]> git.sesse.net Git - ffmpeg/blobdiff - avconv.c
configure: Remove the mpegvideo dependency from svq1
[ffmpeg] / avconv.c
index 0114f4f21f25853612743dfebc8357c360458bb9..1a18ad336d14b04d0cf0e61648341c8ab4c099c0 100644 (file)
--- a/avconv.c
+++ b/avconv.c
@@ -32,7 +32,7 @@
 #include "libswscale/swscale.h"
 #include "libavresample/avresample.h"
 #include "libavutil/opt.h"
-#include "libavutil/audioconvert.h"
+#include "libavutil/channel_layout.h"
 #include "libavutil/parseutils.h"
 #include "libavutil/samplefmt.h"
 #include "libavutil/colorspace.h"
@@ -53,6 +53,7 @@
 # include "libavfilter/buffersink.h"
 
 #if HAVE_SYS_RESOURCE_H
+#include <sys/time.h>
 #include <sys/types.h>
 #include <sys/resource.h>
 #elif HAVE_GETPROCESSTIMES
@@ -143,7 +144,7 @@ static int decode_interrupt_cb(void *ctx)
 
 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
 
-void exit_program(int ret)
+static void exit_program(void)
 {
     int i, j;
 
@@ -180,11 +181,11 @@ void exit_program(int ret)
             bsfc = next;
         }
         output_streams[i]->bitstream_filters = NULL;
+        avcodec_free_frame(&output_streams[i]->filtered_frame);
 
         av_freep(&output_streams[i]->forced_keyframes);
         av_freep(&output_streams[i]->avfilter);
         av_freep(&output_streams[i]->logfile_prefix);
-        av_freep(&output_streams[i]->filtered_frame);
         av_freep(&output_streams[i]);
     }
     for (i = 0; i < nb_input_files; i++) {
@@ -192,9 +193,9 @@ void exit_program(int ret)
         av_freep(&input_files[i]);
     }
     for (i = 0; i < nb_input_streams; i++) {
-        av_freep(&input_streams[i]->decoded_frame);
+        av_frame_free(&input_streams[i]->decoded_frame);
+        av_frame_free(&input_streams[i]->filter_frame);
         av_dict_free(&input_streams[i]->opts);
-        free_buffer_pool(&input_streams[i]->buffer_pool);
         av_freep(&input_streams[i]->filters);
         av_freep(&input_streams[i]);
     }
@@ -218,8 +219,6 @@ void exit_program(int ret)
                (int) received_sigterm);
         exit (255);
     }
-
-    exit(ret);
 }
 
 void assert_avoptions(AVDictionary *m)
@@ -227,28 +226,25 @@ void assert_avoptions(AVDictionary *m)
     AVDictionaryEntry *t;
     if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
         av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
-        exit_program(1);
+        exit(1);
     }
 }
 
-static void assert_codec_experimental(AVCodecContext *c, int encoder)
+static void abort_codec_experimental(AVCodec *c, int encoder)
 {
     const char *codec_string = encoder ? "encoder" : "decoder";
     AVCodec *codec;
-    if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
-        c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
-        av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
-                "results.\nAdd '-strict experimental' if you want to use it.\n",
-                codec_string, c->codec->name);
-        codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
-        if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
-            av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
-                   codec_string, codec->name);
-        exit_program(1);
-    }
+    av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
+            "results.\nAdd '-strict experimental' if you want to use it.\n",
+            codec_string, c->name);
+    codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
+    if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+        av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
+               codec_string, codec->name);
+    exit(1);
 }
 
-/**
+/*
  * Update the requested input sample format based on the output sample format.
  * This is currently only used to request float output from decoders which
  * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
@@ -269,22 +265,41 @@ static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
         dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
         dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
         const enum AVSampleFormat *p;
-        int min_dec = -1, min_inc = -1;
+        int min_dec = INT_MAX, min_inc = INT_MAX;
+        enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
+        enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
 
