Move mpvcore/player/ to player/

1 files changed, 422 insertions, 0 deletions

diff --git a/player/video.c b/player/video.c
new file mode 100644
index 0000000000..e98055d2a9
--- /dev/null
+++ b/player/video.c
@@ -0,0 +1,422 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stddef.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include <math.h>
+#include <assert.h>
+
+#include "config.h"
+#include "talloc.h"
+
+#include "mpvcore/mp_msg.h"
+#include "mpvcore/options.h"
+#include "mpvcore/mp_common.h"
+#include "mpvcore/encode.h"
+#include "mpvcore/m_property.h"
+
+#include "audio/out/ao.h"
+#include "demux/demux.h"
+#include "stream/stream.h"
+#include "sub/osd.h"
+#include "video/hwdec.h"
+#include "video/filter/vf.h"
+#include "video/decode/dec_video.h"
+#include "video/decode/vd.h"
+#include "video/out/vo.h"
+
+#include "mp_core.h"
+#include "command.h"
+
+void update_fps(struct MPContext *mpctx)
+{
+#if HAVE_ENCODING
+    struct dec_video *d_video = mpctx->d_video;
+    if (mpctx->encode_lavc_ctx && d_video)
+        encode_lavc_set_video_fps(mpctx->encode_lavc_ctx, d_video->fps);
+#endif
+}
+
+static void set_allowed_vo_formats(struct vf_chain *c, struct vo *vo)
+{
+    for (int fmt = IMGFMT_START; fmt < IMGFMT_END; fmt++) {
+        c->allowed_output_formats[fmt - IMGFMT_START] =
+            vo->driver->query_format(vo, fmt);
+    }
+}
+
+static void reconfig_video(struct MPContext *mpctx,
+                           const struct mp_image_params *params,
+                           bool probe_only)
+{
+    struct dec_video *d_video = mpctx->d_video;
+
+    d_video->decoder_output = *params;
+
+    set_allowed_vo_formats(d_video->vfilter, mpctx->video_out);
+
+    if (video_reconfig_filters(d_video, params) < 0) {
+        // Most video filters don't work with hardware decoding, so this
+        // might be the reason filter reconfig failed.
+        if (!probe_only &&
+            video_vd_control(d_video, VDCTRL_FORCE_HWDEC_FALLBACK, NULL) == CONTROL_OK)
+        {
+            // Fallback active; decoder will return software format next
+            // time. Don't abort video decoding.
+            d_video->vfilter->initialized = 0;
+        }
+        return;
+    }
+
+    if (d_video->vfilter->initialized < 1)
+        return;
+
+    struct mp_image_params p = d_video->vfilter->output_params;
+    const struct vo_driver *info = mpctx->video_out->driver;
+    mp_msg(MSGT_CPLAYER, MSGL_INFO, "VO: [%s] %dx%d => %dx%d %s\n",
+           info->name, p.w, p.h, p.d_w, p.d_h, vo_format_name(p.imgfmt));
+    mp_msg(MSGT_CPLAYER, MSGL_V, "VO: Description: %s\n", info->description);
+
+    int r = vo_reconfig(mpctx->video_out, &p, 0);
+    if (r < 0)
+        d_video->vfilter->initialized = -1;
+}
+
+static void recreate_video_filters(struct MPContext *mpctx)
+{
+    struct MPOpts *opts = mpctx->opts;
+    struct dec_video *d_video = mpctx->d_video;
+    assert(d_video);
+
+    vf_destroy(d_video->vfilter);
+    d_video->vfilter = vf_new(opts);
+    d_video->vfilter->hwdec = &d_video->hwdec_info;
+
+    vf_append_filter_list(d_video->vfilter, opts->vf_settings);
+
+    // for vf_sub
+    vf_control_any(d_video->vfilter, VFCTRL_SET_OSD_OBJ, mpctx->osd);
+    mpctx->osd->render_subs_in_filter
+        = vf_control_any(d_video->vfilter, VFCTRL_INIT_OSD, NULL) == CONTROL_OK;
+
+    set_allowed_vo_formats(d_video->vfilter, mpctx->video_out);
+}
+
+int reinit_video_filters(struct MPContext *mpctx)
+{
+    struct dec_video *d_video = mpctx->d_video;
+
+    if (!d_video || !d_video->decoder_output.imgfmt)
