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screencast: use spa-pod-dynamic

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This commit is contained in:
vaxerski 2023-04-14 17:22:16 +01:00
parent 78dee83d77
commit 7fc2e78581
1 changed files with 44 additions and 19 deletions
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63
src/screencast/pipewire_screencast.c
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@ -5,6 +5,7 @@
#include <spa/param/props.h> #include <spa/param/props.h>
#include <spa/param/format-utils.h> #include <spa/param/format-utils.h>
#include <spa/param/video/format-utils.h> #include <spa/param/video/format-utils.h>
#include <spa/pod/dynamic.h>
#include <sys/mman.h> #include <sys/mman.h>
#include <unistd.h> #include <unistd.h>
#include <assert.h> #include <assert.h>
@ -139,7 +140,7 @@ static bool build_modifierlist(struct xdpw_screencast_instance *cast,
return ret; return ret;
} }
static uint32_t build_formats(struct spa_pod_builder *b, struct xdpw_screencast_instance *cast, static uint32_t build_formats(struct spa_pod_builder *b[static 2], struct xdpw_screencast_instance *cast,
const struct spa_pod *params[static 2]) { const struct spa_pod *params[static 2]) {
uint32_t param_count; uint32_t param_count;
uint32_t modifier_count; uint32_t modifier_count;
@ -148,17 +149,20 @@ static uint32_t build_formats(struct spa_pod_builder *b, struct xdpw_screencast_
if (!cast->avoid_dmabufs && if (!cast->avoid_dmabufs &&
build_modifierlist(cast, cast->screencopy_frame_info[DMABUF].format, &modifiers, &modifier_count) && modifier_count > 0) { build_modifierlist(cast, cast->screencopy_frame_info[DMABUF].format, &modifiers, &modifier_count) && modifier_count > 0) {
param_count = 2; param_count = 2;
params[0] = build_format(b, xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[DMABUF].format), params[0] = build_format(b[0], xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[DMABUF].format),
cast->screencopy_frame_info[DMABUF].width, cast->screencopy_frame_info[DMABUF].height, cast->framerate, cast->screencopy_frame_info[DMABUF].width, cast->screencopy_frame_info[DMABUF].height, cast->framerate,
modifiers, modifier_count); modifiers, modifier_count);
params[1] = build_format(b, xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[WL_SHM].format), assert(params[0] != NULL);
params[1] = build_format(b[1], xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[WL_SHM].format),
cast->screencopy_frame_info[WL_SHM].width, cast->screencopy_frame_info[WL_SHM].height, cast->framerate, cast->screencopy_frame_info[WL_SHM].width, cast->screencopy_frame_info[WL_SHM].height, cast->framerate,
NULL, 0); NULL, 0);
assert(params[1] != NULL);
} else { } else {
param_count = 1; param_count = 1;
params[0] = build_format(b, xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[WL_SHM].format), params[0] = build_format(b[0], xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[WL_SHM].format),
cast->screencopy_frame_info[WL_SHM].width, cast->screencopy_frame_info[WL_SHM].height, cast->framerate, cast->screencopy_frame_info[WL_SHM].width, cast->screencopy_frame_info[WL_SHM].height, cast->framerate,
NULL, 0); NULL, 0);
assert(params[0] != NULL);
} }
free(modifiers); free(modifiers);
return param_count; return param_count;
@ -196,9 +200,8 @@ static void pwr_handle_stream_param_changed(void *data, uint32_t id,
logprint(TRACE, "pipewire: stream parameters changed"); logprint(TRACE, "pipewire: stream parameters changed");
struct xdpw_screencast_instance *cast = data; struct xdpw_screencast_instance *cast = data;
struct pw_stream *stream = cast->stream; struct pw_stream *stream = cast->stream;
