checkasm: Explicitly declare function prototypes
[ffmpeg.git] / avplay.c
index 1cec241..546fb90 100644 (file)
--- a/avplay.c
+++ b/avplay.c
@@ -27,6 +27,7 @@
 
 #include "libavutil/avstring.h"
 #include "libavutil/colorspace.h"
+#include "libavutil/display.h"
 #include "libavutil/mathematics.h"
 #include "libavutil/pixdesc.h"
 #include "libavutil/imgutils.h"
@@ -101,7 +102,7 @@ typedef struct PacketQueue {
 
 typedef struct VideoPicture {
     double pts;             // presentation timestamp for this picture
-    double target_clock;    // av_gettime() time at which this should be displayed ideally
+    double target_clock;    // av_gettime_relative() time at which this should be displayed ideally
     int64_t pos;            // byte position in file
     SDL_Overlay *bmp;
     int width, height; /* source height & width */
@@ -197,7 +198,7 @@ typedef struct VideoState {
     AVStream *video_st;
     PacketQueue videoq;
     double video_current_pts;       // current displayed pts (different from video_clock if frame fifos are used)
-    double video_current_pts_drift; // video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
+    double video_current_pts_drift; // video_current_pts - time (av_gettime_relative) at which we updated video_current_pts - used to have running video pts
     int64_t video_current_pos;      // current displayed file pos
     VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
     int pictq_size, pictq_rindex, pictq_windex;
@@ -254,7 +255,7 @@ static enum AVDiscard skip_idct        = AVDISCARD_DEFAULT;
 static enum AVDiscard skip_loop_filter = AVDISCARD_DEFAULT;
 static int error_concealment = 3;
 static int decoder_reorder_pts = -1;
-static int autoexit;
+static int noautoexit;
 static int exit_on_keydown;
 static int exit_on_mousedown;
 static int loop = 1;
@@ -265,6 +266,7 @@ static int rdftspeed = 20;
 #if CONFIG_AVFILTER
 static char *vfilters = NULL;
 #endif
+static int autorotate = 1;
 
 /* current context */
 static int is_full_screen;
@@ -754,7 +756,7 @@ static void video_audio_display(VideoState *s)
         /* to be more precise, we take into account the time spent since
            the last buffer computation */
         if (audio_callback_time) {
-            time_diff = av_gettime() - audio_callback_time;
+            time_diff = av_gettime_relative() - audio_callback_time;
             delay -= (time_diff * s->sdl_sample_rate) / 1000000;
         }
 
@@ -972,7 +974,7 @@ static double get_video_clock(VideoState *is)
     if (is->paused) {
         return is->video_current_pts;
     } else {
-        return is->video_current_pts_drift + av_gettime() / 1000000.0;
+        return is->video_current_pts_drift + av_gettime_relative() / 1000000.0;
     }
 }
 
@@ -980,7 +982,7 @@ static double get_video_clock(VideoState *is)
 static double get_external_clock(VideoState *is)
 {
     int64_t ti;
-    ti = av_gettime();
+    ti = av_gettime_relative();
     return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
 }
 
@@ -1022,18 +1024,18 @@ static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_by
 static void stream_pause(VideoState *is)
 {
     if (is->paused) {
-        is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
+        is->frame_timer += av_gettime_relative() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
         if (is->read_pause_return != AVERROR(ENOSYS)) {
-            is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
+            is->video_current_pts = is->video_current_pts_drift + av_gettime_relative() / 1000000.0;
         }
-        is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
+        is->video_current_pts_drift = is->video_current_pts - av_gettime_relative() / 1000000.0;
     }
     is->paused = !is->paused;
 }
 
 static double compute_target_time(double frame_current_pts, VideoState *is)
 {
-    double delay, sync_threshold, diff;
+    double delay, sync_threshold, diff = 0;
 
