examples/encoding: List more formats to make it more clear to the reader what is...

[ffmpeg] / ffmpeg.c

diff --git a/ffmpeg.c b/ffmpeg.c
index b290022d02f40f9c6e29e291f277a93eb42343f1..ba34f7c5a9562cc9ed9ddf82d30a7c40b80acca6 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -156,6 +156,8 @@ static int input_sync;
 
 static float dts_delta_threshold = 10;
 
+static int print_stats = 1;
+
 static uint8_t *audio_buf;
 static uint8_t *audio_out;
 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
@@ -185,10 +187,10 @@ typedef struct InputStream {
 typedef struct InputFile {
     AVFormatContext *ctx;
     int eof_reached;      /* true if eof reached */
-    int ist_index;        /* index of first stream in ist_table */
+    int ist_index;        /* index of first stream in input_streams */
     int buffer_size;      /* current total buffer size */
     int64_t ts_offset;
-    int nb_streams;       /* number of stream that avconv is aware of; may be different
+    int nb_streams;       /* number of stream that ffmpeg is aware of; may be different
                              from ctx.nb_streams if new streams appear during av_read_frame() */
     int rate_emu;
 } InputFile;
@@ -609,20 +611,6 @@ static int read_key(void)
     return -1;
 }
 
-static int read_yn(void)
-{
-    int c, t;
-#if HAVE_TERMIOS_H || HAVE_KBHIT
-    while((c=read_key()) < 0);
-#else
-    t=c= getchar();
-    while (t != '\n' && t != EOF)
-        t = getchar();
-#endif
-
-    return (toupper(c) == 'Y');
-}
-
 static int decode_interrupt_cb(void)
 {
     return received_nb_signals > 1;
@@ -1394,6 +1382,9 @@ static void print_report(OutputFile *output_files,
     static int qp_histogram[52];
     int hours, mins, secs, us;
 
+    if (!print_stats && !is_last_report)
+        return;
+
     if (!is_last_report) {
         if (last_time == -1) {
             last_time = cur_time;
@@ -1487,7 +1478,7 @@ static void print_report(OutputFile *output_files,
         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
                 nb_frames_dup, nb_frames_drop);
 
-    av_log(NULL, is_last_report ? AV_LOG_WARNING : AV_LOG_INFO, "%s    \r", buf);
+    av_log(NULL, AV_LOG_INFO, "%s    \r", buf);
 
     fflush(stderr);
 
@@ -1685,7 +1676,6 @@ static int output_packet(InputStream *ist, int ist_index,
                     (ist->st->codec->sample_rate * ist->st->codec->channels);
                 break;}
             case AVMEDIA_TYPE_VIDEO:
-                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
                     if (!(decoded_frame = avcodec_alloc_frame()))
                         return AVERROR(ENOMEM);
                     avpkt.pts = pkt_pts;
@@ -2157,6 +2147,8 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
         } else {
             if (!ost->enc)
                 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+            ist->decoding_needed = 1;
+            ost->encoding_needed = 1;
             switch(codec->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 ost->fifo= av_fifo_alloc(1024);
@@ -2181,8 +2173,6 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
                 ost->audio_resample |=    codec->sample_fmt     != icodec->sample_fmt
                                        || codec->channel_layout != icodec->channel_layout;
                 icodec->request_channels = codec->channels;
-                ist->decoding_needed = 1;
-                ost->encoding_needed = 1;
                 ost->resample_sample_fmt  = icodec->sample_fmt;
                 ost->resample_sample_rate = icodec->sample_rate;
                 ost->resample_channels    = icodec->channels;
@@ -2212,8 +2202,6 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
                 ost->resample_height = icodec->height;
                 ost->resample_width  = icodec->width;
                 ost->resample_pix_fmt= icodec->pix_fmt;
-                ost->encoding_needed = 1;
-                ist->decoding_needed = 1;
 
                 if (!ost->frame_rate.num)
                     ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
@@ -2240,15 +2228,13 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
 #endif
                 break;
             case AVMEDIA_TYPE_SUBTITLE:
-                ost->encoding_needed = 1;
-                ist->decoding_needed = 1;
                 break;
             default:
                 abort();
                 break;
             }
             /* two pass mode */
-            if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
+            if (codec->codec_id != CODEC_ID_H264 &&
                 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
                 char logfilename[1024];
                 FILE *f;
@@ -2322,7 +2308,7 @@ static int transcode_init(OutputFile *output_files, int nb_output_files,
             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."
-                                             "It takes bits/s as argument, not kbits/s\n");
+                                             " It takes bits/s as argument, not kbits/s\n");
             extra_size += ost->st->codec->extradata_size;
 
             if (ost->st->codec->me_threshold)
@@ -2730,12 +2716,6 @@ static int transcode(OutputFile *output_files, int nb_output_files,
     return ret;
 }
 
-static int opt_verbose(const char *opt, const char *arg)
-{
-    av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
-    return 0;
-}
-
 static int opt_frame_crop(const char *opt, const char *arg)
 {
     av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
@@ -3718,11 +3698,12 @@ static void opt_output_file(void *optctx, const char *filename)
                 if (!using_stdin) {
                     fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
                     fflush(stderr);
-                    if (!read_yn()) {
-                        av_log(0, AV_LOG_FATAL, "\nNot overwriting - exiting\n");
+                    term_exit();
+                    if (!read_yesno()) {
+                        av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
                         exit_program(1);
                     }
-                    fprintf(stderr,"\n");
+                    term_init();
                 }
                 else {
                     av_log(0, AV_LOG_FATAL,"File '%s' already exists. Exiting.\n", filename);
@@ -4278,7 +4259,6 @@ static const OptionDef options[] = {
     { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
     { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
     { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
-    { "v", HAS_ARG, {(void*)opt_verbose}, "deprecated, use -loglevel instead", "number" },
     { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
     { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
     { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
@@ -4296,6 +4276,7 @@ static const OptionDef options[] = {
 #if CONFIG_AVFILTER
     { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
 #endif
+    { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
 
     /* video options */
     { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },