lavf: remove some flushing in write_packet muxers callbacks.

Since 4f112a8e, this is not necessary anymore. Also, it allows to
actually disable the flushing.

libavformat/adtsenc.c

@@ -158,7 +158,6 @@ static int adts_write_packet(AVFormatContext *s, AVPacket *pkt)
         }
     }
     avio_write(pb, pkt->data, pkt->size);
-    avio_flush(pb);
 
     return 0;
 }

libavformat/amr.c

@@ -56,7 +56,6 @@ static int amr_write_header(AVFormatContext *s)
 static int amr_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
     avio_write(s->pb, pkt->data, pkt->size);
-    avio_flush(s->pb);
     return 0;
 }
 #endif /* CONFIG_AMR_MUXER */

libavformat/assenc.c

@@ -58,9 +58,6 @@ static int write_header(AVFormatContext *s)
 static int write_packet(AVFormatContext *s, AVPacket *pkt)
 {
     avio_write(s->pb, pkt->data, pkt->size);
-
-    avio_flush(s->pb);
-
     return 0;
 }
 

libavformat/avienc.c

@@ -587,7 +587,6 @@ static int avi_write_packet(AVFormatContext *s, AVPacket *pkt)
     if (size & 1)
         avio_w8(pb, 0);
 
-    avio_flush(pb);
     return 0;
 }
 

libavformat/bit.c

@@ -139,7 +139,6 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
     init_get_bits(&gb, pkt->data, 8*10);
     for(i=0; i< 8 * 10; i++)
         avio_wl16(pb, get_bits1(&gb) ? BIT_1 : BIT_0);
-    avio_flush(pb);
 
     return 0;
 }

libavformat/daud.c

@@ -68,7 +68,6 @@ static int daud_write_packet(struct AVFormatContext *s, AVPacket *pkt)
     avio_wb16(s->pb, pkt->size);
     avio_wb16(s->pb, 0x8010); // unknown
     avio_write(s->pb, pkt->data, pkt->size);
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/dvenc.c

@@ -390,7 +390,6 @@ static int dv_write_packet(struct AVFormatContext *s, AVPacket *pkt)
                               pkt->data, pkt->size, &frame);
     if (fsize > 0) {
         avio_write(s->pb, frame, fsize);
-        avio_flush(s->pb);
     }
     return 0;
 }

libavformat/flacenc.c

@@ -122,7 +122,6 @@ static int flac_write_trailer(struct AVFormatContext *s)
 static int flac_write_packet(struct AVFormatContext *s, AVPacket *pkt)
 {
     avio_write(s->pb, pkt->data, pkt->size);
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/framecrcenc.c

@@ -46,7 +46,6 @@ static int framecrc_write_packet(struct AVFormatContext *s, AVPacket *pkt)
     }
     av_strlcatf(buf, sizeof(buf), "\n");
     avio_write(s->pb, buf, strlen(buf));
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/gif.c

@@ -329,7 +329,6 @@ static int gif_write_video(AVFormatContext *s, AVCodecContext *enc,
     gif_image_write_image(pb, 0, 0, enc->width, enc->height,
                           buf, enc->width * 3, AV_PIX_FMT_RGB24);
 
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/gxfenc.c

@@ -950,8 +950,6 @@ static int gxf_write_packet(AVFormatContext *s, AVPacket *pkt)
         gxf->packet_count = 0;
     }
 
-    avio_flush(pb);
-
     return 0;
 }
 

libavformat/icoenc.c

@@ -151,8 +151,6 @@ static int ico_write_packet(AVFormatContext *s, AVPacket *pkt)
             avio_w8(pb, 0x00); // Write bitmask (opaque)
     }
 
-    avio_flush(pb);
-
     return 0;
 }
 

libavformat/ilbc.c

@@ -56,7 +56,6 @@ static int ilbc_write_header(AVFormatContext *s)
 static int ilbc_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
     avio_write(s->pb, pkt->data, pkt->size);
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/ivfenc.c