     /* compute nominal delay */
     delay = frame_current_pts - is->frame_last_pts;
@@ -1065,7 +1067,7 @@ static double compute_target_time(double frame_current_pts, VideoState *is)
     }
     is->frame_timer += delay;
 
-    av_dlog(NULL, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
+    av_log(NULL, AV_LOG_TRACE, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
             delay, frame_current_pts, -diff);
 
     return is->frame_timer;
@@ -1084,7 +1086,7 @@ retry:
         if (is->pictq_size == 0) {
             // nothing to do, no picture to display in the que
         } else {
-            double time = av_gettime() / 1000000.0;
+            double time = av_gettime_relative() / 1000000.0;
             double next_target;
             /* dequeue the picture */
             vp = &is->pictq[is->pictq_rindex];
@@ -1190,7 +1192,7 @@ retry:
         int aqsize, vqsize, sqsize;
         double av_diff;
 
-        cur_time = av_gettime();
+        cur_time = av_gettime_relative();
         if (!last_time || (cur_time - last_time) >= 30000) {
             aqsize = 0;
             vqsize = 0;
@@ -1323,6 +1325,8 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
 
     vp = &is->pictq[is->pictq_windex];
 
+    vp->sar = src_frame->sample_aspect_ratio;
+
     /* alloc or resize hardware picture buffer */
     if (!vp->bmp || vp->reallocate ||
 #if CONFIG_AVFILTER
@@ -1386,7 +1390,7 @@ static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t
         is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
             vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
             dst_pix_fmt, sws_flags, NULL, NULL, NULL);
-        if (is->img_convert_ctx == NULL) {
+        if (!is->img_convert_ctx) {
             fprintf(stderr, "Cannot initialize the conversion context\n");
             exit(1);
         }
@@ -1462,7 +1466,7 @@ static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacke
         init_pts_correction(&is->pts_ctx);
         is->frame_last_pts = AV_NOPTS_VALUE;
         is->frame_last_delay = 0;
-        is->frame_timer = (double)av_gettime() / 1000000.0;
+        is->frame_timer = (double)av_gettime_relative() / 1000000.0;
         is->skip_frames = 1;
         is->skip_frames_index = 0;
         return 0;
@@ -1502,7 +1506,7 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
     char sws_flags_str[128];
     char buffersrc_args[256];
     int ret;
-    AVFilterContext *filt_src = NULL, *filt_out = NULL, *filt_format;
+    AVFilterContext *filt_src = NULL, *filt_out = NULL, *last_filter;
     AVCodecContext *codec = is->video_st->codec;
 
     snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%"PRId64, sws_flags);
@@ -1524,13 +1528,43 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
                                             "out", NULL, NULL, graph)) < 0)
         return ret;
 
-    if ((ret = avfilter_graph_create_filter(&filt_format,
-                                            avfilter_get_by_name("format"),
-                                            "format", "yuv420p", NULL, graph)) < 0)
-        return ret;
-    if ((ret = avfilter_link(filt_format, 0, filt_out, 0)) < 0)
-        return ret;
-
+    last_filter = filt_out;
+
+/* Note: this macro adds a filter before the lastly added filter, so the
+ * processing order of the filters is in reverse */
+#define INSERT_FILT(name, arg) do {                                          \
+    AVFilterContext *filt_ctx;                                               \
+                                                                             \
+    ret = avfilter_graph_create_filter(&filt_ctx,                            \
+                                       avfilter_get_by_name(name),           \
+                                       "avplay_" name, arg, NULL, graph);    \
+    if (ret < 0)                                                             \
+        return ret;                                                          \
+                                                                             \
+    ret = avfilter_link(filt_ctx, 0, last_filter, 0);                        \
+    if (ret < 0)                                                             \
+        return ret;                                                          \
+                                                                             \
+    last_filter = filt_ctx;                                                  \
+} while (0)
+
+    INSERT_FILT("format", "yuv420p");
+
+    if (autorotate) {
+        uint8_t* displaymatrix = av_stream_get_side_data(is->video_st,
+                                                         AV_PKT_DATA_DISPLAYMATRIX, NULL);
+        if (displaymatrix) {
+            double rot = av_display_rotation_get((int32_t*) displaymatrix);
+            if (rot < -135 || rot > 135) {
+                INSERT_FILT("vflip", NULL);
+                INSERT_FILT("hflip", NULL);
+            } else if (rot < -45) {
+                INSERT_FILT("transpose", "dir=clock");
+            } else if (rot > 45) {
+                INSERT_FILT("transpose", "dir=cclock");
+            }
+        }
+    }
 