         /* find a matching sample format in the encoder */
         for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
             if (*p == enc->sample_fmt) {
                 dec->request_sample_fmt = *p;
                 return;
-            } else if (*p > enc->sample_fmt) {
-                min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
-            } else
-                min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
+            } else {
+                enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
+                enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
+                int fmt_diff = 32 * abs(dfmt - efmt);
+                if (av_sample_fmt_is_planar(*p) !=
+                    av_sample_fmt_is_planar(enc->sample_fmt))
+                    fmt_diff++;
+                if (dfmt == efmt) {
+                    min_inc = fmt_diff;
+                    inc_fmt = *p;
+                } else if (dfmt > efmt) {
+                    if (fmt_diff < min_inc) {
+                        min_inc = fmt_diff;
+                        inc_fmt = *p;
+                    }
+                } else {
+                    if (fmt_diff < min_dec) {
+                        min_dec = fmt_diff;
+                        dec_fmt = *p;
+                    }
+                }
+            }
         }
 
         /* if none match, provide the one that matches quality closest */
-        dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
-                                  enc->sample_fmt - min_dec;
+        dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
     }
 }
 
@@ -317,14 +332,17 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
                                            pkt->flags & AV_PKT_FLAG_KEY);
         if (a > 0) {
             av_free_packet(pkt);
-            new_pkt.destruct = av_destruct_packet;
+            new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
+                                           av_buffer_default_free, NULL, 0);
+            if (!new_pkt.buf)
+                exit(1);
         } else if (a < 0) {
             av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
                    bsfc->filter->name, pkt->stream_index,
                    avctx->codec ? avctx->codec->name : "copy");
             print_error("", a);
             if (exit_on_error)
-                exit_program(1);
+                exit(1);
         }
         *pkt = new_pkt;
 
@@ -335,7 +353,7 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
     ret = av_interleaved_write_frame(s, pkt);
     if (ret < 0) {
         print_error("av_interleaved_write_frame()", ret);
-        exit_program(1);
+        exit(1);
     }
 }
 
@@ -372,7 +390,7 @@ static void do_audio_out(AVFormatContext *s, OutputStream *ost,
 
     if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
         av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
-        exit_program(1);
+        exit(1);
     }
 
     if (got_packet) {
@@ -389,6 +407,7 @@ static void do_audio_out(AVFormatContext *s, OutputStream *ost,
     }
 }
 
+#if FF_API_DEINTERLACE
 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
 {
     AVCodecContext *dec;
@@ -427,6 +446,7 @@ static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void *
         *picture = *picture2;
     *bufp = buf;
 }
+#endif
 
 static void do_subtitle_out(AVFormatContext *s,
                             OutputStream *ost,
@@ -443,7 +463,7 @@ static void do_subtitle_out(AVFormatContext *s,
     if (pts == AV_NOPTS_VALUE) {
         av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
         if (exit_on_error)
-            exit_program(1);
+            exit(1);
         return;
     }
 
@@ -475,7 +495,7 @@ static void do_subtitle_out(AVFormatContext *s,
                                                     subtitle_out_max_size, sub);
         if (subtitle_out_size < 0) {
             av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
-            exit_program(1);
+            exit(1);
         }
 
         av_init_packet(&pkt);
@@ -497,7 +517,7 @@ static void do_subtitle_out(AVFormatContext *s,
 static void do_video_out(AVFormatContext *s,
                          OutputStream *ost,
                          AVFrame *in_picture,
-                         int *frame_size, float quality)
+                         int *frame_size)
 {
     int ret, format_video_sync;
     AVPacket pkt;
@@ -549,33 +569,23 @@ static void do_video_out(AVFormatContext *s,
         write_frame(s, &pkt, ost);
     } else {
         int got_packet;
-        AVFrame big_picture;
-
-        big_picture = *in_picture;
-        /* better than nothing: use input picture interlaced
-           settings */
-        big_picture.interlaced_frame = in_picture->interlaced_frame;
-        if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
-            if (ost->top_field_first == -1)
-                big_picture.top_field_first = in_picture->top_field_first;
-            else
-                big_picture.top_field_first = !!ost->top_field_first;
-        }
 
