RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 06:57:44 +00:00
Code Issues Activity Actions

LibVideo/VP9: Begin reference frame update process (8.10)

Browse source 
This was required for correctly parsing more than one frame's
height/width data properly. Additionally, start handling failure
a little more gracefully. Since we don't fully parse a tile before
starting to parse the next tile, we will now no longer make it past
the first tile mark, meaning we should not handle that scenario well.
This commit is contained in:
FalseHonesty 2021-06-26 19:58:08 -04:00 • committed by Andreas Kling
parent 514559f074
commit cf6b3d0ce9
6 changed files with 54 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

14
Userland/Libraries/LibVideo/VP9/Parser.cpp
View file

@ -6,6 +6,7 @@
#include "Parser.h"
#include "Decoder.h"
#include "Utilities.h"
namespace Video::VP9 {
@ -13,10 +14,6 @@ namespace Video::VP9 {
if (m_bit_stream->read_bit() != 0) \
return false
#define SAFE_CALL(call) \
if (!(call)) [[unlikely]] \
return false
Parser::Parser(Decoder& decoder)
: m_probability_tables(make<ProbabilityTables>())
, m_tree_parser(make<TreeParser>(*this))
@ -220,6 +217,7 @@ bool Parser::frame_size_with_refs()
for (auto frame_index : m_ref_frame_idx) {
found_ref = m_bit_stream->read_bit();
if (found_ref) {
dbgln("Reading size from ref frame {}", frame_index);
m_frame_width = m_ref_frame_width[frame_index];
m_frame_height = m_ref_frame_height[frame_index];
break;
@ -1203,10 +1201,10 @@ bool Parser::append_sub8x8_mvs(u8, u8)
void Parser::dump_info()
{
dbgln("Frame dimensions: {}x{}", m_frame_width, m_frame_height);
dbgln("Render dimensions: {}x{}", m_render_width, m_render_height);
dbgln("Bit depth: {}", m_bit_depth);
dbgln("Interpolation filter: {}", (u8)m_interpolation_filter);
outln("Frame dimensions: {}x{}", m_frame_width, m_frame_height);
outln("Render dimensions: {}x{}", m_render_width, m_render_height);
outln("Bit depth: {}", m_bit_depth);
outln("Interpolation filter: {}", (u8)m_interpolation_filter);
}
}