[FFmpeg-devel] [PATCH 1/3] fftools/ffmpeg_filter: Move some declaration to new header file

[softworkz <ffmpegagent@gmail.com>]

From: softworkz <softworkz@hotmail.com>

to allow print_graph to access the information.

Signed-off-by: softworkz <softworkz@hotmail.com>
---
 fftools/ffmpeg_filter.c | 188 +-------------------------------
 fftools/ffmpeg_filter.h | 232 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 233 insertions(+), 187 deletions(-)
 create mode 100644 fftools/ffmpeg_filter.h

diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
index 800e2a3f06..6de4e87ade 100644
--- a/fftools/ffmpeg_filter.c
+++ b/fftools/ffmpeg_filter.c
@@ -21,6 +21,7 @@
 #include <stdint.h>
 
 #include "ffmpeg.h"
+#include "ffmpeg_filter.h"
 
 #include "libavfilter/avfilter.h"
 #include "libavfilter/buffersink.h"
@@ -42,44 +43,6 @@
 // FIXME private header, used for mid_pred()
 #include "libavcodec/mathops.h"
 
-typedef struct FilterGraphPriv {
-    FilterGraph      fg;
-
-    // name used for logging
-    char             log_name[32];
-
-    int              is_simple;
-    // true when the filtergraph contains only meta filters
-    // that do not modify the frame data
-    int              is_meta;
-    // source filters are present in the graph
-    int              have_sources;
-    int              disable_conversions;
-
-    unsigned         nb_outputs_done;
-
-    const char      *graph_desc;
-
-    int              nb_threads;
-
-    // frame for temporarily holding output from the filtergraph
-    AVFrame         *frame;
-    // frame for sending output to the encoder
-    AVFrame         *frame_enc;
-
-    Scheduler       *sch;
-    unsigned         sch_idx;
-} FilterGraphPriv;
-
-static FilterGraphPriv *fgp_from_fg(FilterGraph *fg)
-{
-    return (FilterGraphPriv*)fg;
-}
-
-static const FilterGraphPriv *cfgp_from_cfg(const FilterGraph *fg)
-{
-    return (const FilterGraphPriv*)fg;
-}
 
 // data that is local to the filter thread and not visible outside of it
 typedef struct FilterGraphThread {
@@ -102,155 +65,6 @@ typedef struct FilterGraphThread {
     uint8_t         *eof_out;
 } FilterGraphThread;
 