-        /* handles same_quant here. This is not correct because it may
-           not be a global option */
-        big_picture.quality = quality;
+        if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
+            ost->top_field_first >= 0)
+            in_picture->top_field_first = !!ost->top_field_first;
+
+        in_picture->quality = ost->st->codec->global_quality;
         if (!enc->me_threshold)
-            big_picture.pict_type = 0;
+            in_picture->pict_type = 0;
         if (ost->forced_kf_index < ost->forced_kf_count &&
-            big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
-            big_picture.pict_type = AV_PICTURE_TYPE_I;
+            in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
+            in_picture->pict_type = AV_PICTURE_TYPE_I;
             ost->forced_kf_index++;
         }
-        ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
+        ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
         if (ret < 0) {
             av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
-            exit_program(1);
+            exit(1);
         }
 
         if (got_packet) {
@@ -608,8 +618,7 @@ static double psnr(double d)
     return -10.0 * log(d) / log(10.0);
 }
 
-static void do_video_stats(AVFormatContext *os, OutputStream *ost,
-                           int frame_size)
+static void do_video_stats(OutputStream *ost, int frame_size)
 {
     AVCodecContext *enc;
     int frame_number;
@@ -620,7 +629,7 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost,
         vstats_file = fopen(vstats_filename, "w");
         if (!vstats_file) {
             perror("fopen");
-            exit_program(1);
+            exit(1);
         }
     }
 
@@ -645,13 +654,12 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost,
     }
 }
 
-/**
+/*
  * Read one frame for lavfi output for ost and encode it.
  */
 static int poll_filter(OutputStream *ost)
 {
     OutputFile    *of = output_files[ost->file_index];
-    AVFilterBufferRef *picref;
     AVFrame *filtered_frame = NULL;
     int frame_size, ret;
 
@@ -663,17 +671,16 @@ static int poll_filter(OutputStream *ost)
 
     if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
         !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
-        ret = av_buffersink_read_samples(ost->filter->filter, &picref,
+        ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
                                          ost->st->codec->frame_size);
     else
-        ret = av_buffersink_read(ost->filter->filter, &picref);
+        ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
 
     if (ret < 0)
         return ret;
 
-    avfilter_copy_buf_props(filtered_frame, picref);
-    if (picref->pts != AV_NOPTS_VALUE) {
-        filtered_frame->pts = av_rescale_q(picref->pts,
+    if (filtered_frame->pts != AV_NOPTS_VALUE) {
+        filtered_frame->pts = av_rescale_q(filtered_frame->pts,
                                            ost->filter->filter->inputs[0]->time_base,
                                            ost->st->codec->time_base) -
                               av_rescale_q(of->start_time,
@@ -681,7 +688,7 @@ static int poll_filter(OutputStream *ost)
                                            ost->st->codec->time_base);
 
         if (of->start_time && filtered_frame->pts < 0) {
-            avfilter_unref_buffer(picref);
+            av_frame_unref(filtered_frame);
             return 0;
         }
     }
@@ -689,13 +696,11 @@ static int poll_filter(OutputStream *ost)
     switch (ost->filter->filter->inputs[0]->type) {
     case AVMEDIA_TYPE_VIDEO:
         if (!ost->frame_aspect_ratio)
-            ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
+            ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
 
-        do_video_out(of->ctx, ost, filtered_frame, &frame_size,
-                     same_quant ? ost->last_quality :
-                                  ost->st->codec->global_quality);
+        do_video_out(of->ctx, ost, filtered_frame, &frame_size);
         if (vstats_filename && frame_size)
-            do_video_stats(of->ctx, ost, frame_size);
+            do_video_stats(ost, frame_size);
         break;
     case AVMEDIA_TYPE_AUDIO:
         do_audio_out(of->ctx, ost, filtered_frame);
@@ -705,12 +710,12 @@ static int poll_filter(OutputStream *ost)
         av_assert0(0);
     }
 
