X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Ffilmstripdec.c;h=3fa68424b7ecdd6f3aec09444b2e8b8e18b11745;hb=4f2d8968c04ef76bb18df103a1287b864c0e6fe6;hp=9af8e745d633336fdea40dcef6c46cf6d97e08e0;hpb=2912e87a6c9264d556734e2bf94a99c64cf9b102;p=ffmpeg diff --git a/libavformat/filmstripdec.c b/libavformat/filmstripdec.c index 9af8e745d63..3fa68424b7e 100644 --- a/libavformat/filmstripdec.c +++ b/libavformat/filmstripdec.c @@ -26,6 +26,7 @@ #include "libavutil/intreadwrite.h" #include "avformat.h" +#include "internal.h" #define RAND_TAG MKBETAG('R','a','n','d') @@ -33,14 +34,13 @@ typedef struct { int leading; } FilmstripDemuxContext; -static int read_header(AVFormatContext *s, - AVFormatParameters *ap) +static int read_header(AVFormatContext *s) { FilmstripDemuxContext *film = s->priv_data; AVIOContext *pb = s->pb; AVStream *st; - if (url_is_streamed(s->pb)) + if (!s->pb->seekable) return AVERROR(EIO); avio_seek(pb, avio_size(pb) - 36, SEEK_SET); @@ -49,25 +49,25 @@ static int read_header(AVFormatContext *s, return AVERROR_INVALIDDATA; } - st = av_new_stream(s, 0); + st = avformat_new_stream(s, NULL); if (!st) return AVERROR(ENOMEM); st->nb_frames = avio_rb32(pb); if (avio_rb16(pb) != 0) { - av_log_ask_for_sample(s, "unsupported packing method\n"); - return AVERROR_INVALIDDATA; + avpriv_request_sample(s, "Unsupported packing method"); + return AVERROR_PATCHWELCOME; } avio_skip(pb, 2); st->codec->codec_type = AVMEDIA_TYPE_VIDEO; - st->codec->codec_id = CODEC_ID_RAWVIDEO; - st->codec->pix_fmt = PIX_FMT_RGBA; + st->codec->codec_id = AV_CODEC_ID_RAWVIDEO; + st->codec->pix_fmt = AV_PIX_FMT_RGBA; st->codec->codec_tag = 0; /* no fourcc */ st->codec->width = avio_rb16(pb); st->codec->height = avio_rb16(pb); film->leading = avio_rb16(pb); - av_set_pts_info(st, 64, 1, avio_rb16(pb)); + avpriv_set_pts_info(st, 64, 1, avio_rb16(pb)); avio_seek(pb, 0, SEEK_SET); @@ -94,18 +94,17 @@ static int read_packet(AVFormatContext *s, static int read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags) { AVStream *st = s->streams[stream_index]; - avio_seek(s->pb, FFMAX(timestamp, 0) * st->codec->width * st->codec->height * 4, SEEK_SET); + if (avio_seek(s->pb, FFMAX(timestamp, 0) * st->codec->width * st->codec->height * 4, SEEK_SET) < 0) + return -1; return 0; } AVInputFormat ff_filmstrip_demuxer = { - "filmstrip", - NULL_IF_CONFIG_SMALL("Adobe Filmstrip"), - sizeof(FilmstripDemuxContext), - NULL, - read_header, - read_packet, - NULL, - read_seek, - .extensions = "flm", + .name = "filmstrip", + .long_name = NULL_IF_CONFIG_SMALL("Adobe Filmstrip"), + .priv_data_size = sizeof(FilmstripDemuxContext), + .read_header = read_header, + .read_packet = read_packet, + .read_seek = read_seek, + .extensions = "flm", };