__, __PRETTY_FUNCTION__, __LINE__) #define get_s(bc) get_s_trace(bc, __FILE__, __PRETTY_FUNCTION__, __LINE__) #define get_vb(bc) get_vb_trace(bc, __FILE__, __PRETTY_FUNCTION__, __LINE__) #endif @@ -104,7 +105,7 @@ static int get_packetheader(NUTContext *nut, AVIOContext *bc, int calculate_chec startcode= ff_crc04C11DB7_update(0, (uint8_t*)&startcode, 8); init_checksum(bc, ff_crc04C11DB7_update, startcode); - size= ff_get_v(bc); + size= ffio_read_varlen(bc); if(size > 4096) avio_rb32(bc); if(get_checksum(bc) && size > 4096) @@ -168,7 +169,7 @@ static int nut_probe(AVProbeData *p){ } #define GET_V(dst, check) \ - tmp= ff_get_v(bc);\ + tmp= ffio_read_varlen(bc);\ if(!(check)){\ av_log(s, AV_LOG_ERROR, "Error " #dst " is (%"PRId64")\n", tmp);\ return -1;\ @@ -201,7 +202,7 @@ static int decode_main_header(NUTContext *nut){ GET_V(tmp , tmp >=2 && tmp <= 3) GET_V(stream_count , tmp > 0 && tmp <= NUT_MAX_STREAMS) - nut->max_distance = ff_get_v(bc); + nut->max_distance = ffio_read_varlen(bc); if(nut->max_distance > 65536){ av_log(s, AV_LOG_DEBUG, "max_distance %d\n", nut->max_distance); nut->max_distance= 65536; @@ -224,22 +225,22 @@ static int decode_main_header(NUTContext *nut){ tmp_match= 1-(1LL<<62); tmp_head_idx= 0; for(i=0; i<256;){ - int tmp_flags = ff_get_v(bc); - int tmp_fields= ff_get_v(bc); + int tmp_flags = ffio_read_varlen(bc); + int tmp_fields= ffio_read_varlen(bc); if(tmp_fields>0) tmp_pts = get_s(bc); - if(tmp_fields>1) tmp_mul = ff_get_v(bc); - if(tmp_fields>2) tmp_stream= ff_get_v(bc); - if(tmp_fields>3) tmp_size = ff_get_v(bc); + if(tmp_fields>1) tmp_mul = ffio_read_varlen(bc); + if(tmp_fields>2) tmp_stream= ffio_read_varlen(bc); + if(tmp_fields>3) tmp_size = ffio_read_varlen(bc); else tmp_size = 0; - if(tmp_fields>4) tmp_res = ff_get_v(bc); + if(tmp_fields>4) tmp_res = ffio_read_varlen(bc); else tmp_res = 0; - if(tmp_fields>5) count = ff_get_v(bc); + if(tmp_fields>5) count = ffio_read_varlen(bc); else count = tmp_mul - tmp_size; if(tmp_fields>6) tmp_match = get_s(bc); - if(tmp_fields>7) tmp_head_idx= ff_get_v(bc); + if(tmp_fields>7) tmp_head_idx= ffio_read_varlen(bc); while(tmp_fields-- > 8) - ff_get_v(bc); + ffio_read_varlen(bc); if(count == 0 || i+count > 256){ av_log(s, AV_LOG_ERROR, "illegal count %d at %d\n", count, i); @@ -315,7 +316,7 @@ static int decode_stream_header(NUTContext *nut){ if (!st) return AVERROR(ENOMEM); - class = ff_get_v(bc); + class = ffio_read_varlen(bc); tmp = get_fourcc(bc); st->codec->codec_tag= tmp; switch(class) @@ -347,10 +348,10 @@ static int decode_stream_header(NUTContext *nut){ GET_V(stc->time_base_id , tmp < nut->time_base_count); GET_V(stc->msb_pts_shift , tmp < 16); - stc->max_pts_distance= ff_get_v(bc); + stc->max_pts_distance= ffio_read_varlen(bc); GET_V(stc->decode_delay , tmp < 1000); //sanity limit, raise this if Moore's law is true st->codec->has_b_frames= stc->decode_delay; - ff_get_v(bc); //stream flags + ffio_read_varlen(bc); //stream flags GET_V(st->codec->extradata_size, tmp < (1<<30)); if(st->codec->extradata_size){ @@ -361,16 +362,16 @@ static int decode_stream_header(NUTContext *nut){ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO){ GET_V(st->codec->width , tmp > 0) GET_V(st->codec->height, tmp > 0) - st->sample_aspect_ratio.num= ff_get_v(bc); - st->sample_aspect_ratio.den= ff_get_v(bc); + st->sample_aspect_ratio.num= ffio_read_varlen(bc); + st->sample_aspect_ratio.den= ffio_read_varlen(bc); if((!st->sample_aspect_ratio.num) != (!st->sample_aspect_ratio.den)){ av_log(s, AV_LOG_ERROR, "invalid aspect ratio %d/%d\n", st->sample_aspect_ratio.num, st->sample_aspect_ratio.den); return -1; } - ff_get_v(bc); /* csp type */ + ffio_read_varlen(bc); /* csp type */ }else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO){ GET_V(st->codec->sample_rate , tmp > 0) - ff_get_v(bc); // samplerate_den + ffio_read_varlen(bc); // samplerate_den GET_V(st->codec->channels, tmp > 0) } if(skip_reserved(bc, end) || get_checksum(bc)){ @@ -413,9 +414,9 @@ static int decode_info_header(NUTContext *nut){ GET_V(stream_id_plus1, tmp <= s->nb_streams) chapter_id = get_s(bc); - chapter_start= ff_get_v(bc); - chapter_len = ff_get_v(bc); - count = ff_get_v(bc); + chapter_start= ffio_read_varlen(bc); + chapter_len = ffio_read_varlen(bc); + count = ffio_read_varlen(bc); if(chapter_id && !stream_id_plus1){ int64_t start= chapter_start / nut->time_base_count; @@ -444,7 +445,7 @@ static int decode_info_header(NUTContext *nut){ value= get_s(bc); }else if(value == -4){ type= "t"; - value= ff_get_v(bc); + value= ffio_read_varlen(bc); }else if(value < -4){ type= "r"; get_s(bc); @@ -485,8 +486,8 @@ static int decode_syncpoint(NUTContext *nut, int64_t *ts, int64_t *back_ptr){ end= get_packetheader(nut, bc, 1, SYNCPOINT_STARTCODE); end += avio_tell(bc); - tmp= ff_get_v(bc); - *back_ptr= nut->last_syncpoint_pos - 16*ff_get_v(bc); + tmp= ffio_read_varlen(bc); + *back_ptr= nut->last_syncpoint_pos - 16*ffio_read_varlen(bc); if(*back_ptr < 0) return -1; @@ -523,12 +524,12 @@ static int find_and_decode_index(NUTContext *nut){ end= get_packetheader(nut, bc, 1, INDEX_STARTCODE); end += avio_tell(bc); - ff_get_v(bc); //max_pts + ffio_read_varlen(bc); //max_pts GET_V(syncpoint_count, tmp < INT_MAX/8 && tmp > 0) syncpoints= av_malloc(sizeof(int64_t)*syncpoint_count); has_keyframe= av_malloc(sizeof(int8_t)*(syncpoint_count+1)); for(i=0; inb_streams; i++){ int64_t last_pts= -1; for(j=0; j>=1; @@ -569,10 +570,10 @@ static int find_and_decode_index(NUTContext *nut){ assert(n<=syncpoint_count+1); for(; jnb_streams) } stc= &nut->stream[*stream_id]; if(flags&FLAG_CODED_PTS){ - int coded_pts= ff_get_v(bc); + int coded_pts= ffio_read_varlen(bc); //FIXME check last_pts validity? if(coded_pts < (1<msb_pts_shift)){ *pts=ff_lsb2full(stc, coded_pts); @@ -702,16 +703,16 @@ static int decode_frame_header(NUTContext *nut, int64_t *pts, int *stream_id, ui }else *pts= stc->last_pts + pts_delta; if(flags&FLAG_SIZE_MSB){ - size += size_mul*ff_get_v(bc); + size += size_mul*ffio_read_varlen(bc); } if(flags&FLAG_MATCH_TIME) get_s(bc); if(flags&FLAG_HEADER_IDX) - *header_idx= ff_get_v(bc); + *header_idx= ffio_read_varlen(bc); if(flags&FLAG_RESERVED) - reserved_count= ff_get_v(bc); + reserved_count= ffio_read_varlen(bc); for(i=0; i= (unsigned)nut->header_count){ av_log(s, AV_LOG_ERROR, "header_idx invalid\n"); -- cgit v1.2.3