@@ -53,7 +53,6 @@ static int ivf_write_packet(AVFormatContext *s, AVPacket *pkt)
     avio_wl32(pb, pkt->size);
     avio_wl64(pb, pkt->pts);
     avio_write(pb, pkt->data, pkt->size);
-    avio_flush(pb);
 
     return 0;
 }

libavformat/microdvdenc.c

@@ -52,7 +52,6 @@ static int microdvd_write_packet(AVFormatContext *avf, AVPacket *pkt)
         avio_printf(avf->pb, "{%"PRId64"}", pkt->pts + pkt->duration);
     avio_write(avf->pb, pkt->data, pkt->size);
     avio_write(avf->pb, "\n", 1);
-    avio_flush(avf->pb);
     return 0;
 }
 

libavformat/mkvtimestamp_v2.c

@@ -37,7 +37,6 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
         av_log(s, AV_LOG_WARNING, "More than one stream unsupported\n");
     snprintf(buf, sizeof(buf), "%" PRId64 "\n", pkt->dts);
     avio_write(s->pb, buf, strlen(buf));
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/mpjpeg.c

@@ -47,7 +47,6 @@ static int mpjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
 
     snprintf(buf1, sizeof(buf1), "\r\n--%s\r\n", BOUNDARY_TAG);
     avio_write(s->pb, buf1, strlen(buf1));
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/rawenc.c

@@ -26,7 +26,6 @@
 int ff_raw_write_packet(AVFormatContext *s, AVPacket *pkt)
 {
     avio_write(s->pb, pkt->data, pkt->size);
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/rmenc.c

@@ -374,7 +374,6 @@ static int rm_write_audio(AVFormatContext *s, const uint8_t *buf, int size, int
     } else {
         avio_write(pb, buf, size);
     }
-    avio_flush(pb);
     stream->nb_frames++;
     av_free(buf1);
     return 0;
@@ -419,7 +418,6 @@ static int rm_write_video(AVFormatContext *s, const uint8_t *buf, int size, int
     avio_w8(pb, stream->nb_frames & 0xff);
 
     avio_write(pb, buf, size);
-    avio_flush(pb);
 
     stream->nb_frames++;
     return 0;

libavformat/smjpegenc.c

@@ -109,7 +109,6 @@ static int smjpeg_write_packet(AVFormatContext *s, AVPacket *pkt)
     avio_wb32(pb, pkt->pts);
     avio_wb32(pb, pkt->size);
     avio_write(pb, pkt->data, pkt->size);
-    avio_flush(pb);
 
     smc->duration = FFMAX(smc->duration, pkt->pts + pkt->duration);
     return 0;

libavformat/spdifenc.c

@@ -538,7 +538,6 @@ static int spdif_write_packet(struct AVFormatContext *s, AVPacket *pkt)
     av_log(s, AV_LOG_DEBUG, "type=%x len=%i pkt_offset=%i\n",
            ctx->data_type, ctx->out_bytes, ctx->pkt_offset);
 
-    avio_flush(s->pb);
     return 0;
 }
 

libavformat/srtenc.c

@@ -98,7 +98,6 @@ static int srt_write_packet(AVFormatContext *avf, AVPacket *pkt)
     avio_write(avf->pb, pkt->data, pkt->size);
     if (write_ts)
         avio_write(avf->pb, "\n\n", 2);
-    avio_flush(avf->pb);
     srt->index++;
     return 0;
 }

libavformat/swfenc.c

@@ -441,8 +441,6 @@ static int swf_write_video(AVFormatContext *s,
     put_swf_tag(s, TAG_SHOWFRAME);
     put_swf_end_tag(s);
 
-    avio_flush(s->pb);
-
     return 0;
 }
 

libavformat/vc1testenc.c

@@ -63,7 +63,6 @@ static int vc1test_write_packet(AVFormatContext *s, AVPacket *pkt)
     avio_wl32(pb, pkt->size | ((pkt->flags & AV_PKT_FLAG_KEY) ? 0x80000000 : 0));
     avio_wl32(pb, pkt->pts);
     avio_write(pb, pkt->data, pkt->size);
-    avio_flush(pb);
     ctx->frames++;
 
     return 0;

libavformat/wtvenc.c

@@ -457,7 +457,6 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
     write_pad(pb, WTV_PAD8(pkt->size) - pkt->size);
 
     wctx->serial++;
-    avio_flush(pb);
     return 0;
 }
 

libavformat/wvenc.c

@@ -110,7 +110,6 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
         avio_write(pb, ptr, size - 24);
         ptr += size - 24; left -= size - 24;
     }
-    avio_flush(pb);
 
     return 0;
 }

libavformat/yuv4mpeg.c

@@ -232,7 +232,6 @@ static int yuv4_write_packet(AVFormatContext *s, AVPacket *pkt)
         }
     }
 
-    avio_flush(pb);
     return 0;
 }