     if (vfilters) {
         AVFilterInOut *outputs = avfilter_inout_alloc();
@@ -1542,14 +1576,14 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
         outputs->next    = NULL;
 
         inputs->name    = av_strdup("out");
-        inputs->filter_ctx = filt_format;
+        inputs->filter_ctx = last_filter;
         inputs->pad_idx = 0;
         inputs->next    = NULL;
 
         if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
             return ret;
     } else {
-        if ((ret = avfilter_link(filt_src, 0, filt_format, 0)) < 0)
+        if ((ret = avfilter_link(filt_src, 0, last_filter, 0)) < 0)
             return ret;
     }
 
@@ -1578,6 +1612,10 @@ static int video_thread(void *arg)
     AVFilterContext *filt_out = NULL, *filt_in = NULL;
     int last_w = is->video_st->codec->width;
     int last_h = is->video_st->codec->height;
+    if (!graph) {
+        av_frame_free(&frame);
+        return AVERROR(ENOMEM);
+    }
 
     if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
         goto the_end;
@@ -1585,6 +1623,13 @@ static int video_thread(void *arg)
     filt_out = is->out_video_filter;
 #endif
 
+    if (!frame) {
+#if CONFIG_AVFILTER
+        avfilter_graph_free(&graph);
+#endif
+        return AVERROR(ENOMEM);
+    }
+
     for (;;) {
 #if CONFIG_AVFILTER
         AVRational tb;
@@ -1604,7 +1649,7 @@ static int video_thread(void *arg)
 #if CONFIG_AVFILTER
         if (   last_w != is->video_st->codec->width
             || last_h != is->video_st->codec->height) {
-            av_dlog(NULL, "Changing size %dx%d -> %dx%d\n", last_w, last_h,
+            av_log(NULL, AV_LOG_TRACE, "Changing size %dx%d -> %dx%d\n", last_w, last_h,
                     is->video_st->codec->width, is->video_st->codec->height);
             avfilter_graph_free(&graph);
             graph = avfilter_graph_alloc();
@@ -1633,7 +1678,7 @@ static int video_thread(void *arg)
             if (av_cmp_q(tb, is->video_st->time_base)) {
                 av_unused int64_t pts1 = pts_int;
                 pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
-                av_dlog(NULL, "video_thread(): "
+                av_log(NULL, AV_LOG_TRACE, "video_thread(): "
                         "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
                         tb.num, tb.den, pts1,
                         is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
@@ -1812,7 +1857,7 @@ static int synchronize_audio(VideoState *is, short *samples,
                         samples_size = wanted_size;
                     }
                 }
-                av_dlog(NULL, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
+                av_log(NULL, AV_LOG_TRACE, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
                         diff, avg_diff, samples_size - samples_size1,
                         is->audio_clock, is->video_clock, is->audio_diff_threshold);
             }
@@ -1846,8 +1891,7 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
             if (!is->frame) {
                 if (!(is->frame = av_frame_alloc()))
                     return AVERROR(ENOMEM);
-            } else
-                avcodec_get_frame_defaults(is->frame);
+            }
 
             if (flush_complete)
                 break;
@@ -1864,7 +1908,7 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
 
             if (!got_frame) {
                 /* stop sending empty packets if the decoder is finished */
-                if (!pkt_temp->data && dec->codec->capabilities & CODEC_CAP_DELAY)
+                if (!pkt_temp->data && (dec->codec->capabilities & AV_CODEC_CAP_DELAY))
                     flush_complete = 1;
                 continue;
             }
@@ -1992,7 +2036,7 @@ static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
     int audio_size, len1;
     double pts;
 
