diff options
Diffstat (limited to 'contrib/ffmpeg/libavformat/gxf.c')
-rw-r--r-- | contrib/ffmpeg/libavformat/gxf.c | 50 |
1 files changed, 11 insertions, 39 deletions
diff --git a/contrib/ffmpeg/libavformat/gxf.c b/contrib/ffmpeg/libavformat/gxf.c index ba2463ead..d4bf6f43b 100644 --- a/contrib/ffmpeg/libavformat/gxf.c +++ b/contrib/ffmpeg/libavformat/gxf.c @@ -20,33 +20,7 @@ */ #include "avformat.h" #include "common.h" - -typedef enum { - PKT_MAP = 0xbc, - PKT_MEDIA = 0xbf, - PKT_EOS = 0xfb, - PKT_FLT = 0xfc, - PKT_UMF = 0xfd -} pkt_type_t; - -typedef enum { - MAT_NAME = 0x40, - MAT_FIRST_FIELD = 0x41, - MAT_LAST_FIELD = 0x42, - MAT_MARK_IN = 0x43, - MAT_MARK_OUT = 0x44, - MAT_SIZE = 0x45 -} mat_tag_t; - -typedef enum { - TRACK_NAME = 0x4c, - TRACK_AUX = 0x4d, - TRACK_VER = 0x4e, - TRACK_MPG_AUX = 0x4f, - TRACK_FPS = 0x50, - TRACK_LINES = 0x51, - TRACK_FPF = 0x52 -} track_tag_t; +#include "gxf.h" typedef struct { int64_t first_field; @@ -87,8 +61,6 @@ static int parse_packet_header(ByteIOContext *pb, pkt_type_t *type, int *length) static int gxf_probe(AVProbeData *p) { static const uint8_t startcode[] = {0, 0, 0, 0, 1, 0xbc}; // start with map packet static const uint8_t endcode[] = {0, 0, 0, 0, 0xe1, 0xe2}; - if (p->buf_size < 16) - return 0; if (!memcmp(p->buf, startcode, sizeof(startcode)) && !memcmp(&p->buf[16 - sizeof(endcode)], endcode, sizeof(endcode))) return AVPROBE_SCORE_MAX; @@ -130,13 +102,13 @@ static int get_sindex(AVFormatContext *s, int id, int format) { case 20: st->codec->codec_type = CODEC_TYPE_VIDEO; st->codec->codec_id = CODEC_ID_MPEG2VIDEO; - st->need_parsing = 2; // get keyframe flag etc. + st->need_parsing = AVSTREAM_PARSE_HEADERS; //get keyframe flag etc. break; case 22: case 23: st->codec->codec_type = CODEC_TYPE_VIDEO; st->codec->codec_id = CODEC_ID_MPEG1VIDEO; - st->need_parsing = 2; // get keyframe flag etc. + st->need_parsing = AVSTREAM_PARSE_HEADERS; //get keyframe flag etc. break; case 9: st->codec->codec_type = CODEC_TYPE_AUDIO; @@ -179,7 +151,7 @@ static int get_sindex(AVFormatContext *s, int id, int format) { /** * \brief filters out interesting tags from material information. - * \param len lenght of tag section, will be adjusted to contain remaining bytes + * \param len length of tag section, will be adjusted to contain remaining bytes * \param si struct to store collected information into */ static void gxf_material_tags(ByteIOContext *pb, int *len, st_info_t *si) { @@ -256,7 +228,7 @@ static void gxf_track_tags(ByteIOContext *pb, int *len, st_info_t *si) { * \brief read index from FLT packet into stream 0 av_index */ static void gxf_read_index(AVFormatContext *s, int pkt_len) { - ByteIOContext *pb = &s->pb; + ByteIOContext *pb = s->pb; AVStream *st = s->streams[0]; uint32_t fields_per_map = get_le32(pb); uint32_t map_cnt = get_le32(pb); @@ -280,7 +252,7 @@ static void gxf_read_index(AVFormatContext *s, int pkt_len) { } static int gxf_header(AVFormatContext *s, AVFormatParameters *ap) { - ByteIOContext *pb = &s->pb; + ByteIOContext *pb = s->pb; pkt_type_t pkt_type; int map_len; int len; @@ -406,7 +378,7 @@ static int64_t gxf_resync_media(AVFormatContext *s, uint64_t max_interval, int t int cur_track; int64_t cur_timestamp = AV_NOPTS_VALUE; int len; - ByteIOContext *pb = &s->pb; + ByteIOContext *pb = s->pb; pkt_type_t type; tmp = get_be32(pb); start: @@ -436,7 +408,7 @@ out: } static int gxf_packet(AVFormatContext *s, AVPacket *pkt) { - ByteIOContext *pb = &s->pb; + ByteIOContext *pb = s->pb; pkt_type_t pkt_type; int pkt_len; while (!url_feof(pb)) { @@ -475,7 +447,7 @@ static int gxf_packet(AVFormatContext *s, AVPacket *pkt) { pkt->dts = field_nr; return ret; } - return AVERROR_IO; + return AVERROR(EIO); } static int gxf_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) { @@ -494,7 +466,7 @@ static int gxf_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int if (idx < st->nb_index_entries - 2) maxlen = st->index_entries[idx + 2].pos - pos; maxlen = FFMAX(maxlen, 200 * 1024); - url_fseek(&s->pb, pos, SEEK_SET); + url_fseek(s->pb, pos, SEEK_SET); found = gxf_resync_media(s, maxlen, -1, timestamp); if (FFABS(found - timestamp) > 4) return -1; @@ -503,7 +475,7 @@ static int gxf_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int static int64_t gxf_read_timestamp(AVFormatContext *s, int stream_index, int64_t *pos, int64_t pos_limit) { - ByteIOContext *pb = &s->pb; + ByteIOContext *pb = s->pb; int64_t res; url_fseek(pb, *pos, SEEK_SET); res = gxf_resync_media(s, pos_limit - *pos, -1, -1); |