-typedef struct InputFilterPriv {
-    InputFilter         ifilter;
-
-    InputFilterOptions  opts;
-
-    int                 index;
-
-    AVFilterContext    *filter;
-
-    // used to hold submitted input
-    AVFrame            *frame;
-
-    /* for filters that are not yet bound to an input stream,
-     * this stores the input linklabel, if any */
-    uint8_t            *linklabel;
-
-    // filter data type
-    enum AVMediaType    type;
-    // source data type: AVMEDIA_TYPE_SUBTITLE for sub2video,
-    // same as type otherwise
-    enum AVMediaType    type_src;
-
-    int                 eof;
-    int                 bound;
-
-    // parameters configured for this input
-    int                 format;
-
-    int                 width, height;
-    AVRational          sample_aspect_ratio;
-    enum AVColorSpace   color_space;
-    enum AVColorRange   color_range;
-
-    int                 sample_rate;
-    AVChannelLayout     ch_layout;
-
-    AVRational          time_base;
-
-    AVFrameSideData   **side_data;
-    int                 nb_side_data;
-
-    AVFifo             *frame_queue;
-
-    AVBufferRef        *hw_frames_ctx;
-
-    int                 displaymatrix_present;
-    int                 displaymatrix_applied;
-    int32_t             displaymatrix[9];
-
-    int                 downmixinfo_present;
-    AVDownmixInfo       downmixinfo;
-
-    struct {
-        AVFrame *frame;
-
-        int64_t last_pts;
-        int64_t end_pts;
-
-        ///< marks if sub2video_update should force an initialization
-        unsigned int initialize;
-    } sub2video;
-} InputFilterPriv;
-
-static InputFilterPriv *ifp_from_ifilter(InputFilter *ifilter)
-{
-    return (InputFilterPriv*)ifilter;
-}
-
-typedef struct FPSConvContext {
-    AVFrame          *last_frame;
-    /* number of frames emitted by the video-encoding sync code */
-    int64_t           frame_number;
-    /* history of nb_frames_prev, i.e. the number of times the
-     * previous frame was duplicated by vsync code in recent
-     * do_video_out() calls */
-    int64_t           frames_prev_hist[3];
-
-    uint64_t          dup_warning;
-
-    int               last_dropped;
-    int               dropped_keyframe;
-
-    enum VideoSyncMethod vsync_method;
-
-    AVRational        framerate;
-    AVRational        framerate_max;
-    const AVRational *framerate_supported;
-    int               framerate_clip;
-} FPSConvContext;
-
-typedef struct OutputFilterPriv {
-    OutputFilter            ofilter;
-
-    int                     index;
-
-    void                   *log_parent;
-    char                    log_name[32];
-
-    char                   *name;
-
-    AVFilterContext        *filter;
-
-    /* desired output stream properties */
-    int                     format;
-    int                     width, height;
-    int                     sample_rate;
-    AVChannelLayout         ch_layout;
-    enum AVColorSpace       color_space;
-    enum AVColorRange       color_range;
-
-    AVFrameSideData       **side_data;
-    int                     nb_side_data;
-
-    // time base in which the output is sent to our downstream
-    // does not need to match the filtersink's timebase
-    AVRational              tb_out;
-    // at least one frame with the above timebase was sent
-    // to our downstream, so it cannot change anymore
-    int                     tb_out_locked;
-
-    AVRational              sample_aspect_ratio;
-
-    AVDictionary           *sws_opts;
-    AVDictionary           *swr_opts;
-
-    // those are only set if no format is specified and the encoder gives us multiple options
-    // They point directly to the relevant lists of the encoder.
-    const int              *formats;
-    const AVChannelLayout  *ch_layouts;
-    const int              *sample_rates;
-    const enum AVColorSpace *color_spaces;
-    const enum AVColorRange *color_ranges;
-
-    AVRational              enc_timebase;
-    int64_t                 trim_start_us;
-    int64_t                 trim_duration_us;
-    // offset for output timestamps, in AV_TIME_BASE_Q
-    int64_t                 ts_offset;
-    int64_t                 next_pts;
-    FPSConvContext          fps;
-
-    unsigned                flags;
-} OutputFilterPriv;
-
-static OutputFilterPriv *ofp_from_ofilter(OutputFilter *ofilter)
-{
-    return (OutputFilterPriv*)ofilter;
-}
-
 typedef struct FilterCommand {
     char *target;
     char *command;
diff --git a/fftools/ffmpeg_filter.h b/fftools/ffmpeg_filter.h
new file mode 100644
index 0000000000..628d272bcd
--- /dev/null
+++ b/fftools/ffmpeg_filter.h
@@ -0,0 +1,232 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef FFTOOLS_FFMPEG_FILTER_H
+#define FFTOOLS_FFMPEG_FILTER_H
+
+#include "ffmpeg.h"
+
+#include <stdint.h>
+
+#include "ffmpeg_sched.h"
+#include "sync_queue.h"
+
+#include "libavfilter/avfilter.h"
+
+#include "libavutil/avutil.h"
+#include "libavutil/dict.h"
+#include "libavutil/fifo.h"
+#include "libavutil/pixfmt.h"
+#include "libavutil/rational.h"
+#include "libavutil/bprint.h"
+#include "libavutil/channel_layout.h"
+#include "libavutil/downmix_info.h"
+
+typedef struct FilterGraphPriv {
+    FilterGraph      fg;
+
+    // name used for logging
+    char             log_name[32];
+
+    int              is_simple;
+    // true when the filtergraph contains only meta filters