-    audio_callback_time = av_gettime();
+    audio_callback_time = av_gettime_relative();
 
     while (len > 0) {
         if (is->audio_buf_index >= is->audio_buf_size) {
@@ -2029,6 +2073,7 @@ static int stream_component_open(VideoState *is, int stream_index)
     SDL_AudioSpec wanted_spec, spec;
     AVDictionary *opts;
     AVDictionaryEntry *t = NULL;
+    int ret = 0;
 
     if (stream_index < 0 || stream_index >= ic->nb_streams)
         return -1;
@@ -2044,18 +2089,21 @@ static int stream_component_open(VideoState *is, int stream_index)
     avctx->skip_loop_filter  = skip_loop_filter;
     avctx->error_concealment = error_concealment;
 
-    if (fast)   avctx->flags2 |= CODEC_FLAG2_FAST;
+    if (fast)
+        avctx->flags2 |= AV_CODEC_FLAG2_FAST;
 
     if (!av_dict_get(opts, "threads", NULL, 0))
         av_dict_set(&opts, "threads", "auto", 0);
     if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
         av_dict_set(&opts, "refcounted_frames", "1", 0);
     if (!codec ||
-        avcodec_open2(avctx, codec, &opts) < 0)
-        return -1;
+        (ret = avcodec_open2(avctx, codec, &opts)) < 0) {
+        goto fail;
+    }
     if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
         av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
-        return AVERROR_OPTION_NOT_FOUND;
+        ret =  AVERROR_OPTION_NOT_FOUND;
+        goto fail;
     }
 
     /* prepare audio output */
@@ -2066,7 +2114,8 @@ static int stream_component_open(VideoState *is, int stream_index)
             avctx->channel_layout = av_get_default_channel_layout(avctx->channels);
         if (!avctx->channel_layout) {
             fprintf(stderr, "unable to guess channel layout\n");
-            return -1;
+            ret = AVERROR_INVALIDDATA;
+            goto fail;
         }
         if (avctx->channels == 1)
             is->sdl_channel_layout = AV_CH_LAYOUT_MONO;
@@ -2083,7 +2132,8 @@ static int stream_component_open(VideoState *is, int stream_index)
         wanted_spec.userdata = is;
         if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
             fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
-            return -1;
+            ret = AVERROR_UNKNOWN;
+            goto fail;
         }
         is->audio_hw_buf_size = spec.size;
         is->sdl_sample_fmt          = AV_SAMPLE_FMT_S16;
@@ -2128,7 +2178,11 @@ static int stream_component_open(VideoState *is, int stream_index)
     default:
         break;
     }
-    return 0;
+
+fail:
+    av_dict_free(&opts);
+
+    return ret;
 }
 
 static void stream_component_close(VideoState *is, int stream_index)
@@ -2244,6 +2298,11 @@ static int decode_thread(void *arg)
     global_video_state = is;
 
     ic = avformat_alloc_context();
+    if (!ic) {
+        av_log(NULL, AV_LOG_FATAL, "Could not allocate context.\n");
+        ret = AVERROR(ENOMEM);
+        goto fail;
+    }
     ic->interrupt_callback.callback = decode_interrupt_cb;
     err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
     if (err < 0) {
@@ -2265,14 +2324,16 @@ static int decode_thread(void *arg)
     orig_nb_streams = ic->nb_streams;
 
     err = avformat_find_stream_info(ic, opts);
+
+    for (i = 0; i < orig_nb_streams; i++)
+        av_dict_free(&opts[i]);
+    av_freep(&opts);
+
     if (err < 0) {
         fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
         ret = -1;
         goto fail;
     }
-    for (i = 0; i < orig_nb_streams; i++)
-        av_dict_free(&opts[i]);
-    av_freep(&opts);
 
