mirror of https://github.com/mpv-player/mpv
565 lines
16 KiB
C
565 lines
16 KiB
C
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#include "common/global.h"
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#include "options/m_config.h"
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#include "options/m_option.h"
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#include "video/out/vo.h"
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#include "filter_internal.h"
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#include "f_autoconvert.h"
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#include "f_auto_filters.h"
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#include "f_lavfi.h"
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#include "f_output_chain.h"
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#include "f_utils.h"
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#include "user_filters.h"
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struct chain {
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struct mp_filter *f;
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struct mp_log *log;
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enum mp_output_chain_type type;
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// Expected media type.
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enum mp_frame_type frame_type;
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struct mp_stream_info stream_info;
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struct mp_user_filter **pre_filters;
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int num_pre_filters;
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struct mp_user_filter **post_filters;
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int num_post_filters;
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struct mp_user_filter **user_filters;
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int num_user_filters;
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// Concatentated list of pre+user+post filters.
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struct mp_user_filter **all_filters;
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int num_all_filters;
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// First input/last output of all_filters[].
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struct mp_pin *filters_in, *filters_out;
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struct mp_user_filter *input, *output;
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struct mp_autoconvert *convert;
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struct vo *vo;
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struct mp_output_chain public;
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};
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// This wraps each individual "actual" filter for:
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// - isolating against its failure (logging it and disabling the filter)
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// - tracking its output format (mostly for logging)
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// - store extra per-filter information like the filter label
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struct mp_user_filter {
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struct chain *p;
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struct mp_filter *wrapper; // parent filter for f
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struct mp_filter *f; // the actual user filter
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struct m_obj_settings *args; // NULL, or list of 1 item with creation args
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char *label;
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bool generated_label;
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char *name;
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bool is_output_converter;
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bool is_input;
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struct mp_image_params last_out_params;
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bool failed;
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bool error_eof_sent;
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};
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static void update_output_caps(struct chain *p)
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{
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if (p->type != MP_OUTPUT_CHAIN_VIDEO)
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return;
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mp_autoconvert_clear(p->convert);
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if (p->vo) {
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uint8_t allowed_output_formats[IMGFMT_END - IMGFMT_START] = {0};
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vo_query_formats(p->vo, allowed_output_formats);
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for (int n = 0; n < MP_ARRAY_SIZE(allowed_output_formats); n++) {
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if (allowed_output_formats[n])
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mp_autoconvert_add_imgfmt(p->convert, IMGFMT_START + n, 0);
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}
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if (p->vo->hwdec_devs)
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mp_autoconvert_add_vo_hwdec_subfmts(p->convert, p->vo->hwdec_devs);
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}
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}
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static bool check_out_format_change(struct mp_user_filter *u,
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struct mp_frame frame)
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{
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struct chain *p = u->p;
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bool changed = false;
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if (frame.type == MP_FRAME_VIDEO) {
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struct mp_image *img = frame.data;
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if (!mp_image_params_equal(&img->params, &u->last_out_params)) {
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MP_VERBOSE(p, "[%s] %s\n", u->name,
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mp_image_params_to_str(&img->params));
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u->last_out_params = img->params;
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if (u->is_input) {
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p->public.input_params = img->params;
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// Unfortunately there's no good place to update these.
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// But a common case is enabling HW decoding, which
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// might init some support of them in the VO, and update
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// the VO's format list.
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update_output_caps(p);
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} else if (u->is_output_converter) {
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p->public.output_params = img->params;
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}
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p->public.reconfig_happened = true;
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changed = true;
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}
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}
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return changed;
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}
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static void process_user(struct mp_filter *f)
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{
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struct mp_user_filter *u = f->priv;
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struct chain *p = u->p;
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mp_filter_set_error_handler(u->f, f);
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const char *name = u->label ? u->label : u->name;
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assert(u->name);
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if (!u->failed && mp_filter_has_failed(u->f)) {
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if (u->is_output_converter) {
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// This is a fuckup we can't ignore.