+    // that do not modify the frame data
+    int              is_meta;
+    // source filters are present in the graph
+    int              have_sources;
+    int              disable_conversions;
+
+    unsigned         nb_outputs_done;
+
+    const char      *graph_desc;
+
+    int              nb_threads;
+
+    // frame for temporarily holding output from the filtergraph
+    AVFrame         *frame;
+    // frame for sending output to the encoder
+    AVFrame         *frame_enc;
+
+    Scheduler       *sch;
+    unsigned         sch_idx;
+
+    AVBPrint graph_print_buf;
+
+} FilterGraphPriv;
+
+static FilterGraphPriv *fgp_from_fg(FilterGraph *fg)
+{
+    return (FilterGraphPriv*)fg;
+}
+
+static const FilterGraphPriv *cfgp_from_cfg(const FilterGraph *fg)
+{
+    return (const FilterGraphPriv*)fg;
+}
+
+typedef struct InputFilterPriv {
+    InputFilter         ifilter;
+
+    InputFilterOptions  opts;
+
+    int                 index;
+
+    AVFilterContext    *filter;
+
+    // used to hold submitted input
+    AVFrame            *frame;
+
+    /* for filters that are not yet bound to an input stream,
+     * this stores the input linklabel, if any */
+    uint8_t            *linklabel;
+
+    // filter data type
+    enum AVMediaType    type;
+    // source data type: AVMEDIA_TYPE_SUBTITLE for sub2video,
+    // same as type otherwise
+    enum AVMediaType    type_src;
+
+    int                 eof;
+    int                 bound;
+
+    // parameters configured for this input
+    int                 format;
+
+    int                 width, height;
+    AVRational          sample_aspect_ratio;
+    enum AVColorSpace   color_space;
+    enum AVColorRange   color_range;
+
+    int                 sample_rate;
+    AVChannelLayout     ch_layout;
+
+    AVRational          time_base;
+
+    AVFrameSideData   **side_data;
+    int                 nb_side_data;
+
+    AVFifo             *frame_queue;
+
+    AVBufferRef        *hw_frames_ctx;
+
+    int                 displaymatrix_present;
+    int                 displaymatrix_applied;
+    int32_t             displaymatrix[9];
+
+    int                 downmixinfo_present;
+    AVDownmixInfo       downmixinfo;
+
+    struct {
+        AVFrame *frame;
+
+        int64_t last_pts;
+        int64_t end_pts;
+
+        ///< marks if sub2video_update should force an initialization
+        unsigned int initialize;
+    } sub2video;
+} InputFilterPriv;
+
+static InputFilterPriv *ifp_from_ifilter(InputFilter *ifilter)
+{
+    return (InputFilterPriv*)ifilter;
+}
+
+typedef struct FPSConvContext {
+    AVFrame          *last_frame;
+    /* number of frames emitted by the video-encoding sync code */
+    int64_t           frame_number;
+    /* history of nb_frames_prev, i.e. the number of times the
+     * previous frame was duplicated by vsync code in recent
+     * do_video_out() calls */
+    int64_t           frames_prev_hist[3];
+
+    uint64_t          dup_warning;
+
+    int               last_dropped;
+    int               dropped_keyframe;
+
+    enum VideoSyncMethod vsync_method;
+
+    AVRational        framerate;
+    AVRational        framerate_max;
+    const AVRational *framerate_supported;
+    int               framerate_clip;
+} FPSConvContext;
+
+
+typedef struct OutputFilterPriv {
+    OutputFilter            ofilter;
+
+    int                     index;
+
+    void                   *log_parent;
+    char                    log_name[32];
+
+    char                   *name;
+
+    AVFilterContext        *filter;
+
+    /* desired output stream properties */
+    int                     format;
+    int                     width, height;
+    int                     sample_rate;
+    AVChannelLayout         ch_layout;
+    enum AVColorSpace       color_space;
+    enum AVColorRange       color_range;
+
+    AVFrameSideData       **side_data;
+    int                     nb_side_data;
+
+    // time base in which the output is sent to our downstream
+    // does not need to match the filtersink's timebase
+    AVRational              tb_out;
+    // at least one frame with the above timebase was sent
+    // to our downstream, so it cannot change anymore
+    int                     tb_out_locked;
+
+    AVRational              sample_aspect_ratio;
+
+    AVDictionary           *sws_opts;
+    AVDictionary           *swr_opts;
+
+    // those are only set if no format is specified and the encoder gives us multiple options
+    // They point directly to the relevant lists of the encoder.
+    const int              *formats;
+    const AVChannelLayout  *ch_layouts;
+    const int              *sample_rates;
+    const enum AVColorSpace *color_spaces;
+    const enum AVColorRange *color_ranges;
+
+    AVRational              enc_timebase;
+    int64_t                 trim_start_us;
+    int64_t                 trim_duration_us;
+    // offset for output timestamps, in AV_TIME_BASE_Q
+    int64_t                 ts_offset;
+    int64_t                 next_pts;
+    FPSConvContext          fps;
+
+    unsigned                flags;
+} OutputFilterPriv;
+
+static OutputFilterPriv *ofp_from_ofilter(OutputFilter *ofilter)
+{
+    return (OutputFilterPriv*)ofilter;
+}
+
+#endif /* FFTOOLS_FFMPEG_FILTER_H */
-- 
ffmpeg-codebot

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