align the audio decoding buffer, since some codecs write to it with simd

Originally committed as revision 14707 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago · 81b060faf9
parent 72745cff20
commit 81b060faf9
1 changed files with 5 additions and 2 deletions
--- a/ffmpeg.c
+++ b/ffmpeg.c
@ -1198,8 +1198,11 @@ static int output_packet(AVInputStream *ist, int ist_index,
        if (ist->decoding_needed) {
            switch(ist->st->codec->codec_type) {
            case CODEC_TYPE_AUDIO:{
-                if(pkt)
-                    samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
+                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
+                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
+                    av_free(samples);
+                    samples= av_malloc(samples_size);
+                }
                data_size= samples_size;
                    /* XXX: could avoid copy if PCM 16 bits with same
                       endianness as CPU */