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MP_FATAL(p, "Cannot convert decoder/filter output to any format "
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"supported by the output.\n");
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p->public.failed_output_conversion = true;
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mp_filter_wakeup(p->f);
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} else {
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MP_ERR(p, "Disabling filter %s because it has failed.\n", name);
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mp_filter_reset(u->f); // clear out staled buffered data
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}
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u->failed = true;
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}
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if (u->failed) {
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if (u->is_output_converter) {
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if (mp_pin_in_needs_data(f->ppins[1])) {
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if (!u->error_eof_sent)
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mp_pin_in_write(f->ppins[1], MP_EOF_FRAME);
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u->error_eof_sent = true;
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}
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return;
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}
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mp_pin_transfer_data(f->ppins[1], f->ppins[0]);
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return;
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}
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mp_pin_transfer_data(u->f->pins[0], f->ppins[0]);
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if (mp_pin_can_transfer_data(f->ppins[1], u->f->pins[1])) {
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struct mp_frame frame = mp_pin_out_read(u->f->pins[1]);
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check_out_format_change(u, frame);
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mp_pin_in_write(f->ppins[1], frame);
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}
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}
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static void reset_user(struct mp_filter *f)
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{
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struct mp_user_filter *u = f->priv;
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u->error_eof_sent = false;
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}
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static void destroy_user(struct mp_filter *f)
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{
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struct mp_user_filter *u = f->priv;
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struct m_option dummy = {.type = &m_option_type_obj_settings_list};
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m_option_free(&dummy, &u->args);
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mp_filter_free_children(f);
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}
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static const struct mp_filter_info user_wrapper_filter = {
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.name = "user_filter_wrapper",
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.priv_size = sizeof(struct mp_user_filter),
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.process = process_user,
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.reset = reset_user,
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.destroy = destroy_user,
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};
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static struct mp_user_filter *create_wrapper_filter(struct chain *p)
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{
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struct mp_filter *f = mp_filter_create(p->f, &user_wrapper_filter);
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if (!f)
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abort();
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struct mp_user_filter *wrapper = f->priv;
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wrapper->wrapper = f;
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wrapper->p = p;
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mp_filter_add_pin(f, MP_PIN_IN, "in");
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mp_filter_add_pin(f, MP_PIN_OUT, "out");
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return wrapper;
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}
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// Rebuild p->all_filters and relink the filters. Non-destructive if no change.
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static void relink_filter_list(struct chain *p)
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{
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struct mp_user_filter **all_filters[3] =
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{p->pre_filters, p->user_filters, p->post_filters};
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int all_filters_num[3] =
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{p->num_pre_filters, p->num_user_filters, p->num_post_filters};
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p->num_all_filters = 0;
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for (int n = 0; n < 3; n++) {
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struct mp_user_filter **filters = all_filters[n];
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int filters_num = all_filters_num[n];
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for (int i = 0; i < filters_num; i++)
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MP_TARRAY_APPEND(p, p->all_filters, p->num_all_filters, filters[i]);
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}
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assert(p->num_all_filters > 0);
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p->filters_in = NULL;
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p->filters_out = NULL;
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for (int n = 0; n < p->num_all_filters; n++) {
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struct mp_filter *f = p->all_filters[n]->wrapper;
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if (n == 0)
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p->filters_in = f->pins[0];
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if (p->filters_out)
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mp_pin_connect(f->pins[0], p->filters_out);
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p->filters_out = f->pins[1];
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}
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}
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static void process(struct mp_filter *f)
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{
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struct chain *p = f->priv;
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if (mp_pin_can_transfer_data(p->filters_in, f->ppins[0])) {
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struct mp_frame frame = mp_pin_out_read(f->ppins[0]);
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if (frame.type == MP_FRAME_EOF) {
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MP_VERBOSE(p, "filter input EOF\n");
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p->public.got_input_eof = true;
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}
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mp_pin_in_write(p->filters_in, frame);
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}
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if (mp_pin_can_transfer_data(f->ppins[1], p->filters_out)) {
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struct mp_frame frame = mp_pin_out_read(p->filters_out);
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if (frame.type == MP_FRAME_EOF) {
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MP_VERBOSE(p, "filter output EOF\n");
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p->public.got_output_eof = true;
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}
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mp_pin_in_write(f->ppins[1], frame);
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}
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}
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static void reset(struct mp_filter *f)
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{
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struct chain *p = f->priv;
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p->public.got_input_eof = false;
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p->public.got_output_eof = false;
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}
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void mp_output_chain_reset_harder(struct mp_output_chain *c)
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{
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struct chain *p = c->f->priv;
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mp_filter_reset(p->f);
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p->public.failed_output_conversion = false;
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for (int n = 0; n < p->num_all_filters; n++)
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p->all_filters[n]->failed = false;
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}
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static void destroy(struct mp_filter *f)
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{
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reset(f);
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}
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static const struct mp_filter_info output_chain_filter = {
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.name = "output_chain",
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.priv_size = sizeof(struct chain),
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.process = process,
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.reset = reset,
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.destroy = destroy,
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};
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static double get_display_fps(struct mp_stream_info *i)
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{
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struct chain *p = i->priv;
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double res = 0;
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if (p->vo)
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vo_control(p->vo, VOCTRL_GET_DISPLAY_FPS, &res);
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return res;
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}
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static double get_container_fps(struct mp_stream_info *i)
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{
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struct chain *p = i->priv;
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return p->public.container_fps;
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}
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void mp_output_chain_set_vo(struct mp_output_chain *c, struct vo *vo)
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{
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struct chain *p = c->f->priv;
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p->stream_info.hwdec_devs = vo ? vo->hwdec_devs : NULL;
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p->stream_info.osd = vo ? vo->osd : NULL;
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p->stream_info.rotate90 = vo ? vo->driver->caps & VO_CAP_ROTATE90 : false;
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p->vo = vo;
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update_output_caps(p);
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}
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static struct mp_user_filter *find_by_label(struct chain *p, const char *label)
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{
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for (int n = 0; n < p->num_user_filters; n++) {
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struct mp_user_filter *u = p->user_filters[n];
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if (label && u->label && strcmp(label, u->label) == 0)
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return u;
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}
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return NULL;
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}
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bool mp_output_chain_command(struct mp_output_chain *c, const char *target,
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struct mp_filter_command *cmd)
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{
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struct chain *p = c->f->priv;
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if (!target || !target[0])
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return false;
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if (strcmp(target, "all") == 0 && cmd->type == MP_FILTER_COMMAND_TEXT) {
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// (Following old semantics.)
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for (int n = 0; n < p->num_user_filters; n++)
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mp_filter_command(p->user_filters[n]->f, cmd);
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return true;
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}
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struct mp_user_filter *f = find_by_label(p, target);
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if (!f)
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return false;
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return mp_filter_command(f->f, cmd);
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}
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static bool compare_filter(struct m_obj_settings *a, struct m_obj_settings *b)
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{
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if (a == b || !a || !b)
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return a == b;
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if (!a->name || !b->name)
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return a->name == b->name;
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if (!!a->label != !!b->label || (a->label && strcmp(a->label, b->label) != 0))
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return false;
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if (a->enabled != b->enabled)
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return false;
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if (!a->attribs || !a->attribs[0])
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return !b->attribs || !b->attribs[0];
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for (int n = 0; a->attribs[n] || b->attribs[n]; n++) {
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if (!a->attribs[n] || !b->attribs[n])
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return false;
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if (strcmp(a->attribs[n], b->attribs[n]) != 0)
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return false;
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}
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return true;
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}
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bool mp_output_chain_update_filters(struct mp_output_chain *c,
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struct m_obj_settings *list)
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{
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struct chain *p = c->f->priv;
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struct mp_user_filter **add = NULL; // new filters
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int num_add = 0;
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struct mp_user_filter **res = NULL; // new final list
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int num_res = 0;
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bool *used = talloc_zero_array(NULL, bool, p->num_user_filters);
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for (int n = 0; list && list[n].name; n++) {
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struct m_obj_settings *entry = &list[n];
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if (!entry->enabled)
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continue;
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struct mp_user_filter *u = NULL;
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for (int i = 0; i < p->num_user_filters; i++) {
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if (!used[i] && compare_filter(entry, p->user_filters[i]->args)) {
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u = p->user_filters[i];
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used[i] = true;
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break;
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}
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}
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if (!u) {
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u = create_wrapper_filter(p);
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u->name = talloc_strdup(u, entry->name);
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u->label = talloc_strdup(u, entry->label);
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u->f = mp_create_user_filter(u->wrapper, p->type, entry->name,
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entry->attribs);
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if (!u->f) {
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talloc_free(u->wrapper);
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goto error;
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}
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struct m_obj_settings *args = (struct m_obj_settings[2]){*entry, {0}};
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struct m_option dummy = {.type = &m_option_type_obj_settings_list};
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m_option_copy(&dummy, &u->args, &args);
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MP_TARRAY_APPEND(NULL, add, num_add, u);
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}
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MP_TARRAY_APPEND(p, res, num_res, u);
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}
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// At this point we definitely know we'll use the new list, so clean up.
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||
|
|
||
|
for (int n = 0; n < p->num_user_filters; n++) {
|
||
|
if (!used[n])
|
||
|
talloc_free(p->user_filters[n]->wrapper);
|
||
|
}
|
||
|
|
||
|
talloc_free(p->user_filters);
|
||
|
p->user_filters = res;
|
||
|
p->num_user_filters = num_res;
|
||
|
|
||
|
relink_filter_list(p);
|
||
|
|
||
|
for (int n = 0; n < p->num_user_filters; n++) {
|
||
|
struct mp_user_filter *u = p->user_filters[n];
|
||
|
if (u->generated_label)
|
||
|
TA_FREEP(&u->label);
|
||
|
if (!u->label) {
|
||
|
for (int i = 0; i < 100; i++) {
|
||
|
char *label = mp_tprintf(80, "%s.%02d", u->name, i);
|
||
|
if (!find_by_label(p, label)) {
|
||
|
u->label = talloc_strdup(u, label);
|
||
|
u->generated_label = true;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
MP_VERBOSE(p, "User filter list:\n");
|
||
|
for (int n = 0; n < p->num_user_filters; n++) {
|
||
|
struct mp_user_filter *u = p->user_filters[n];
|
||
|
MP_VERBOSE(p, " %s (%s)\n", u->name, u->label ? u->label : "-");
|
||
|
}
|
||
|
if (!p->num_user_filters)
|
||
|
MP_VERBOSE(p, " (empty)\n");
|
||
|
|
||
|
// Filters can load hwdec interops, which might add new formats.