+        return -2;
+
+    recreate_video_filters(mpctx);
+    reconfig_video(mpctx, &d_video->decoder_output, true);
+
+    return d_video->vfilter && d_video->vfilter->initialized > 0 ? 0 : -1;
+}
+
+int reinit_video_chain(struct MPContext *mpctx)
+{
+    struct MPOpts *opts = mpctx->opts;
+    assert(!(mpctx->initialized_flags & INITIALIZED_VCODEC));
+    assert(!mpctx->d_video);
+    init_demux_stream(mpctx, STREAM_VIDEO);
+    struct sh_stream *sh = mpctx->sh[STREAM_VIDEO];
+    if (!sh)
+        goto no_video;
+
+    MP_VERBOSE(mpctx, "[V] fourcc:0x%X  size:%dx%d  fps:%5.3f\n",
+               sh->format,
+               sh->video->disp_w, sh->video->disp_h,
+               sh->video->fps);
+
+    double ar = -1.0;
+    //================== Init VIDEO (codec & libvo) ==========================
+    if (!opts->fixed_vo || !(mpctx->initialized_flags & INITIALIZED_VO)) {
+        mpctx->video_out = init_best_video_out(mpctx->global, mpctx->input,
+                                               mpctx->encode_lavc_ctx);
+        if (!mpctx->video_out) {
+            MP_FATAL(mpctx, "Error opening/initializing "
+                    "the selected video_out (-vo) device.\n");
+            goto err_out;
+        }
+        mpctx->mouse_cursor_visible = true;
+        mpctx->initialized_flags |= INITIALIZED_VO;
+    }
+
+    update_window_title(mpctx, true);
+
+    struct dec_video *d_video = talloc_zero(NULL, struct dec_video);
+    mpctx->d_video = d_video;
+    d_video->opts = mpctx->opts;
+    d_video->header = sh;
+    d_video->fps = sh->video->fps;
+    d_video->vo = mpctx->video_out;
+    mpctx->initialized_flags |= INITIALIZED_VCODEC;
+
+    vo_control(mpctx->video_out, VOCTRL_GET_HWDEC_INFO, &d_video->hwdec_info);
+
+    if (stream_control(sh->demuxer->stream, STREAM_CTRL_GET_ASPECT_RATIO, &ar)
+            != STREAM_UNSUPPORTED)
+        d_video->stream_aspect = ar;
+
+    recreate_video_filters(mpctx);
+
+    if (!video_init_best_codec(d_video, opts->video_decoders))
+        goto err_out;
+
+    bool saver_state = opts->pause || !opts->stop_screensaver;
+    vo_control(mpctx->video_out, saver_state ? VOCTRL_RESTORE_SCREENSAVER
+                                             : VOCTRL_KILL_SCREENSAVER, NULL);
+
+    vo_control(mpctx->video_out, mpctx->paused ? VOCTRL_PAUSE
+                                               : VOCTRL_RESUME, NULL);
+
+    mpctx->restart_playback = true;
+    mpctx->sync_audio_to_video = !sh->attached_picture;
+    mpctx->delay = 0;
+    mpctx->video_next_pts = MP_NOPTS_VALUE;
+    mpctx->playing_last_frame = false;
+    mpctx->last_frame_duration = 0;
+    mpctx->vo_pts_history_seek_ts++;
+
+    vo_seek_reset(mpctx->video_out);
+    reset_subtitles(mpctx);
+
+    if (opts->force_fps) {
+        d_video->fps = opts->force_fps;
+        MP_INFO(mpctx, "FPS forced to be %5.3f.\n", d_video->fps);
+    }
+    if (!sh->video->fps && !opts->force_fps && !opts->correct_pts) {
+        MP_ERR(mpctx, "FPS not specified in the "
+               "header or invalid, use the -fps option.\n");
+    }
+    update_fps(mpctx);
+
+    return 1;
+
+err_out:
+no_video:
+    uninit_player(mpctx, INITIALIZED_VCODEC | (opts->force_vo ? 0 : INITIALIZED_VO));
+    cleanup_demux_stream(mpctx, STREAM_VIDEO);
+    mpctx->current_track[STREAM_VIDEO] = NULL;
+    handle_force_window(mpctx, true);
+    MP_INFO(mpctx, "Video: no video\n");
+    return 0;
+}
+
+// Try to refresh the video by doing a precise seek to the currently displayed
+// frame. This can go wrong in all sorts of ways, so use sparingly.
