diff options
Diffstat (limited to 'ffmpeg/libavformat/wvenc.c')
| -rw-r--r-- | ffmpeg/libavformat/wvenc.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/ffmpeg/libavformat/wvenc.c b/ffmpeg/libavformat/wvenc.c deleted file mode 100644 index b0d74ca..0000000 --- a/ffmpeg/libavformat/wvenc.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * WavPack muxer - * Copyright (c) 2013 Konstantin Shishkov <kostya.shishkov@gmail.com> - * Copyright (c) 2012 Paul B Mahol - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" - -#include "apetag.h" -#include "avformat.h" -#include "wv.h" - -typedef struct WvMuxContext { - int64_t samples; -} WvMuxContext; - -static av_cold int wv_write_header(AVFormatContext *ctx) -{ - if (ctx->nb_streams > 1 || - ctx->streams[0]->codec->codec_id != AV_CODEC_ID_WAVPACK) { - av_log(ctx, AV_LOG_ERROR, "This muxer only supports a single WavPack stream.\n"); - return AVERROR(EINVAL); - } - - return 0; -} - -static int wv_write_packet(AVFormatContext *ctx, AVPacket *pkt) -{ - WvMuxContext *s = ctx->priv_data; - WvHeader header; - int ret; - - if (pkt->size < WV_HEADER_SIZE || - (ret = ff_wv_parse_header(&header, pkt->data)) < 0) { - av_log(ctx, AV_LOG_ERROR, "Invalid WavPack packet.\n"); - return AVERROR(EINVAL); - } - s->samples += header.samples; - - avio_write(ctx->pb, pkt->data, pkt->size); - - return 0; -} - -static av_cold int wv_write_trailer(AVFormatContext *ctx) -{ - WvMuxContext *s = ctx->priv_data; - - /* update total number of samples in the first block */ - if (ctx->pb->seekable && s->samples && - s->samples < UINT32_MAX) { - int64_t pos = avio_tell(ctx->pb); - avio_seek(ctx->pb, 12, SEEK_SET); - avio_wl32(ctx->pb, s->samples); - avio_seek(ctx->pb, pos, SEEK_SET); - } - - ff_ape_write_tag(ctx); - return 0; -} - -AVOutputFormat ff_wv_muxer = { - .name = "wv", - .long_name = NULL_IF_CONFIG_SMALL("raw WavPack"), - .mime_type = "audio/x-wavpack", - .extensions = "wv", - .priv_data_size = sizeof(WvMuxContext), - .audio_codec = AV_CODEC_ID_WAVPACK, - .video_codec = AV_CODEC_ID_NONE, - .write_header = wv_write_header, - .write_packet = wv_write_packet, - .write_trailer = wv_write_trailer, - .flags = AVFMT_NOTIMESTAMPS, -}; |