-    avfilter_unref_buffer(picref);
+    av_frame_unref(filtered_frame);
 
     return 0;
 }
 
-/**
+/*
  * Read as many frames from possible from lavfi and encode them.
  *
  * Always read from the active stream with the lowest timestamp. If no frames
@@ -796,8 +801,15 @@ static void print_report(int is_last_report, int64_t timer_start)
     oc = output_files[0]->ctx;
 
     total_size = avio_size(oc->pb);
-    if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
+    if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
         total_size = avio_tell(oc->pb);
+    if (total_size < 0) {
+        char errbuf[128];
+        av_strerror(total_size, errbuf, sizeof(errbuf));
+        av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
+               "avio_tell() failed: %s\n", errbuf);
+        total_size = 0;
+    }
 
     buf[0] = '\0';
     ti1 = 1e10;
@@ -933,7 +945,7 @@ static void flush_encoders(void)
                 ret = encode(enc, &pkt, NULL, &got_packet);
                 if (ret < 0) {
                     av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
-                    exit_program(1);
+                    exit(1);
                 }
                 *size += ret;
                 if (ost->logfile && enc->stats_out) {
@@ -947,6 +959,8 @@ static void flush_encoders(void)
                     pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
                 if (pkt.dts != AV_NOPTS_VALUE)
                     pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
+                if (pkt.duration > 0)
+                    pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
                 write_frame(os, &pkt, ost);
             }
 
@@ -1019,8 +1033,11 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
        && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
        && ost->st->codec->codec_id != AV_CODEC_ID_VC1
        ) {
-        if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
-            opkt.destruct = av_destruct_packet;
+        if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
+            opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
+            if (!opkt.buf)
+                exit(1);
+        }
     } else {
         opkt.data = pkt->data;
         opkt.size = pkt->size;
@@ -1028,7 +1045,6 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
 
     write_frame(of->ctx, &opkt, ost);
     ost->st->codec->frame_number++;
-    av_free_packet(&opkt);
 }
 
 static void rate_emu_sleep(InputStream *ist)
@@ -1061,22 +1077,21 @@ int guess_input_channel_layout(InputStream *ist)
 
 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
 {
-    AVFrame *decoded_frame;
+    AVFrame *decoded_frame, *f;
     AVCodecContext *avctx = ist->st->codec;
-    int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
-    int i, ret, resample_changed;
+    int i, ret, err = 0, resample_changed;
 
     if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
         return AVERROR(ENOMEM);
-    else
-        avcodec_get_frame_defaults(ist->decoded_frame);
+    if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
+        return AVERROR(ENOMEM);
     decoded_frame = ist->decoded_frame;
 
     ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
     if (!*got_output || ret < 0) {
         if (!pkt->size) {
             for (i = 0; i < ist->nb_filters; i++)
-                av_buffersrc_buffer(ist->filters[i]->filter, NULL);
+                av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
         }
         return ret;
     }
@@ -1090,64 +1105,6 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
         pkt->pts           = AV_NOPTS_VALUE;
     }
 
-    // preprocess audio (volume)
-    if (audio_volume != 256) {
-        int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
-        void *samples = decoded_frame->data[0];
-        switch (avctx->sample_fmt) {
-        case AV_SAMPLE_FMT_U8:
-        {
-            uint8_t *volp = samples;
-            for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
-                int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
-                *volp++ = av_clip_uint8(v);
-            }
-            break;
-        }
-        case AV_SAMPLE_FMT_S16:
-        {
-            int16_t *volp = samples;
-            for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
-                int v = ((*volp) * audio_volume + 128) >> 8;
-                *volp++ = av_clip_int16(v);
-            }
-            break;
-        }
-        case AV_SAMPLE_FMT_S32:
-        {
-            int32_t *volp = samples;
-            for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
-                int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
-                *volp++ = av_clipl_int32(v);
-            }
-            break;
-        }
-        case AV_SAMPLE_FMT_FLT:
-        {
-            float *volp = samples;
-            float scale = audio_volume / 256.f;
-            for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
-                *volp++ *= scale;
-            }
-            break;
-        }
-        case AV_SAMPLE_FMT_DBL:
-        {
-            double *volp = samples;
-            double scale = audio_volume / 256.;
-            for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
-                *volp++ *= scale;
-            }
-            break;
-        }
-        default:
-            av_log(NULL, AV_LOG_FATAL,
-                   "Audio volume adjustment on sample format %s is not supported.\n",
-                   av_get_sample_fmt_name(ist->st->codec->sample_fmt));
-            exit_program(1);
-        }
-    }
-
     rate_emu_sleep(ist);
 