+void mp_force_video_refresh(struct MPContext *mpctx)
+{
+    struct MPOpts *opts = mpctx->opts;
+
+    // If not paused, the next frame should come soon enough.
+    if (opts->pause && mpctx->last_vo_pts != MP_NOPTS_VALUE)
+        queue_seek(mpctx, MPSEEK_ABSOLUTE, mpctx->last_vo_pts, 1);
+}
+
+static bool filter_output_queued_frame(struct MPContext *mpctx)
+{
+    struct dec_video *d_video = mpctx->d_video;
+    struct vo *video_out = mpctx->video_out;
+
+    struct mp_image *img = vf_output_queued_frame(d_video->vfilter);
+    if (img)
+        vo_queue_image(video_out, img);
+    talloc_free(img);
+
+    return !!img;
+}
+
+static bool load_next_vo_frame(struct MPContext *mpctx, bool eof)
+{
+    if (vo_get_buffered_frame(mpctx->video_out, eof) >= 0)
+        return true;
+    if (filter_output_queued_frame(mpctx))
+        return true;
+    return false;
+}
+
+// Called after video reinit. This can be generally used to try to insert more
+// filters using the filter chain edit functionality in command.c.
+static void init_filter_params(struct MPContext *mpctx)
+{
+    struct MPOpts *opts = mpctx->opts;
+
+    // Note that the filter chain is already initialized. This code might
+    // recreate the chain a second time, which is not very elegant, but allows
+    // us to test whether enabling deinterlacing works with the current video
+    // format and other filters.
+    if (opts->deinterlace >= 0)
+        mp_property_do("deinterlace", M_PROPERTY_SET, &opts->deinterlace, mpctx);
+}
+
+static void filter_video(struct MPContext *mpctx, struct mp_image *frame,
+                         bool reconfig_ok)
+{
+    struct dec_video *d_video = mpctx->d_video;
+
+    struct mp_image_params params;
+    mp_image_params_from_image(&params, frame);
+    if (!mp_image_params_equals(&d_video->decoder_output, &params) ||
+        d_video->vfilter->initialized < 1)
+    {
+        // In case we want to wait until filter chain is drained
+        if (!reconfig_ok) {
+            talloc_free(d_video->waiting_decoded_mpi);
+            d_video->waiting_decoded_mpi = frame;
+            return;
+        }
+
+        reconfig_video(mpctx, &params, false);
+        if (d_video->vfilter->initialized > 0)
+            init_filter_params(mpctx);
+    }
+
+    if (d_video->vfilter->initialized < 1) {
+        talloc_free(frame);
+        return;
+    }
+
+    mp_image_set_params(frame, &d_video->vf_input); // force csp/aspect overrides
+    vf_filter_frame(d_video->vfilter, frame);
+    filter_output_queued_frame(mpctx);
+}
+
+// Reconfigure the video chain and the VO on a format change. This is separate,
+// because we wait with the reconfig until the currently buffered video has
+// finished displaying. Otherwise, we'd resize the window and then wait for the
+// video finishing, which would result in a black window for that frame.
+// Does nothing if there was no pending change.
