From e44911142914783c9ec717f329bd9b6a8bb9b70e Mon Sep 17 00:00:00 2001 From: wm4 Date: Tue, 17 Dec 2013 00:53:22 +0100 Subject: Move mpvcore/player/ to player/ --- player/video.c | 422 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 422 insertions(+) create mode 100644 player/video.c (limited to 'player/video.c') 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 +#include +#include +#include +#include + +#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(¶ms, frame); + if (!mp_image_params_equals(&d_video->decoder_output, ¶ms) || + 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, ¶ms, 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; +} -- cgit v1.2.3