     resample_changed = ist->resample_sample_fmt     != decoded_frame->format         ||
@@ -1161,7 +1118,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
             av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
                    "layout for Input Stream #%d.%d\n", ist->file_index,
                    ist->st->index);
-            exit_program(1);
+            exit(1);
         }
         decoded_frame->channel_layout = avctx->channel_layout;
 
@@ -1187,7 +1144,7 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
             if (ist_in_filtergraph(filtergraphs[i], ist) &&
                 configure_filtergraph(filtergraphs[i]) < 0) {
                 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
-                exit_program(1);
+                exit(1);
             }
     }
 
@@ -1195,23 +1152,35 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
         decoded_frame->pts = av_rescale_q(decoded_frame->pts,
                                           ist->st->time_base,
                                           (AVRational){1, ist->st->codec->sample_rate});
-    for (i = 0; i < ist->nb_filters; i++)
-        av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
+    for (i = 0; i < ist->nb_filters; i++) {
+        if (i < ist->nb_filters - 1) {
+            f = ist->filter_frame;
+            err = av_frame_ref(f, decoded_frame);
+            if (err < 0)
+                break;
+        } else
+            f = decoded_frame;
 
-    return ret;
+        err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+        if (err < 0)
+            break;
+    }
+
+    av_frame_unref(ist->filter_frame);
+    av_frame_unref(decoded_frame);
+    return err < 0 ? err : ret;
 }
 
 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
 {
-    AVFrame *decoded_frame;
+    AVFrame *decoded_frame, *f;
     void *buffer_to_free = NULL;
-    int i, ret = 0, resample_changed;
-    float quality;
+    int i, ret = 0, err = 0, resample_changed;
 
-    if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
+    if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
+        return AVERROR(ENOMEM);
+    if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
         return AVERROR(ENOMEM);
-    else
-        avcodec_get_frame_defaults(ist->decoded_frame);
     decoded_frame = ist->decoded_frame;
 
     ret = avcodec_decode_video2(ist->st->codec,
@@ -1219,16 +1188,17 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
     if (!*got_output || ret < 0) {
         if (!pkt->size) {
             for (i = 0; i < ist->nb_filters; i++)
-                av_buffersrc_buffer(ist->filters[i]->filter, NULL);
+                av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
         }
         return ret;
     }
 
-    quality = same_quant ? decoded_frame->quality : 0;
     decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
                                            decoded_frame->pkt_dts);
     pkt->size = 0;
+#if FF_API_DEINTERLACE
     pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
+#endif
 
     rate_emu_sleep(ist);
 
@@ -1245,6 +1215,10 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
                ist->resample_width,  ist->resample_height,  av_get_pix_fmt_name(ist->resample_pix_fmt),
                decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
 
+        ret = poll_filters();
+        if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
+            av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
+
         ist->resample_width   = decoded_frame->width;
         ist->resample_height  = decoded_frame->height;
         ist->resample_pix_fmt = decoded_frame->format;
@@ -1253,35 +1227,28 @@ static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
             if (ist_in_filtergraph(filtergraphs[i], ist) &&
                 configure_filtergraph(filtergraphs[i]) < 0) {
                 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
-                exit_program(1);
+                exit(1);
             }
     }
 
