Hello Ilia, I was your last commit which fixing xvmc support for nv30 hw in mesa git tree. Maybe you can help me. I have graphics card nvidia geforce 6600 gt (nv43 chip) According to wiki page http://nouveau.freedesktop.org/wiki/FeatureMatrix/ xvmc support for nv43 is already done. When I start xvmcinfo it print:
$ ./xvmcinfo
Xv version 2.2
XvMC version 1.1
screen number 0
info for adaptor 0 [NV40 texture adapter]
number of XvMC surface types: 2
info about surface 0:
max_width=2048
max_height=2048
subpicture_max_width=2048
subpicture_max_height=2048
chroma_format:
XVMC_CHROMA_FORMAT_420
mc_type:
format : MPEG2
accelaration start from : IDCT
flags:
XVMC_BACKEND_SUBPICTURE XVMC_SUBPICTURE_INDEPENDENT_SCALING
info about surface 1:
max_width=2048
max_height=2048
subpicture_max_width=2048
subpicture_max_height=2048
chroma_format:
XVMC_CHROMA_FORMAT_422
mc_type:
format : MPEG2
accelaration start from : IDCT
flags:
XVMC_BACKEND_SUBPICTURE XVMC_SUBPICTURE_INDEPENDENT_SCALING
info for adaptor 1 [NV40 high quality adapter]
number of XvMC surface types: 0
info for adaptor 2 [NV Video Blitter]
number of XvMC surface types: 0
So some xvmc support is there (via nouveau xvmc library). But when I tried to
use mpeg2play_accel testing application (or mplayer) it crash. Here is gdb
backtrace from coredump file:
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x00007fca300cd345 in XvMCCreateContext (dpy=0xbefd00, port=63,
surface_type_id=842094169, width=720, height=480, flags=1, context=0x60dee0)
at context.c:248
#2 0x000000000040941f in init_display () at display.c:270
#3 0x0000000000402f0c in initdecoder () at mpeg2dec.c:211
#4 0x0000000000402b57 in main (argc=2, argv=0x7fff94c89f10) at mpeg2dec.c:121
(gdb) bt full
#0 0x0000000000000000 in ?? ()
No symbol table info available.
#1 0x00007fca300cd345 in XvMCCreateContext (dpy=0xbefd00, port=63,
surface_type_id=842094169, width=720, height=480, flags=1, context=0x60dee0)
at context.c:248
found_port = true
scrn = 0
chroma_format = 1
mc_type = 65538
surface_flags = 6
subpic_max_w = 2048
subpic_max_h = 2048
ret = 0
vscreen = 0xbf13f0
pipe = 0xc191e0
context_priv = 0xbfead0
csc = {{0, 0, 0, 0}, {-2.02570359e-26, 4.59163468e-41, 5.89217978e-39,
0}, {-2.02575536e-26, 4.59163468e-41, 8.44951942e-10, 4.5842078e-41}}
#2 0x000000000040941f in init_display () at display.c:270
surface_type_id = 842094169
result = 0
i = 4204800
color = 0
root = 652
#3 0x0000000000402f0c in initdecoder () at mpeg2dec.c:211
i = 640
blk_cnt_tab = {6, 8, 12}
#4 0x0000000000402b57 in main (argc=2, argv=0x7fff94c89f10) at mpeg2dec.c:121
first = 1
framenum = 0
runtime = 0
tstart = {tv_sec = 140735689563912, tv_usec = 4236512}
tstop = {tv_sec = 0, tv_usec = 4204800}
It looks like that in mesa code is calling pipe->create_video_decoder(...) but
create_video_decoder is NULL and then it crash.
