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-rw-r--r--player/video.c422
1 files changed, 422 insertions, 0 deletions
diff --git a/player/video.c b/player/video.c
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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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 21:18:25 +0000