     for (i = 0; i < ist->nb_filters; i++) {
-        // XXX what an ugly hack
-        if (ist->filters[i]->graph->nb_outputs == 1)
-            ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
-
-        if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
-            FrameBuffer      *buf = decoded_frame->opaque;
-            AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
-                                        decoded_frame->data, decoded_frame->linesize,
-                                        AV_PERM_READ | AV_PERM_PRESERVE,
-                                        ist->st->codec->width, ist->st->codec->height,
-                                        ist->st->codec->pix_fmt);
-
-            avfilter_copy_frame_props(fb, decoded_frame);
-            fb->buf->priv           = buf;
-            fb->buf->free           = filter_release_buffer;
-
-            buf->refcount++;
-            av_buffersrc_buffer(ist->filters[i]->filter, fb);
+        if (i < ist->nb_filters - 1) {
+            f = ist->filter_frame;
+            err = av_frame_ref(f, decoded_frame);
+            if (err < 0)
+                break;
         } else
-            av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
+            f = decoded_frame;
+
+        err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
+        if (err < 0)
+            break;
     }
 
+    av_frame_unref(ist->filter_frame);
+    av_frame_unref(decoded_frame);
     av_free(buffer_to_free);
-    return ret;
+    return err < 0 ? err : ret;
 }
 
 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
@@ -1414,12 +1381,12 @@ static int output_packet(InputStream *ist, const AVPacket *pkt)
 
 static void print_sdp(void)
 {
-    char sdp[2048];
+    char sdp[16384];
     int i;
     AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
 
     if (!avc)
-        exit_program(1);
+        exit(1);
     for (i = 0; i < nb_output_files; i++)
         avc[i] = output_files[i]->ctx;
 
@@ -1431,7 +1398,7 @@ static void print_sdp(void)
 
 static int init_input_stream(int ist_index, char *error, int error_len)
 {
-    int i;
+    int i, ret;
     InputStream *ist = input_streams[ist_index];
     if (ist->decoding_needed) {
         AVCodec *codec = ist->dec;
@@ -1451,20 +1418,17 @@ static int init_input_stream(int ist_index, char *error, int error_len)
             }
         }
 
-        if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
-            ist->st->codec->get_buffer     = codec_get_buffer;
-            ist->st->codec->release_buffer = codec_release_buffer;
-            ist->st->codec->opaque         = &ist->buffer_pool;
-        }
+        av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
 
         if (!av_dict_get(ist->opts, "threads", NULL, 0))
             av_dict_set(&ist->opts, "threads", "auto", 0);
-        if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
+        if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
+            if (ret == AVERROR_EXPERIMENTAL)
+                abort_codec_experimental(codec, 0);
             snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
                     ist->file_index, ist->st->index);
-            return AVERROR(EINVAL);
+            return ret;
         }
-        assert_codec_experimental(ist->st->codec, 0);
         assert_avoptions(ist->opts);
     }
 
@@ -1507,7 +1471,7 @@ static void parse_forced_key_frames(char *kf, OutputStream *ost,
     ost->forced_kf_pts   = av_malloc(sizeof(*ost->forced_kf_pts) * n);
     if (!ost->forced_kf_pts) {
         av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
-        exit_program(1);
+        exit(1);
     }
 
     p = kf;
@@ -1621,7 +1585,7 @@ static int transcode_init(void)
             case AVMEDIA_TYPE_AUDIO:
                 if (audio_volume != 256) {
                     av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
-                    exit_program(1);
+                    exit(1);
                 }
                 codec->channel_layout     = icodec->channel_layout;
                 codec->sample_rate        = icodec->sample_rate;
@@ -1759,7 +1723,7 @@ static int transcode_init(void)
                         if (!f) {
                             av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
                                    logfilename, strerror(errno));
-                            exit_program(1);
+                            exit(1);
                         }
                         ost->logfile = f;
                     } else {
@@ -1768,7 +1732,7 @@ static int transcode_init(void)
                         if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
                             av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
                                    logfilename);
-                            exit_program(1);
+                            exit(1);
                         }
                         codec->stats_in = logbuffer;
                     }
@@ -1797,13 +1761,13 @@ static int transcode_init(void)
             }
             if (!av_dict_get(ost->opts, "threads", NULL, 0))
                 av_dict_set(&ost->opts, "threads", "auto", 0);
-            if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
+            if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
+                if (ret == AVERROR_EXPERIMENTAL)
+                    abort_codec_experimental(codec, 1);
                 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
                         ost->file_index, ost->index);
-                ret = AVERROR(EINVAL);
                 goto dump_format;
             }
-            assert_codec_experimental(ost->st->codec, 1);
             assert_avoptions(ost->opts);
             if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
                 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
@@ -1812,6 +1776,8 @@ static int transcode_init(void)
 