+void video_execute_format_change(struct MPContext *mpctx)
+{
+    struct dec_video *d_video = mpctx->d_video;
+    struct mp_image *decoded_frame = d_video->waiting_decoded_mpi;
+    d_video->waiting_decoded_mpi = NULL;
+    if (decoded_frame)
+        filter_video(mpctx, decoded_frame, true);
+}
+
+static int check_framedrop(struct MPContext *mpctx, double frame_time)
+{
+    struct MPOpts *opts = mpctx->opts;
+    // check for frame-drop:
+    if (mpctx->d_audio && !mpctx->ao->untimed &&
+        !demux_stream_eof(mpctx->sh[STREAM_AUDIO]))
+    {
+        float delay = opts->playback_speed * ao_get_delay(mpctx->ao);
+        float d = delay - mpctx->delay;
+        float fps = mpctx->d_video->fps;
+        if (frame_time < 0)
+            frame_time = fps > 0 ? 1.0 / fps : 0;
+        // we should avoid dropping too many frames in sequence unless we
+        // are too late. and we allow 100ms A-V delay here:
+        if (d < -mpctx->dropped_frames * frame_time - 0.100 && !mpctx->paused
+            && !mpctx->restart_playback) {
+            mpctx->drop_frame_cnt++;
+            mpctx->dropped_frames++;
+            return mpctx->opts->frame_dropping;
+        } else
+            mpctx->dropped_frames = 0;
+    }
+    return 0;
+}
+
+static double update_video_attached_pic(struct MPContext *mpctx)
+{
+    struct dec_video *d_video = mpctx->d_video;
+
+    // Try to decode the picture multiple times, until it is displayed.
+    if (mpctx->video_out->hasframe)
+        return -1;
+
+    struct mp_image *decoded_frame =
+            video_decode(d_video, d_video->header->attached_picture, 0);
+    if (decoded_frame)
+        filter_video(mpctx, decoded_frame, true);
+    load_next_vo_frame(mpctx, true);
+    mpctx->video_next_pts = MP_NOPTS_VALUE;
+    return 0;
+}
+
+double update_video(struct MPContext *mpctx, double endpts)
+{
+    struct dec_video *d_video = mpctx->d_video;
+    struct vo *video_out = mpctx->video_out;
+
+    if (d_video->header->attached_picture)
+        return update_video_attached_pic(mpctx);
+
+    if (load_next_vo_frame(mpctx, false)) {
+        // Use currently queued VO frame
+    } else if (d_video->waiting_decoded_mpi) {
+        // Draining on reconfig
+        if (!load_next_vo_frame(mpctx, true))
+            return -1;
+    } else {
+        // Decode a new frame
+        struct demux_packet *pkt = demux_read_packet(d_video->header);
+        if (pkt && pkt->pts != MP_NOPTS_VALUE)
+            pkt->pts += mpctx->video_offset;
+        if ((pkt && pkt->pts >= mpctx->hrseek_pts - .005) ||
+            d_video->has_broken_packet_pts)
+        {
+            mpctx->hrseek_framedrop = false;
+        }
+        int framedrop_type = mpctx->hrseek_active && mpctx->hrseek_framedrop ?
+                             1 : check_framedrop(mpctx, -1);
+        struct mp_image *decoded_frame =
+            video_decode(d_video, pkt, framedrop_type);
+        talloc_free(pkt);
+        if (decoded_frame) {
+            filter_video(mpctx, decoded_frame, false);
+        } else if (!pkt) {
+            if (!load_next_vo_frame(mpctx, true))
+                return -1;
+        }
+    }
+
+    // Whether the VO has an image queued.
+    // If it does, it will be used to time and display the next frame.
+    if (!video_out->frame_loaded)
+        return 0;
+
+    double pts = video_out->next_pts;
+    if (endpts == MP_NOPTS_VALUE || pts < endpts)
+        add_frame_pts(mpctx, pts);
+    if (mpctx->hrseek_active && pts < mpctx->hrseek_pts - .005) {
+        vo_skip_frame(video_out);
+        return 0;
+    }
+    mpctx->hrseek_active = false;
+    double last_pts = mpctx->video_next_pts;
+    if (last_pts == MP_NOPTS_VALUE)
+        last_pts = pts;
+    double frame_time = pts - last_pts;
+    if (frame_time < 0 || frame_time >= 60) {
+        // Assume a PTS difference >= 60 seconds is a discontinuity.
+        MP_WARN(mpctx, "Jump in video pts: %f -> %f\n", last_pts, pts);
+        frame_time = 0;
+    }
+    mpctx->video_next_pts = pts;
+    if (mpctx->d_audio)
+        mpctx->delay -= frame_time;
+    return frame_time;
+}