uint8_t params_buffer[1024]; uint8_t params_buffer[3][1024];
struct spa_pod_builder b = struct spa_pod_dynamic_builder b[3];
SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer));
const struct spa_pod *params[3]; const struct spa_pod *params[3];
uint32_t blocks; uint32_t blocks;
uint32_t data_type; uint32_t data_type;
@ -207,6 +210,10 @@ static void pwr_handle_stream_param_changed(void *data, uint32_t id,
return; return;
} }
spa_pod_dynamic_builder_init(&b[0], params_buffer[0], sizeof(params_buffer[0]), 2048);
spa_pod_dynamic_builder_init(&b[1], params_buffer[1], sizeof(params_buffer[1]), 2048);
spa_pod_dynamic_builder_init(&b[2], params_buffer[2], sizeof(params_buffer[2]), 2048);
spa_format_video_raw_parse(param, &cast->pwr_format); spa_format_video_raw_parse(param, &cast->pwr_format);
cast->framerate = (uint32_t)(cast->pwr_format.max_framerate.num / cast->pwr_format.max_framerate.denom); cast->framerate = (uint32_t)(cast->pwr_format.max_framerate.num / cast->pwr_format.max_framerate.denom);
@ -224,6 +231,7 @@ static void pwr_handle_stream_param_changed(void *data, uint32_t id,
uint32_t flags = GBM_BO_USE_RENDERING; uint32_t flags = GBM_BO_USE_RENDERING;
uint64_t modifier; uint64_t modifier;
uint32_t n_params; uint32_t n_params;
struct spa_pod_builder *builder[2] = {&b[0].b, &b[1].b};
struct gbm_bo *bo = gbm_bo_create_with_modifiers2(cast->ctx->gbm, struct gbm_bo *bo = gbm_bo_create_with_modifiers2(cast->ctx->gbm,
cast->screencopy_frame_info[cast->buffer_type].width, cast->screencopy_frame_info[cast->buffer_type].height, cast->screencopy_frame_info[cast->buffer_type].width, cast->screencopy_frame_info[cast->buffer_type].height,
@ -260,18 +268,24 @@ static void pwr_handle_stream_param_changed(void *data, uint32_t id,
logprint(WARN, "pipewire: unable to allocate a dmabuf. Falling back to shm"); logprint(WARN, "pipewire: unable to allocate a dmabuf. Falling back to shm");
cast->avoid_dmabufs = true; cast->avoid_dmabufs = true;
n_params = build_formats(&b, cast, &params[0]); n_params = build_formats(builder, cast, &params[0]);
pw_stream_update_params(stream, params, n_params); pw_stream_update_params(stream, params, n_params);
spa_pod_dynamic_builder_clean(&b[0]);
spa_pod_dynamic_builder_clean(&b[1]);
spa_pod_dynamic_builder_clean(&b[2]);
return; return;
fixate_format: fixate_format:
params[0] = fixate_format(&b, xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[cast->buffer_type].format), params[0] = fixate_format(&b[2].b, xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info[cast->buffer_type].format),
cast->screencopy_frame_info[cast->buffer_type].width, cast->screencopy_frame_info[cast->buffer_type].height, cast->framerate, &modifier); cast->screencopy_frame_info[cast->buffer_type].width, cast->screencopy_frame_info[cast->buffer_type].height, cast->framerate, &modifier);
n_params = build_formats(&b, cast, &params[1]); n_params = build_formats(builder, cast, &params[1]);
n_params++; n_params++;
pw_stream_update_params(stream, params, n_params); pw_stream_update_params(stream, params, n_params);
spa_pod_dynamic_builder_clean(&b[0]);
spa_pod_dynamic_builder_clean(&b[1]);
spa_pod_dynamic_builder_clean(&b[2]);
return; return;
} }
@ -294,15 +308,17 @@ fixate_format:
logprint(DEBUG, "pipewire: size: (%u, %u)", cast->pwr_format.size.width, cast->pwr_format.size.height); logprint(DEBUG, "pipewire: size: (%u, %u)", cast->pwr_format.size.width, cast->pwr_format.size.height);
logprint(DEBUG, "pipewire: max_framerate: (%u / %u)", cast->pwr_format.max_framerate.num, cast->pwr_format.max_framerate.denom); logprint(DEBUG, "pipewire: max_framerate: (%u / %u)", cast->pwr_format.max_framerate.num, cast->pwr_format.max_framerate.denom);