             if (ost->st->codec->me_threshold)
                 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
+        } else {
+            av_opt_set_dict(ost->st->codec, &ost->opts);
         }
     }
 
@@ -1930,10 +1896,7 @@ static int transcode_init(void)
     return 0;
 }
 
-/**
- * @return 1 if there are still streams where more output is wanted,
- *         0 otherwise
- */
+/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
 static int need_output(void)
 {
     int i;
@@ -2117,13 +2080,13 @@ static void reset_eagain(void)
         input_files[i]->eagain = 0;
 }
 
-/**
+/*
  * Read one packet from an input file and send it for
  * - decoding -> lavfi (audio/video)
  * - decoding -> encoding -> muxing (subtitles)
  * - muxing (streamcopy)
  *
- * @return
+ * Return
  * - 0 -- one packet was read and processed
  * - AVERROR(EAGAIN) -- no packets were available for selected file,
  *   this function should be called again
@@ -2161,7 +2124,7 @@ static int process_input(void)
         if (ret != AVERROR_EOF) {
             print_error(is->filename, ret);
             if (exit_on_error)
-                exit_program(1);
+                exit(1);
         }
         ifile->eof_reached = 1;
 
@@ -2229,7 +2192,7 @@ static int process_input(void)
         av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
                ist->file_index, ist->st->index);
         if (exit_on_error)
-            exit_program(1);
+            exit(1);
     }
 
 discard_packet:
@@ -2352,6 +2315,7 @@ static int transcode(void)
                 av_freep(&ost->st->codec->subtitle_header);
                 av_free(ost->forced_kf_pts);
                 av_dict_free(&ost->opts);
+                av_dict_free(&ost->resample_opts);
             }
         }
     }
@@ -2394,19 +2358,12 @@ static int64_t getmaxrss(void)
 #endif
 }
 
-static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
-{
-    int idx = locate_option(argc, argv, options, "cpuflags");
-    if (idx && argv[idx + 1])
-        opt_cpuflags("cpuflags", argv[idx + 1]);
-}
-
 int main(int argc, char **argv)
 {
-    OptionsContext o = { 0 };
+    int ret;
     int64_t ti;
 
-    reset_options(&o);
+    atexit(exit_program);
 
     av_log_set_flags(AV_LOG_SKIP_REPEATED);
     parse_loglevel(argc, argv, options);
@@ -2421,32 +2378,32 @@ int main(int argc, char **argv)
 
     show_banner();
 
-    parse_cpuflags(argc, argv, options);
-
-    /* parse options */
-    parse_options(&o, argc, argv, options, opt_output_file);
+    /* parse options and open all input/output files */
+    ret = avconv_parse_options(argc, argv);
+    if (ret < 0)
+        exit(1);
 
     if (nb_output_files <= 0 && nb_input_files == 0) {
         show_usage();
         av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
-        exit_program(1);
+        exit(1);
     }
 
     /* file converter / grab */
     if (nb_output_files <= 0) {
         fprintf(stderr, "At least one output file must be specified\n");
-        exit_program(1);
+        exit(1);
     }
 
     ti = getutime();
     if (transcode() < 0)
-        exit_program(1);
+        exit(1);
     ti = getutime() - ti;
     if (do_benchmark) {
         int maxrss = getmaxrss() / 1024;
         printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
     }
 
-    exit_program(0);
+    exit(0);
     return 0;
 }