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Code Issues Releases Activity

avformat/wavenc: w64 muxer supports only 1 stream

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This commit is contained in:
Paul B Mahol
2022-11-25 10:13:52 +01:00
parent 1ff9c07fa6
commit 2ad199ae31
1 changed files with 11 additions and 0 deletions
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11
libavformat/wavenc.c
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@@ -527,6 +527,16 @@ const AVOutputFormat ff_wav_muxer = {
#if CONFIG_W64_MUXER #if CONFIG_W64_MUXER
#include "w64.h" #include "w64.h"
static av_cold int w64_init(AVFormatContext *ctx)
{
if (ctx->nb_streams != 1) {
av_log(ctx, AV_LOG_ERROR, "This muxer only supports a single stream.\n");
return AVERROR(EINVAL);
}
return 0;
}
static void start_guid(AVIOContext *pb, const uint8_t *guid, int64_t *pos) static void start_guid(AVIOContext *pb, const uint8_t *guid, int64_t *pos)
{ {
*pos = avio_tell(pb); *pos = avio_tell(pb);
@@ -612,6 +622,7 @@ const AVOutputFormat ff_w64_muxer = {
.priv_data_size = sizeof(WAVMuxContext), .priv_data_size = sizeof(WAVMuxContext),
.audio_codec = AV_CODEC_ID_PCM_S16LE, .audio_codec = AV_CODEC_ID_PCM_S16LE,
.video_codec = AV_CODEC_ID_NONE, .video_codec = AV_CODEC_ID_NONE,
.init = w64_init,
.write_header = w64_write_header, .write_header = w64_write_header,
.write_packet = wav_write_packet, .write_packet = wav_write_packet,
.write_trailer = w64_write_trailer, .write_trailer = w64_write_trailer,