params[0] = build_buffer(&b, blocks, cast->screencopy_frame_info[cast->buffer_type].size, params[0] = build_buffer(&b[0].b, blocks, cast->screencopy_frame_info[cast->buffer_type].size,
cast->screencopy_frame_info[cast->buffer_type].stride, data_type); cast->screencopy_frame_info[cast->buffer_type].stride, data_type);
params[1] = spa_pod_builder_add_object(&b, params[1] = spa_pod_builder_add_object(&b[1].b,
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta, SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
SPA_PARAM_META_type, SPA_POD_Id(SPA_META_Header), SPA_PARAM_META_type, SPA_POD_Id(SPA_META_Header),
SPA_PARAM_META_size, SPA_POD_Int(sizeof(struct spa_meta_header))); SPA_PARAM_META_size, SPA_POD_Int(sizeof(struct spa_meta_header)));
pw_stream_update_params(stream, params, 2); pw_stream_update_params(stream, params, 2);
spa_pod_dynamic_builder_clean(&b[0]);
spa_pod_dynamic_builder_clean(&b[1]);
} }
static void pwr_handle_stream_add_buffer(void *data, struct pw_buffer *buffer) { static void pwr_handle_stream_add_buffer(void *data, struct pw_buffer *buffer) {
@ -456,14 +472,18 @@ done:
void pwr_update_stream_param(struct xdpw_screencast_instance *cast) { void pwr_update_stream_param(struct xdpw_screencast_instance *cast) {
logprint(TRACE, "pipewire: stream update parameters"); logprint(TRACE, "pipewire: stream update parameters");
struct pw_stream *stream = cast->stream; struct pw_stream *stream = cast->stream;
uint8_t params_buffer[1024]; uint8_t params_buffer[2][1024];
struct spa_pod_builder b = struct spa_pod_dynamic_builder b[2];
SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer)); spa_pod_dynamic_builder_init(&b[0], params_buffer[0], sizeof(params_buffer[0]), 2048);
spa_pod_dynamic_builder_init(&b[1], params_buffer[1], sizeof(params_buffer[1]), 2048);
const struct spa_pod *params[2]; const struct spa_pod *params[2];
uint32_t n_params = build_formats(&b, cast, params); struct spa_pod_builder *builder[2] = {&b[0].b, &b[1].b};
uint32_t n_params = build_formats(builder, cast, params);
pw_stream_update_params(stream, params, n_params); pw_stream_update_params(stream, params, n_params);
spa_pod_dynamic_builder_clean(&b[0]);
spa_pod_dynamic_builder_clean(&b[1]);
} }
void xdpw_pwr_stream_create(struct xdpw_screencast_instance *cast) { void xdpw_pwr_stream_create(struct xdpw_screencast_instance *cast) {
@ -472,8 +492,10 @@ void xdpw_pwr_stream_create(struct xdpw_screencast_instance *cast) {
pw_loop_enter(state->pw_loop); pw_loop_enter(state->pw_loop);
uint8_t buffer[1024]; uint8_t buffer[2][1024];
struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer)); struct spa_pod_dynamic_builder b[2];
spa_pod_dynamic_builder_init(&b[0], buffer[0], sizeof(buffer[0]), 2048);
spa_pod_dynamic_builder_init(&b[1], buffer[1], sizeof(buffer[1]), 2048);
const struct spa_pod *params[2]; const struct spa_pod *params[2];
char name[] = "xdpw-stream-XXXXXX"; char name[] = "xdpw-stream-XXXXXX";
@ -489,7 +511,10 @@ void xdpw_pwr_stream_create(struct xdpw_screencast_instance *cast) {
} }
cast->pwr_stream_state = false; cast->pwr_stream_state = false;
uint32_t param_count = build_formats(&b, cast, params); struct spa_pod_builder *builder[2] = {&b[0].b, &b[1].b};
uint32_t param_count = build_formats(builder, cast, params);
spa_pod_dynamic_builder_clean(&b[0]);
spa_pod_dynamic_builder_clean(&b[1]);
pw_stream_add_listener(cast->stream, &cast->stream_listener, pw_stream_add_listener(cast->stream, &cast->stream_listener,
&pwr_stream_events, cast); &pwr_stream_events, cast);