     if (ic->pb)
         ic->pb->eof_reached = 0; // FIXME hack, avplay maybe should not use url_feof() to test for the end
@@ -2409,7 +2470,7 @@ static int decode_thread(void *arg)
                 packet_queue_put(&is->videoq, pkt);
             }
             if (is->audio_stream >= 0 &&
-                is->audio_st->codec->codec->capabilities & CODEC_CAP_DELAY) {
+                (is->audio_st->codec->codec->capabilities & AV_CODEC_CAP_DELAY)) {
                 av_init_packet(pkt);
                 pkt->data = NULL;
                 pkt->size = 0;
@@ -2420,7 +2481,7 @@ static int decode_thread(void *arg)
             if (is->audioq.size + is->videoq.size + is->subtitleq.size == 0) {
                 if (loop != 1 && (!loop || --loop)) {
                     stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
-                } else if (autoexit) {
+                } else if (!noautoexit) {
                     ret = AVERROR_EOF;
                     goto fail;
                 }
@@ -2602,6 +2663,33 @@ static void toggle_audio_display(void)
     }
 }
 
+static void seek_chapter(VideoState *is, int incr)
+{
+    int64_t pos = get_master_clock(is) * AV_TIME_BASE;
+    int i;
+
+    if (!is->ic->nb_chapters)
+        return;
+
+    /* find the current chapter */
+    for (i = 0; i < is->ic->nb_chapters; i++) {
+        AVChapter *ch = is->ic->chapters[i];
+        if (av_compare_ts(pos, AV_TIME_BASE_Q, ch->start, ch->time_base) < 0) {
+            i--;
+            break;
+        }
+    }
+
+    i += incr;
+    i = FFMAX(i, 0);
+    if (i >= is->ic->nb_chapters)
+        return;
+
+    av_log(NULL, AV_LOG_VERBOSE, "Seeking to chapter %d.\n", i);
+    stream_seek(is, av_rescale_q(is->ic->chapters[i]->start, is->ic->chapters[i]->time_base,
+                                 AV_TIME_BASE_Q), 0, 0);
+}
+
 /* handle an event sent by the GUI */
 static void event_loop(void)
 {
@@ -2647,6 +2735,12 @@ static void event_loop(void)
             case SDLK_w:
                 toggle_audio_display();
                 break;
+            case SDLK_PAGEUP:
+                seek_chapter(cur_stream, 1);
+                break;
+            case SDLK_PAGEDOWN:
+                seek_chapter(cur_stream, -1);
+                break;
             case SDLK_LEFT:
                 incr = -10.0;
                 goto do_seek;
@@ -2840,7 +2934,7 @@ static const OptionDef options[] = {
     { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, { &idct }, "set idct algo",  "algo" },
     { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, { &error_concealment }, "set error concealment options",  "bit_mask" },
     { "sync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_sync }, "set audio-video sync. type (type=audio/video/ext)", "type" },
-    { "autoexit", OPT_BOOL | OPT_EXPERT, { &autoexit }, "exit at the end", "" },
+    { "noautoexit", OPT_BOOL | OPT_EXPERT, { &noautoexit }, "Do not exit at the end of playback", "" },
     { "exitonkeydown", OPT_BOOL | OPT_EXPERT, { &exit_on_keydown }, "exit on key down", "" },
     { "exitonmousedown", OPT_BOOL | OPT_EXPERT, { &exit_on_mousedown }, "exit on mouse down", "" },
     { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, { &loop }, "set number of times the playback shall be looped", "loop count" },
@@ -2853,6 +2947,7 @@ static const OptionDef options[] = {
     { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
     { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { opt_default }, "generic catch all option", "" },
     { "i", 0, { NULL }, "avconv compatibility dummy option", ""},
+    { "autorotate", OPT_BOOL, { &autorotate }, "automatically rotate video", "" },
     { NULL, },
 };