|
||
|
update_output_caps(p);
|
||
|
|
||
|
mp_filter_wakeup(p->f);
|
||
|
|
||
|
talloc_free(add);
|
||
|
talloc_free(used);
|
||
|
return true;
|
||
|
|
||
|
error:
|
||
|
for (int n = 0; n < num_add; n++)
|
||
|
talloc_free(add[n]);
|
||
|
talloc_free(add);
|
||
|
talloc_free(used);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
static void create_video_things(struct chain *p)
|
||
|
{
|
||
|
p->frame_type = MP_FRAME_VIDEO;
|
||
|
|
||
|
p->stream_info.priv = p;
|
||
|
p->stream_info.get_display_fps = get_display_fps;
|
||
|
p->stream_info.get_container_fps = get_container_fps;
|
||
|
|
||
|
p->f->stream_info = &p->stream_info;
|
||
|
|
||
|
struct mp_user_filter *f = create_wrapper_filter(p);
|
||
|
f->name = "userdeint";
|
||
|
f->f = mp_deint_create(f->wrapper);
|
||
|
if (!f->f)
|
||
|
abort();
|
||
|
MP_TARRAY_APPEND(p, p->pre_filters, p->num_pre_filters, f);
|
||
|
|
||
|
f = create_wrapper_filter(p);
|
||
|
f->name = "autorotate";
|
||
|
f->f = mp_autorotate_create(f->wrapper);
|
||
|
if (!f->f)
|
||
|
abort();
|
||
|
MP_TARRAY_APPEND(p, p->post_filters, p->num_post_filters, f);
|
||
|
}
|
||
|
|
||
|
struct mp_output_chain *mp_output_chain_create(struct mp_filter *parent,
|
||
|
enum mp_output_chain_type type)
|
||
|
{
|
||
|
struct mp_filter *f = mp_filter_create(parent, &output_chain_filter);
|
||
|
if (!f)
|
||
|
return NULL;
|
||
|
|
||
|
mp_filter_add_pin(f, MP_PIN_IN, "in");
|
||
|
mp_filter_add_pin(f, MP_PIN_OUT, "out");
|
||
|
|
||
|
const char *log_name = NULL;
|
||
|
switch (type) {
|
||
|
case MP_OUTPUT_CHAIN_VIDEO: log_name = "!vf"; break;
|
||
|
}
|
||
|
if (log_name)
|
||
|
f->log = mp_log_new(f, parent->global->log, log_name);
|
||
|
|
||
|
struct chain *p = f->priv;
|
||
|
p->f = f;
|
||
|
p->log = f->log;
|
||
|
p->type = type;
|
||
|
|
||
|
struct mp_output_chain *c = &p->public;
|
||
|
c->f = f;
|
||
|
|
||
|
// Dummy filter for reporting and logging the input format.
|
||
|
p->input = create_wrapper_filter(p);
|
||
|
p->input->f = mp_bidir_nop_filter_create(p->input->wrapper);
|
||
|
if (!p->input->f)
|
||
|
abort();
|
||
|
p->input->name = "in";
|
||
|
p->input->is_input = true;
|
||
|
MP_TARRAY_APPEND(p, p->pre_filters, p->num_pre_filters, p->input);
|
||
|
|
||
|
switch (type) {
|
||
|
case MP_OUTPUT_CHAIN_VIDEO: create_video_things(p); break;
|
||
|
}
|
||
|
|
||
|
p->output = create_wrapper_filter(p);
|
||
|
p->convert = mp_autoconvert_create(p->output->wrapper);
|
||
|
if (!p->convert)
|
||
|
abort();
|
||
|
p->output->name = "convert";
|
||
|
p->output->is_output_converter = true;
|
||
|
p->output->f = p->convert->f;
|
||
|
MP_TARRAY_APPEND(p, p->post_filters, p->num_post_filters, p->output);
|
||
|
|
||
|
relink_filter_list(p);
|
||
|
|
||
|
reset(f);
|
||
|
|
||
|
return c;
|
||
|
}
|