diff --git a/libavformat/flacenc.c b/libavformat/flacenc.c index 87e93625f2..d2e274cf2f 100644 --- a/libavformat/flacenc.c +++ b/libavformat/flacenc.c @@ -19,6 +19,7 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include "libavutil/opt.h" #include "libavcodec/flac.h" #include "avformat.h" #include "avio_internal.h" @@ -27,6 +28,11 @@ #include "libavcodec/bytestream.h" +typedef struct FlacMuxerContext { + const AVClass *class; + int write_header; +} FlacMuxerContext; + static int flac_write_block_padding(AVIOContext *pb, unsigned int n_padding_bytes, int last_block) { @@ -66,6 +72,10 @@ static int flac_write_header(struct AVFormatContext *s) { int ret; AVCodecContext *codec = s->streams[0]->codec; + FlacMuxerContext *c = s->priv_data; + + if (!c->write_header) + return 0; if (s->nb_streams > 1) { av_log(s, AV_LOG_ERROR, "only one stream is supported\n"); @@ -100,6 +110,10 @@ static int flac_write_trailer(struct AVFormatContext *s) uint8_t *streaminfo; enum FLACExtradataFormat format; int64_t file_size; + FlacMuxerContext *c = s->priv_data; + + if (!c->write_header) + return 0; if (!avpriv_flac_is_extradata_valid(s->streams[0]->codec, &format, &streaminfo)) return -1; @@ -123,9 +137,22 @@ static int flac_write_packet(struct AVFormatContext *s, AVPacket *pkt) return 0; } +static const AVOption flacenc_options[] = { + { "write_header", "Write the file header", offsetof(FlacMuxerContext, write_header), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, AV_OPT_FLAG_ENCODING_PARAM }, + { NULL }, +}; + +static const AVClass flac_muxer_class = { + .class_name = "flac muxer", + .item_name = av_default_item_name, + .option = flacenc_options, + .version = LIBAVUTIL_VERSION_INT, +}; + AVOutputFormat ff_flac_muxer = { .name = "flac", .long_name = NULL_IF_CONFIG_SMALL("raw FLAC"), + .priv_data_size = sizeof(FlacMuxerContext), .mime_type = "audio/x-flac", .extensions = "flac", .audio_codec = AV_CODEC_ID_FLAC, @@ -134,4 +161,5 @@ AVOutputFormat ff_flac_muxer = { .write_packet = flac_write_packet, .write_trailer = flac_write_trailer, .flags = AVFMT_NOTIMESTAMPS, + .priv_class = &flac_muxer_class, }; diff --git a/libavformat/version.h b/libavformat/version.h index 2b110d433f..b45e24fdea 100644 --- a/libavformat/version.h +++ b/libavformat/version.h @@ -31,7 +31,7 @@ #define LIBAVFORMAT_VERSION_MAJOR 55 #define LIBAVFORMAT_VERSION_MINOR 22 -#define LIBAVFORMAT_VERSION_MICRO 102 +#define LIBAVFORMAT_VERSION_MICRO 103 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \ LIBAVFORMAT_VERSION_MINOR, \