(gdb) print *pipe
$1 = {screen = 0xbffa50, priv = 0xbf13f0, draw = 0x0, destroy = 0x7fca300d00a0
<nv30_context_destroy>, draw_vbo = 0x7fca300da250 <nv30_draw_vbo>,
render_condition = 0x7fca300dd760 <nv40_query_render_condition>,
create_query = 0x7fca300dd510 <nv30_query_create>,
destroy_query = 0x7fca300dd500 <nv30_query_destroy>, begin_query =
0x7fca300dd890 <nv30_query_begin>, end_query = 0x7fca300dd670
<nv30_query_end>,
get_query_result = 0x7fca300dd410 <nv30_query_result>, create_blend_state =
0x7fca300d47f0 <nv30_blend_state_create>,
bind_blend_state = 0x7fca300d3da0 <nv30_blend_state_bind>,
delete_blend_state = 0x7fca300d4160 <nv30_blend_state_delete>,
create_sampler_state = 0x7fca300d69f0 <nv30_sampler_state_create>,
bind_fragment_sampler_states = 0x7fca300d72a0
<nv30_fragtex_sampler_states_bind>,
bind_vertex_sampler_states = 0x7fca300d79a0
<nv40_verttex_sampler_states_bind>, bind_geometry_sampler_states = 0,
bind_compute_sampler_states = 0,
delete_sampler_state = 0x7fca300d69e0 <nv30_sampler_state_delete>,
create_rasterizer_state = 0x7fca300d44a0 <nv30_rasterizer_state_create>,
bind_rasterizer_state = 0x7fca300d3db0 <nv30_rasterizer_state_bind>,
delete_rasterizer_state = 0x7fca300d4150 <nv30_rasterizer_state_delete>,
create_depth_stencil_alpha_state = 0x7fca300d4170 <nv30_zsa_state_create>,
bind_depth_stencil_alpha_state = 0x7fca300d3dc0 <nv30_zsa_state_bind>,
delete_depth_stencil_alpha_state = 0x7fca300d4140 <nv30_zsa_state_delete>,
create_fs_state = 0x7fca300d7cb0 <nv30_fp_state_create>,
bind_fs_state = 0x7fca300d7c40 <nv30_fp_state_bind>, delete_fs_state =
0x7fca300d7c50 <nv30_fp_state_delete>,
create_vs_state = 0x7fca300d8240 <nv30_vp_state_create>, bind_vs_state =
0x7fca300d8230 <nv30_vp_state_bind>,
delete_vs_state = 0x7fca300d8360 <nv30_vp_state_delete>, create_gs_state =
0, bind_gs_state = 0, delete_gs_state = 0,
create_vertex_elements_state = 0x7fca300d9d90 <nv30_vertex_state_create>,
bind_vertex_elements_state = 0x7fca300d9d40 <nv30_vertex_state_bind>,
delete_vertex_elements_state = 0x7fca300d9d60 <nv30_vertex_state_delete>,
set_blend_color = 0x7fca300d3dd0 <nv30_set_blend_color>,
set_stencil_ref = 0x7fca300d3df0 <nv30_set_stencil_ref>, set_sample_mask =
0x7fca300d3e10 <nv30_set_sample_mask>,
set_clip_state = 0x7fca300d4080 <nv30_set_clip_state>, set_constant_buffer =
0x7fca300d4c30 <nv30_set_constant_buffer>,
set_framebuffer_state = 0x7fca300d3f50 <nv30_set_framebuffer_state>,
set_polygon_stipple = 0x7fca300d3e30 <nv30_set_polygon_stipple>,
set_scissor_states = 0x7fca300d3ef0 <nv30_set_scissor_states>,
set_viewport_states = 0x7fca300d3f10 <nv30_set_viewport_states>,
set_fragment_sampler_views = 0x7fca300d7330
<nv30_fragtex_set_sampler_views>,
set_vertex_sampler_views = 0x7fca300d7a30 <nv40_verttex_set_sampler_views>,
set_geometry_sampler_views = 0, set_compute_sampler_views = 0,
set_shader_resources = 0, set_vertex_buffers = 0x7fca300d4000
<nv30_set_vertex_buffers>, set_index_buffer = 0x7fca300d4dc0
<nv30_set_index_buffer>,
create_stream_output_target = 0, stream_output_target_destroy = 0,
set_stream_output_targets = 0,
resource_copy_region = 0x7fca300d2e30 <nv30_resource_copy_region>, blit =
0x7fca300d3370 <nv30_blit>, clear = 0x7fca300d8be0 <nv30_clear>,
clear_render_target = 0x7fca300d95c0 <nv30_clear_render_target>,
clear_depth_stencil = 0x7fca300d91b0 <nv30_clear_depth_stencil>,
flush = 0x7fca300d0130 <nv30_context_flush>, create_sampler_view =
0x7fca300d6ec0 <nv30_sampler_view_create>,
sampler_view_destroy = 0x7fca300d7220 <nv30_sampler_view_destroy>,
create_surface = 0x7fca300d3be0 <nv30_miptree_surface_new>,
surface_destroy = 0x7fca300d3d60 <nv30_miptree_surface_del>, transfer_map =
0x7fca30031040 <u_transfer_map_vtbl>,
transfer_flush_region = 0x7fca30031050 <u_transfer_flush_region_vtbl>,
transfer_unmap = 0x7fca30031060 <u_transfer_unmap_vtbl>,
transfer_inline_write = 0x7fca30031070 <u_transfer_inline_write_vtbl>,
texture_barrier = 0, create_video_decoder = 0, create_video_buffer = 0,
create_compute_state = 0, bind_compute_state = 0, delete_compute_state = 0,
set_compute_resources = 0, set_global_binding = 0, launch_grid = 0,
get_sample_position = 0}
Can you look at this xvmc problem? At least mesa should not crash if there is
problem or unsupported hardware.
If you need some more debug info (or full coredump file) I can send it.
--
Pali Rohár
pali.ro...@gmail.com
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